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Journal articles on the topic 'Geotechnické metody'

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Published: 28 June 2021
Last updated: 2 February 2022

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1

Zakaria, Zufialdi, and Luthfan Harisan Jihadi. "Peran Ilmu Dasar dalam Geoteknik untuk Menunjang Pembangunan Berkelanjutan yang Berwawasan Lingkungan." Bulletin of Scientific Contribution 14, no. 3 (January 26, 2017): 239. http://dx.doi.org/10.24198/bsc.vol14.yr2016.art10971.

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Geoteknik adalah salah satu dari cabang dari ilmu geologi yang erat hubungannya dengan pembangunan berkelanjutan yang berwawasan lingkungan. Kajian-kajian geoteknik memerlukan ilmu dasar seperti matematika, statistika, fisika, biologi, dan kimia. Beberapa kajian geoteknik berhubungan dengan pembangunan infrastruktur seperti jalan tol, jalan kereta api, jembatan, menara, pondasi gedung, desain lereng rekayasa, dan lain-lain. Makalah ini memperlihatkan beberapa penelitian geoteknik yang memanfaatkan ilmu dasar, yaitu desain lereng stabil, desain pondasi, hubungan antar variabel tanah, maupun perbaikan tanah. Penelitiannya a.l.: 1) Analisis kestabilan lereng, tujuan untuk mendapatkan lereng stabil, metode menggunakan model Starlet, hasil yang didapatkan adalah desain lereng stabil dan antisipasi keruntuhan lereng pada zona kerentanan gerakan tanah. 2) Analisis dayadukung tanah, tujuan untuk menentukan dayadukung yang aman bagi fondasi, metode yang digunakan adalah melalui cara Terzaghi, hasil yang didapatkan adalah nilai dayadukung tanah yang diijinkan untuk peletakan fondasi. 3) Soil improvement, tujuan untuk perkuatan fondasi, metode melalui pencampuran tanah dasar dengan kapur (CaO), hasil yang didapatkan adalah meningkatnya kekuatan dayadukung tanah pada tanah ekspansif. Kesimpulan dari semua penelitan geoteknik tersebut adalah kajian geoteknik tidak bisa lepas dari ilmu dasar matematika dan ilmu pengetahuan alam. Kata Kunci: geoteknik, pembangunan berkelanjutan, lereng stabil, dayadukung tanah, soil improvement Geotechnics is one of branches of geological science are closely related to environmentally sustainable development. Geotechnical studies require some basic sciences such as mathematics, statistics, physics, biology, and chemistry. Some geotechnical studies related to the development of infrastructure such as toll roads, railways, bridges, towers, building foundation, slope design engineering, and others. This paper shows some geotechnical studies that utilize basic sciences, namely: stable slope design, foundation design, the relationship between variables soil, and soil improvement. The study included: 1) Slope stability analysis, objective research is to get a stable slope, the method is using the Starlet model, the results obtained are stable slope design and anticipation of the slope landslide on vulnerability zone of mass movement, 2) Analysis of soil bearing capacity, in order to determine safety bearing capacity for the foundation, the method is using Terzaghi equtaion, the results obtained are allowable soil bearing capacity for safety foundation. 3) Soil improvement, the goal of strengthening the foundation, the basic method by mixing soil with lime (CaO), the results obtained are the increasing strength of the soil bearing capacity on expansive soil. The conclusion of all geotechnical research are geotechnical studies cannot be separated from the basic sciences of mathematics and natural science. Keywords: geotechnical, sustainable development, stable slope, soil bearing capacity, soil improvement
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2

S.Si, MT, Alam Tronics,, and Ivan Bahder, S.Si, MTA. "PENGGUNAAN APLIKASI GPR (GROUND PENETRATING RADAR) DENGAN METODE NON-DESTRUCTIVE UNTUK KOLEKTIFITAS DATA KUALITATIF PADA ANALISA SUBSURFACE TANAH EKSTRIM LUNAK." Prosiding Temu Profesi Tahunan PERHAPI 1, no. 1 (March 29, 2020): 167–80. http://dx.doi.org/10.36986/ptptp.v1i1.60.

