Relevant bibliographies by topics / Surface slope

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Surface slope'

Author: Grafiati
Published: 19 October 2024
Last updated: 31 July 2025

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Journal articles on the topic "Surface slope"

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Shen, Y., R. Lindenbergh, B. Hofland, and R. Kramer. "CHANGE ANALYSIS OF LASER SCANS OF LABORATORY ROCK SLOPES SUBJECT TO WAVE ATTACK TESTING." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences IV-2/W4 (September 13, 2017): 139–47. http://dx.doi.org/10.5194/isprs-annals-iv-2-w4-139-2017.

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For better understanding how coastal structures with gentle slopes behave during high energy events, a wave attack experiment representing a storm of 3000 waves was performed in a flume facility. Two setups with different steepness of slope were compared under the same conditions. In order to quantify changes in the rock slopes after the wave attack, a terrestrial laser scanner was used to obtain 3D coordinates of the rock surface before and after each experiment. Next, through a series of processing steps, the point clouds were converted to a suitable 2D raster for change analysis. This allow
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Kwon, Young-Hoo, Lonn Hutcheson, Jeffrey B. Casebolt, Joong-Hyun Ryu, and Kunal Singhal. "The Effects of Railroad Ballast Surface and Slope on Rearfoot Motion in Walking." Journal of Applied Biomechanics 28, no. 4 (2012): 457–65. http://dx.doi.org/10.1123/jab.28.4.457.

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The purpose of this study was to investigate the effects of transversely sloped ballasted walking surface on gait and rearfoot motion (RFM) parameters. Motion analysis was performed with 20 healthy participants (15 male and 5 female) walking in six surface-slope conditions: two surfaces (solid and ballasted) by three slopes (0, 5, and 10 degrees). The gait parameters (walking velocity, step length, step rate, step width, stance time, and toe-out angle) showed significant surface effect (p= .004) and surface-slope interaction (p= .017). The RFM motion parameters (peak everted/inverted position,
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Zhu, Xiaoxiao, Sheng Nie, Cheng Wang, et al. "Estimating Terrain Slope from ICESat-2 Data in Forest Environments." Remote Sensing 12, no. 20 (2020): 3300. http://dx.doi.org/10.3390/rs12203300.

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The global digital elevation measurement (DEM) products such as SRTM DEM and GDEM have been widely used for terrain slope retrieval in forests. However, the slope estimation accuracy is generally limited due to the DEMs’ low vertical accuracy over complex forest environments. The Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) mission shows excellent potential for slope estimation because of the high elevation accuracy and unique design of beam pairs. This study aimed to explore the possibility of ICESat-2 data for terrain slope retrieval in the United States forests. First, raw ICESat-2
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Xie, Huan, Hong Tang, Wenjia Du, and Xiaohua Tong. "A Comparison of Surface Slopes Extracted from ICESat Waveform Data and High Resolution DEM." EPJ Web of Conferences 237 (2020): 01001. http://dx.doi.org/10.1051/epjconf/202023701001.

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Surface slope is an important topographic variable, accurate surface slope can support many research appliacations. Large footprint full waveform data has been used to estimate the surface slope and performes well. In this paper, surface slope within laser footprint is calculated using the Ice, Cloud, and land Elevation Satellite (ICESat) Geoscience Laser Altimeter System (GLAS) full waveform data and a high resolution Digital Elevation Model (REMA, the Reference Elevation Model of Antarctica). A comparison is done between two extracted surface slopes, the results show that the slopes extracte
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Tang, Hua, Zhenjun Wu, Ailan Che, Conghua Yuan, and Qin Deng. "Failure Mechanism of Rock Slopes under Different Seismic Excitation." Advances in Materials Science and Engineering 2021 (February 20, 2021): 1–16. http://dx.doi.org/10.1155/2021/8866119.

