期刊论文

Internal Force Testing of Pile Shaft and Load Transfer Characteristics for Prestressed Pipe Pile Embedded with Hammering Method

中文

铁道勘察

1672-7479

2023

49

01

63-67+78

10.19630/j.cnki.tdkc.202203210004

51878671:国家自然科学基金 51678575:国家自然科学基金 20C0821:湖南省教育厅科学研究项目

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锤击预应力管桩桩身量测元件埋设难度大、成活率低,限制了通过现场试验对预制管桩桩基设计参数、桩基受力性能的深入研究。为解决这一难题,对比分析已有预制桩桩身量测元件埋设方法,针对锤击预应力管桩的成桩特点,提出一种新型应变计埋...展开更多 锤击预应力管桩桩身量测元件埋设难度大、成活率低,限制了通过现场试验对预制管桩桩基设计参数、桩基受力性能的深入研究。为解决这一难题,对比分析已有预制桩桩身量测元件埋设方法,针对锤击预应力管桩的成桩特点,提出一种新型应变计埋设工艺,并在某高速铁路路基工程中实施了6根试验桩(共188个应变计),成活率达到90%。结合桩基的静载试验,实测不同荷...

It is difficult to embed the measuring elements for hammering prestressed concrete pipe-piles.The survival rate for the measuring elements is low,which limits the in-depth study of the design parameters and the mechanical properties of the foundation by field test.To so...MORE It is difficult to embed the measuring elements for hammering prestressed concrete pipe-piles.The survival rate for the measuring elements is low,which limits the in-depth study of the design parameters and the mechanical properties of the foundation by field test.To solve this problem,a method and technique of installin...