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ABSTRAK Ground-Penetrating Radar (GPR) adalah metode Geofisika dengan menggunakan teknologi radar untuk identifikasi perlapisan batuan dan “subsurface” pada investigasi geoteknik. Metode ini termasuk metode “non-destructive” (tanpa melakukan perusakan pada original base) menggunakan gelombang elektromagnetik dengan panjang gelombang mikro (Frekuensi UHF/VHF) yaitu pada garis spektrum gelombang radio dan dapat mendeteksi signal reflektif dari struktur bawah tanah. Kedalaman kemampuan alat GPR untuk “sensing” (penetrasi pembacaan) pada struktur batuan/tanah dengan GPR mencapai ketebalan 50m. GPR bisa mendeteksi (sensing) perubahan arah perlapisan batuan dan memprediksi ketebalan tanah ekstrim lunak, sehingga dapat mengidentifikasi resiko dan menekan biaya penanganan (reduction impact cost) dari perilaku extreme base sebelum proses “dumping” di area berawa atau gambut. Penggunaan instrumen GPR juga dapat menunjang detail interpretasi pengeboran geologi PT. KPC. Metode ini digunakan sebagai metode alternatif jika metode pengeboran geologi terlalu berbahaya dilakukan karena lereng yang diinvestigasi berada pada kondisi kritis atau area rawa yang tidak bisa dilalui mobilisasi rig drilling. Geoteknik KPC telah melakukan investigasi geoteknik dengan alat GPR yang telah dikorelasikan dengan data CPT. Pada korelasi nilai konstanta dielektrik dengan nilai CPT, dengan rentang 56.09 sampai 61.08 memiliki nilai konus terkoreksi, qt dengan rentang 0.12 MPa sampai 0.21 MPa. Hasil akhirnya akan diperoleh persamaan empiris data GPR vs data CPT.Kata kunci: investigasi geoteknik, non-destructive, sensing, dan reduction impact cost ABSTRACT Ground-Penetrating Radar (GPR) is Geophysical Method by using Radar Technology to purpose identification rock bedding and subsurface on geotechnical investigation. This method is classified for non-destructive application (without doing damage the original base) and applied by Electromagnetic Wave with microwave bandwidth (Frequency UHF/VHF) in spectrographic transmitting-wave (radio wave) and also to detect reflective pulse from the ground. Performance modulation depth of the GPR for sensing (beam penetration) rock/soil is for 50m. The GPR can detect (sensing) changes in the direction of rock bedding and for predicting extremely soft soil thickness, so as to identify risks and reduce handling cost (reduction impact cost) from extreme base behavior before the dumping process in marshy or peat areas. The use of GPR instruments can also support detailed interpretation of geological drilling in PT. KPC.This method is used as an alternative method if the geological drilling method is too dangerous to act, because the slopes investigated are in critical condition or swampy areas that cannot be traversed by drilling rig mobilization. KPC geotechnics have conducted geotechnical investigations with GPR tools that have been correlated with data CPT. The result of the correlation of dielectric constant values with CPT values, with a range of 56.09 to 61.08 has a corrected cone value, qt with a range of 0.12 MPa to 0.21 MPa. The final result is empirical correlation between data GPR and data CPT.Keynote: geotechnical investigation, non-destructive, sensing, and reduction impact cost
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3

Wu, Jian Chuan, Xin Li Hu, Miao Jun Sun, and Shuai Hua. "Research Status and Prospect of Strain Monitoring Method of Geotechnical Engineering." Advanced Materials Research 594-597 (November 2012): 532–41. http://dx.doi.org/10.4028/www.scientific.net/amr.594-597.532.

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This paper summarizes the importance of strain monitoring, points the characteristics and the main difficulty in strain monitoring of geotechnical. From the current situation in Strain monitoring of geotechnical engineering, it analyzes and summarizes the principle and the practical application of the advantages and disadvantages of strain gauges, fiber Bragg grating and distributed optical fiber. Finally, it designs an overview of geotechnical engineering strain monitoring system, nine principles of strain monitoring system to be put forward, and the direction of geotechnical engineering is the development of strain monitoring system and application.
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4

Kieu, Chung Le Thuy, Ha Thi San Phan, and Son Minh Le. "A case study on optimizing the geotechnical site investigation using Kriging method." Science and Technology Development Journal 17, no. 3 (September 30, 2014): 54–61. http://dx.doi.org/10.32508/stdj.v17i3.1474.

