重型塔吊基础沉降原因分析及加固纠倾技术  

Analysis and repair technology of foundation settlement of heavy tower crane

作　　者：李依涛 Li Yitao(China Energy Engineering Group Northwest City Construction Co.,Ltd.,Xi’an 710075,China)

机构地区：[1]中能建西北城市建设有限公司

出　　处：《山西建筑》2020年第1期76-79,共4页Shanxi Architecture

基　　金：国家自然科学基金(51908452);陕西省教育厅专项科研项目(Z20180357)

摘　　要：根据地层信息与基础沉降原因,制定合理的加固方案,采用格栅式旋喷桩加固某重型塔式起重机的基础,并在加固过程中持续进行沉降、垂直度等监测,同时制定符合该型塔机特征的纠倾方案,纠倾效果显著。According to the stratigraphic information and foundation settlement,a reasonable reinforcement construction scheme has been formulated.Reinforcing the foundation with a grille-type rotary spray pile,and continuous settlement monitoring had been carried out in the reinforcement process to ensure the construction is safe and effective.After the reinforcement was completed,the rectification scheme has been formulated according to the characteristics of the tower crane,and the rectification effect was remarkable.

关 键 词：塔式起重机 地基加固 纠倾技术 

分 类 号：TU974[建筑科学—建筑技术科学]