Results 1 to 10 of about 7,837 (263)
Strength test of 3D printed artificial rock mass with pre-existing fracture
Discontinuities or structural planes are widely distributed in natural rock masses and significantly influence their geo-mechanical and geometric properties.
Youyu Wang +3 more
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Influence mechanism of rock joints on blasting fragmentation
The influences of rock joints on the formation of blasting fragmentation have always been a hot issue in blasting engineering, which is one of the most important factors affecting the construction efficiency and long-term operation safety.
HU Yingguo 1, 2, RAO Yu 1, 2, CHAI Chaozheng 3, WU Xinxia 1, 2, YANG Zhaowei 1, 2, ZHOU Xianping 1, 2
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Application of Microbially Induced CaCO3 on the Reinforcement of Rock Discontinuity
Microbially induced calcium carbonate precipitation (MICP) is a technique used in geotechnical engineering to reinforce soil and rock. While it is commonly used for soil reinforcement, its application for rock reinforcement in saline–alkaline ...
Simiao Zhang +3 more
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Studying the effect of some parameters on the stability of shallow tunnels
Several factors have crucial impact on the serviceability of underground openings including: the quality of rock mass; the presence of rock joints and their geometrical properties; the state of in-situ stress ratio; the depth below surface and opening ...
Wael R. Abdellah +2 more
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The number and distribution of joints in rock are closely related to their physical and mechanical properties. In this paper, given the propagation law of explosive stress waves in jointed rock during rock blasting and the influence of joints on dynamic ...
Zhiyu Zhang +3 more
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Fossil fuel resources (eg, coal, oil, and natural gas) exist in underground reservoirs, where discontinuities are widespread and influence the stability of rock structures.
Wendong Yang +6 more
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Shear creep characteristics and constitutive model of hidden non-persistent joints
The joints control the boundary of the rock slope instability. A large number of joints in the natural world are not completely persistent, and are hidden inside the slope.
LI Ren-jie , JI Feng , FENG Wen-kai , WANG Dong-po , ZHANG Jin-ming
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Research on Damage Evolution Mechanism of Layered Rock Mass under Blasting Load
Rock mass consists of many discontinuities, such as faults, joints, etc., and layered joints are a common kind of rock mass structure. The joints affect the stress wave propagation, and blasting is an economical and efficient rock fragmentation method ...
Lixiang Xie +5 more
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Research on direct shear behaviour and fracture patterns of 3D-printed complex jointed rock models
Geometry and mechanical characteristics of joints are key factors affecting the shear behaviors and fracture patterns of jointed rock mass. Using 3D printing technique, experimental jointed rock specimens containing rough joints with varied joint ...
WANG Pei-tao +4 more
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The shear characteristics of bolted rock joints are crucial for the stability of tunneling and mining, particularly in deep underground engineering, where rock bolt materials are exposed to high stress, water pressure, and engineering disturbance ...
Chang Zhou +5 more
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