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One of the major tasks in geotechnical investigation is the stratigraphy distribution and the physico-mechanical properties of strata encountered in the investigation area. In order to reduce the project risks associated with uncertainties in predicting the distribution of strata (in area and in depth), a geotechnical investigation plan is usually designed with as many as possible of the boreholes. And this, in turn, increases the investigation costs. On the contrary, the owner of the project is expected to gather as much information about the subsurface soils as possible at the lowest cost. To deal with this contradiction, geotechnical engineers not only mobilize their knowledge on the investigation area and their experiences in the field of geotechnical investigation but also should be supported by geostatistical tools, especially the interpolation method of Kriging. Based on the real data taken from a geotechnical investigation project in Saigon (Vietnam), this paper will introduce two geotechnical investigation plans: a) an actual investigation plan; b) an optimized investigation plan designed with the support of Kriging method. From these two plans, the ability of Kriging in optimization of geotechnical investigation will be evaluated.
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5

Zhang, Shu Jun, Zhi Jun Xu, Luo Zhong, and Zhao Ran Xiao. "A Modified Method to Fit Probability Distributions of Geotechnical Parameters Using Stochastic Weighted Entropy Principle." Applied Mechanics and Materials 580-583 (July 2014): 9–16. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.9.

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Due to various uncertainties, most of geotechnical parameters are small samples, which causes much trouble when the probability distribution of geotechnical parameter is fitted using traditional distributions. This paper uses stochastic weighted method to improve the small samples of Geotechnical parameters into big samples, thus solving the problems caused by the small samples. Meanwhile, the probability density function of geotechnical parameter is derived based on maximum entropy principle, the advantage of presented method is verified through Kolmogorov-Smirnov Test. Case study shows that the proposed method not only overcomes the dependence of conventional fitting methods on classical probability distributions, but also the fitting more close to the fact because the data come from the big sample improved by geotechnical parameters, which has important engineering significance.
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6

Heesen, E., and E. Kreuzer. "Discrete Element Method in der Geotechnik." PAMM 7, no. 1 (December 2007): 4010039–40. http://dx.doi.org/10.1002/pamm.200700890.

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7

IWATSUKI, Osamu, Masaaki TABATA, Ryuji KUBOTA, Masakazu FURUTANI, and Oshie TAZAWA. "Shallow Seismic Reflection Method for Geotechnical Surveys." Journal of the Japan Society of Engineering Geology 38, no. 6 (1998): 359–69. http://dx.doi.org/10.5110/jjseg.38.359.

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8

Li, Ruilin, Guoqing Zhou, Guozhou Chen, Matthew R. Hall, and Xiaodong Zhao. "Geotechnical magnetic–similitude–gravity model testing method." International Journal of Physical Modelling in Geotechnics 19, no. 4 (July 2019): 181–99. http://dx.doi.org/10.1680/jphmg.17.00014.

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9

Heibaum, Michael, and Markus Herten. "Geotechnical verifications using the finite-element method?" Bautechnik 86, S1 (August 2009): 7–15. http://dx.doi.org/10.1002/bate.200910037.

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10

Yang, Zhiyong, and Jianye Ching. "A novel simplified geotechnical reliability analysis method." Applied Mathematical Modelling 74 (October 2019): 337–49. http://dx.doi.org/10.1016/j.apm.2019.04.055.

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11

Benachenhou, Kamila Amel, Thierry Verdel, Mohammed Amine Allal, and Anis Lakermi. "Management of geotechnical risks of road projects using Mads-Mosar method." International Journal of Engineering & Technology 5, no. 2 (May 9, 2016): 38. http://dx.doi.org/10.14419/ijet.v5i2.5727.

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For the last few years, roads and motorways projects have been developing in Algeria, where the risk management remains timorous. Indeed, these projects exhibit many geotechnical disorders of natural or anthropic origin, which disturb their progress. Furthermore, the latent effects of these disorders can affect the life of the works as well as the safety and comfort of the users. Therefore, this paper addresses the use of the MADS-MOSAR method as a risk assessment method that can be used in the construction area to consider a wide range of risk sources including non-geotechnical ones. This method, which is widely used in industry, is tentatively used to identify the causes and consequences of undesired geotechnical events in the case of the main slip road “A” at the exchange of the RN02 road in Tlemcen, Algeria. The choice of this method implies first a system modelling approach and a functional analysis to inventory all possible sources of danger and all possible interactions and to perform a global risk assessment. At the end, we show the relevance of this method in the field of geotechnical risk management for road projects.
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12

Han, Zao, Bo Liang Wang, and Zhi Chao Zhang. "Modeling of Blast-Induced Craters by Multi-Material ALE Method." Applied Mechanics and Materials 368-370 (August 2013): 771–74. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.771.

