水运工程
水運工程
수운공정
PORT & WATERWAY ENGINEERING
2014年
1期
163-167
,共5页
横向承载桩%桩土相对刚度%土体弹塑性%嵌固深度
橫嚮承載樁%樁土相對剛度%土體彈塑性%嵌固深度
횡향승재장%장토상대강도%토체탄소성%감고심도
lateral loaded pile%pile-soil relative stiffness%soil elastic-plastic%embedded depth
高桩码头结构计算时可以先把基桩在某深度处固定进行上部结构计算,再把计算的桩顶内力作为荷载施加到桩上进行桩-土相互作用分析。理论上讲,以简化前后的桩顶水平位移相等为条件确定嵌固点位置最为合理,但实际中难以实现。结合现场试桩资料,深入分析了超长桩在水平荷载作用下的嵌固特性,提出了嵌固深度随荷载变化的经验计算公式,实例计算结果表明效果良好。
高樁碼頭結構計算時可以先把基樁在某深度處固定進行上部結構計算,再把計算的樁頂內力作為荷載施加到樁上進行樁-土相互作用分析。理論上講,以簡化前後的樁頂水平位移相等為條件確定嵌固點位置最為閤理,但實際中難以實現。結閤現場試樁資料,深入分析瞭超長樁在水平荷載作用下的嵌固特性,提齣瞭嵌固深度隨荷載變化的經驗計算公式,實例計算結果錶明效果良好。
고장마두결구계산시가이선파기장재모심도처고정진행상부결구계산,재파계산적장정내력작위하재시가도장상진행장-토상호작용분석。이론상강,이간화전후적장정수평위이상등위조건학정감고점위치최위합리,단실제중난이실현。결합현장시장자료,심입분석료초장장재수평하재작용하적감고특성,제출료감고심도수하재변화적경험계산공식,실례계산결과표명효과량호。
The structural calculation of high pile wharf could starts with the upper structure calculation by fixing the pile at a certain depth, and is followed by the analysis of pile-soil interaction by applying the calculation of internal force as a load to the pile. In theory, the most reasonable location for the embedded point can be identified under the condition that the horizontal displacement of pile top equals before and after simplification, but in practice it is difficult to achieve. Combining with the data of the field loading test, this paper conducts an extended analysis of the embedding characteristics of the super-long piles under the horizontal load and puts forward the experience formula of the embedded depth which changes with load. Calculation results show that the effect is satisfactory.