基于欧标体系的打入桩停锤标准的确定方法*
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南方海洋科学与工程广东省实验室(珠海)河口海岸与岛礁工程创新团队建设项目(311020009)


Determination method of driving stop criterion for driven piles based on Euro codes
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    摘要:

    针对复杂地质条件下如何确定合理可靠的打入桩停锤标准问题,研究基于欧标体系的打入桩停锤标准的确定方法。依托某码头工程,采用高应变打桩监控和静载试验相结合的方法,建立极限承载力与贯入度的对应关系,并最终确定用于指导该工程打入桩施工的停锤标准。结果表明:基于欧标体系确定的打入桩停锤标准以承载力是否满足设计要求为准则,标准可靠性高。

    Abstract:

    Aiming at the problem of how to determine a reasonable and reliable driving stop criterion for driven piles under complex geological conditions,the determination method of driving stop criterion for driven piles based on Euro codes is studied. Relying on a certain wharf project,using a combination of high-strain dynamic pile monitoring and static load testing,the corresponding relationship between the ultimate bearing capacity and penetration/pile tip elevation is established,and finally the driving stop criterion is determined to guide the construction of the project’s pile driving. The results show that the driving stop criterion for driven piles determined based on Euro codes is based on whether the bearing capacity meets the design requirements,and the reliability of the criterion is high.

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苏世定,徐 雄,杨 黎,等.基于欧标体系的打入桩停锤标准的确定方法*[J].水运工程,2021(11):203-207.

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  • 在线发布日期: 2021-11-09
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