安徽省地方标准《先张法预应力混凝土管桩基础技术规程》(DB34 5005-2014)报批版2014-5-7

安徽省铜陵市建设工程质量监督站 国家电网安徽省电力设计院 合肥工大建设监理有限责任公司 合肥工业大学岩土工程勘察设计研究院 冶金工业部华东勘察基础总公司 合肥市建筑工程施工图审查中心 合肥国仓管桩预制品有限公司 安徽省合肥恒华管桩有限公司

本规程主要起草人：郭 杨 杨成斌 陈芳斌 朱 华 吴春萍 傅国平 王祁青 王元曦 王章虎 何仕英 李 伟 孔令奎 杨少华 黄文斌 孙金标 吴春萍 本规程主要审查人员：钱力航 刘松玉 张 雁刘 超 曾新云 宣善宏 陈 巧 倪世元 崔 伟 汪岩松 吴国仓

朱兆晴 姚志钢项炳泉 王学松

李国方 陈万立 翟光南 柯宅邦

李 强 吴朝晖

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目 次

1 总 则 ......................................................................................................................................................... 1 2 术语和符号 ............................................................................................................................................... 2

2.1 术语 ................................................................................................................................................ 2 2.2 主要符号 ........................................................................................................................................ 3 3 地基勘察 ................................................................................................................................................... 5 4 管桩制作、规格和质量要求 ................................................................................................................... 6

4.1 原材料 ............................................................................................................................................ 6 4.2 管桩分类 ........................................................................................................................................ 8 4.3 管桩构造要求 ................................................................................................................................ 8 4.4 生产工艺 ........................................................................................................................................ 9 4.5 质量要求 ...................................................................................................................................... 10 5 管桩基础设计 ......................................................................................................................................... 12

5.1 一般规定 ...................................................................................................................................... 12 5.2 桩基计算 ...................................................................................................................................... 14 5.3 构造要求 ...................................................................................................................................... 20 6 管桩基础施工 ......................................................................................................................................... 22

6.1 一般规定 ...................................................................................................................................... 22 6.2 管桩的起吊、运输和堆放 .......................................................................................................... 23 6.3 管桩的连接 .................................................................................................................................. 24 6.4 静压法沉桩施工 .......................................................................................................................... 25 6.5 锤击法沉桩施工 .......................................................................................................................... 26 7 管桩基础的检验和验收 ......................................................................................................................... 28

7.1 一般规定 ...................................................................................................................................... 28 7.2 施工前检验 .................................................................................................................................. 28 7.3 施工过程检验 .............................................................................................................................. 29 7.4 施工后检验 .................................................................................................................................. 30 7.5 工程质量验收 .............................................................................................................................. 33 附录A 管桩的规格尺寸技术参数表 ....................................................................................................... 34 附录B 静压桩机参数表 ........................................................................................................................... 36 附录C 柴油锤重选择参考表 ................................................................................................................... 38 附录D 管桩桩尖规格及构造图 ............................................................................................................... 39 附录E 静压沉桩施工记录表.................................................................................................................... 42 附录F 锤击沉桩施工记录表 .................................................................................................................... 43 本规程用词说明 ........................................................................................................................................... 44 附：条文说明 ............................................................................................................................................... 45

Contents

1 General Rules ............................................................................................................................................ 1 2 Nomenclature and denotation .................................................................................................................... 2

2.1 Nomenclature ................................................................................................................................. 2 2.2 Main denotation .............................................................................................................................. 3 3 Foundation investigation ........................................................................................................................... 5 4 Production,standard and quality requirements of pipe pile ....................................................................... 6

4.1 Raw material .................................................................................................................................. 6 4.2 Classification of pipe pile ............................................................................................................... 8 4.3 Detailing requirements of pipe pile ................................................................................................ 8 4.4 Production technology of pipe pile ................................................................................................ 9 4.5 Quality requirements .................................................................................................................... 10 5 Design of pipe pile poundation ............................................................................................................... 12

5.1 General provisions ........................................................................................................................ 12 5.2 Design and calculation of pipe pile foundation ............................................................................ 14 5.3 Detailing requirements ................................................................................................................. 20 6 Construction of pipe pile foundation ....................................................................................................... 22

6.1 General provisions ........................................................................................................................ 22 6.2 Lift,transport and stack of pipe pile .............................................................................................. 23 6.3 Connecting of pipe piles ............................................................................................................... 24 6.4 Construction of static pressure pile-sinking ................................................................................. 25 6.5 Construction of hammer pile-sinking ........................................................................................... 26 7 Test and acceptance of pipe pile poundation .......................................................................................... 28

7.1 General provisions ........................................................................................................................ 28 7.2 Test before construction ............................................................................................................... 28 7.3 Test of construction ...................................................................................................................... 29 7.4 Test after construction .................................................................................................................. 30 7.5 Acceptance of construction quality .............................................................................................. 33 Appendix A Table of product dimension and technical parameter ............................................................. 34 Appendix B Parameter table of hydrostatic pressure pile driver ................................................................ 36 Appendix C Reference table of weight choice of diesel hammer .............................................................. 38 Appendix D Standard of pipe pile toe and constructional drawing ............................................................ 39 Appendix E Construction Record table of static pressure pile-sinking ...................................................... 42 Appendix F Construction Record table of hammer pile-sinking ................................................................ 43 Explanation to the use of word in the specification ...................................................................................... 44 Explanation to clauses ................................................................................................................................... 45

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