Готові списки джерел за темами / Cement creep

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Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Cement creep"

1

Li, Yimin, Mulbah Yombah, Ahmed Abdulakeem Temitope, Xiaolong Zou, Fayong Yang, Wenbo Li, and Hongjun Jing. "Research on Creep Characteristics and Influencing Factors of Cement Asphalt Composite Binder." Mathematical Problems in Engineering 2020 (December 29, 2020): 1–13. http://dx.doi.org/10.1155/2020/6614920.

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Анотація:
Cement emulsified asphalt composite material (CA composite cement) has the excellent properties of cement and emulsified asphalt cement. As a composite cementing material, cement emulsified asphalt concrete can be one of the choices of road paving materials. However, under the effect of temperature and wheel load, the performance of it may get worse; especially, the creep behavior of CA composite cement has an important influence on the stability of pavement structure. This paper mainly focuses on the research on the creep and creep recovery performance of CA composite cement, determines the raw materials and proportions of CA composite cement, and formulates experimental research programs such as creep and creep recovery tests and stress scanning tests. The creep and creep recovery test research of CA composite cement was carried out, and the influence of creep and creep recovery characteristics, temperature, and A/C on the creep mechanical properties of CA composite cement was analyzed. The results show that the creep compliance of CA composite cement decreases with the increase of aging degree, the static mechanical properties tend to be elastic as a whole, and different factors such as temperature and A/C have different effects on the viscoelastic-plastic mechanical properties of the material.
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2

Nesvetaev, G. V., I. V. Korchagin, and Y. Y. Lopatina. "On Effect of Superplasticizers and Mineral Additives on Creep Factor of Hardened Cement Paste and Concrete." Solid State Phenomena 265 (September 2017): 109–13. http://dx.doi.org/10.4028/www.scientific.net/ssp.265.109.

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The relationship between the creep factor of concrete and hardened cement paste and the E-modulus of aggregate and evaluation of the effects of some modifiers on the creep factor of the hardened cement paste was determined. The influence of the SP on the creep factor of hardened cement paste is ambiguous: SP may increase, decrease, or not change the creep factor. The possible deviation of creep factor of hardened cement paste with the SP in certain cases can be up to 4 times. The average statistical increase in the creep factor of hardened cement paste may be 7 to 35%. The creep factor of regular concrete is equal 0.43 - 0.9 value of the creep factor of hardened cement paste. Superplasticizers may increase the creep of concrete up to 30% and in some cases - up to 3 times. Silica fume, metakaolin, white ash, including when used with the superplasticizers, may reduce the creep of concrete from 15 to 50%. An equation was suggested to calculate the E-modulus of concrete with the volume of hardened cement paste of 0.27 - 0.35 as a function of E-modulus of hardened cement paste and E-modulus of the aggregates.
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3

Padevět, Pavel, and Petr Bittnar. "Creep of Cement Pastes with Content of Fly Ash one Year Old." Applied Mechanics and Materials 732 (February 2015): 385–88. http://dx.doi.org/10.4028/www.scientific.net/amm.732.385.

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The paper discusses the creep cement pastes with addition of fly ash. The evolution of the creep was observed in age of one year, for length one month. The size of the creep is influenced by the amount the creep physically bound water. The material properties depend on the ratio of components from which the cement paste is composed. The paper presents the results of creep measurement for the ratio of cement and fly ash 70:30, 60:40 and 50:50. The basic creep and creep of the saturated cement paste were calculated from measurements.
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4

Padevět, Pavel, and Petr Bittnar. "Creep of the Four Month Old Cement Paste with Content of Fly Ash." Applied Mechanics and Materials 827 (February 2016): 251–54. http://dx.doi.org/10.4028/www.scientific.net/amm.827.251.

