Results 61 to 70 of about 12,443 (266)
Shuiwen dizhi gongcheng dizhiDuring the excavation process of deep rock masses, the surrounding rock stress field forms alternating zones of stress increase (loading zones) and stress decrease (unloading zones) near the excavation surface, which can easily trigger instability and ...
Qian XIANG +5 more
doaj +1 more source
Seismic analysis and design of tunnels within fault ground: A review
Deep Underground Science and Engineering, EarlyView.The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
Shuili Shuiyun Gongcheng Xuebao, 2018 Aimed to study the characteristics of strength and deformation along with acoustic emission under cyclic loading, uniaxial and triaxial cyclic loading-unloading compression tests on granite were carried out using MTS815 system. Test results show that the
YAO Jikang +3 more
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A Device for Triaxial Compression Test of Sand
Soils and Foundations, 1960 SYNOPSIS In this paper a special device for triaxial compression test of sandy specimen is introduced which serves to maintain the proper shape of specimen before sufficient lateral pressure is applied thereto.
openaire +2 more sources
Dynamic response at the terminus of oblique intersecting joints subjected to stress waves
Deep Underground Science and Engineering, EarlyView.This study derives the propagation equation for stress waves impinging upon nonlinear oblique intersecting joints. It analyzes the dynamic response at the terminus of nonlinear oblique intersecting joints subjected to stress waves. Abstract To investigate the dynamic response at the terminus of oblique intersecting joints subjected to stress waves, a ...
Gang Hu +4 more
wiley +1 more source
Research on large-scale triaxial tests of TDA-modified ballast with different shapes
Yantu gongcheng xuebaoBallast mixed with tire-derived aggregate (TDA) is a novel method for improving the track bed, which has advantages of promoting performance of ballasted track infrastructure and enhancing the utilization rate of solid waste.
CHANG Jianmei 1, CHEN Gaoming 1, WANG Ai 1, FENG Huaiping 1, CUI Ying 2
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Design of Triaxial Tests with Polymer Matrix Composites. [PDF]
Polymers (Basel), 2022 Serna Moreno MDC +2 more
europepmc +1 more source
Deep Underground Science and Engineering, EarlyView.The graphical abstract illustrates a reconstructed in situ thermo‐hydro‐mechanical (THM) framework in which porosity serves as the central variable linking stress, pore pressure, and temperature to evolving mechanical properties of rocks. Under burial conditions, in situ stress, pore pressure, and temperature jointly govern volumetric strain and ...
Mingyuan Lu +5 more
wiley +1 more source
A study on the influences of a hygrothermal environment on the compressive strength and failure criteria of asphalt mixtures based on true triaxial tests. [PDF]
Heliyon, 2022 Wang P +4 more
europepmc +1 more source
Deep Underground Science and Engineering, EarlyView.This study establishes a multi‐factor coupling framework for predicting breakdown pressure in laminated shale by integrating experimental hydraulic fracturing tests, physics‐informed neural networks (PINNs), and Sobol sensitivity analysis. It reveals how differential stress, the bedding dip angle, and the injection rate interact to influence fracture ...
Tao Wang +6 more
wiley +1 more source