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Multi-material ALE method combines the advantages of Lagrangian and Eulerian methods, avoids mesh distortion of the Lagrangian method, and eliminates moving boundary problems of the Euler method. A numerical simulation of blast-induced craters in geotechnical medium was performed within the frame of LS-DYNA by multi-material ALE method. The simulated crater which coincides with the empirical data from CONWEP was observed in post processing by the flow of material. This demonstrates that the multi-material ALE method is an effective way to simulate blast-induced craters in geotechnical medium.
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13

Xiong, Min, and Yu Huang. "Static and Dynamic Reliability Analysis of Laterally Loaded Pile Using Probability Density Function Method." Journal of Marine Science and Engineering 8, no. 12 (December 5, 2020): 994. http://dx.doi.org/10.3390/jmse8120994.

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Pile foundation is one of the common foundation forms in marine geotechnical engineering, especially in wind power engineering. Its operation safety is seriously affected by many uncertainties, such as the randomness of ground motion in intensity and frequency. The stochastic reliability analysis method can better characterize these uncertainties in the evaluation of the safety performance of pile foundation. The probability density functions (PDFs) of stochastic systems are important prerequisites for reliability analysis. However, for geotechnical problems, the coupling between parametric and excitation randomness and the nonlinear mechanical properties of rock and soil make it very difficult to obtain the associated PDFs. Instead, the probability density evolution method (PDEM) is introduced and is used to investigate the static and dynamic reliability of laterally loaded piles as an example of a geotechnical problem. Compared with Monte Carlo stochastic simulations, PDEM-based computing is shown to be highly efficient when applied to the seismic design of pile in geotechnical engineering, and its calculation efficiency is 20 times of the former for the seismic dynamic reliability of pile foundation. This study provides a new reference for the efficient design and safety evaluation of offshore pile foundation engineering based on static and dynamic reliability of multiple random factors.
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14

Shinokawa, T., and Y. Mitsui. "Application of boundary element method to geotechnical analysis." Computers & Structures 47, no. 2 (April 1993): 179–87. http://dx.doi.org/10.1016/0045-7949(93)90365-k.

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15

Qi, Xiao-Hui, and Hua-Xin Liu. "An improved global zonation method for geotechnical parameters." Engineering Geology 248 (January 2019): 185–96. http://dx.doi.org/10.1016/j.enggeo.2018.11.013.

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16

Zhou, Jinxuan. "Preprocessing method of microstructure image of geotechnical materials." Environmental Technology & Innovation 19 (August 2020): 100924. http://dx.doi.org/10.1016/j.eti.2020.100924.

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17

Ranjbaran, Abdolrasoul, Mohammad Ranjbaran, and Fatema Ranjbaran. "A Reliable Method of Analysis for Geotechnical Data." International Journal of Structural Glass and Advanced Materials Research 4, no. 1 (January 1, 2020): 276–93. http://dx.doi.org/10.3844/sgamrsp.2020.276.293.

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18

Sedláčková, Kateřina, and Lenka Ševelová. "Comparison of laser diffraction method and hydrometer method for soil particle size distribution analysis." Acta Horticulturae et Regiotecturae 24, no. 1 (May 1, 2021): 49–55. http://dx.doi.org/10.2478/ahr-2021-0023.

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Abstract The article aims to present a comparative study of two methods used to determine the particle size distribution of fine and medium coarse soils. These methods are used to determine the grain size distribution curve in practice; however, for different purposes. The classical sedimentation method, based on the Stoke’s sedimentation law (hydrometer, areometric, the Casagrande’s method), standardized for a geotechnical classification of soils was compared with the laser diffraction method on the Mastersizer 3,000 analyser used for soil science purposes. The first comparison on nine samples showed significant differences, especially for larger fractions above 0.01 mm. All measured values of falls from laser diffraction analysis (LDA) showed higher values of all analysed fractions. It was also interesting to follow the trend between the tests for the preparation of conversion factors. The analysis also outlined the direction for further comparison. For the geotechnical use of the LDA, it will be necessary to take into account the sample preparation and processing before analysis.
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19

Gatmiri, B., D. Amini-Baneh, O. Dorostkar, and M. R. Vakili. "Practical Recommendations of Spectral Response Analysis in Non-Curved Alluvial Valleys Using Hybrid FE/BE Method." Journal of Multiscale Modelling 05, no. 02 (June 2013): 1350006. http://dx.doi.org/10.1142/s1756973713500066.

