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