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In earthquake-prone areas, special attention should be paid to the study of the seismic stability of rock slope. Particularly, it becomes much more complicated for the rock slopes with weak structural surfaces. In this study, numerical simulation and the shaking table test are carried out to analyze the influence of seismic excitation and structural surface in different directions on dynamic response of rock slope. Huaping slope with bedding structural surfaces and Lijiang slope with discontinuous structural surfaces besides Jinsha River in Yunnan Province are taken as research objects. The re
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Tang, Xiao Song, Ying Ren Zheng, and Hui Ming Tang. "Numerical Analysis on the Evolutionary Features of Deformation and Failure Modes of Slope." Applied Mechanics and Materials 204-208 (October 2012): 144–54. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.144.

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The failure of slope is a gradual accumulation process. Under the effect of many interior and exterior factors, some parts in the slope reach yield with the increase of stress; sliding surface forms gradually till complete transfixion; with the plastic strain continuous increases, overall failure happens on the slope. Traditional analysis method cannot display the mechanic conditions and the whole process of deformation, transfixion of sliding surfaces and failure. Meanwhile, FEM strength reduction can quantitatively show the deformation features and the process of occurrence and development o
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Li, Xun, Yujing Jiang, and Satoshi Sugimoto. "Research on the Influence of Spatial Dimensions on the Stability of Large-Scale Slopes under Heavy Rainfall." GeoHazards 5, no. 3 (2024): 732–54. http://dx.doi.org/10.3390/geohazards5030037.

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In engineering practice, slope stability is commonly assessed using a two-dimensional (2D) analysis under the assumption of plane strain conditions. However, when dealing with the complex surface geometries of three-dimensional (3D) slopes, especially under short-term heavy rainfall conditions, relying solely on a 2D cross-sectional analysis may not always yield conservative results compared to 3D slope stability assessments. To investigate the applicability of using 2D cross-sections to represent 3D slopes, this study examines the influence of surface geometries on 3D slope stability. By vary
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Mohammad, Omar, and Aomed Tokmachy. "Changes in Discontinuities' Role During Failures with Different Slope Orientation: An Example from Chinarock Area, Koya City, Kurdistan Region, Northern Iraq." Iraqi Geological Journal 57, no. 2E (2024): 67–77. https://doi.org/10.46717/igj.57.2e.6ms-2024-11-15.

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Landslides are dangerous, especially in mountainous regions where road construction is prevalent. Identifying rock discontinuity’s role in failure mode provides a sound tool to create stable slopes. This study analyses discontinuities' role in slopes on the road that cuts the southwestern limb of the Khalikan anticline in the Chinarock area, Koya City, Kurdistan Region, Northern Iraq. Three slopes were chosen with different slope directions to illustrate the role of changing slope attitudes on discontinuities and potential failure modes. Data from previous works were consulted, and detailed fi
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Dixon, Philippe C., and David J. Pearsall. "Gait Dynamics on a Cross-Slope Walking Surface." Journal of Applied Biomechanics 26, no. 1 (2010): 17–25. http://dx.doi.org/10.1123/jab.26.1.17.

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The purpose of this study was to determine the effect of cross-slope on gait dynamics. Ten young adult males walked barefoot along an inclinable walkway. Ground reaction forces (GRFs), lower-limb joint kinematics, global pelvis orientation, functional leg-length, and joint reaction moments (JRMs) were measured. Statistical analyses revealed differences across limbs (up-slope [US] and down-slope [DS]) and inclinations (level; 0°; and cross-sloped, 6°). Adaptations included increases of nearly 300% in mediolateral GRFs (p< .001), functional shortening the US-limb and elongation of the DS-limb
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MIYAZAKI, KATURA. "KNOTS THAT HAVE MORE THAN TWO ACCIDENTAL SLOPES." Journal of Knot Theory and Its Ramifications 13, no. 06 (2004): 749–61. http://dx.doi.org/10.1142/s0218216504003445.

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An accidental surface in the exterior of a knot in the 3-sphere is a closed essential surface for which there is an annulus in the knot exterior X connecting a loop in the surface and a nontrivial loop in ∂X, the peripheral torus of the knot. The isotopy class of the loop in ∂X is called an accidental slope; each accidental surface has a unique accidental slope. It is known that accidental slopes are integral or 1/0, and there is a knot with two accidental slopes 0 and 1/0. We show that for any integer m≥0, there is a hyperbolic knot which has m+1 accidental surfaces with accidental slopes 0,1
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Dissertations / Theses on the topic "Surface slope"

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Dixon, Philippe. "Gait dynamics on a cross-slope walking surface." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112616.

