电力勘测设计
電力勘測設計
전력감측설계
ELECTRIC POWER SURVEY
2015年
z1期
49-53
,共5页
孙亚哲%高倚山%张建龙%胡钧
孫亞哲%高倚山%張建龍%鬍鈞
손아철%고의산%장건룡%호균
PHC桩%先硬后软%GRLWEAP%高应变动力检测%拉应力
PHC樁%先硬後軟%GRLWEAP%高應變動力檢測%拉應力
PHC장%선경후연%GRLWEAP%고응변동력검측%랍응력
PHC pile%hard-soft%GRLWEAP%high strain dynamic testing%tension stress
通过GRLWEAP软件对穿越先硬后软场地工况的PHC桩进行沉桩可行性分析,同时在工程现场开展高应变打桩监测试验。研究发现当硬土层和软土层土阻力相差较大且软弱土层相对较厚时,引孔加静力压桩是最为行之有效的施工方法,可以将坏桩率降到最低。
通過GRLWEAP軟件對穿越先硬後軟場地工況的PHC樁進行沉樁可行性分析,同時在工程現場開展高應變打樁鑑測試驗。研究髮現噹硬土層和軟土層土阻力相差較大且軟弱土層相對較厚時,引孔加靜力壓樁是最為行之有效的施工方法,可以將壞樁率降到最低。
통과GRLWEAP연건대천월선경후연장지공황적PHC장진행침장가행성분석,동시재공정현장개전고응변타장감측시험。연구발현당경토층화연토층토조력상차교대차연약토층상대교후시,인공가정력압장시최위행지유효적시공방법,가이장배장솔강도최저。
PHC pile driven through hard—soft conditions was analyzed by GRLWEAP. The high strain monitoring test was also carried out. The research found that when the soil resistance difference of the hard soil layer and soft soil layer is large and soft soil layer is relatively thick, drilling holes and static pile driving is the most effective way and can minimize the rate of bad pile.