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Most of researches consider seismic analysis using amplification of ground acceleration due to geotechnical effects. Many efforts also have been done to consider topographical effects in seismic analysis of alluvial valleys. Presented here is a new practical approach in spectral response of non-curved valleys which may be used as a simple method for considering topographical effects. A hybrid numerical approach which uses both FEM and BEM is conducted to study spectral acceleration increment due to geotechnical aspects in various topographical conditions. At first, spectral acceleration of non-curved valleys due to presence of sediments is investigated for various geometrical dimensions. The results show that the maximum value of normalized spectral acceleration response increases when the depth ratio of valleys increases. Practical criterion based on shape of configurations is presented to estimate normalized spectral acceleration. Finally geotechnical effects are quantified and a practical formulation is presented which cover all the conditions in non-curved valleys.
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20

Sasanian, Sina, Abbas Soroush, and Reza Jamshidi Chenari. "Slope reliability analysis using the geotechnical random field method." Proceedings of the Institution of Civil Engineers - Geotechnical Engineering 172, no. 6 (December 2019): 541–55. http://dx.doi.org/10.1680/jgeen.19.00016.

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21

Spross, Johan, and Fredrik Johansson. "When is the observational method in geotechnical engineering favourable?" Structural Safety 66 (May 2017): 17–26. http://dx.doi.org/10.1016/j.strusafe.2017.01.006.

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22

Yang, Dong Peng, Chong Wang, and Yin Zheng Tong. "The Application of Hydraulic Method to Geotechnical Compression Test." Applied Mechanics and Materials 405-408 (September 2013): 521–26. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.521.

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The geotechnical consolidation test is used to detect the soil deformation under all levels of vertical load. Consolidation parameters play a vital role in the basal design of the buildings. But the lever consolidometer covers too large area, and needs high labor intensity. The pressure consolidometer is not convenient to find leak, noisy, and is affected by the power supply. We developed the hydraulic consolidation system, which is aid to make consolidation tests of the soil samples. The hydraulic consolidation system is composed of the hydraulic pump used as a pressure source, the hydraulic piston cylinder used as the load transfer device, intelligent instrument and solenoid valve. Through the comparison of the test by three methods, it proved that the test results are identical. The coefficient of variation of the parameters is less than 0.1, while its efficiency is 31.33 times higher than the lever test, 6.86 times higher than the pressure method.
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23

Nan, Chen. "A Method for Testing Resilient Modulus of Geotechnical Material." IOP Conference Series: Materials Science and Engineering 631 (November 7, 2019): 022015. http://dx.doi.org/10.1088/1757-899x/631/2/022015.

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24

Bahri, Ayi Syaeful, Pegri Rohmat Aripin, Robi Alfaq Abdillah, and Dwiyanto Hadi P. "Geotechnical Identification Using Resistivity Method for Determining Grounding Locations." Jurnal Geosaintek 3, no. 2 (May 1, 2017): 103. http://dx.doi.org/10.12962/j25023659.v3i2.2965.

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25

Moritz, Bernd, and Wulf Schubert. "Application of the observational method in geotechnical safety management." Geomechanik und Tunnelbau 2, no. 3 (June 2009): 269–81. http://dx.doi.org/10.1002/geot.200900021.

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26

Wu, Jianqiu, and Yongchang Cai. "Independent cover meshless particle method for complex geotechnical engineering." Frontiers of Structural and Civil Engineering 12, no. 4 (August 12, 2017): 515–26. http://dx.doi.org/10.1007/s11709-017-0428-4.

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27

Zhang, J., H. Z. Chen, H. W. Huang, and Z. Luo. "Efficient response surface method for practical geotechnical reliability analysis." Computers and Geotechnics 69 (September 2015): 496–505. http://dx.doi.org/10.1016/j.compgeo.2015.06.010.

