微生物减饱和法处理液化地基研究进展  

Research progress of liquefiable foundation treatment using microbial induced desaturation

作　　者：王博[1,2] 常新昊 渠程业 刘志强 Wang Bo;Chang Xinhao;Qu Chengye;Liu Zhiqiang(State Key Laboratory for Geomechanics and Deep Underground Engineering,Xuzhou Jiangsu 221116,China;School of Mechanics and Civil Engineering,China University of Mining and Technology,Xuzhou Jiangsu 221116,China)

机构地区：[1]深部岩土力学与地下工程国家重点实验室,江苏徐州221116 [2]中国矿业大学力学与土木工程学院,江苏徐州221116

出　　处：《化工矿物与加工》2021年第11期8-11,15,共5页Industrial Minerals & Processing

基　　金：国家自然科学基金青年项目(51408595);中国地震局工程力学研究所基本科研业务费专项资助项目(2020D16)。

摘　　要：土体液化是导致岩土工程震害的主要原因之一,由于传统处理方法在成本、适用性等方面的限制,大量既有建筑和新建工程地基未能得到有效的抗液化处理,地震液化灾害潜在风险不断聚集。减饱和是提高土体抗液化强度的有效方法,微生物减饱和法具有环境友好、处理方式灵活等优势,其涉及微生物、环境、岩土等多学科领域,是当前微生物岩土技术的前沿性课题。对微生物减饱和作用机理、减饱和土体性状及稳定性等研究现状进行了总结分析,并对未来研究工作的方向作出了展望。Soil liquefaction is deemed as one of the critical causes of the seismic damage in geotechnical engineering.Because of the high cost and poor serviceability of traditional handling approaches,foundations of numerous existing buildings and greenfield projects have not been effectively treated against liquefaction,and the potential risks of earthquake-induced liquefaction disasters are accumulated.It is concluded that desaturation is an efficient way of reinforcing liquefiable ground,the microbial induced desaturation process has such advantages as environmental friendly and flexible handling and involved in multi-disciplinary fields such as microbiology,environment and geotechnical,which is the subject in the frontiers of research on microbial geotechnical technology.In this paper,the mechanism of microbial induced desaturation and the property and stability of desaturated soil were studied moreover future research interests were also expected.

关 键 词：地震液化 微生物矿化 减饱和 岩土加固 抗液化强度 环境效应评价 

分 类 号：TU472[建筑科学—结构工程]