Results 31 to 40 of about 273 (162)
The Study of Collapsible for Intact Loess and Remolded Loess [PDF]
Proceedings of the 2015 International Conference on Mechatronics, Electronic, Industrial and Control Engineering, 2015 At present, there are not enough research for the intact loess and remolded loess collapsible; There are tests for the some region loess, to study the law of collapsible.The results showed that: The curve of intact loess and remolded loess collapsible deformation is defined by two turning points and three segments.The collapsible coefficient of intact ...
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Advances in Civil Engineering, Volume 2022, Issue 1, 2022., 2022 Silty clay is a kind of clay with more powder group than sand group, and its shear strength is mainly influenced by moisture content, dry density, and particle gradation. In this study, the deformation characteristics of silty clay under different normal pressure conditions were investigated from the perspective of control variables through indoor ...
Qinrong Kang +5 more
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Study of loess pore structure characteristics based on CT scanning
地质科技通报, 2022 Porosity is one of the important characteristics reflecting the microstructure of loess and directly affects the physical and mechanical properties of loess, such as water sensitivity, permeability and strength.
Jia Zheng +5 more
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Geofluids, Volume 2022, Issue 1, 2022., 2022 In order to study the permeability characteristics of cohesive soil in the consolidation process more accurately, in this work, the pores occupied by the combined water were defined as invalid pores, and the effective pores and ineffective pores were decoupled to study the relationship between effective pores and permeability coefficient.
Mei Zhou +5 more
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Test Study on the Air Permeability of Remolded Q3 Malan Loess
KSCE Journal of Civil Engineering, 2021 Gas permeability is an important parameter in the determination of the pore structure characteristics of loess, especially in engineering fields such as earthwork and landfill cover treatment. With an improved ZC-2015 air permeameter, the air permeability (ka) testing under different water contents (w), dry densities (ρd) and wetting paths was ...
Jia Liu +5 more
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Experimental Study on the Shear Strength of Loess Modified by Microbial Precipitation Technology
Advances in Materials Science and Engineering, Volume 2022, Issue 1, 2022., 2022 The shear strength (vertical pressure 50, 100, 200, and 300 kPa) and soil structure of the remolded loess with different proportions of the microbial cementing solution were measured and observed by the direct shear test and scanning electron microscopy (SEM).The results showed: (1) the increase in the microbial cementation solution led to the ...
Bing-Xia Wang +5 more
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Geofluids, Volume 2022, Issue 1, 2022., 2022 To investigate the small‐strain stiffness characteristics of highly weathered granite (HWG), a resonance column test system was used to conduct resonance column tests on highly weathered granite taken from the Lincang City, Yunnan Province, China. The effects of effective consolidation stress and structural changes is caused by remodeling process and ...
Juntao Wang +4 more
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The Formula Study of Strength Index for Remolded Loess [PDF]
Proceedings of the 2015 International Conference on Mechatronics, Electronic, Industrial and Control Engineering, 2015 At present, the research is not enough for the formula of water content and strength index in domestic.The paper aims how the change of water content influence strength index of remolded loess by consolidation drained triaxial shear test for the Linxian loess.The results showed that: The shear strength of loess decreases larger with the increasing of ...
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Influences of freeze-thaw on strength of loess under complex stress path
Yantu gongcheng xuebao, 2021 In order to investigate the influences of freeze-thaw on the strength characteristics of loess under complex stress path, the true-triaxial apparatus is used to carry out consolidation drained shear tests under the constant p stress path for the remolded
ZHENG Fang 1, SHAO Sheng-jun 1, 2, WANG Song-he 1
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Experimental study on water transfer of remolded loess under freezing
IOP Conference Series: Earth and Environmental Science, 2020 Abstract The change of the internal moisture field of the loess is an important factor for the study of the cause of the loess engineering disease, and the freezing effect has a certain effect on the change of the internal moisture field of the loess. In order to analyze the law and mechanism of water distribution in the loess under four
Liu Zhongxiang +3 more
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