Device for prepressing counter-force frame of hanging basket steel sling in cantilever beam construction: Fid-Bau Portal

Device for prepressing counter-force frame of hanging basket steel sling in cantilever beam construction

ZHANG SHENGZHONG / HUANG RUITANG / DU XIANPING / CHEN XIAODONG / FU BINGKE

The invention relates to the technical field of hanging basket suspended pouring construction, in particular to a suspended pouring beam construction hanging basket steel sling counter-force frame pre-pressing device which comprises two hanging basket top cross beams arranged in parallel in a spaced mode, two spiral steel pipes are arranged between the two hanging basket top cross beams, a jack is arranged between the two spiral steel pipes, and the jack is connected with the hanging basket top cross beams. And the steel sling is connected with the hanging basket top cross beam. The method has the advantages that the cost is low, operation is convenient, safety is guaranteed, the construction period is shortened, the elastic deformation value and the non-elastic deformation value of the steel sling can be rapidly obtained, and the elevation of the bottom formwork is readjusted to the design position according to comparative analysis of pre-pressing observation data and structural theoretical calculation data.

本发明涉及挂篮悬浇施工技术领域，尤其是一种悬浇梁施工挂篮钢吊带反力架预压的装置，包括两根平行间隔布置的挂篮顶横梁，两根所述挂篮顶横梁之间设置有两段螺旋钢管，在两段所述螺旋钢管之间设置有千斤顶，所述钢吊带与所述挂篮顶横梁连接。本发明的优点是：成本低、操作方便、保障安全且节约工期，可快速得出钢吊带的弹性变形和非弹性变形值，并根据预压观测数据与结构理论计算数据对比分析，重新调整底模标高至设计位置。

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