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28

Liu, Huan, Suozhong Chen, Liang He, Manqing Hou, and Junru Zhang. "Generalized triangular prism interpolation method for geotechnical parameter characterization." Bulletin of Engineering Geology and the Environment 79, no. 7 (March 24, 2020): 3417–35. http://dx.doi.org/10.1007/s10064-020-01772-4.

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29

Boulbibane, M., and A. R. S. Ponter. "Extension of the linear matching method to geotechnical problems." Computer Methods in Applied Mechanics and Engineering 194, no. 45-47 (November 2005): 4633–50. http://dx.doi.org/10.1016/j.cma.2004.11.009.

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30

Wang, Li, and Shi Mei Wang. "Stability Analysis of a Reinforced Soil Slope Based on the Strength Reduction Method." Applied Mechanics and Materials 204-208 (October 2012): 3031–34. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.3031.

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Apply large general-purpose finite element analysis software ABAQUS as a platform, The criterion of iteration non-convergence conventionally used for assessing the instability state of slopes,and an example is given to the following conclusions: The strength reduction method based on ABAQUS simulate anti-slide pile slope stability analysis that has a true reflection of the elastic-plastic deformation in geotechnical engineering,it can be widely used in elastic-plastic deformation problems in geotechnical engineering. The anti-slide pile can effectively improve the stability of slopes, setting up anti-slide pile egitimately in the soil plays an important role at the safety of slope stability.
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31

Hu, Jiang Chun, Hong Fang Wang, and Man Chao He. "Research Finite Element Method Mesh Generation Based on Material-Discontinuous-Nature." Advanced Materials Research 156-157 (October 2010): 74–78. http://dx.doi.org/10.4028/www.scientific.net/amr.156-157.74.

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It is a key step of finite element method analysis to generate engineering structure mesh. The continuous conceptual model of discontinuous substance is studied. How to select similar-continuous micro-particle size is researched. The continuous conceptual model of soil body and the continuous conceptual method of geotechnical engineering are approached based on the deep mixing pile composite foundation. The results show that finite element method mesh generation based on material-continuous-nature need to more consider, and the minimum of the element size is those of similar-continuous micro-particle and the maximum is limited by the scope of geotechnical engineering project. While the material continuous nature is considered, the continuum theory would be satisfied to simulate engineering structure with finite element method.
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32

Marčić, Danijela, Anita Cerić, and Meho Saša Kovačević. "SELECTION OF A FIELD TESTING METHOD FOR KARST ROCK MASS DEFORMABILITY BY MULTI CRITERIA DECISION ANALYSIS." Journal of Civil Engineering and Management 19, no. 2 (April 18, 2013): 196–205. http://dx.doi.org/10.3846/13923730.2012.743927.

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The rock mass deformation modulus is an essential parameter for any numerical analysis and prediction of deformation in geotechnical engineering. Experience acquired using a large number of geotechnical projects in Croatia and the world indicates a somewhat unreliable determination of rock mass deformability based on correlation of classification results. The method of field testing for deformability can provide a more reliable insight into rock mass behaviour under loading conditions. The paper presents the most frequently used methods for field testing rock deformability. The benefits and disadvantages are shown of each particular method used in determining criteria and forming a ranking list of test methods using the multi criteria decision analysis. This ranking list of terrain testing for the rock mass stiffness is acquired on the basis of set criteria, assumes guidelines for compiling an exploratory works plan necessary for designing complex geotechnical structures in karst. Appropriate analyses of the sensitivity to changes in the significance of particular criteria was carried out including its effect on selecting the field method for testing karst rock mass deformability.
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33

Li, Yong Bing, Shun Chuan Wu, and Bing Lei Li. "Function Method Based on Multi-Faceted Three-Dimensional Digital Model of the Slope and Applied Research." Applied Mechanics and Materials 174-177 (May 2012): 2079–84. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.2079.

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With the geographic information technology in a wide range of applications in geotechnical engineering, in geotechnical engineering, the computer visualization technology has also been rapid development. Accurate three-dimensional mathematical model can make exploration data more realistic. In this paper, the three-dimensional visualization technology of computer combined with mathematical elevation model (DEM), and using multi-faceted function interpolation method to establish the accurately and effectively three-dimensional digital model of the slope. The results show that, the use of multi-faceted function interpolation method can effectively solve the slope of three-dimensional digital modeling interpolation problem.
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34

Sołowski, W. T., and S. W. Sloan. "Evaluation of material point method for use in geotechnics." International Journal for Numerical and Analytical Methods in Geomechanics 39, no. 7 (November 8, 2014): 685–701. http://dx.doi.org/10.1002/nag.2321.

