某项目塔机安装平面纠偏技术  

Deviation Rectification Technology for Tower Crane Installation Plane of a Project

作　　者：曾宪东 曹嘉利 曾鑫生 王龙 范凯基 ZENG Xian-dong;CAO Jia-li;ZENG Xin-sheng;WANG Long;FAN Kai-ji(Guangzhou Wuyang Construction Machinery Co.,Ltd.,Guangzhou 510520;Guangzhou Municipal Construction Group Co.,Ltd.,Guangzhou 510030;Guangzhou Construction Co.,Ltd.,Guangzhou 510030)

机构地区：[1]广州五羊建设机械有限公司,广州510520 [2]广州市建筑集团有限公司,广州510030 [3]广州建筑股份有限公司,广州510030

出　　处：《广州建筑》2023年第5期77-80,共4页GUANGZHOU ARCHITECTURE

基　　金：广州市建筑集团有限公司科技计划项目(2021-KJ043、2020-KJ006、2019-KJ034)。

摘　　要：某项目在塔机安装时发现基础预埋支腿发生不均匀沉降,四个支腿的标高错位过大,由于塔身采用片式标准节,在不对预埋支腿的标高进行调整的情况下无法完成塔机安装。通过加设纠偏装置对原预埋支腿的标高进行调整,并借助有限元软件ABAQUS对使用过程中各种工况下纠偏装置的受力进行模拟分析。结果表明:该纠偏装置受力合理,制作简单,安装方便。完成塔机平面纠偏后对基础沉降进行持续观测,在发现基础沉降量超出标准限值后,采取降低塔身高度和安装附着等措施,确保塔机的使用安全。During the installation of a tower crane,it was found that the embedded legs of the foundation had uneven settlement,and the elevation dislocation between the four legs was too large.As the tower crane was equipped with Potain mast section,the tower crane installation could not be completed without adjusting the elevation of the embedded legs.The elevation of the original embedded leg is adjusted by adding a deviation correction device,and the force of the deviation correction device under various working conditions is simulated and analyzed with the help of the finite element software ABAQUS.The results show that the load bearing behavior of the device is reasonable,the manufacture is simple and the installation is convenient.

关 键 词：塔式起重机 塔机安装 基础预埋 纠偏装置 有限元 

分 类 号：TU526[建筑科学—建筑技术科学]