桥梁建设
橋樑建設
교량건설
BRIDGE CONSTRUCTION
2009年
z2期
1-6
,共6页
桥梁基础%桩基础%竖向承载力%自平衡试桩法%静载试验%高应变法%综述
橋樑基礎%樁基礎%豎嚮承載力%自平衡試樁法%靜載試驗%高應變法%綜述
교량기출%장기출%수향승재력%자평형시장법%정재시험%고응변법%종술
bridge foundation%pile foundation%vertical bearing capacity%pile self-balanced load test method%static load test%high strain method%overview
如何合理地确定基桩的承载力,具有重要的工程实际意义和经济价值.用什么方法确定基桩的承载力,一直是桥梁工程界十分关心的问题.国内得到广泛应用的基桩承载力检测方法有静载试验、高应变法和自平衡试桩法,各种检测技术的优缺点不同、适用性也不尽相同.近年来,随着桥梁工程桩基朝着大直径、大吨位、超长桩方向的不断发展,自平衡试桩法已逐渐成为大吨位、困难环境条件下基桩竖向承载力试验首选的检测方法.
如何閤理地確定基樁的承載力,具有重要的工程實際意義和經濟價值.用什麽方法確定基樁的承載力,一直是橋樑工程界十分關心的問題.國內得到廣汎應用的基樁承載力檢測方法有靜載試驗、高應變法和自平衡試樁法,各種檢測技術的優缺點不同、適用性也不儘相同.近年來,隨著橋樑工程樁基朝著大直徑、大噸位、超長樁方嚮的不斷髮展,自平衡試樁法已逐漸成為大噸位、睏難環境條件下基樁豎嚮承載力試驗首選的檢測方法.
여하합리지학정기장적승재력,구유중요적공정실제의의화경제개치.용십요방법학정기장적승재력,일직시교량공정계십분관심적문제.국내득도엄범응용적기장승재력검측방법유정재시험、고응변법화자평형시장법,각충검측기술적우결점불동、괄용성야불진상동.근년래,수착교량공정장기조착대직경、대둔위、초장장방향적불단발전,자평형시장법이축점성위대둔위、곤난배경조건하기장수향승재력시험수선적검측방법.
How to rationally determine the bearing capacity of foundation piles is of important practical engineering significance and economic values. What exact methods should be used for determining the bearing capacity of the piles has been very much the concern in bridge engineering circle and the methods having been widely used for inspection of the bearing capacity of the piles at home include the static load test method, high strain method and pile self-balanced load test method. The advantages and disadvantages of these methods are quite different and their adaptability is not all the same. In the recent years, with the steady development of the bridge foundation piles towards the large diameter, large tonnage and very long length, the pile self-balanced load test method has gradually become the firstly selected method for inspection of the vertical bearing capacity of the foundation piles that are of large tonnage and that are to be inspected under difficult conditions.
