Search Results - "Weijian Yu"

Mechanical characteristics and deformation control of surrounding rock in weakly cemented siltstone by Yu, Weijian, Li, Ke, Liu, Ze, An, Baifu, Wang, Ping, Wu, Hai

“…The roof of coal seams are mostly soft rock with weak cementation. To further study the mechanical characteristics and deformation control scheme of the…”
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Deformation Mechanism and Control Technology of Surrounding Rock in the Deep-Buried Large-Span Chamber by Yu, Weijian, Li, Ke

“…The selection of the support scheme for deep-buried and large-span chambers has been a severe problem in underground engineering. To further study the…”
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Experimental and theoretical investigation on mechanisms performance of the rock-coal-bolt (RCB) composite system by Wu, Genshui, Yu, Weijian, Zuo, Jianping, Du, Shaohua

“…For coal mines, rock, coal, and rock bolt are the critical constituent materials for surrounding rock in the underground engineering. The stability of the…”
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Genetic analysis of 42 Y-STR loci in Han and Manchu populations from the three northeastern provinces in China by Song, Wenqian, Zhou, Shihang, Yu, Weijian, Fan, Yaxin, Liang, Xiaohua

“…Abstract Background Y-STR polymorphisms are useful in tracing genealogy and understanding human origins and migration history. This study aimed to fill a…”
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Deformation Characteristics and Determination of Optimum Supporting Time of Alteration Rock Mass in Deep Mine by Yu, Weijian, Pan, Bao, Zhang, Fang, Yao, Shufu, Liu, Fangfang

“…In the tectonic belt, the stability of surrounding metamorphic rock was studied systematically using field investigation, laboratory analysis, theoretical…”
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Stability of Close Chambers Surrounding Rock in Deep and Comprehensive Control Technology by Yu, Weijian, Liu, Fangfang

“…The purpose of this paper is to solve the problem that deep and close-distance cavern and roadway group were easily affected by the adjacent chamber or roadway…”
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Field investigations of high stress soft surrounding rocks and deformation control by Weijian Yu, Weijun Wang, Xinyuan Chen, Shaohua Du

“…Field investigations of high stress soft rock deformations show that the high stress soft rock roadway can slide with large deformation. Severe extrusion and…”
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Quantitative Analysis of Prediction Indicators for Coal and Gas Outburst Risk by Yu, Weijian, Yang, Jie, Zhou, Mingjuan, Wang, Zhi

“…This study assesses the risk of coal and gas outburst using the theory of rock engineering system, selects seven prediction indices that are significantly…”
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A Critical Review of the Enhanced Recovery of Rare Earth Elements from Phosphogypsum by Xie, Gang, Guan, Qingjun, Zhou, Fujia, Yu, Weijian, Yin, Zhigang, Tang, Honghu, Zhang, Zhenyue, Chi, Ru’an

“…The increasing demand for rare earth elements (REEs), especially from new and innovative technology, has strained their supply, which makes the exploration of…”
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Experimental Study on the Brittle-Ductile Response of a Heterogeneous Soft Coal Rock Mass under Multifactor Coupling by Wang, Ping, An, Baifu, Wu, Genshui, Yu, Weijian

“…After a gas drainage event causes different degrees of initial porosity in the coal seam, the heterogeneity of the coal mass becomes much more obvious. In this…”
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An Energy Optimization Clustering Scheme for Multi-Hop Underwater Acoustic Cooperative Sensor Networks by Yu, Weijian, Chen, Yougan, Wan, Lei, Zhang, Xiaokang, Zhu, Peibin, Xu, Xiaomei

“…In this paper, we propose an improved energy optimization clustering algorithm (EOCA) for the multi-hop underwater acoustic cooperative sensor networks…”
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Experimental Study on Energy Evolution and Failure Characteristics of Rock–Coal–Rock Combination with Different Height Ratios by Pan, Bao, Yu, Weijian, Shen, Wenbing

“…Compared with the surrounding rock of single rock roadway, the uneven deformation of surrounding rock of thin coal seam roadway is more prominent. This uneven…”
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Genetic characteristics of spouse selection based on short tandem repeats in DNA and lunula count on fingertip by Xia, Qi, Anwar, Ullah, Weijian, Yu, Yingshuai, Wang, Hui, Liu

“…Abstract Objective The aim of this study was to assess the correlation of spouse selection with s hort tandem repeats (STRs) in DNA and with the number of…”
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Investigation on water inrush fracture mechanics model based on fracture mechanics and microseismic monitoring by Genshui Wu, Weijian Yu, Hanxiao Guo, Bao Pan, Xun Liu

“…North China coalfield is one of the most severe coal fields threatened by Ordovician limestone water (buried depth exceeding 1000 m). In this paper, the…”
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Investigations of Support Failure and Combined Support for Soft and Fractured Coal-Rock Tunnel in Tectonic Belt by Yu, Weijian, Wu, Genshui, An, Baifu

“…The structural integrity of coal and rock tunnel affected by structural belts is generally poor, and the fracture development leads to the failure of support…”
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The Impurity Removal and Comprehensive Utilization of Phosphogypsum: A Review by Guan, Qingjun, Wang, Zhuang, Zhou, Fujia, Yu, Weijian, Yin, Zhigang, Zhang, Zhenyue, Chi, Ru'an, Zhou, Juncheng

“…Phosphogypsum (PG), a byproduct during the phosphoric acid production process, also known as the wet process, contains complex and diverse impurities,…”
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Experimental investigation on the spatio-temporal-energy evolution pattern of limestone fracture using acoustic emission monitoring by Wang, Chunlai, Zhou, Baokun, Li, Changfeng, Cao, Cong, Sui, Qiru, Zhao, Guangming, Yu, Weijian, Chen, Zeng, Wang, Yin, Liu, Bin, Lu, Hui

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Mechanism of Stratum Instability and Dynamic Deformation under Discontinuous Boundary Conditions by Guo, Hanxiao, Yu, Weijian, Wu, Genshui, Li, Ke, Liao, Ze

“…A fault disrupts the continuity of the rock strata in a mining area. To study the law governing the fracture of overlying strata in mining areas under…”
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Experimental study on physical properties of superfine cement grouting material by Yu, Weijian, Zhou, Mingjuan, Wan, Xing, Guan, Qingjun

“…In this paper, the properties of superfine cement with different mesh sizes are observed from both macro and micro perspectives through laboratory tests, and…”
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Study on the Dynamic Instability Mechanism of the Rock Formation in the Multifault Structure Zone of the Stope by Guo, Hanxiao, Yu, Weijian, Liu, Yong, Zhang, Zongtang, Kang, Xiangtao

“…Under the influence of tectonism in geological activities, most fault structures appear in groups. Multiple fault structures can induce a variety of mine…”
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