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The paper presents research in area of the measurement of cement paste creep. The propertiesof four month cement paste mixed with fly ash are presented. The creep and shrinkage are measuredinto the lever mechanism. The basic creep and creep of the saturated cement paste are calculatedfrom data of measurement. Finally, creep of four months old specimens is discussed.
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5

Norman, T. L., V. C. Saligrama, K. T. Hustosky, T. A. Gruen, and J. D. Blaha. "Axisymmetric Finite Element Analysis of a Debonded Total Hip Stem With an Unsupported Distal Tip." Journal of Biomechanical Engineering 118, no. 3 (August 1, 1996): 399–404. http://dx.doi.org/10.1115/1.2796023.

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A tapered femoral total hip stem with a debonded stem-cement interface and an unsupported distal tip subjected to constant axial load was evaluated using two-dimensional (2D) axisymmetric finite element analysis. The analysis was performed to test if the mechanical condition suggest that a “taper-lock” with a debonded viscoelastic bone cement might be an alternative approach to cement fixation of stem type cemented hip prosthesis. Effect of stem-cement interface conditions (bonded, debonded with and without friction) and viscoelastic response (creep and relaxation) of acrylic bone cement on cement mantle stresses and axial displacement of the stem was also investigated. Stem debonding with friction increased maximum cement von Mises stress by approximately 50 percent when compared to the bonded stem. Of the stress components in the cement mantle, radial stresses were compressive and hoop stresses were tensile and were indicative of mechanical taper-lock. Cement mantle stress, creep and stress relaxation and stem displacement increased with increasing load level and with decreasing stem-cement interface friction. Stress relaxation occur predominately in tensile hoop stress and decreased from 1 to 46 percent over the conditions considered. Stem displacement due to cement mantle creep ranged from 614 μm to 1.3 μm in 24 hours depending upon interface conditions and load level.
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6

Padevět, Pavel, and Petr Bittnar. "The Cement Paste Creep with Addition of Fly Ash in Time and Ratio of Parts 60/40." Applied Mechanics and Materials 486 (December 2013): 341–46. http://dx.doi.org/10.4028/www.scientific.net/amm.486.341.

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Анотація:
The article solves the comparing of the resize of cement paste creep with addition of fly ash in time. Creep was observed in the one monthly measurement for 4 and 10 months. The cement paste was prepared with fly ash in the ratio of the components 60/40 in favor of the cement components. Development of basic creep and creep was observed in water-saturated material. The measurement results are used as input data for the simulation of creep by the mathematical model and determine the values of the creep coefficient of cement paste. Results and comparison of q coefficients are presented.
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7

Wang, Xin Jie, and Ping Hua Zhu. "Effcets of Water-Cement Ratio on Tensile Basic Creep of Early-Aged Concrete." Advanced Materials Research 243-249 (May 2011): 5756–59. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.5756.

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Анотація:
The effects of water-cement ratio on the tensile creep of early-age concrete under constant load were investigated. Creep and shrinkage of concrete under sealed curing condition was researched to determine the tensile basic creep of concrete. The results indicate that, as in compression, creep of concrete in tensile is very sensitive to water to cement ratio. The results also indicate that the tensile creep increases with the water to cement ratio. And that the tensile creep develops rapidly within the first day after loading.
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8

Qin, Xiantao, Siyue Zhu, and Rong Luo. "Effect of Fiber Reinforcement on Creep and Recovery Behavior of Cement–Emulsified Asphalt Binder." Materials 15, no. 21 (October 24, 2022): 7451. http://dx.doi.org/10.3390/ma15217451.

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In order to evaluate and improve the deformation behavior of cement–emulsified asphalt binder (CA) in cement–emulsified asphalt mixture, this study investigated the reinforcement of small additions of fibers (2%, 4%, and 6% addition by mass of cement) on the deformation resistance of CA. A repeated creep recovery test was implemented that measures the recovery rate of creep deformation and accumulated strain. Further, an improved piecewise curve-fitting method was used to determine the parameters of Burgers model, then the creep compliances were fitted and calculated. The results show the repeated creep recovery test to be a suitable method for obtaining useful information about creep and recovery deformation of fiber-reinforced CA. The influence of fiber types and dosages on the deformation recovery ability is determined based on the creep recovery ratio and accumulated strain. The improved piecewise curve-fitting method has high accuracy. Thereafter, the reinforcement effect was analyzed through the evolution of creep compliance under loading. Therefore, this paper can provide a reference for enhancing the properties of cement–emulsified asphalt mixture by maximizing the fiber reinforcement.
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9

