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Study on rock-socketed PHC pile foundation by test
Pages: 31-36
Year: Issue:  11
Journal: Geotechnical Investigation & Surveying

Keyword:  PHC桩 嵌岩 对比试验 岩土工程勘察;
Abstract: 工程领域采用的PHC桩基多以粘性土、砂性土层为持力层,文中给出了在复杂中软土地基条件下,以风化岩为持力层,进行PHC桩嵌岩试验的工程实例。通过沉桩试验、高应变动测、静载荷试验等,综合讨论了PHC桩实施嵌岩的可行性,总结分析了岩土工程勘察的侧重点,提出了加强桩身强度、优化桩靴设计和控制沉桩锤击力等措施确保嵌岩桩身质量的一些认识。
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