Results 41 to 50 of about 7,010,769 (298)
Sustainability, 2023 During excavation in a deep tunnel, dynamic disaster is an extremely severe impact failure. The necessity of an energy-absorbing support system is analyzed for different characteristics of dynamic disaster (rockburst) failure. The energy-absorbing support system design includes a combination of early-warning, energy-absorbing bolts, and other ...
Yunqiu Liu +4 more
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Geofluids, 2022 A similarity experiment study is conducted to investigate the evolution characteristics of temperature field and frozen wall closure judgment criteria for the inclined shaft, under inclined holes freezing condition using an adjustable-angle freeze ...
Chi Zhang +4 more
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Fractal and Fractional, 2023 A precise evaluation of the fluid movability of coal sedimentary rock is crucial to the effective and secure utilization of coal measures gas reserves. Furthermore, its complex pore structure and diverse mineral components impact the flow properties of ...
Na Zhang +4 more
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The Deep Underground Science and Engineering Laboratory at Homestake
Journal of Physics: Conference Series, 2008 The National Science Foundation and the international underground science community are well into establishing a world-class, multidisciplinary Deep Underground Science and Engineering Laboratory (DUSEL) at the former Homestake mine in Lead South Dakota.
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Source analysis of acoustic emissions during granite strain burst
Geomatics, Natural Hazards & Risk, 2019 The acoustic emission (AE) location technique and fault-plane solution method were used to evaluate the temporal-spatial evolution, released energy variation of micro-cracks, and the difference in b-values for different types of micro-cracks during ...
Yang Wang +4 more
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Research on Supporting Measure at Intersection of Inclined Shaft and Major Tunnel in Highway
Advances in Civil Engineering, 2020 The deformation characteristics of the rock mass in the intersection between the Muzhailing highway tunnel and the inclined shaft is a complicated three-dimensional problem.
Xiaoming Sun +4 more
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Stability Analysis of Surrounding Rock in Deep Underground Engineering Under Fluid-solid Interaction
Academic Journal of Science and Technology, 2023 The geological environment of deep rock masses is extreme and complex, characterized by typical deep geological features such as high geostress, high permeation water pressure, and high geotemperature. Geological disasters like water and mud inrush, high-intensity rock bursts, and large-volume collapses occur frequently in engineering construction ...
Haikun Shan, Xiaohu Yuan
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Scientific Programming, 2022 Huanghuai area is rich in coal resources, but due to the increasingly complex geological environment faced by coal mining, the complexity of structural stress is one of the main problems. In order to find out the distribution law of deep in situ stress in the Huanghuai area, the in situ stress measurement data of 81 effective measuring points in 24 ...
Wenbin Tao +4 more
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Strength Distribution and Damage Constitutive Model of Frozen Sand under Rate-Dependent Evolution
Shock and Vibration, 2022 Study of the compressive strength and damage constitutive model of frozen sand has an important significance for construction design and prevention-control of soil destabilization damage in frozen soil engineering. In this paper, a new triaxial apparatus
Fangnian Song +4 more
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Research on Stability of an Open-Pit Mine Dump with Fiber Optic Monitoring
Geofluids, 2018 China has over 1500 open-pit mines and 5000 dumps consisting of waste rock from the mining process. Due to dump instability in an open-pit mine and its diverse foundations, landslides and mudslides frequently occur.
Tao Zhigang +5 more
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