Results 1 to 10 of about 3,618 (152)

Verification of a novel stress path method by true-triaxial test [PDF]

Scientific Reports
To verify the novel method of achieving a true-triaxial stress path with the pseudo-triaxial apparatus, a series of drained and undrained tests were carried out for the identical scheme with pseudo-triaxial apparatus and true-triaxial apparatus ...
Zhigang Ma, Xuefeng Li, Longlong Lv
doaj   +2 more sources

A novel true triaxial test system for microwave-induced fracturing of hard rocks

Journal of Rock Mechanics and Geotechnical Engineering, 2021
This study introduces a test system for microwave-induced fracturing of hard rocks under true triaxial stress. The test system comprises a true triaxial stress loading system, an open-ended microwave-induced fracturing system, a data acquisition system ...
Jun Tian, Xiangxin Su
exaly   +3 more sources

Evolution of mechanical properties and acoustic emission characteristics of granite with normal stress under true triaxial shear test [PDF]

Scientific Reports
Shear failure is a typical failure mode of surrounding rock in underground excavations. The mechanical properties and damage evolution characteristics of rock under true triaxial shear conditions are essential for stability evaluation and monitoring ...
Jizhe Guo, Zengchao Feng, Bichuan Zhang, Xuecheng Li, Yongxing Shen, Jiaqi Liu, Zhuochao Yan, Haosen Wang   +7 more
doaj   +2 more sources

Physical simulation test of true triaxial rock mechanics for waterflood dilation in offshore oilfields [PDF]

Scientific Reports
The reservoirs in the western South China Sea oilfield are characterized by low permeability, poor pore connectivity, high laminated content, severe pollution, and prominent interlayer contradictions.
Dengke Li, Huan Chen, Xuelin Liang, Zhi Huang, Yanfang Gao   +4 more
doaj   +2 more sources

Study of the mechanical characteristics of coal-serial sandstone after high temperature treatment under true triaxial loading

Scientific Reports, 2023
In this study, a series of true triaxial loading tests were carried out on coal-measure sandstone after high temperature treatment by using a self-developed true triaxial test system combined with acoustic emission (AE) monitoring, and the mass loss ...
Shuai Wang, Lianguo Wang, Bo Ren, Ke Ding, Chongyang Jiang, Jiaxing Guo   +5 more
doaj   +1 more source

Research on the mechanical characteristics of granite failure process under true triaxial stress path

Rock and Soil Mechanics, 2021
The true triaxial loading and unloading tests on granite were conducted to obtain the mechanical characteristics of the granite in the construction area of an underground cavern.
LIU Jie, ZHANG Li-ming, CONG Yu, WANG Zai-quan   +3 more
doaj   +1 more source

Simulation of thermal creep under true triaxial conditions based on TTS constitutive model

Shenzhen Daxue xuebao. Ligong ban, 2023
Monotonic and cyclic thermal loading significantly affect the axial and radial deformation, and lateral pressure coefficient of soil under true triaxial conditions, which poses new challenges to the crack resistance, settlement control and bearing ...
LIU Ziqi, CHENG Xiaohui
doaj   +1 more source

True-Triaxial Drained Test of Tengger Desert Sand

Advances in Civil Engineering, 2020
For the lack of accurate test results in design and maintenance of desert-crossing highways in the Tengger Desert of western China, the GDS true-triaxial system was used to conduct the drained test on dense sand.
Xuefeng Li, Zhigang Ma, Wennan Lu, Yandong Wang   +3 more
doaj   +1 more source

Study on Failure Difference of Hard Rock Based on a Comparison Between the Conventional Triaxial Test and True Triaxial Test

Frontiers in Earth Science, 2022
The study on the failure difference of deep hard rock based on the comparison between conventional and true triaxial tests can help us better understand the fracture processes and failure characteristics of the deep rock mass.
Guoqiang Zheng, Yonghui Tang, Yan Zhang, Yaohui Gao, Guoqiang Zhu, Meiben Gao, Meiben Gao, Junqian Ren, Kezhu Chen, Jicheng Sun   +9 more
doaj   +1 more source

Strength and deformation properties of frozen sand under a true triaxial stress condition

Soils and Foundations, 2022
In recent years, the mechanical properties of frozen soils under complex stress states have attracted significant attention; however, limited by the test apparatus, true triaxial tests on frozen soils have rarely been conducted. To study the strength and
Kun Huang, Qinyong Ma, Dongdong Ma, Zhaoming Yao   +3 more
doaj   +1 more source