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35

Bitir, Andreea Cristina, Claudiu Constantin Popa, Vasile Muşat, and Nicolae Boţu. "Settlement Reduction of an Existing Road Earthworks Using Columns Obtained by Deep Soil Mixing Method." Advanced Engineering Forum 21 (March 2017): 358–65. http://dx.doi.org/10.4028/www.scientific.net/aef.21.358.

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Deep soil mixing methods have been applied at international level for over 40 years on numerous ground improvement projects aimed to enhance the geotechnical performances. The chemical reactions and physical processes which take place after mixing the natural soil with different stabilizing agents lead to an increase in bearing capacity of the ground foundation for new or existing buildings, settlement reduction and/or stability for road and railway embankments, stability and/or seepage control for deep excavations. This paper presents the geotechnical design of columns obtained by mixing the soil with cement slurry in order to stabilize the manifesting settlements of the earth works of an existing road. Considering the geotechnical conditions of the analyzed site as input data, in this paper various dimensions and geometric configuration of the columns are evaluated, with specific purpose to determine an optimal solution that meets the technical performances of the project. The analysis was performed by numerical modeling using the finite element software Plaxis 2D, aiming to evaluate the strain state of both the treated and untreated soil. Although the stabilised elements are usually installed prior to the construction of the road structure, this article highlights the effectiveness of their application even in cases where the road structure already exists.
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36

Bednarczyk, Zbigniew. "Nowoczesne metody monitoringu geotechnicznego w polskich odkrywkowych kopalniach węgla brunatnego." Przegląd Naukowy Inżynieria i Kształtowanie Środowiska 27, no. 2 (July 22, 2018): 152–66. http://dx.doi.org/10.22630/pniks.2018.27.2.15.

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The article presents research carried out within the framework of the European Union project Euracoal SLOPES. The project is conducted by the partners from six European countries and coordinated by the Geomechanics Center of Nottingham University. Geotechnical research performed in Poland, on the western slope of the Bełchatów Lignite Mine so-called Bełchatów Field included an advanced on-line system of inclinometer and piezometer monitoring of 100 m depth. It was supplemented by ground based laser scanning, LiDAR scanning with the usage of drone and laboratory tests. The results obtained were used for numerical modeling of the slope stability. This should allow for a better prediction of landslide risks and the testing of new research methods.
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Belokas, Georgios. "Probabilistic geotechnical engineering analysis based on first order reliability method." Frattura ed Integrità Strutturale 13, no. 50 (September 1, 2019): 354–69. http://dx.doi.org/10.3221/igf-esis.50.30.

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38

Nonoyama, Hideto, and Masaki Nakano. "New application of mesh-free particle method to geotechnical engineering." Japanese Geotechnical Society Special Publication 2, no. 27 (2016): 1008–11. http://dx.doi.org/10.3208/jgssp.jpn-125.

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39

You, ZhiJia, HouLi Fu, and Jian Shi. "Design-by-analogy: A characteristic tree method for geotechnical engineering." Automation in Construction 87 (March 2018): 13–21. http://dx.doi.org/10.1016/j.autcon.2017.12.008.

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Gong, Wenping, C. Hsein Juang, and James R. Martin. "Numerical integration method for computing reliability index of geotechnical system." Georisk: Assessment and Management of Risk for Engineered Systems and Geohazards 10, no. 2 (November 5, 2015): 109–20. http://dx.doi.org/10.1080/17499518.2015.1102292.

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41

Whiteley, R. J., W. H. Holmes, and R. D. Dowle. "A New Method of Downhole-Crosshole Seismics for Geotechnical Investigation." Exploration Geophysics 21, no. 1-2 (March 1990): 83–99. http://dx.doi.org/10.1071/eg990083.

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Liu, Fuming. "Stability Analysis of Geotechnical Slope Based on Strength Reduction Method." Geotechnical and Geological Engineering 38, no. 4 (March 13, 2020): 3653–65. http://dx.doi.org/10.1007/s10706-020-01243-3.

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Athapaththu, A. M. R. G., Takashi Tsuchida, and Seiji Kano. "A new geotechnical method for natural slope exploration and analysis." Natural Hazards 75, no. 2 (September 5, 2014): 1327–48. http://dx.doi.org/10.1007/s11069-014-1384-0.