Tempest, Brett, Janos Gergely, and David C. Weggel. "ENGINEERING CHARACTERIZATION OF STRENGTH AND ELASTIC PROPERTIES OF GEOPOLYMER CEMENT CONCRETE MATERIALS." Journal of Green Building 10, no. 4 (November 2015): 87–106. http://dx.doi.org/10.3992/jgb.10.4.87.

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Анотація:
Geopolymer cements provide an alternative to the Portland cement used to produce structural concrete. In this study, geopolymer cements were used to create concrete having compressive strength in the range of 34 to 83 MPa (5,000–12,000 psi). The mechanical properties of these concrete materials were evaluated to determine the compressive and tensile strengths and immediate and long term elastic behaviors. The geopolymer cement concrete (GCC) was found to perform in a similar manner to Portland cement concrete (PCC). Long term shrinkage and creep properties of GCC materials were found to be lower than the values typical for PCC.
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Loamrat, Kraisit, Manote Sappakittipakorn, and Piti Sukontasukkul. "Electrical Resistivity of Cement-Based Sensors under a Sustained Load." Advanced Materials Research 931-932 (May 2014): 436–40. http://dx.doi.org/10.4028/www.scientific.net/amr.931-932.436.

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Анотація:
This research was to study the influence of a sustained load on the electrical resistivity of a cement-based sensor. The cement-based sensor in this study was made of cement paste having water to cement ratio of 0.4 with the addition of graphite powder at 2% and 4% by weight of cement and carbon fibers at 2% and 4% by volume. The sustained load was applied on the cement-based-sensor using a sustain machine to control a compressive force continually at 30% of its ultimate compressive strength for a period of 30 days. The test results showed that the sustained load induced a creep strain on the cement-based-sensor. The graphite incorporated cement-based sensor showed higher creep strain than the plain cement-based sensor while the carbon fiber cement-based sensor showed lesser. In addition, it was shown that the creep strains affect the electrical resistivity of the cement-based sensors.
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Дисертації з теми "Cement creep"

1

Al-Kaisi, Ali Farhan. "Early age strength and creep of slag cement concretes." Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329041.

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Boukendakdji, Mustapha. "Mechanical properties and long-term deformation of slag cement concrete." Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236998.

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3

Nguyen, Dan-Tam. "Microindentation Creep of Calcium-Silicate-Hydrate and Secondary Hydrated Cement Systems." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31519.

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The nanostructure, physical properties and mechanical performance of C-S-H, 1.4 nm tobermorite, jennite, and ettringite were studied. C-S-H of variable stoichiometries was examined as a model system in comparison with that produced in the hydration of Portland cement. The current Master’s thesis is comprised of four research papers designed to improve the current understanding of the nanostructure and engineering properties of C-S-H systems and modified C-S-H systems. Many of the controversial issues in cement science were identified and were addressed in a comprehensive research study, which examined the key features of the C-S-H systems at the nano-structure level. In Chapter 4, each paper presented new evidence for a number of mechanical aspects of C-S-H materials. Numerous advanced analytical tools were used in order to verify the observations made in each section. The major achievements of the current work are mentioned briefly as follows: 1. It was determined that microindentation is a useful method for determining the creep behavior of C-S-H of various stoichiometries, 1.4 tobermorite, jennite, and ettringite. 2. Microindentation parameters i.e. creep modulus, indentation modulus and indentation hardness are porosity dependent. 3. Microindentation creep measurements on C-S-H (C/S = 0.80 and 1.20) demonstrated that creep modulus, indentation modulus, and indentation hardness are all dependent on mass-loss from the 11%RH condition. 4. Evidence was presented that the nanostructural role of interlayer water in C-S-H has a significant influence on the creep process.
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Dias, Wiranjith Priyan Solomon. "Time dependent deformations of hardened cement paste from 20°C to 725°C." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/37992.

