一种后浇带提前封闭时间计算方法
By using finite element calculation models and calibration with measured data, the problem of failure to consider floating loads and pile bottom sediment characteristics in existing technologies has been solved, providing a reliable prediction of the closure time of post-cast strips and ensuring the safety and accuracy of construction.
CN117744419BActive Publication Date: 2026-07-17CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD
- Filing Date
- 2023-10-19
- Publication Date
- 2026-07-17
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Figure CN117744419B_ABST
Abstract
本发明公开了一种后浇带提前封闭时间计算方法。首先将工程资料转化为有限元计算模型；根据有限元计算模型计算得到各建造楼层和各工况下底板处柱底沉降和后浇带处的混凝土最大应力；然后绘制后浇带封闭时间计算图；选取偏保守的结果，给出塔楼后浇带最早封闭时间；最后根据施工时柱底实测沉降，反演调整桩基刚度参数并重新计算。本发明实现了对大底盘主裙楼工程后浇带提前封闭时机的预测，考虑了浮荷载和桩底沉渣特性的对后浇带封闭的不利影响，并且采用实际施工监测数据对计算结果进行修正，使预测结果更加可靠。
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