- 1、本文档共38页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
5 Inspection and Acceptance
5.1 Piles check
5.1.1 PCC Pile quality inspection should include drilling, concrete mixing and perfusion inspection process,nd fill in the following provisions should be the quality of inspection records:
1 Concrete mixing should measure quality of raw materials, concrete mix, slump, concrete strength inspection;
2 Immersed tube should be checked before setting out piles bit error;
3 Immersed immersed tube should be checked before the vertical,Immersed tube should be checked before the final hole last 30s of the current, voltage;
4 Before the pouring of concrete Response to vertical hole, hole depth, hole bottom mud to inspect;
5 Should check the amount of concrete pouring and filling factor、pile top elevation and speed of vibration。
5.1.2 PCC pile top elevation, pile length, pile position, vertical deviation, coefficient of concrete filling, concrete strength, speed, extubation should check the provisions of Table, and Appendix B of this Regulation shall be the requirements of Table B good records.
Table 5.1.2 PCC Pile quality inspection standard
Preface Inspection Items Allow the value of tolerance Inspection methods 1 Pile length +300mm
0mm Test pile length, check construction records 2 Concrete strength Design requirements Specimen sample inspection report, or cut 3 Concrete filling coefficient ≥1.1 Check each pile recorded the actual perfusion 4 Pile ±200mm Check after excavation measuring tape 5 Vertical 1% Theodolite or line pipe vertical pile hammer test 6 Pile top elevation +30mm
-50mm Level examination, will be deducted top of the pile layer and the poor quality pulp floating pile 7 Extubation rate Soft soil 0.8m/min
0.6m/min Increase in distance and time measurement head Other soil 1.2m/min
1.0 m/min
5.1.3 Each class should be retained for each group of concrete block not less than 3。
5.2Quality pile testing
5.2.1 Should be excavated in the pile after pile core soil 14d,Observed pile wall molding quality
文档评论(0)