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5

Barker, D. S. "A numerical analysis of the effect of surface finish and cement creep in cemented total hip replacement /." Title page, abstract and contents only, 1996. http://web4.library.adelaide.edu.au/theses/09ENS/09ensb255.pdf.

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6

Aili, Abudushalamu. "Shrinkage and creep of cement-based materials under multiaxial load : poromechanical modeling for application in nuclear industry." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1014/document.

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L’intérêt principal de la thèse est le comportement mécanique à long terme des enceintes de confinement des centrales nucléaires françaises. Les enceintes de confinements des centrales sont des structures en béton précontrainte biaxiale. Nous résumons donc le problème que nous nous adressons en deux points clés : la biaxialité du chargement et les déformations différées à long terme.Afin de caractériser les déformations différées sous chargement biaxial, nous nous concentrons dans un premier temps au coefficient du Poisson viscoélastique du béton. Dans ce but, nous commençons par examiner minutieusement la définition du coefficient de Poisson dans le cadre de la viscoélasticité linéaire isotrope non-vieillissente. Puis, en analysant les résultats expérimentaux de la littérature, nous obtenons le coefficient de Poisson viscoélastique du béton. Comme extension, nous amenons une analyse micromécanique et essayons d’éclaircir le mécanisme du fluage à long terme du gel de C-S-H.Dans un deuxième temps, nous visons à proposer un modèle poroviscoélastique sans supposer préalablement la décomposition classique des déformations différées. Nous commençons par identifier les tendances expérimentales majeures et phénomènes physiques que nous voulons capturer par le modèle. À partir des résultats expérimentaux du retrait endogène et du fluage propre de la littérature, nous analysons l’origine physique possible du retrait endogène à long terme. À la fin, dérivé de la théorie de la poromécanique, un modèle poroviscoélastique basé sur la physique est proposé. La prédiction du modèle est comparée avec les résultats expérimentaux de la littérature
The main interest of the thesis is the long-term mechanical behavior of the containment building of french nuclear power plants. The containment buildings of the power plants are biaxially prestressed concrete structures. Therefore, we summarize the problem of interest into two following key points: biaxiality of load and long-term delayed strain.In order to characterize the delayed strain under biaxial load, our study first concentrates on the viscoelastic Poisson's ratio of concrete. In this purpose, we start by scrutinizing the definition of Poisson's ratio in non-aging linear isotropic viscoelasticity. Then, from the analysis of experimental results from the literature, we can obtain the viscoelastic Poisson's ratio of concrete. As an extension, we use micromechanics to shed some light on the long-term creep mechanism of the C-S-H gel.In a second step, we aim at proposing a poroviscoelastic model without postulating a priori the classical decomposition of delayed strains. We start by identifying the major experimental tendencies and physical phenomena that we aim at capturing with the model. From experimental data of autogenous shrinkage and basic creep from the literature, we analyze the possible physical origin of long-term autogenous shrinkage. In the end, a physics-based poroviscoelastic model is proposed, derived from the poromechanics theory. The prediction of the model is compared with experimental results from literature
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Gul, Waqar Ahmed Waqar. "Effect Of Recycled Cement Concrete Content On Rutting Behavior Of Asphalt Concrete." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609765/index.pdf.

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Disposed waste materials remained from demolished buildings have been an environmental problem especially for developing countries. Recycled Cement Concrete (RCC) is one of the abundant components of waste materials that include quality aggregates. Use of RCC in asphalt concrete pavements is economically a feasible option as it not only helps in recycling waste materials but also preserves natural resources by fulfilling the demand for quality aggregate in pavement constructions. However, due to variability in RCC characteristics, a detailed evaluation of its effect on asphalt concrete performance is required. In this study, effect of RCC content on rutting potential of asphalt concrete is investigated using laboratory prepared specimens. Rutting susceptibility of the specimens is determined using repeated creep tests performed in the uniaxial stress mode. Because of the aspect ratio requirements for the repeated creep test, the standard Marshall mix design procedures were modified based on the energy concept by changing the compactor device and the applied design number of blows. The modified specimens were tested to determine a number of parameters that can describe the rutting behavior of the tested mixes. The findings indicate that slope constant and flow number give relatively stronger relationships with rutting behavior as compared to the other rutting parameters. While increasing the RCC content yields improved rutting performance for coarse graded specimens, it dramatically reduces the performance for fine graded specimens.
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8

