SHOTCRETE

作品数：36被引量：52H指数：4
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相关领域：生物学更多>>
相关机构：山东科技大学更多>>
相关期刊：《Journal of Wuhan University of Technology(Materials Science)》《International Journal of Mining Science and Technology》《Rock Mechanics Bulletin》《Underground Space》更多>>
相关基金：国家自然科学基金中国博士后科学基金更多>>
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Enhancing CO_(2)mitigation potential and mechanical properties of shotcrete in underground mining utilizing microbially induced calcium carbonate precipitation
《International Journal of Mining Science and Technology》2024年第12期1643-1653,共11页Qiusong Chen Xinyi Yuan Aixiang Wu Yikai Liu 
funded by the National Natural Science Foundation of China(Nos.52274151 and 552104156);the 14th Five Years Key Programs for Science and Technology Development of China(No.2021YFC2900400).
Achieving low-carbon development in the mining sector is fundamental for global carbon emissions abatement,especially considering the growing demand for mineral resources.Currently,the energy foot-print of mines emerg...
关键词：Green mining Tunnel support Shotcrete support CO_(2)mitigation BIOMINERALIZATION 
Development of a High Early Strength Non-fuorine and Non-alkaline Flash Setting Admixture and Flash Mechanism
《Journal of Wuhan University of Technology(Materials Science)》2024年第6期1518-1527,共10页SUN Guowen YANG Xinyu WANG Fengjuan WANG Jinshuo LIU Zhiyong 
Funded by the National Key Research and Development Program of China(No.2021YFB2601200);the Natural Science Foundations of Hebei Province(No.E2022210103)。
To solve the problems of high rebound rate and strength reversion of shotcrete,a non-fluorine and non-alkaline liquid flash setting admixture(FSN)with low rebound and high early strength was synthesized under 60-65℃w...
关键词：SHOTCRETE flash setting admixture aluminum sulfate high early strength flash mechanism 
Application of Roadway Spray Material to Fire Prevention in Goaf Excavation
《World Journal of Engineering and Technology》2024年第2期389-400,共12页Hao Rong 
In order to reduce the risk of spontaneous combustion in goaf during goaf excavation process, polymer modified cement mortar spraying material was used to spray and seal the roadway surface. The experimental applicati...
关键词：Goaf Excavation Thin Layer Spraying Construction Technology Shotcrete Plugging Air Leakage Plugging 
Experimental study on mix proportion optimization of anti-calcium dissolution shotcrete for tunnels based on response surface methodology
《Underground Space》2024年第2期203-220,共18页Chongming Tian Yueping Tong Junyuan Zhang Fei Ye Guifeng Song Yin Jiang Meng Zhao 
funding provided by the Project of Yunnan Provincial Department of Transportation(Grant No.yjkjb[2019]No.59);the Fundamental Research Funds for the Central Universities,CHD(Grant No.300102212706).
Aiming at the issue of crystallization and blockage of drainage system due to the massive calcium loss from the tunnel shotcrete,a selfdesigned tunnel seepage crystallization modelling system was developed.This system...
关键词：Tunnel engineering Calcium loss Crystallization blockage Model test Response surface methodology Interaction effect 
Enhancing performance and reducing carbon emissions in sprayed concrete using green silica-lignin admixture and recycled aggregates
《Low-carbon Materials and Green Construction》2024年第1期40-50,共11页Weijian Dong Fanyu Kong Ting He Mengke Liu Jingang Wu Lilong Zhang 
supported by National Natural Science Foundation of China(No.21908127);the project supported by the Foundation(GZKF202103)of State Key Laboratory of Biobased Material and Green Papermaking.
The substitution of low-carbon and carbon-negative materials is an important pathway and a fundamental means of reducing carbon emissions in the construction sector.This work utilized the pulping wastewater(black liqu...
关键词：Keywor Silica-lignin SHOTCRETE Carbon emission reduction Life cycle assessment 
Application Strategies of Shotcrete Anchor Support Technology in Highway Bridge and Tunnel Engineering
《Journal of Architectural Research and Development》2024年第1期56-61,共6页Ruiquan Liu 
This article analyzes the application strategies of shotcrete anchor support technology using a highway bridge-tunnel construction project as an example.The article covers various strategies,including support plan for...
关键词：Highway bridge engineering Tunnel construction Shotcrete support Support plan Support construction 
Key features of numerical models for the FE-simulation of deep tunnel advance by the NATM被引量：1
《Underground Space》2024年第1期357-376,共20页Peter Gamnitzer Matthias Neuner Magdalena Schreter-Fleischhacker Alexander Dummer Thomas Mader Stefan Smaniotto Gunter Hofstetter 
Partial financial support for Alexander Dummer and Thomas Mader by the Tyrolean Science Fund(TWF),Austria(Project Nos.F.18719 and F.18712)is gratefully acknowledged.
In the present work,important aspects of time-dependent nonlinear 3D finite element(FE)models for deep tunnel advance by the New Austrian Tunneling Method(NATM),characterized by repeated sequences of excavation,securi...
关键词：NATM Finite element model ROCK SHOTCRETE Damage-plasticity model 
First-arrival traveltime tomography for monitoring the excavation damaged zone in the Horonobe Underground Research Laboratory
《Rock Mechanics Bulletin》2023年第3期32-43,共12页Yusuke Ozaki 
This study was conducted as part of a commissioned project entitled“The project for validating sealing of the geological repository(2020 and 2021 FY)”funded by the Ministry of Economy,Trade,and Industry of Japan.
Subsurface excavation results in the formation of a zone called excavation damaged zone(EDZ)around the tunnel wall.An EDZ is a major concern in the field of high-level radioactive waste disposal because it may act as ...
关键词：Excavation damaged zone First-arrival traveltime tomography Time-lapse inversion SHOTCRETE 
Study on Mechanical Properties of High Fine Silty Basalt Fiber Shotcrete Based on Orthogonal Design
《Journal of Renewable Materials》2023年第8期3351-3370,共20页Jinxing Wang Yingjie Yang Xiaolin Yang Huazhe Jiao Qi Wang Liuhua Yang Jianxin Yu Fengbin Chen 
This work was supported by the National Natural Science Foundation of China(51834001,52104129);a project supported by the China Postdoctoral Science Foundation(2020M672226,2022T150195);Key Laboratory of Mine Ecological Effects and Systematic Restoration,Ministry of Natural Resources,Open Fund(MEER-2022-09).
In order to improve the comprehensive utilization rate of highfines sand(HFS)produced by the mine,full solid waste shotcrete(HFS-BFRS)was prepared with HFS asfine aggregate in cooperation with basaltfiber(BF).The strengt...
关键词：Solid wastes recycling high-fine silt basaltfiber total solid waste shotcrete orthogonal design 
Dust pollution during shotcrete process in high-altitude tunnel based on numerical simulation被引量：4
《Particuology》2023年第4期82-95,共14页Cong Li Zhongan Jiang Guoliang Zhang Xue Feng Fabin Zeng 
the National Natural Science Foundation of China(grant No.51874016).
The surrounding rock needs shotcrete support after drilling and blasting excavation in the tunnel;the high concentration of dust generated in the process will endanger workers'occupational health.Therefore,to ensure t...
关键词：High-altitude tunnel SHOTCRETE Dust diffusion Numerical simulation Ventilation system 
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