Results 11 to 20 of about 6,279 (248)

Study of Gravelly Soil Core Material Using a Large-Scale Triaxial Wetting Test

open access: yesApplied Sciences, 2023
Wetting deformation has a significant impact on dam safety, and is one of the leading causes of the long-term deformation of dams. For dams to operate safely, it is crucial to precisely estimate the extent of wetting deformation using a reasonable ...
Yuyang Qin   +3 more
doaj   +1 more source

Determination of the Internal Friction Angle of Gravel based on the p-q Graph for Direct Shear Tests [PDF]

open access: yesرویکردهای نوین در مهندسی عمران, 2018
Since its simplicity and availability, direct shear test is a current one. This test, compared to the triaxial test, provides different values for the parameters of the gravel due to the specific shape of the test device and the test approach.
Mohammad Reza Basiri   +1 more
doaj   +1 more source

Research on Creep Characteristics and the Model of Artificial Frozen Soil

open access: yesAdvances in Materials Science and Engineering, 2022
To study the long-term stability of the large-scale freezing project, the longest subway connecting channel constructed by the artificial freezing method in China is taken as the background.
Chaochao Zhang   +4 more
doaj   +1 more source

Experimental study on mechanical properties and constitutive relation of CSG materials

open access: yesYantu gongcheng xuebao, 2023
The stress-strain relationship curve of cementitious CSG materials is obtained through the large-scale triaxial tests, and its mechanical properties are analyzed.
ZHAO Shougang 1, 2, LI Na 1, 2, HE Xianfeng 1, 2
doaj   +1 more source

The Influence of the Fractal Dimension on the Mechanical Behaviors of the Soil–Rock Mixture: A Case Study from Southwest China

open access: yesFractal and Fractional, 2023
As the typical multi-phase geotechnical material, the particle size distribution of the natural soil–rock mixture (S–RM) has a significant impact on the structural and mechanical properties.
Zhenping Zhang   +5 more
doaj   +1 more source

Numerical simulation of large-scale triaxial tests on soil-rock mixture using DEM with three-dimensional flexible membrane boundary

open access: yesYantu gongcheng xuebao, 2018
In order to effectively simulate the mechanical behavior of lateral flexible latex film used in large-scale triaxial tests on soil-rock mixture (SRM), a feasible three-dimensional discrete element (3-D DEM) modeling method, named 3-D wall-arrangement ...
JIN Lei 1,2, ZENG Ya-wu 2
doaj   +1 more source

Research on micro-influence mechanism of fine particles on dynamic characteristics of graded macadam materials in heavy-haul railway subgrade beds

open access: yesCase Studies in Construction Materials, 2023
Fine particle content is an important physical state parameter of graded macadam materials used in heavy-haul railway subgrade beds. Understanding the micro-influence mechanism of the fine particle content on the filler’s dynamical characteristics is of ...
Zhihao Yang   +3 more
doaj   +1 more source

Experimental study on particle breakage behaviors of rockfill under cyclic loadings

open access: yesYantu gongcheng xuebao, 2017
Using the large-scale dynamic triaxial apparatus, a series of cyclic drained triaxial shearing tests are performed on there kinds of rockfill materials with different confining pressures, consolidation stress ratios and dynamic stress amplitudes to ...
ZHANG Zhen-dong 1, 2, LI Guo-ying 1
doaj   +1 more source

Study on the Strength and Deformation Characteristics of Coarse-Grained Soil under End-Restraint and End-Free (Microfriction) Conditions

open access: yesApplied Sciences, 2023
In this study, for triaxial compression testing in geotechnical engineering, large-scale triaxial shear tests of coarse-grained soil were performed under end-restraint and end-free (microfriction) conditions utilizing a large-scale triaxial shear ...
Yanli Wang   +4 more
doaj   +1 more source

Unified modeling behavior of rockfill materials along different loading stress paths

open access: yesSoils and Foundations, 2022
Rockfill materials used for dam construction show obvious stress path dependency during construction process. The constitutive model for rockfill materials are mainly established based on conventional triaxial test.
Shihai Bian   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy