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3.13 打桩分析仪(PDA) 规范说明:人们无法事先断言某一现场不会有问题或不存在争论,因此,不能说在桩基工程中动态监测不会有帮助或不需要。因之动态监测应考虑用于所有的桩基工程,所有的桩基承包合同应包括不使用或仅在某一有限范围内使用动测的条款。 1、用PDA对打桩进行动力检测[必须][可以]用在[初打(10根)桩和复打(10根)桩的全部桩数15％]:测试桩由[工程师]选择和指挥作业。 2、动测用来确定桩锤性能,各桩所发挥的承载力及确定初打、复打所要求的最终贯入度。 3、承包人应通力合作以保证坚决执行各选定桩的施工程序并提供各种方便和帮助使检测公司得以完成任务。
3.13 Piling Analyzer (PDA) Specification Description: People cannot pre-argument that there will be no problem or controversy on a site. Therefore, it cannot be said that dynamic monitoring in a pile foundation project will not be helpful or unnecessary. Therefore, dynamic monitoring should be considered for all pile foundation projects, and all pile foundation contracts should include provisions that do not use or only use motion measurements within a limited range. 1. Dynamic testing of piling with PDA [MUST] [could] be used for [15% of the total number of piles in [first (10) piles and multiple (10) piles]: the test pile is selected and commanded by [engineer] operation. 2. The dynamic test is used to determine the performance of the pile hammer, the bearing capacity exerted by each pile, and the final penetration required for the initial and repeated play. 3. The contractor shall cooperate fully to ensure that the construction procedures of the selected piles are firmly implemented and that various conveniences and assistance are provided to enable the testing company to complete the tasks.