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结合深圳某座超常规、超长度预应力巨型框架结构在设计与施工中涉及到的若干技术难题,论述了大跨度预应力结构的选型问题;防止大面积楼盖出现裂缝的问题;预应力筋成束变角张拉技术问题以及框架柱的延性问题。对类似工程的设计与施工提供了极为实用的技术与工程经验。
Combining with the technical problems involved in the design and construction of a super-conventional and ultra-long prestressed mega-frame structure in Shenzhen, this paper discusses the selection of large-span prestressed structures; prevents the cracking of large-area floor structures; Tension - tension Tensioning Techniques for Tendons and Ductility of Frame Columns . It provides extremely practical technical and engineering experience for the design and construction of similar projects.