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类别:资料发布时间:2021-01-14
当今国内公路预应力砼桥梁中,大部分为后张法预应力砼桥梁。后张法桥梁预应力张拉是待砼达到一定强度和拆模后,在梁体预留孔道中穿入预应力筋(钢绞线),安装锚具,用千斤顶张拉锚固,使预应力筋对梁体施加应力。下面结合某桥梁箱梁,对后张法张拉控制数据的计算及张拉施工工艺做一简单介绍,以供参考。
类别:资料发布时间:2024-06-17
1 总 则 ······················· 12 基本规定 ······················ 13 防水材料 ······················ 24 地下工程 ······················ 44.1 桩头渗漏 ····················54.2 抗浮锚杆渗漏 ··················64.3 地下室底板渗漏 ·········
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