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Though the biomechanics of level walking have been studied extensively, the adaptations required for cross-slope locomotion are still largely unknown despite being a common terrain characteristic. The goals of this thesis were to determine (1) ground reaction forces (GRF) and moments (GRM), (2) lower-limb kinematics, and (3) lower-limb joint reaction forces (JRF) and moments (JRM) during level and cross-slope walking. Statistical analyses were made across limbs (down-slope (DS) and up-slope (US)) and across slope condition (level (0°) and cross-slope (6°)) (2X2 ANOVA). Ten healthy male
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Kwok, Sabastein Yih Feng. "Stochastic analysis of coupled surface and subsurface flow model in steep slopes for slope stability analysis /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202003%20KWOK.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 201-205). Also available in electronic version. Access restricted to campus users.
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RIVA, ENEA. "Slope inequalities for fibred surfaces and fibreed threefolds." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/374266.

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Su una varieta algebrica fibrata si definesce un invariante relativo detto slope che ne specifica la natura. Per queste fibrazioni un ruolo importante è svolto del fibrato di Hodge e dagli invarianti geometrici delle fibre generiche. In particulare in questa tesi ci concentreremo su superfici e threefold fibrati su curve, dando un stima dal basso della slope che dipenda del rango unitario del fibrato di hodge e da: - indice di clifford cella curva generale, nel caso di superfici; -dal genere geometrico ($p_{g}$) della superficie generale nel caso di threefold. infine sfrutteremo i risultati ot
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Staples, James Mark. "Slope scale modeling of snow surface temperature in topographically complex terrain." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/staples/StaplesJ1208.pdf.

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In mountainous terrain, landscape can influences the thermal state of snow. Snow temperature and mass flux have been calculated using an energy balance model, Radtherm/RT, to account for the effects of topography and meteorological conditions. For a specific location, a terrain model is defined and contains a connected assemblage of elements or facets. Each element has a specified terrain type with assigned thermal properties. Meteorological data are applied, and a one dimensional energy balance is calculated for each element. This energy balance includes conduction, convection, radiation, and
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Tan, Ding. "Seismic slope safety : determination of critical slip surface using acceptability criteria." Thesis, Imperial College London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439439.

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TAKEDA, Yasuo, 泰雄 竹田, Jun KATAOKA, et al. "Slope failure in the rectilinear zone of hillsides." 名古屋大学農学部付属演習林, 1987. http://hdl.handle.net/2237/8663.

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Hardenberg, Bon J. van. "A laboratory study of slope flow induced by a surface salt flux." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26415.

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The salt expulsion caused by the freezing of seawater and the drainage of brine from the ice creates a convectively mixed layer, which extends to the bottom in shallow coastal regions. This buoyancy flux at the surface was simulated in laboratory experiments by percolating salt water through a porous membrane into a tank. Shadowgraph images show that a down-slope flow is induced when the bottom of the tank is set at an angle. Velocity maxima in the slope flow, measured from the movement of injected dye ranged from 0.09 to 0.66 cm/s. Fluid densities were determined using thermistors and small-
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Nearing, Mark A., Viktor O. Polyakov, Mary H. Nichols, et al. "Slope–velocity equilibrium and evolution of surface roughness on a stony hillslope." COPERNICUS GESELLSCHAFT MBH, 2017. http://hdl.handle.net/10150/624932.

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Slope–velocity equilibrium is hypothesized as a state that evolves naturally over time due to the interaction between overland flow and surface morphology, wherein steeper areas develop a relative increase in physical and hydraulic roughness such that flow velocity is a unique function of overland flow rate independent of slope gradient. This study tests this hypothesis under controlled conditions. Artificial rainfall was applied to 2 m by 6 m plots at 5, 12, and 20 % slope gradients. A series of simulations were made with two replications for each treatment with measurements of runoff rate, v
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Albataineh, Nermeen. "SLOPE STABILITY ANALYSIS USING 2D AND 3D METHODS." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1153719372.

