山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2011年
28期
68-69
,共2页
钻孔灌注桩%桩端后压浆%砂层%承载力
鑽孔灌註樁%樁耑後壓漿%砂層%承載力
찬공관주장%장단후압장%사층%승재력
cast-in-place bored pile%pile-end post-grouting%sand bed%bearing capacity
通过具体工程,详细分析了灌注桩桩端为砂层情况下后压浆对提高桩端承载力和侧阻力,改善灌注桩荷载传递性能,提高灌注桩的综合承载力起到的重要作用,并对桩端注浆提高灌注桩单桩承载力的作用机理及桩端后注浆设计的优化方法进行了深入探讨。
通過具體工程,詳細分析瞭灌註樁樁耑為砂層情況下後壓漿對提高樁耑承載力和側阻力,改善灌註樁荷載傳遞性能,提高灌註樁的綜閤承載力起到的重要作用,併對樁耑註漿提高灌註樁單樁承載力的作用機理及樁耑後註漿設計的優化方法進行瞭深入探討。
통과구체공정,상세분석료관주장장단위사층정황하후압장대제고장단승재력화측조력,개선관주장하재전체성능,제고관주장적종합승재력기도적중요작용,병대장단주장제고관주장단장승재력적작용궤리급장단후주장설계적우화방법진행료심입탐토。
Through specific engineering,it specifically analyzes the significant role for the bored pile in case of sand bed of pile-end,such as improving the pile-end bearing capacity and lateral resistance,improving bored pile loading transmission performance,and enhancing the comprehensive bearing capacity of bored pile.In the end,it explores the action mechanism for pile-end grouting to improve single bored pile bearing capacity and the optimization of pile-end post-grouting design.
