内容简介
SJG 87-2021大直径灌注桩静载试验标准
Technical Code for Static Loading Test on Large Diameter Bored Pile
2021-04-01实施
2021-01-12发布
前 言
根据《2019年深圳市工程建设标准制订、修订计划项目一览表》（深建设（2019〕40号），标准编制组经广泛调查研究，认真总结实践经验，参考有关
国际标准和国内先进标准，并在广泛征求意见的基础上，编制本标准。
本标准的主要内容是∶1.总则;2.术语和符号;3.基本规定;4.试验装置设计实施;5.单桩竖向抗压静载试验;6.单桩竖向抗拔静载试验;7.单桩水平静载试验;8.自平衡荷载试验和附录。
目次
1 总则...................................................................................................................................1
2 术语和符号.......................................................................................................................2
2.1 术语...........................................................................................................................2
2.2 符号...........................................................................................................................2
3 基本规定...........................................................................................................................4
3.1 一般规定...................................................................................................................4
3.2 反力装置...................................................................................................................5
3.3 仪器和设备性能.......................................................................................................5
3.4 测试项目和数量.......................................................................................................7
3.5 试验方案...................................................................................................................7
3.6 试验报告...................................................................................................................9
4 试验装置设计实施.........................................................................................................10
4.1 一般规定.................................................................................................................. 10
4.2 压重平台.................................................................................................................10
4.3 锚桩横梁.................................................................................................................13
4.4 压重锚桩联合.........................................................................................................14
4.5 抗拔试验.................................................................................................................15
4.6 水平试验.................................................................................................................19
4.7 自平衡试验.............................................................................................................21
5 单桩竖向抗压静载试验.................................................................................................23
5.1 一般规定.................................................................................................................23
5.2 仪器设备安装.........................................................................................................23
5.3 加卸荷与量测.........................................................................................................24
5.4 数据分析与判定.....................................................................................................25
6 单桩竖向抗拔静载试验.................................................................................................27
6.1 一般规定..................................................................................................................27