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Application of Self-balancing Test Pile Method in Determining Single Pile's Bear- ing Capacity of Cast-in-place Bored Piles
Pages: 15-17,71
Year: Issue:  2
Journal: Geotechnical Investigation & Surveying

Keyword:  自平衡试桩法 钻孔灌注桩 竖向承载性状;
Abstract: 本文采用自平衡试桩法对北京地铁十号线光华路站深层混凝土灌注桩单桩竖向抗压承载力进行了静载试验,试桩数量为4根,其中有3根试桩桩侧、桩底采用了后压浆技术,并对有无后压浆试桩的承载力性状进行了对比分析,这也是北京地区首次对这类深层混凝土灌注桩单桩竖向抗压承载力进行自平衡试桩法静载试验,本次试验的成功为本地区积累了宝贵的经验,并为今后砂卵石层桩的极限承载力设计提供了参考依据。
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