Search Results - "Ren, Lianwei"

Evaluation Model on Activation Classification of Coal Mine Goaf Ground Considering High-Speed Railway Loads by Li, Xianquan, Ren, Lianwei, He, Pengfei, Yang, Quanwei

“…The construction and expansion of high-speed railway networks in China has been occurring at a fast pace, resulting in some lines crossing through coal mine…”
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Tests Research on Grouting Materials of Waste-Concrete-Powder Cement for Goaf Ground Improvement by Dun, Zhilin, Wang, Mengqi, Ren, Lianwei, Dun, Zhiyuan

“…Waste concrete powder (WCP) is proposed to replace part of the cement to seek environmentally friendly grouting materials for ground improvement in mine goaf…”
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Numerical Simulation of the Dynamic Responses and Cumulative Damage of Underground Caverns under Multiple Explosions by Ren, Lianwei, Dun, Zhilin, Cao, Ansheng, Wang, Guangyong, Sun, Xiaowang

“…Attacking underground caverns with earth-penetrating bombs usually involves multiple explosions in succession. To assess the dynamic responses and cumulative…”
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Pressure-Arching Characteristics in Roof Blocks during Shallow Coal Mining by Ren, Lianwei, Hagan, Paul, Wang, Shuren, Zhao, Yanhai, Zou, Zhengsheng

“…To reveal the performance of the stepped subsidence and the strong roof weighting during shallow coal mining, taking the fully mechanized mining face with…”
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Grouting effect on rock fracture using shear and seepage assessment by Li, Zhen, Liu, Huoxing, Dun, Zhilin, Ren, Lianwei, Fang, Jinjin

“…[Display omitted] •Grouting device for preparing rock samples was developed.•Effect of water and normal stress on strength of fracture surface was…”
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Laboratory Tests on Performance of Waste‐Clay‐Brick‐Powder Cement Grouting Materials for Ground Improvement in Mine Goaf by Dun, Zhilin, Wang, Mengqi, Zou, Youfeng, Ren, Lianwei

“…Many waste clay bricks have been produced when brick concrete buildings are demolished; at the same time, grouting treatment in goaf ground needs lots of…”
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Experimental Research on Application of Waste Concrete Powder–Waste Brick Powder–Cement Grout for Foundation Reinforcement in Mining Goaf by Wang, Yan, Wang, Mengqi, Wang, Hui, Dun, Zhilin, Ren, Lianwei

“…Combined with a strategic policy for the recycling of construction waste, this paper puts forward a programme for treating a goaf foundation with waste…”
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Theoretical Calculation Method of Open-Loop Pressure for Sleeve-Valve Pipe Grouting and Engineering Verification by Guo, Jiaqi, Zhu, Binzhong, Zhu, Zhengguo, Meng, Changjiang, Ren, Lianwei, Dun, Zhilin

“…Abstract The sleeve-valve pipe grouting technique is widely used in railway, highway, and house construction in China for its outstanding advantages in recent…”
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Failure Characteristics and Failure Process Investigation of Fine-Grained Sandstone under Impact Load by Ultrahigh Speed DIC and SEM Techniques by Wang, Guangyong, Yu, Rui, Ma, Dongfang, Wang, Xinyu, Cao, Ansheng, Hou, Yuan, Ren, Lianwei

“…Abstract The dynamic failure characteristics and fracture process of brittle materials such as rock involves a complex crack propagation process, the…”
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Field tests on the thermomechanical responses of PHC energy piles under cooling and loading conditions by Ren, Lian-wei, Ren, Jun-yang, Han, Zhi-pan, Xu, Jian

“…Energy piles play dual roles of structural load bearing and heat exchange with shallow geothermal energy. Based on a pile foundation construction project for…”
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Analysis on bearing capacity calculation and adjustment factor of JPP pile by Ren Lianwei, Kong Gangqiang

“…Jet grouting soil-cement-Pile strengthened Pile (JPP) is a new kind of composite pile composed of high pressure jet grouting pile and prestressed concrete core…”
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Analysis on Public Management and Service Land Valuation Based on Game Theory by Wang Xin, Ren Lianwei

“…With China's economic rapid progress and people's living standard increasing, public management and public services play more important role in the process of…”
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A New Classification Method of Mine Goaf Ground Activation Considering High-Speed Railway Influence by Ren, Lian-wei, He, Peng-fei, Zou, You-Feng, Dun, Zhi-Lin, Zou, Zheng-sheng, Wang, Shu-ren

“…With the rapid development of high-speed railways in China, it is inevitable that some of the lines will have to traverse through the mine goaf ground, and…”
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Analysis on Activation Criterion and Engineering Example of High-speed Railway Foundation in Goaf Site by Ren, Lianwei, Niu, Shuai, Dun, Zhilin, Zou, Zhengsheng, Ning, Hao

“…In order to investigate the activation of the goaf ground under a high-speed railway, based on the additional stress analysis method, considering the depth…”
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废弃蒸压砌块与煤矸石在煤矿采空区地基加固中的试验研究 by 任连伟, 李波, 邹友峰, 顿志林, 杨文府

“…TD325; 随着社会发展,大量的废弃蒸压砌块与煤矸石对周边环境造成不良影响,为了保护环境和资源再利用,这些固体废弃物在注浆加固领域得到了有效利用.提出以废弃蒸压加气混凝土砌块和废弃煤矸石 2种固体废弃物为主要材料,分别与水泥混合制成…”
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采空区场地高速铁路路基变形控制研究现状与展望 by 任连伟, 宁浩, 邹友峰, 顿志林, 郭文兵, 田忠斌

“…TD327;…”
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Field Test on Thermal Response of Large Diameter Energy Pile under the Pile Top Constraint by Ren, Lianwei, Han, Zhipan, Huo, Jiwei, Gao, Yujia

“…Energy pile is a new green technology,in line with the concept of energy conservation and emission reduction in engineering construction and green development…”
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Experimental study on performance of waste autoclaved blocks and coal gangue in coal mine goaf ground grouting improvement by Lianwei REN, Bo LI, Youfeng ZOU, Zhilin DUN, Wenfu YANG

“…With the development of society, a large number of waste autoclaved blocks and gangue on the surrounding environment, in order to protect the environment and…”
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Numerical Analysis on Thermodynamic Response Characteristics of Micro Steel Piles under Winter Conditions by Xu, Jian, Ren, Lianwei, Ma, Yan, Ren, Junyang

“…There is less research on the thermodynamic response characteristics of energy piles under winter conditions at present.On the basis of the field tests on…”
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Synthesis and characterization of electric and magnetic properties of the new intermetallic compounds M 3(GaTe 3) 2 (M = Cr, Fe, Co) by Jung, Jin-Seung, Hak Kim, Hyun, Gu Kang, Seog, Jun, Jong-Ho, Buisson, Youngsook L., Ren, Lianwei, O'Connor, Charles J.

“…The new amorphous intermetallic materials, M 3(GaTe 3) 2 (M = Cr, Fe, Co) are prepared by using a rapid precipitation metathesis reaction between the Zintl…”
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