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Islam, T., Z. Chik, M. M. Mustafa, and H. Sanusi. "Faster 2-D representation of geotechnical characteristics using MASW method." Environmental Earth Sciences 70, no. 1 (November 29, 2012): 329–35. http://dx.doi.org/10.1007/s12665-012-2130-0.

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Nazem, M., J. P. Carter, and D. W. Airey. "Arbitrary Lagrangian–Eulerian method for dynamic analysis of geotechnical problems." Computers and Geotechnics 36, no. 4 (May 2009): 549–57. http://dx.doi.org/10.1016/j.compgeo.2008.11.001.

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Wang, Bin, Philip J. Vardon, Michael A. Hicks, and Zhen Chen. "Development of an implicit material point method for geotechnical applications." Computers and Geotechnics 71 (January 2016): 159–67. http://dx.doi.org/10.1016/j.compgeo.2015.08.008.

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47

Siebrits, E., and S. L. Crouch. "Geotechnical applications of a two-dimensional elastodynamic displacement discontinuity method." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 30, no. 7 (December 1993): 1387–93. http://dx.doi.org/10.1016/0148-9062(93)90126-x.

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48

Yao, Wen Juan, Shang Ping Chen, and Sheng Qing Zhu. "Elasto-Plastic Analysis Method for Vertically Loaded Pile Considering Pile-Soil Slip." Applied Mechanics and Materials 105-107 (September 2011): 1567–71. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.1567.

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The calculation and analysis of single pile settlement was one of the important geotechnical engineering issues, and many geotechnical engineers and scholars investigated and formed a systematic analysis method. Among the existing methods of analysis methods, the elasticity theory method was relatively mature. However, the traditional elasticity theory method could not consider the slip properties between pile and soil, and did not match the actual working properties of pile foundation. In this paper, based on Mindlin's solution, the pile is assumed to be elastic and the relationship between shear stress and relative displacement at the pile-soil interface is assumed to follow hyperbolic function, then series equations were derived and solved by Finite Difference Method. Two cases were demonstrated and the computed results agreed very well with testing data. The advantage of the analysis method proposed was that the interaction of pile and pile, and pile and soil can be considered.
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Zhou, Zhen, Qing Li, Xiong Li, Ren Yuan Tong, and Ge Shi. "3D Measurement Method of Underground Displacement Based on Hall and MR Effect." Applied Mechanics and Materials 333-335 (July 2013): 3–13. http://dx.doi.org/10.4028/www.scientific.net/amm.333-335.3.

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When the cylindrical NdFeB magnet was magnetized along the axle wire, the magnetic field around the magnet was symmetric about the axle wire. The output voltage of Hall sensor was proportional to magnetic induction induced by itself. Around the magnet, the magnetic induction component along the axle wire could be measured by Hall sensor. The contour line and contour surface of magnetic induction could be plotted by MATLAB. A sensor array was composed of three Hall sensors in triangular distribution, and 3D Cartesian Coordinate System was established. 3D coordinate of magnet can be measured with this sensor array based on contour surface. Underground soil deformation will change the relative position of sensor array and magnet. The size of geotechnical displacement can be calculated after getting the new 3D coordinate of magnet. Along with dual-axis magnetic sensor based on MR effect, the orientation of geotechnical displacement can be measured, and so able to measure the underground displacement.
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Shan, Mei, Bin Yang, Ping Wu, and Si Hao Mo. "The Influence Factors Analysis on Heavy Cone Dynamic Penetration Test Method to Geotechnical Exploration in Gravel Soils." Advanced Materials Research 671-674 (March 2013): 315–22. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.315.

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The cone dynamic penetration test is a kind of test method, which has the features of simple device, easy operation, great adaptability, high efficiency and it also is a continuous in-situ test method. But in the common geotechnical exploration activities, we found that bearing capacity of foundation is always larger than the measured value, by analysis to the blow count of cone dynamic penetration in the standard table. This article set the gravel soil geotechnical exploration of Guangxi province’s city planning exhibition center of China as the example, to start with the theory of cone dynamic penetration, and analysis the reason why there are the abnormal value in the dynamic penetration, furthermore, provide the relative error correction models for it. Finally, establish the rational relationship between dynamic penetration results and foundation soil mechanical parameters.
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