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浅谈预应力混凝土箱梁张拉技术
Author(s) -
瑞霞 房
Publication year - 2020
Publication title -
工程建设
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2717-5375
pISSN - 2630-5283
DOI - 10.33142/ec.v3i11.2778
Subject(s) - computer science
数控智能张拉设备是目前高架桥现浇简支梁、连续梁、连续刚构预应力筋进行张拉的新型设备施工现场具备经批准的张拉程序和现场施工说明书张拉应力控制符合设计要求张拉期间千斤顶的张拉作用线与轴线相重合同时以伸长值进行校核实际伸长值与理论伸长值的差值控制在±6%以内。经过简支梁底板、腹板、顶板分阶段施加预应力实验数据得出不同断面的伸长量因此对比传统张拉技术智能张拉技术同步精确率较高。

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