Search Results - "Zaisheng Jiang"

An innovative destressing technology and key parameters determination in both sides of a deep roadway by Jiang, Zaisheng, Chen, Dongdong, Xie, Shengrong

“…The general or single supporting theory and technology of the shallow surrounding rock of the roadway are not suitable for solving the problem of continuous…”
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Stability analysis and control technology of the sump-surrounding rock under a 1200-m-deep goaf: a case study by Xie, Shengrong, Li, Hui, Chen, Dongdong, Jiang, Zaisheng, Cui, Junqi, Liu, Ruipeng

“…In this study, a sump in the Xingdong coal mine (buried at a depth of over 1200 m) was used to analyze the surrounding rock's stability and control technology…”
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The J 2 evolution model and control technology of the main roadway surrounding rock under superimposed influence of double-coal seam mining by Dongdong Chen, Zijian Li, Shengrong Xie, Zhiqiang Wang, Zaisheng Jiang, Qingbo Jia, Yiyang Wang

“…Abstract Under double-seam mining, the main roadway surrounding rock is affected by the superposition of the advanced stress of the two-seam coal working…”
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Mechanism and key parameters of stress load-off by innovative asymmetric hole-constructing on the two sides of deep roadway by Chen, Dongdong, Jiang, Zaisheng, Xie, Shengrong

“…Traditional dense large-diameter borehole stress load-off techniques reduce the stress levels in the shallow surrounding rock, weaken the bearing capacity of…”
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Technology and engineering test of filling goaf with coal gangue slurry by Xie, Shengrong, Pan, Hao, Gu, Wenzhe, Zhu, Lei, Yue, Dong, Chen, Dongdong, Song, Tianqi, Jiang, Zaisheng

“…Based on the greening and low interference disposal requirements of coal gangue in high-yield and high-efficiency mines in Inner Mongolia and Shaanxi, and by…”
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Stability analysis and control technology of gob-side entry retaining with double roadways by filling with high-water material in gently inclined coal seam by Xie, Shengrong, Wang, En, Chen, Dongdong, Li, Hui, Jiang, Zaisheng, Yang, Hongzeng

“…To ameliorate the defects of insufficient support resistance of traditional roadside filling bodies for gob-side entry retaining (GER), overcome the inability…”
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Influence of the ultra-fine fly ash dosages on the mechanical properties of the sulfoaluminate cement-based high water backfilling material by Sun, Yaohui, Xie, Shengrong, Wu, Chaowen, Cui, Junqi, Chen, Dongdong, Guo, Fangfang, Jiang, Zaisheng, Ren, Yuxin, Lu, Weiyong

“…To reduce the filling cost of high-water backfilling material (HWBM) in mining backfill and improve the recycling utilization of the industrial waste such as…”
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New Technology of Pressure Relief Control in Soft Coal Roadways with Deep, Violent Mining and Large Deformation: A Key Study by Xie, Shengrong, Li, Hui, Chen, Dongdong, Feng, Shaohua, Ma, Xiang, Jiang, Zaisheng, Cui, Junqi

“…Previous studies have shown that the influence of deep dynamic pressure on the surrounding rock control of a coal roadway is one of the difficulties in mine…”
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Study on Zonal Cooperative Control Technology of Surrounding Rock of Super Large Section Soft Rock Chamber Group Connected by Deep Vertical Shaft by Xie, Shengrong, Jiang, Zaisheng, Chen, Dongdong, Wang, En

“…Aiming at solving the problem of asymmetric deformation, failure, and stability control of surrounding rock caused by the excavation of deep super large…”
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Study on Surrounding Rock Control of Withdrawal Space in Fully Mechanized Caving Mining of a 19 m Extra-Thick Coal Seam by Chen, Dongdong, Wang, Zhiqiang, Yue, Shuaishuai, Xie, Shengrong, He, Fulian, Tian, Chunyang, Jiang, Zaisheng, Liang, Dawei, Qi, Bohao

“…The section span of the withdrawal space of fully mechanized top coal caving in an extra-thick coal seam is large, and with the gradual withdrawal of the…”
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Mining‐induced failure characteristics and surrounding rock control of gob‐side entry driving adjacent to filling working face in the deep coal mine by Chen, Dongdong, Guo, Fangfang, Xie, Shengrong, Wang, En, Wu, Yiyi, Jiang, Zaisheng, Wang, Long, Cui, Junqi, Zhang, Xiao, Liu, Ruipeng