Lopez, Mauricio. "Creep and Shrinkage of High Performance Lightweight Concrete: A Multi-Scale Investigation." Diss., Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-11222005-122831/.

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Thesis (Ph. D.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2006.
Kurtis, Kimberly E., Committee Co-Chair ; Kahn, Lawrence F., Committee Co-Chair ; Lai, James S., Committee Member ; Gokhale, Arun M., Committee Member ; Castrodale, Reid W., Committee Member. Vita.
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9

Tamtsia, Tamboue Basile-Honore. "The role of C-S-H microstructure and calcium hydroxide on creep and shrinkage of hardened portland cement paste." Thesis, University of Ottawa (Canada), 2001. http://hdl.handle.net/10393/6087.

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The thesis provides new research related to the mechanisms of creep and shrinkage of hardened Portland cement paste. The emphasis is put on the role of calcium silicate hydrate (C-S-H) microstructure and calcium hydroxide the most important phases in hydrated Portland cement paste. Specially designed specimens were used for creep and shrinkage measurements. These were well hydrated and very thin in order to avoid the occurrence of moisture gradients during the drying process. Length change of specimens following organic solvent exchange was used as a microstructural probe. Length change data of compacted CH powder, pre-conditioned from 11% to 85% relative humidity, are presented in order to support inferences on the role of CH in cement paste. Similar measurements were conducted on Portland cement and tri-calcium silicate pastes. It is suggested that the length change on removal of water may be related to surface energy changes not always specific to the C-S-H phase alone. Mass change measurements versus time during exchange were carried out to support the interpretation of the length change behavior. The re-saturation of Portland cement paste systems with synthetic pore solution after several drying pre-treatments was adopted to facilitate electrical measurements in order to investigate the shrinkage, creep, and creep recovery behavior. The state of the water in each pre-treated specimen was characterized using the DTGA methods. The coupling of a.c. impedance spectroscopy (ACIS) and creep and shrinkage measurements established ACIS as an effective method for evaluating pore structure modification as well as the nature of changes to the pore network of cement paste during creep and shrinkage experiments. Cement paste specimens from which all evaporable water was completely removed were found to creep a significant amount contrary to the hypothesis that they should not creep at all. The compacted calcium hydroxide specimens were found to creep with a creep coefficient less than one. This suggested that calcium hydroxide makes a contribution to the overall deformation of cement paste systems.
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10

Delsaute, Brice. "New approach for Monitoring and Modelling of the Creep and Shrinkage behaviour of Cement Pastes, Mortars and Concretes since Setting Time." Doctoral thesis, Universite Libre de Bruxelles, 2016. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/241829.

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For usual concrete structure built in several phases, concrete deformations are restrained during the hardening process. When shrinkage is restrained, tensile stresses are induced and a cracking risk occurs. Modelling the evolution of an early age set of parameters on concrete is necessary to predict the early age behaviour of concrete structures. The difficulty lies in the fact that the modelling of concrete properties must be based on experimental data at early age and this data must be obtained automatically because the hardening process of the concrete takes place rapidly during the first hours and also the first days. The thesis deals with experimental and numerical study of the early age properties of cement based materials and more specifically the development of the autogenous deformation, the coefficient of thermal expansion, the E-modulus and the basic creep in compression and tension. For this purpose, a comprehensive work was carried out at ULB and Ifsttar involving the development of a new approach with new test procedures and the design of new testing devices to generate experimental data since the setting of the material. The methodology is based on two repeated testing methods. For the characterization of the viscoelastic behaviour of a concrete since setting, a permanent loading coupled to a test with repeated minute-long loadings is needed. Whereas, the autogenous strain, the coefficient of thermal expansion and the setting are characterized with repeated thermal variations on a concrete sample. The new approach was defined on an ordinary concrete and then extended to the study of the following parameters: the water-cement ratio, the restrained effect of aggregate on the cement paste in the development of concrete properties at early age, the substitution of cement by mineral addition and the difference of behaviour in tension and in compression. Based on these experimental results, new models were developed for the characterization of the early age properties of cement based materials since setting time. An adapted version of the Model Code 2010 for modelling of basic creep is also proposed.
Doctorat en Sciences de l'ingénieur et technologie
info:eu-repo/semantics/nonPublished
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Книги з теми "Cement creep"

