《钢管满堂支架预压技术规程》

UDC

中华人民共和国建工行业标准

JG JG/T194—2009 P 钢管满堂支架预压技术规程

Specifications for preloading technique in full scaffold construction

××××-××-××发布 ××××-××-××实施

中华人民共和国住房和城乡建设部发布

前 言

根据中华人民共和国住房和城乡建设部建标[2008]102号文的要求，标准编制组经广泛深入调查研究，认真总结实践经验，参考相关标准，并在广泛征求意见的基础上，通过反复讨论、修改和完善，制定了本规程。

本规程的主要技术内容包括：1.总则；2.术语；3.基本规定；4.预压荷载；5.地基；6.支架预压；7.预压监测；8.预压验收。

本规程由住房和城乡建设部负责管理工作，由主编单位负责具体技术内容的解释。

本规程主编单位：宏润建设集团股份有限公司（地址：上海市龙漕路200弄28号宏润大厦；邮编：200235）。

本规程参编单位：同济大学、上海市城市建设设计研究院、宁波市市政公用工程安全质量监督站、天津市市政公路工程质量监督站、西安市市政设计研究院、广州市市政工程机械施工有限公司。

本规程主要起草人：李涵军、钱寅泉、吴 冲、陆元春、周震雷、张宝林、杜百计、胡震敏、陈达文、项培林、訾建峰、蔡慧静、侯宁、张衡汇、庄国强、葛海峰。

本规程主要审查人：

目 次

1 2 3 4

总 则 ............................................................................................................. 1 术 语 ............................................................................................................. 2 基本规定 ....................................................................................................... 3 预压荷载 ....................................................................................................... 4 4.1 4.2 5

地基预压荷载............................................................................................. 5 支架预压荷载............................................................................................. 5

地 基 ............................................................................................................. 5 5.1 5.2

地基要求..................................................................................................... 6 地基预压..................................................................................................... 6

6 支架预压 ....................................................................................................... 6 6.1 6.2 6.3 6.4

一般规定..................................................................................................... 7 支架要求..................................................................................................... 7 加载与卸载................................................................................................. 7 预压安全措施............................................................................................. 7

7 预压监测 ....................................................................................................... 8 7.1 7.2 7.3

观测内容..................................................................................................... 9 测点布置..................................................................................................... 9 监测记录................................................................................................... 10

8 预压验收 ...................................................................................................... 10 8.1 8.2

验收条件................................................................................................... 11 验收标准................................................................................................... 11

附录A 沉降观测表 ............................................................................................. 12 本规程用词说明 .................................................................................................. 16 引用标准名录 ..................................................................................................... 17

Contents

1 GENERAL ............................................................................................................ 1 2 TERMS ............................................................................................................... 2 3 GENERAL RULES ................................................................................................. 3 4 DETERMINATION OF PRELOAD ........................................................................... 4

4.1 FOUNDATION PRELOAD ................................................................................... 5 4.2 SCAFFOLD PRELOAD ......................................................................................... 5 5 FOUNDATION ..................................................................................................... 5

5.1 REQUIREMENTS FOR FOUNDATION ................................................................. 6 5.2 FOUNDATION PRELOADING ............................................................................. 6 6 SCAFFOLD PRELOADING ..................................................................................... 6

6.1 RANGE OF PRELOADING .................................................................................. 6 6.2 REQUIREMENTS FORSCAFFOLD ....................................................................... 7 6.3 LOADING AND UNLOADING ............................................................................. 7 6.4 SAFETY MEASURES DURING PRELOADING ....................................................... 7 7 MONITORING OF PRELOADING ........................................................................... 8

7.1 MONITORING CONTENTS ................................................................................. 9 7.2 MEASURING POINTS ARRANGEMENT.............................................................. 9 7.3 RESULT RECORDING ....................................................................................... 10 8 ACCEPTANCE ..................................................................................................... 10

8.1 ACCEPTANCE REQUIREMENTS ....................................................................... 11 8.2 ACCEPTANCE STANDARD ................................................................................ 11 ANNEX A TABLES FOR SETTLEMENT OBSERVATION ............................................ 11 EXPLANATION OF PHRASEOLOGY ......................................................................... 14 QUOTATION ········································································································ 15

1

总 则