“…This paper studies the width of narrow coal pillars, mining‐induced failure characteristics, and surrounding rock control effect of gob‐side entry driving…”
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Study on Stability and Control of Surrounding Rock in the Stopping Space with Fully Mechanized Top Coal Caving under Goaf by He, Fulian, Liu, Bingquan, Wang, Deqiu, Chen, Dongdong, Wu, Yanhao, Song, Liming, Ma, Xiang, Ye, Qiucheng, Jiang, Zaisheng, Guo, Fangfang, Wang, Weiguang, Wu, Yiyi

“…Under the condition of fully mechanized top coal caving in close-distance coal seams, the surrounding rock of the stopping space easily loses stability during…”
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Reasonable stopping method and retracement channel support at fully mechanized top coal caving working face of 15 m extra‐thick coal seam: A case study by Xie, Shengrong, Wu, Yiyi, Ma, Xiang, Chen, Dongdong, Guo, Fangfang, Jiang, Zaisheng, Li, Hui, Zou, Hang, Liu, Ruipeng, Zhang, Xiao

“…Extra‐thick coal seams are widely distributed in the Datong mine area in China. The rapid stopping of mining and the support withdrawal technology for…”
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Roadway Surrounding Rock under Multi-Coal-Seam Mining: Deviatoric Stress Evolution and Control Technology by Shi, Songhao, Li, Yubo, Wu, Xiaoyu, Zhang, Qing, Wang, Long, He, Fulian, Xie, Shengrong, Wang, En, Chen, Dongdong, Jiang, Zaisheng

“…Multi-coal-seam mining creates surrounding rock control difficulties, because the mining of a coal face in one seam can affect coal faces in another. We…”
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Failure Mechanism and Control Technology of Thick and Soft Coal Fully Mechanized Caving Roadway under Double Gobs in Close Coal Seams by Shi, Songhao, Qi, Pengyu, Duan, Xiaobo, Wu, Xiaowei, Wang, En, Sun, Yaohui, Chen, Dongdong, Wu, Xiaoyu, Xie, Shengrong, Jiang, Zaisheng

“…The surrounding rock of the roadway under double gobs in the lower coal seams is partially damaged by the mining of the upper coal seam and the stress…”
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Research of Roof Anchorage Rock Beam Bearing Structure Model of Extra-Large Width Open-Off Cut and Its Engineering Application in a Coal Mine, China by Qiao, Shunxing, Chen, Feng, Wu, Xiaoyu, Ji, Chunwei, Zeng, Junchao, Wang, En, Chen, Dongdong, Zhang, Qing, Xie, Shengrong, Jiang, Zaisheng

“…The stability of the extra-large width open-off cut of a longwall panel has been a major concern in underground solid backfill mining. In this study, a…”
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Combined support technology for main roadway passing through goaf: A case study by Chen, Dongdong, Zhang, Qing, Xie, Shengrong, Jiang, Zaisheng, Li, Yubo, Gao, Mingming, Li, Hui, Wu, Xiaoyu, Wang, En, Shi, Songhao, Wang, Long

“…Controlling the surrounding rock of the main roadway passing through a goaf during the reconstruction and expansion of a merger and reorganization mine is a…”
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A novel asymmetric stress unloading technology in two sides of coal roadway in deep mine: A case study by Jiang, Zaisheng, Chen, Dongdong, Xie, Shengrong

“…•A novel asymmetric stress unloading technique is proposed.•This technique migrates high stress on roadway sides to deeper surrounding rock.•This technique…”
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Failure analysis and innovative pressure load-off control technology of deep coal roadway both ribs: A case study by Jiang, Zaisheng, Chen, Dongdong, Xie, Shengrong

“…•Proposed a pressure load-off method by crossing-stratum borehole to avoid failure.•This method can greatly avoid failure to the anchoring structure of…”
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A New Pressure Relief Technology by Internal Hole-Making to Protect Roadway in Two Sides of Deep Coal Roadway: A Case Study by Xie, Shengrong, Jiang, Zaisheng, Chen, Dongdong, Wang, En, Lv, Feng

“…Conventional borehole pressure relief technologies cannot consider roadway anchorage support and pressure relief simultaneously, which is a disadvantage in…”
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