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Nolan, K. Michael. Effects of limestone quarrying and cement-plant operations on runoff and sediment yields in the upper Permanente Creek Basin, Santa Clara County, California. Sacramento, Calif: Dept. of the Interior, U.S. Geological Survey, 1989.

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Частини книг з теми "Cement creep"

1

Marangon, E., R. D. Toledo Filho, and E. M. R. Fairbairn. "Basic Creep under Compression and Direct Tension Loads of Self-compacting-steel Fibers Reinforced Concrete." In High Performance Fiber Reinforced Cement Composites 6, 171–78. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2436-5_21.

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2

Casagrande, Lorenzo, Laura Esposito, Costantino Menna, Domenico Asprone, and Ferdinando Auricchio. "Mechanical Characterization of Cement-Based Mortar Used in 3DCP Including Early-Age Creep Effects." In RILEM Bookseries, 407–16. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49916-7_42.

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3

Liu, Cheng-Hwa, Jose Luis Mendoza, and Robert E. Moore. "Effect of Dopants on the Creep Behavior of Low and Ultra-Low Cement Refractory Concretes." In Application of Refractories: Ceramic Engineering and Science Proceedings, Volume 8, Issue 1/2, 1–8. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470320372.ch1.

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4

Pichler, Christian, and Roman Lackner. "Autogenous Shrinkage and Creep of Early-Age Cement-Based Materials: Multiscale Modeling With Experimental Identification and Verification." In Experimental Analysis of Nano and Engineering Materials and Structures, 501–2. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6239-1_248.

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5

Norman, Timothy L. "Effect of PMMA Creep and Prosthesis Surface Finish on the Behavior of a Tapered Cemented Total Hip Stem." In Bone Cements and Cementing Technique, 183–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59478-6_16.

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6

"Creep predictions for fiber reinforced composites by theoretical methods." In Fibre Reinforced Cement and Concrete, 188–99. CRC Press, 1992. http://dx.doi.org/10.1201/9781482271225-21.

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"Creep predictions for fiber reinforced composites by theoretical methods." In Fibre Reinforced Cement and Concrete, 188–99. CRC Press, 1992. http://dx.doi.org/10.1201/9781482271225-21.

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8

van Zijl, G., C. Adendorff, and W. Boshoff. "Creep of cracked strain hardening cement-based composites." In Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures, 723–28. Taylor & Francis, 2008. http://dx.doi.org/10.1201/9780203882955.ch96.

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Scherer, G., O. Abellan, and Z. Sun. "Kinetics of ice growth in cement paste." In Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures, 951–56. Taylor & Francis, 2008. http://dx.doi.org/10.1201/9780203882955.ch129.

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Nawa, T., Y. Hirukawa, and K. Kurumisawa. "Micro elastic modulus of blended cement pastes." In Creep, Shrinkage and Durability Mechanics of Concrete and Concrete Structures, 103–8. Taylor & Francis, 2008. http://dx.doi.org/10.1201/9780203882955.ch13.

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Тези доповідей конференцій з теми "Cement creep"

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Masoero, E., H. Manzano, E. Del Gado, R. J. M. Pellenq, F. J. Ulm, and S. Yip. "Kinetic Simulation of the Logarithmic Creep of Cement." In Ninth International Conference on Creep, Shrinkage, and Durability Mechanics (CONCREEP-9). Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413111.019.

