某变电站溶洞地基加固措施分析研究  

Analysis and Research on Reinforcement Measures of Karst Cave Foundation of Substation

作　　者：盛学庆 陈佳慧 Sheng Xueqing;Chen Jiahui(Hangzhou Electric Power Design Institute Co.,Ltd.,Hangzhou 310009,China)

机构地区：[1]杭州市电力设计院有限公司,杭州310009

出　　处：《粘接》2021年第1期179-182,共4页Adhesion

基　　金：国网浙江省电力有限公司科技项目(SGTYHT/18-JS-202)。

摘　　要：随着国民生产水平的不断发展,我国输变电工程的发展极为迅速。而因规划用地所限,输变电工程在选址时难免经过或者接近岩溶溶洞。由于岩溶作用,建(构)筑物地基中广泛分布着有对地基具有较大不利影响的溶洞,会造成地面塌陷、不均匀沉降等不利影响,因此溶洞地基的加固对于结构地基的稳定性和结构安全具有重要的作用。下面将结合杭州市某变电站溶洞地基加固施工实践,通过理论研究、软件建模、模拟实验和实践考察等途径进行了研究和探讨,且基于工程相关验收结果和沉降观测结果进一步验证了加固方法的可行性。研究结果可为类似岩溶地区变电工程基础设计及施工提供一定的参考依据。With the continuous development of national production level,China's power transmission and transformation projects are developing very rapidly.However,due to the limitation of planned land,it is inevitable that power transmission and transformation projects will pass through or approach karst caves during site selection.Due to karstification,karst caves with great adverse effects on the foundation are widely distributed in the foundation of buildings(structures),which will cause adverse effects such as ground subsidence and uneven settlement.Therefore,the reinforcement of karst cave foundation plays an important role in the stability and structural safety of structural foundation.The following will be combined with the construction practice of karst cave foundation reinforcement in a substation in Hangzhou,through theoretical research,software modeling,simulation experiment and practical investigation,etc.to conduct research and discussion,and the feasibility of the reinforcement method is further verified based on the project-related acceptance results and settlement observation results..The research results can provide certain reference basis for the design and construction of substation engineering foundation in similar karst areas.

关 键 词：溶洞地基 灌浆加固 变电工程 

分 类 号：TM63[电气工程—电力系统及自动化] TU449[建筑科学—岩土工程]