樁底壓漿灌注樁承載力計(jì)算
龔維明 施明征 孫 遜
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龔維明 施明征 孫 遜
（東南大學(xué) 南京 210096）[提要] 對樁底壓漿灌注樁在各種地質(zhì)條件下的工作機(jī)理進(jìn)行了分析，利用靜載試樁結(jié)果，統(tǒng)計(jì)出單樁承載力壓漿較未壓漿其承載力提高的范圍，給出了該樁承載力計(jì)算建議公式。
[關(guān)鍵詞] 灌注樁 壓漿 承載力Grouting at the piles bottom is one effective method to improve the bearing capacity of cast-in-place pile. The working mechanism is analyzed under different soil conditions. By using static load testing results, imporvel value of bearing capacity with grouting over non-grounting is calculared. The author suggests a formula to calculate the bearing capacity for this kind of pile.
Keywords: cast-in-place pile; grounting; bearing capacity
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