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Duan, Wen Hui, Shu Jian Chen, and Mija Hubler. "Water Sorption Hysteresis in Cement Nano Slits." In Ninth International Conference on Creep, Shrinkage, and Durability Mechanics (CONCREEP-9). Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413111.012.

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Kurumisawa, K., H. Owada, and M. Shibata. "Mechanical Properties of Deteriorated Hardened Cement Paste." In Ninth International Conference on Creep, Shrinkage, and Durability Mechanics (CONCREEP-9). Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413111.033.

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"Shrinkage of Statically Compacted Cement-Phosphogypsum Mixtures." In SP-135: Creep and Shrinkage of Concrete: Effect of Materials and Environment. American Concrete Institute, 1992. http://dx.doi.org/10.14359/2279.

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Abuhaikal, M., S. Musso, J. Thomas, and F. J. Ulm. "An Apparatus for Dissecting Volumetric Changes in Hydrating Cement Paste." In Ninth International Conference on Creep, Shrinkage, and Durability Mechanics (CONCREEP-9). Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413111.037.

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"Drying Shrinkage Characteristics of Carbon Fiber Reinforced Cement Composites." In SP-135: Creep and Shrinkage of Concrete: Effect of Materials and Environment. American Concrete Institute, 1992. http://dx.doi.org/10.14359/2268.

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Shalchy, Faezeh, and Nima Rahbar. "Nanostructure of Cement/Polymer Fiber Interfaces." In 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479346.103.

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Goiti, E., M. Ocejo, and M. Cano. "Energy Efficient Cement-Based Building Materials." In 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479346.106.

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Jennings, Hamlin M., Enrico Masoero, Matthew B. Pinson, Elena G. Strekalova, Patrick A. Bonnaud, Hegoi Manzano, Q. Ji, et al. "Water Isotherms, Shrinkage and Creep of Cement Paste: Hypotheses, Models and Experiments." In Ninth International Conference on Creep, Shrinkage, and Durability Mechanics (CONCREEP-9). Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413111.015.

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Vandamme, M. "A Few Analogies between the Creep of Cement and Other Materials." In 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479346.010.

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Звіти організацій з теми "Cement creep"

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Thembeka Ncube, Ayanda, and Antonio Bobet. Use of Recycled Asphalt. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317316.

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Анотація:
The term Reclaimed Asphalt Pavement (RAP) is used to designate a material obtained from the removal of pavement materials. RAP is used across the US in multiple applications, largely on asphalt pavement layers. RAP can be described as a uniform granular non-plastic material, with a very low percentage of fines. It is formed by aggregate coated with a thin layer of asphalt. It is often used mixed with other granular materials. The addition of RAP to aggregates decreases the maximum dry unit weight of the mixture and decreases the optimum water content. It also increases the Resilient Modulus of the blend but decreases permeability. RAP can be used safely, as it does not pose any environmental concerns. The most important disadvantage of RAP is that it displays significant creep. It seems that this is caused by the presence of the asphaltic layer coating the aggregate. Creep increases with pressure and with temperature and decreases with the degree of compaction. Creep can be mitigated by either blending RAP with aggregate or by stabilization with chemical compounds. Fly ash and cement have shown to decrease, albeit not eliminate, the amount of creep. Mechanical stabilizing agents such as geotextiles may also be used.
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Jennings, Hamlin M. Developing improved relationships between microstructure and creep and shrinkage of cement-based materials. Final report for the period September 9, 1998 - July 31, 2000. Office of Scientific and Technical Information (OSTI), January 2001. http://dx.doi.org/10.2172/805791.

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In-depth survey report: partnering to control dust from fiber-cement siding, Pebble Creek, Glenview, Illinois. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, April 2014. http://dx.doi.org/10.26616/nioshephb35813a.

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Effects of limestone quarrying and cement-plant operations on runoff and sediment yields in the Upper Permanente Creek basin, Santa Clara County, California. US Geological Survey, 1989. http://dx.doi.org/10.3133/wri894130.

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