1 团体标准 T/GDHS 008—2023 公路桥梁预应力混凝土管桩技术规程 Code of practice for prestressed concrete pipe piles of highway bridges 2023 - 11 - 15发布 2023 - 11 - 15实施 ICS 93.040 CCS P28 广东省公路学会 发 布 全国团体标准信息平台 全国团体标准信息平台 T/GDHS 008 —2023 I 目次 前言 ................................ ................................ ................ III 引言 ................................ ................................ ................. IV 1 范围 ................................ ................................ ............... 1 2 规范性引用文件 ................................ ................................ ..... 1 3 术语和符号 ................................ ................................ ......... 2 术语 ................................ ................................ ........... 2 符号 ................................ ................................ ........... 3 4 基本规定 ................................ ................................ ........... 4 5 管桩制品 ................................ ................................ ........... 5 分类和规格 ................................ ................................ ..... 5 主要材料 ................................ ................................ ....... 6 结构和性能 ................................ ................................ ..... 7 管桩的选用 ................................ ................................ ..... 9 6 勘察 ................................ ................................ ............... 9 勘察要求 ................................ ................................ ....... 9 勘察报告 ................................ ................................ ...... 10 7 设计 ................................ ................................ .............. 10 一般规定 ................................ ................................ ...... 10 布置 ................................ ................................ .......... 10 构造 ................................ ................................ .......... 11 单桩轴向承载力 ................................ ................................ 12 单桩水平承载力 ................................ ................................ 14 持久状况承载能力极限状态计算 ................................ .................. 15 持久状况正常使用极限状态计算 ................................ .................. 18 沉降及稳定性 ................................ ................................ .. 18 耐久性设计 ................................ ................................ .... 18 8 施工 ................................ ................................ .............. 19 一般规定 ................................ ................................ ...... 19 起吊、运输和堆放 ................................ .............................. 20 施工机械 ................................ ................................ ...... 20 施工准备 ................................ ................................ ...... 22 试桩工艺验证 ................................ ................................ .. 22 锤击法沉桩 ................................ ................................ .... 22 静压法沉桩 ................................ ................................ .... 23 引孔法沉桩 ................................ ................................ .... 23 接桩、截桩与补桩 ................................ .............................. 24 9 质量检验及验收评定 ................................ ................................ 24 全国团体标准信息平台 T/GDHS 008 —2023 II 一般规定 ................................ ................................ ....... 24 生产过程质量检验 ................................ ............................... 24 施工准备质量检验 ................................ ............................... 25 施工过程质量检验 ................................ ............................... 27 成桩质量检验 ................................ ................................ ... 28 工程验收 ................................ ................................ ....... 30 附录A（规范性） 管桩桩身截面混凝土有效预压应力、抗裂弯矩、极限弯矩和抗裂剪力计算 ..... 31 A.1 桩身截面混凝土有效预