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Cooperstein, Michael Stephen. "The effects of slope aspect on the formation of surface hoar and diurnally recrystalized near-surface faceted crystals." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/cooperstein/CoopersteinM0508.pdf.

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This research was conducted to determine if slope aspect played a role in the formation, size and shape of surface hoar and near-surface faceted crystals and on the meteorological variables that are known to result in the formation of these two weak layers. No studies have specifically studied the effects of slope aspect on the size and shape of these crystals nor the effects of slope aspect on the meteorological variables which are known to result in differences in temperature and vapor pressure gradients and ultimately result in the formation of two weak layers.
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Books on the topic "Surface slope"

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Tremont, John D. Surface-transportation networks of the Alaskan North Slope. U.S. Dept. of the Interior, Minerals Management Service, Alaska Outer Continental Shelf Region, 1987.

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Reimnitz, Erk. Are north slope surface alluvial fans pre-Holocene relicts? U.S. G.P.O., 1998.

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Zipper, C. E. A surface mining simulator for application in steep slope topography. s.n, 1985.

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V, Gardner James, and Geological Survey (U.S.), eds. Data on the geochemistry of surface sediments of the Ebro shelf and slope, northeastern Spain. Dept. of the Interior, U.S. Geological Survey, 1988.

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Ratkovic-Vujic, M. The importance of protection the open casts from underground and surface water concerning slope stability aspects. s.n, 1985.

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Geological Survey (U.S.), ed. Hydrogeochemical investigations of historic mining districts, central western slope of Colorado, including influence on surface-water quality. U.S. Dept. of the Interior, U.S. Geological Survey, 2002.

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Schiechtl, Hugo M. Ground bioengineering techniques for slope protection and erosion control. Edited by Stern R and Barker D. H. Blackwell Science, 1996.

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Cynthia, Rosenzweig, Rind David, and United States. National Aeronautics and Space Administration., eds. Global digital data sets of soil type, soil texture, surface slope, and other properties: Documentation of archived data tape. National Aeronautics and Space Administration, 1988.

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Baum, Rex L. Measurement of slope deformation using quadrilaterals: A description of a new method for measuring displacement at the boundaries of a landslide and strain and tilt at the surface of a landslide. Dept. of the Interior, 1988.

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Baum, Rex L. Measurement of slope deformation using quadrilaterals: A description of a new method for measuring displacement at the boundaries of a landslide and strain and tilt at the surface of a landslide. U.S. G.P.O., 1988.

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Book chapters on the topic "Surface slope"

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Ali Elbeblawi, Mostafa Mohamed, Hassan Ali Abdelhak Elsaghier, Mostafa Tantawy Mohamed Amin, and Wael Rashad Elrawy Abdellah. "Slope Stability." In Surface Mining Technology. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3568-7_3.

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Hu, Caifeng, Feng Xiong, and Xiangkai Zhang. "The Dynamic Response Characteristics of the Slopes with Different Slope Morphology Under the Seismic Wave Action." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5814-2_35.

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AbstractThe seismic landslides are common natural hazards in the mountainous areas, and they can cause a large number of casualties and property losses directly. The dynamic response characteristics of slope under the action of the seismic wave are the primary problem in evaluating the slope seismic stability. In this paper, the research is carried out on the effects of slope angle, morphology, and seismic wave frequency on the slope dynamic responses. Firstly, the slopes with different shapes (straight, concave, and convex slopes) are modeled. Secondly, the slope acceleration amplification fa
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Gerscovich, D., and H. Costa. "Drainage and Surface Protection." In Handbook of Slope Stabilisation. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-07680-4_8.

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Arbanas, Željko, Josip Peranić, Vedran Jagodnik, Martina Vivoda Prodan, and Nina Čeh. "Remedial Measures Impact on Slope Stability and Landslide Occurrence in Small-Scale Slope Physical Model in 1 g Conditions." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44296-4_9.

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AbstractPhysical modelling of landslides by analysing the behaviour of small-scale landslide models subjected to artificial rainfall can be divided into modelling under 1 g conditions and under increased acceleration (n times gravity) in a centrifuge. Physical modelling of landslide initiation began in 1970s in Japan on scaled natural slope models and after initial experiences with field and laboratory research, the small-scale landslide modelling has found a wide application around the world in different aspects of landslide investigations, analysing different types of landslides, different t
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Bromhead, Edward N. "Surface water in motion." In Reflections on Slope Stability Engineering. CRC Press, 2023. http://dx.doi.org/10.1201/9781003428169-7.

