Strength Characteristics and the Reaction Mechanism of Stone Powder Cement Tailings Backfill by Jianhua Hu, Qifan Ren, Quan Jiang, Rugao Gao, Long Zhang, Zhouquan Luo

“…In order to reduce the backfilling cost and assess the potential of SPC backfilling materials, a series of experiments were conducted to analyze the strength and hydration reaction mechanism of stone powder cement tailings backfill (SPCTB). …”
Get full text

Multiscale study on the compressive performance of diverse solid waste backfill bodies by Hang Yin, Jiepeng Liu, Xuhong Zhou, Hongtuo Qi, Shuxian Liu, Shuai Pang

Subjects: “…Solid waste backfill…”
Get full text

Bandwidth Enhancement of a Backfire Microstrip Patch Antenna for Pervasive Communication by Puran Gour, Ravishankar Mishra

“…Backfire antenna 0.265λ for bandwidth enhancement is proposed and investigated. …”
Get full text

A Large Goaf Group Treatment by means of Mine Backfill Technology by Hanwen Jia, Baoxu Yan, Erol Yilmaz

“…The volume of each goaf to be backfilled was quantitatively analyzed in the combination of theoretical analysis and three-dimensional laser scanning technology. …”
Get full text

Experimental research on resource utilization of iron tailings powder in backfilling engineering by Guo-Hua Yuan, Yun-Shi Yao, Pu-Gang Zhang, Wei-Guo Hao, Kun-Peng Huang, Jin-Li, Qing-Fang Shang

Subjects: “…Goaf backfill…”
Get full text

Study on Energy Dissipation Characteristics and Damage Law of Backfill under Cyclic Impact by Xianglong Li, Qinglian Zhou, Jianguo Wang, Wei Sun, Yongxin Yao, Yongbo Wu, Zhiping Zhang

Get full text

Genetic background of body reserves in laying hens through backfat thickness phenotyping by Bédère, Nicolas, Dupont, Joëlle, Baumard, Yannick, Staub, Christophe, Gourichon, David, Frédéric, Elleboudt, Le Roy, Pascale, Zerjal, Tatiana

Subjects: Get full text

Surrounding Rock Movement of Steeply Dipping Coal Seam Using Backfill Mining by Wenyu Lv, Kai Guo, Jianhao Yu, Xufeng Du, Kun Feng

“…The movement of the overlying strata in steeply dipping coal seams is complex, and the deformation of roof rock beam is obvious. In general, the backfill mining method can improve the stability of the surrounding rock effectively. …”
Get full text

Numerical Simulation of Surface Subsidence and Backfill Material Movement Induced by Underground Mining by Xibing Li, Dongyi Wang, Chongjin Li, Zhixiang Liu

“…In the second and third simulation cases, the mined-out areas above 905 m were backfilled by the noncemented tailings and an insulating pillar was reserved beneath the backfill material, and then the deep ore body was excavated by two different mining methods to study the movement law of the backfill material and rock strata induced by underground mining. …”
Get full text

Genome-Wide Association Studies Associated with Backfat Thickness in Landrace and Yorkshire Pigs by Young-Sup Lee, Donghyun Shin

Subjects: “…backfat thickness…”
Get full text

A Strength Design Method of Cemented Backfill with a High Aspect Ratio by Zhi-zhihui Wang, Ai-xiang Wu, Hong-jiang Wang

“…To calculate the required strength of a cemented backfill with high aspect ratio, the confirmation of lateral pressure is fundamental and needs to be determined first. …”
Get full text

Study on Damage Constitutive Model of High-Concentration Cemented Backfill in Coal Mine by Baogui Yang, Haigang Yang

“…In order to construct the damage constitutive model (DCM) of high-concentration cemented backfill (HCCB) in coal mine, the generalized Hoek-Brown strength criterion was used as the failure criterion. …”
Get full text

An Experimental Study on the Microstructures of Cemented Paste Backfill during Its Developing Process by Bo Zhang, Jie Xin, Lang Liu, Lijie Guo, Ki-Il Song

“…The aim of this study was to examine the microstructure of cemented paste backfill (CPB) during its development and relate the characteristics of the microstructure to the physical and mechanical properties of CPB. …”
Get full text

Preparation and Mechanical Properties of Cemented Uranium Tailing Backfill Based on Alkali-Activated Slag by Fulin Wang, Guoliang Chen, Lu Ji, Zhengping Yuan

“…Backfilling disposal based on cement solidification is one of the ways to solve the environmental and safe problems of uranium tailing surface stacking. …”
Get full text

Utilization of Foaming Technology in Cemented Paste Backfill of High-Mud Superfine Unclassified Tailings by Jian-wen Zhao, Xin-min Wang, Kang Peng, Shuai Li

“…Due to high-mud content in superfine unclassified tailings (SUT), the viscosity of cemented paste backfill (CPB) is high and its pipeline transportation properties are poor. …”
Get full text

Settlement Characteristics of Urban Underground Comprehensive Pipe Gallery under Different Backfill Conditions by Fengting Li, Ke Wu, Xiaoyang Ma, Pengfei Jin, Wenbin Xu, Dapeng Liu

“…In order to solve the problem of differential settlement of pavement after the backfilling of urban underground comprehensive pipe corridors based on a pipe gallery project in Xiong’an New Area, the mechanical calculation model of the pipe gallery foundation pit backfilling process was simulated by ABAQUS, and the pavement settlement and the change of the pipe gallery model under different construction conditions were simulated and verified. …”
Get full text

Using Coupled Rheometer-FBRM to Study Rheological Properties and Microstructure of Cemented Paste Backfill by Hongjiang Wang, Liuhua Yang, Hong Li, Xu Zhou, Xiaotian Wang

“…Rheological properties, such as the yield stress, viscosity, and thixotropy, are related to the microstructure of cemented paste backfill (CPB). To highlight the relationship, two instruments were combined to measure the changes in the microstructure and the rheological properties of CPB simultaneously. …”
Get full text

Impact of Temperature on the Strength Development of the Tailing-Waste Rock Backfill of a Gold Mine by Bin Han, Shengyou Zhang, Wei Sun

“…This study investigated the influencing rules of curing temperature (5, 10, 16, and 20°C), cement ratio (8%, 10%, 12%, and 14%), and mass concentration (70%, 73%, 74%, and 75%) on the strength of backfill. In addition, a scanning electron microscope (SEM) is employed to analyze the microtopography of the backfill. …”
Get full text

Study on the Stability and Control of Gob-Side Entry Retaining in Paste Backfill Working Face by Changtao Xu, Xiangyu Wang, Dingchao Chen, Guanghui Wang, Zhenpeng Niu, Huixing Lu

“…To address this, a GER technology using paste backfill was proposed. This study reveals the stability mechanism of the surrounding rock in GER with paste backfill through theoretical analysis, numerical simulation, and industrial experiments. …”
Get full text

Impact of In Situ Soil in Soil-Bentonite Cutoff Wall Backfill on Compressibility and Hydraulic Conductivity by Ridong Fan, Yuling Yang, Songyu Liu

“…Soil-bentonite cutoff walls, consisting of excavated in situ soil and bentonite as backfills, are used extensively as vertical barriers for groundwater pollution control. …”
Get full text