ICS 93.040 P 28 DB37 山 东 省 地 方 标 准 DB 37/T 3549—2019 大跨径波形钢腹板预应力混凝土 组合箱梁桥技术规范 Code for Long Span Prestressed Concrete Composite Girder Bridge with Corrugated Steel Webs 2019 - 05 - 29 发布 山东省市场监督管理局 2019 - 06 - 29 实施 发 布 DB37/T 3549—2019 目 次 前言 ................................................................................ IV 1 范围 ............................................................................... 1 2 规范性引用文件 ..................................................................... 1 3 术语和符号 ......................................................................... 2 3.1 术语 ........................................................................... 2 3.2 符号 ........................................................................... 4 4 材料 ............................................................................... 5 4.1 4.2 4.3 4.4 一般规定 ....................................................................... 混凝土 ......................................................................... 普通钢筋与预应力筋 ............................................................. 钢材 ........................................................................... 5 5 5 5 5 基本规定 ........................................................................... 6 5.1 设计原则 ....................................................................... 6 5.2 施工要求 ....................................................................... 6 6 构造要求 ........................................................................... 6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 截面设计 ....................................................................... 6 波形钢腹板 ..................................................................... 7 连接件 ......................................................................... 8 墩顶节段及组合腹板段 ........................................................... 9 跨间横隔板 .................................................................... 11 预应力筋 ...................................................................... 11 转向块 ........................................................................ 11 7 设计计算 .......................................................................... 12 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 一般规定 ...................................................................... 作用及作用效应 ................................................................ 抗弯计算. ..................................................................... 抗剪计算 ...................................................................... 抗扭计算 ...................................................................... 横向计算 ...................................................................... 内衬混凝土计算 ................................................................ 连接件承载力计算 .............................................................. 12 13 13 13 16 16 17 18 8 承载能力极限状态验算 .............................................................. 20 8.1 一般规定 ...................................................................... 20 8.2 波形钢腹板组合箱梁抗弯承载力验算 .............................................. 20 I DB37/T 3549—2019 8.3 8.4 8.5 8.6 8.7 8.8 波形钢腹板组合箱梁抗剪承载力验算 .............................................. 波形钢腹板组合箱梁抗扭承载力验算 .............................................. 波形钢腹板组合箱梁抗倾覆验算 .................................................. 连接件抗剪承载力验算 .......................................................... 连接件抗角隅弯矩验算 .......................................................... 转向块与锚固结构验算 .......................................................... 20 21 21 21 21 23 9 正常使用极限状态验算 .............................................................. 24 9.1 9.2 9.3 9.4 9.5 一般规定 ...................................................................... 体外预应力筋验算 .............................................................. 波形钢腹板剪应力验算 .......................................................... 连接件抗滑移与应力验算 ........................................................ 挠度验算 ...................................................................... 24 24 24 25 26 10 波形钢腹板施工 ................................................................... 27 10.1 10.2 10.3 10.4 10.5 一般规定 ..................................................................... 波形钢腹板制作、涂装及运输 ................................................... 波形钢腹板安装及现场焊接 ..................................................... 波形钢腹板现场涂装 ........................................................... 波形钢腹板质量验收标准 ....................................................... 27 27 27 29 29