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“托梁拔柱”是一种扩大柱距的有效方法。通过某工程实例,详细介绍“托梁拔柱”的设计及施工监测的过程。根据原有厂房的情况,选择可行的托换方式、屋面支撑布置、钢柱加固、节点改造等形式,对施工监测的顶升高度、支顶反力以及抽柱榀柱顶应力等指标进行计算分析,可为类似工程提供参考。
“Joist pull column ” is an effective way to expand the column spacing. Through an example of a project, detailing the process of design and construction monitoring of the “joist”. According to the conditions of the original plant, choose the feasible underpinning mode, roof support arrangement, steel column reinforcement, node transformation and other forms to calculate the jacking height of construction monitoring, Analysis, can provide a reference for similar projects.