Information and knowledge behind data from underground rock grouting

作     者：Fei Xiao Qian Liu Zhiye Zhao Fei Xiao;Qian Liu;Zhiye Zhao

作者机构：Department of Civil EngineeringNanjing University of Aeronautics and AstronauticsNanjing210016China School of Civil and Environmental EngineeringNanyang Technological University50 Nanyang Avenue639798Singapore 

出 版 物：《Journal of Rock Mechanics and Geotechnical Engineering》 (岩石力学与岩土工程学报（英文版）)

年 卷 期：2021年第13卷第6期

页      面：1326-1339页

核心收录：

学科分类：08[工学] 080104[工学-工程力学] 0815[工学-水利工程] 0801[工学-力学（可授工学、理学学位）] 

基　　金：the“Start-up Funding for New Faculty”provided by the Nanjing University of Aeronautics and Astronautics 

主　　题：Field grouting data Water seepage Rock grouting Inverse modelling Data analytics Geological conditions 

摘      要：Data related to the pre-grouting work of a large underground project are systematically analyzed to reveal the mechanism behind,to shed some light on the execution of practical grouting,and to enrich the theory of engineering *** is generally taken as an effective way for controlling nonignorable water seepage during underground rock *** various models have been developed to guide grouting design or to specify criteria for grouting stop,it does not change the fact that grouting is still highly ***,explanation of the current situation due to grouting complexity is given through step-by-step data analysis,where the impact on grouting parameters from the geological and hydrogeological conditions is investigated,and the grouting features of two tunnels located at the same depth below the sea surface are compared and ***,the data from individual grout hole are used to construct the regional geological conditions via inverse *** is found that grouting of fractured rock masses is accompanied with great uncertainty,and field grouting data can contribute significantly to a better understanding of the regional geological conditions around an underground tunnel or rock cavern.