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Zapevalov, Alexander, Konstantin Pokazeev, and Tatiana Chaplina. "Statistical Distributions Sea Surface Slope." In Simulation of the Sea Surface for Remote Sensing. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58752-9_2.

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Torri, Dino. "Slope, Aspect and Surface Storage." In Soil Erosion, Conservation, and Rehabilitation. CRC Press, 2023. http://dx.doi.org/10.1201/9781003418177-5.

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Li, Xu, Weiqin Liu, Jinxi Qin, Xiuxing Zhao, and Jie Chen. "Study on Strain Characteristics of Long Longitudinal Slope Asphalt Pavement Surface." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4355-1_39.

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AbstractTo study the changes in shear and tensile strains of asphalt pavement under vehicle moving loads on long longitudinal slopes, a structural model of asphalt pavement was established using Abaqus finite element calculation software. A single factor analysis was conducted on different slopes, driving speeds, temperatures, and braking coefficients. The calculation results show that the maximum shear strain increases with the increase of road slope, temperature, and braking coefficient, but decreases with the increase of driving speed; The maximum tensile strain increases with the increase
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Huang, Hu. "The Mild-Slope Equations." In Dynamics of Surface Waves in Coastal Waters. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-88831-4_4.

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Nabeshima, Y., and S. Kigoshi. "Surface holding conditions of reinforced slope and slope stability." In New Horizons in Earth Reinforcement. CRC Press, 2023. http://dx.doi.org/10.1201/9781003416753-93.

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Conference papers on the topic "Surface slope"

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Sansal, Kaan, Volkan Kargin, and Ugur Zengin. "A Generic Ground Dynamics Model for Slope Landing Analysis." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11495.

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This paper demonstrates a new approach for modeling and simulating landing gear systems. A generic ground dynamics model is developed in MATLAB-Simulink® environment and it is integrated to a non-linear 6-DOF helicopter model. Non-linear helicopter model is constructed in an in-house comprehensive analysis code, TAI Indigenous Rotorcraft Simulation (TIRS). Other than simulating the helicopter motion after touchdown, this model is also applicable for trimming the helicopter on ground, which is useful for determining landing and take-off capabilities of a helicopter on either a flat or a sloped
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Abbas, Omran, Anas Chaaban, and Loïc Markley. "A Tunable Reflection Surface with Independently Variable Phase and Slope." In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). IEEE, 2024. http://dx.doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10686923.

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Johnson, Joel T., Robert J. Burkholder, Joseph Gedney, Jakov Toporkov, Jeffrey Ouellette, and Shanka Wijesundara. "Simulations of Ocean Surface Bistatic Doppler Spectra with the Small Slope Approximation." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10642415.

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Hassan, M. S. K., and V. H. Loo. "Effect of Slope Geometries on 3D Slope Stability under the Influence of Infiltration." In The HKIE Geotechnical Division 42nd Annual Seminar. AIJR Publisher, 2022. http://dx.doi.org/10.21467/proceedings.133.5.

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Rainfall-induced slope failure is the most common type of slope failure in Malaysia. Many studies have been carried out to assess the correlation of infiltration to 2D geometric features such as slope inclination. However, the relationship between infiltration and 3D slope geometric features has not yet been widely studied. The aim of this study is to assess the effect of varying slope geometries on slope stability with the influence of rainfall, and to compare the results of the 2D and 3D slope analysis. Seepage and slope stability analysis of homogenous slopes for normal, curved surface and
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Caber, Paul. "An Interferometric Profiler for Rough Surfaces." In Surface Roughness and Scattering. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/surs.1992.stub2.

