DB43/T—2024 306743 湖 南 省 地 方 标 准ICS 93.080 CCS P 28 发 布 湖南省市场监督管理局2024-08发布-30 2024-11实施-30公路钢波纹板桥涵设计施工与验收规范 Specifications for the design, construction and acceptance of highway corrugated steel plate bridge culverts DB43/T 3067—2024 I 目 次 前言 ································ ································ ································ ························ Ⅲ 引言 ································ ································ ································ ·························· Ⅴ 1 范围 ································ ································ ································ ······················ 1 2 规范性引用文件 ································ ································ ································ ······· 1 3 术语和定义 ································ ································ ································ ············· 2 4 材料 ································ ································ ································ ······················ 3 4.1 主体结构材料 ································ ································ ································ ··· 3 4.2 连接件材料 ································ ································ ································ ······ 3 4.3 密封材料 ································ ································ ································ ········· 4 4.4 防腐耐久材料 ································ ································ ································ ··· 4 4.5 焊接材料 ································ ································ ································ ········· 4 4.6 结构性填筑材料 ································ ································ ································ 4 4.7 其他材料 ································ ································ ································ ········· 5 5 布设基本规定 ································ ································ ································ ·········· 5 5.1 应用原则 ································ ································ ································ ········· 5 5.2 新建结构形式 ································ ································ ································ ··· 6 5.3 加固既有桥涵形式 ································ ································ ····························· 8 5.4 既有桥梁拼宽形式 ································ ································ ····························· 9 5.5 布设基本要求 ································ ································ ································ ·· 10 5.6 附属设施 ································ ································ ································ ········ 10 6 结构计算 ································ ································ ································ ··············· 11 6.1 一般规定 ································ ································ ································ ········ 11 6.2 作用 ································ ································ ································ ·············· 11 6.3 闭口结构内力计算 ································ ································ ···························· 11 6.4 闭口结构验算 ································ ································ ································ ·· 13 7 结构构造设计 ································ ································ ································ ········· 18 7.1 水文水力计算 ································ ································ ································ ·· 18 7.2 桥涵主体结构 ································ ································ ································ ·· 18 7.3 结构性填筑区 ································ ································ ································ ·· 19 7.4 洞口构造 ································ ································ ································ ········ 21 8 地基与基础设计 ································ ····················