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Conventional optical methods of surface profiling are limited in the range of surface heights that can be accurately measured due to phase ambiguity errors on steep local slopes. Instruments that have been developed thus far to avoid the problems with local slope typically suffer from poor measurement height resolution and slow measurement speeds. Contact profilometers such as stylus-based instruments suffer from slow measurement speeds, especially when two-dimensional scans of the surface are required. Stylus tips can also scratch delicate surfaces during the course of the measurement. A new
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Zhang, Jian. "Bonnet polishing high-slope aspheric surface." In 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), edited by Li Yang, Eric Ruch, and Shengyi Li. SPIE, 2012. http://dx.doi.org/10.1117/12.978165.

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Dainty, J. C. "Experimental Measurements of Enhanced Backscattering and Related Effects from Randomly Rough Surfaces." In Surface Roughness and Scattering. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/surs.1992.stua2.

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Light scattering from randomly rough surfaces of relatively low root-mean-square (rms) slope and long correlation length (&gt; λ) is well-understood, at least for moderate angles of incidence, in terms of physical optics (Kirchhoff) theory. However, until the past five years, there has been little experimental or theoretical work carried out on surfaces with a large rms slope for which multiple scattering occurs. One consequence of strong multiple scattering is the presence of an enhanced backscatter peak: this peak has a similar origin to that observed from strongly multiple scattering volume
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Zhang, Haijie, and Jianguo Zhao. "Vision Based Surface Slope Estimation for Unmanned Aerial Vehicle Perching." In ASME 2018 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dscc2018-9210.

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Unmanned aerial vehicles are applied to many different fields such as surveillance, search, and monitoring. However, a critical issue for unmanned aerial vehicles is that they suffer from short flight time. To address this, perching becomes a new necessary capability for unmanned aerial vehicles. However, before perching on the desired surface, usually the orientation of the UAV needs to be adjusted to make the perching mechanism to firmly attach to the surface. In this paper, a vision algorithm is introduced to estimate the surface slope of the perching object. Equipped with a distance sensor
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Zhou, Fang-Xiao. "A constant slope surface and its application." In 2022 3rd International Conference on Geology, Mapping and Remote Sensing (ICGMRS). IEEE, 2022. http://dx.doi.org/10.1109/icgmrs55602.2022.9849334.

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Kumler, James J., and J. Brian Caldwell. "Measuring surface slope error on precision aspheres." In Optical Engineering + Applications, edited by James H. Burge, Oliver W. Faehnle, and Ray Williamson. SPIE, 2007. http://dx.doi.org/10.1117/12.753832.

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Reports on the topic "Surface slope"

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Shaw, Peter R., and Deborah K. Smith. Multiscale, Multisensor Analysis of Surface Slope Distributions. Defense Technical Information Center, 1995. http://dx.doi.org/10.21236/ada310671.

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Ardalan, Hamed. Analysis of Landslides and Slopes Stabilized Using One Row of Piles. Deep Foundations Institute, 2013. http://dx.doi.org/10.37308/cpf-2012-land-1.

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The use of piles to stabilize active landslides or to prevent instability in currently stable slopes has become one of the most important innovative slope reinforcement techniques over the last few decades. Piles have been used successfully in many situations in order to stabilize slopes or to improve slope stability, and numerous methods have been developed for the analysis of piled slopes (Ito et al., 1981; Poulos, 1995; Chen and Poulos, 1997; Zeng and Liang, 2002; Won et al., 2005). The piles used in slope stabilization are usually subjected to lateral force through horizontal movements of
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3

Oliver, Amanda, Catherine Murphy, Edmund Howe, and John Vest. Comparing methods for estimating water surface elevation between gages in the Lower Mississippi River. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/46915.

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Predicting a water surface elevation (WSElev) at a particular location has a wide range of applications like determining if a levee will overtop or how much a dike notch will increase water flow into a secondary channel. Five existing methods for predicting the water’s surface, (1) daily slope, (2) average slope, (3) River Analysis System (RAS) 1D, (4) RAS 2D, and (5) Adaptive Hydraulics modeling system (AdH), were used to predict the Mississippi River’s daily water surface from 10 October 2014 to 31 May 2016 at Friar’s Point, Greenville, and Natchez gages. The error, calculated as the model-p
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4

Willingham, A. L., and T. M. Herriott. Photogrammetry-derived digital surface model and orthoimagery of Slope Mountain, North Slope, Alaska, June 2018. Alaska Division of Geological & Geophysical Surveys, 2020. http://dx.doi.org/10.14509/30419.

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Gavillot, Yann G. Landslide inventory and slope map of Deer Lodge County, southwest Montana. Montana Bureau of Mines and Geology, 2025. https://doi.org/10.59691/hzhd5965.

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The Landslide Inventory and Slope Map identifies landslides that demonstrate evidence of gravity-driven movement based on lidar data, geomorphic and topographic analyses, satellite imagery, field checks, and, when available, published geologic maps. Landslides are classified based on the relative recency of surface movement. The slope map provides a preliminary tool to identify areas that may be susceptible to failure. This map is designed for use as a general planning tool to identify areas potentially hazardous to future mass movements.
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Dinovitzer, Aaron. PR-214-154503-R01 Pipeline Strains Induced by Slope Movement. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011609.

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Pipeline integrity may be affected by the action of the external soil loads that can be generated by ground movements or slope failures and the structural integrity threat of these geotechnical failures is not well understood. The threat presented to a pipeline by a localized slope failure is not directly related to magnitude of the soil movement involved, but related to the stress and strains induced in the pipeline by the moving soil block. This project demonstrated and applied advanced pipe-soil interaction numerical modeling tools in the assessment of slope movements directed long the pipe
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Hanson, A. E. H., A. L. Bobst, G. Abdo, J. I. LaFave, and M. Sutherland. Managed Aquifer Recharge (MAR): An initial hydrogeologic screening for surface infiltration suitability in Montana. Montana Bureau of Mines and Geology, 2024. http://dx.doi.org/10.59691/sxsp1714.

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As an initial screening to identify areas in Montana that may be appropriate for the MAR surface infiltration method, a suitability analysis was conducted using a geographic information system (GIS) and multi-criteria decision analysis (MCDA). Four hydrogeologic criteria were chosen for the suitability analysis: geology/aquifer, depth to groundwater, soil permeability, and topographic slope. The final suitability map is provided as a plate and as an interactive WebApp that identifies locations that appear hydrogeologically suitable for MAR surface infiltration methods.
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Blundell, S. User guide : the DEM Breakline and Differencing Analysis Tool—gridded elevation model analysis with a convenient graphical user interface. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45040.

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Gridded elevation models of the earth’s surface derived from airborne lidar data or other sources can provide qualitative and quantitative information about the terrain and its surface features through analysis of the local spatial variation in elevation. The DEM Breakline and Differencing Analysis Tool was developed to extract and display micro-terrain features and vegetative cover based on the numerical modeling of elevation discontinuities or breaklines (breaks-in-slope), slope, terrain ruggedness, local surface optima, and the local elevation difference between first surface and bare earth
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Derby, Martin, and Mark Saunders. PR635-203904-R01 In-situ Instrumentation and Remote Sensing Methods for Slope Monitoring for Pipelines. Pipeline Research Council International, Inc. (PRCI), 2022. http://dx.doi.org/10.55274/r0012207.

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This research project will focus on a comparison of several in-situ methods and two remote sensing technologies, GBInSAR and InSAR. Geo-monuments and extensometers were used to measure the changes in surface movements (i.e., tension cracks) over time, and then compared to GBInSAR data for accuracy. This research project includes a comparison of spatial and in-situ monitoring systems that was performed on a steep slope with natural gas pipeline located in the Appalachian region of the United States. This report includes an integrated approach to characterize landside movement using the GBInSAR,
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Turner, Benjamin. Guidance for Factoring Deep Foundation Structural Resistance for Landslide Stabilization and Excavation Support. Deep Foundations Institute, 2023. http://dx.doi.org/10.37308/cpf-2017-land-1.

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Lateral support provided by deep foundations can be an effective means to stabilize existing and potential landslides, and deep foundations contribute to the stability of support-of-excavation systems. However, defining the structural resistance and implementing it in a slope stability analysis that satisfies LRFD requirements is a source of significant confusion and miscommunication among geotechnical and structural designers. This report explains the implications of applying (or not) structural resistance factors at various stages of the analysis. Furthermore, most commercial slope stability
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