滨海盐渍土地基灌注桩承载性状试验研究.pdfVIP

16卷6期 自 然 灾 害 学 报 Vo1．16，No．6 2007年12月 JOURNAL OF NATURAL DISASTERS Dec．2O盯 文章编号：1004．4574(2007)06·0160·05 滨海盐渍土地基灌注桩承载性状试验研究 王安明 ，李彰明。，黄志全 ，杨春和 (1．中国科学院武汉岩土力学所，湖北武汉430071；2．华北水利水电学院，河南郑州450011； 3．广东工业大学岩土工程技术开发中心，广东广州510643) 摘要：结合滨海盐渍土地基嵌岩灌注桩竖向静载试验，对桩身轴力传递、桩周围盐渍土层岩层侧摩阻 力发挥性状以及桩端阻力变化规律进行了分析，讨论了对受施工质量影响的2 试验桩桩身轴力传递 规律和侧阻力发挥性状的异常情况，所得结果可供滨海盐渍土地基桩基工程的设计、施工和检测工作 参考。 关键词：滨海盐渍土；灌注桩；竖向抗压静载试验；侧摩阻力；桩端阻力 中图分类号：TU475 ．9 文献标识码：A Tpst study on load-bearing characteristic of cast-in-place pile in seashore’S salinized soil ground WANG An．ming ，LI Zhang．ming ，HUANG Zhi．quan ，YANG Chun．he (1．Institute of rock and soil mechanics；Chinese Academy of Sciences，Wuhan 430071，China；2．North China Institute ofWater Conservancy and Hydroesectric Power，Zhengzhon 450011，China；3．Development Center of Geotechnical Engineering Technology， Guangdong University ofTechnology，Guangzhon 510643，China) Abstract：In combination with vertical static load test of rock．socketed cast．in．place pile in seashore~salinized soil ground，the bearing capacity behavior，axial force transfer mechanism，lateral frictional resistance of salinized soil／ rock around the pile and end resistance are analyzed．The axial force transfer characteristics and the effect oflateral friction of No．2 test pile which iS under the influence of construction are discussed．These can give a refevence to the design，construction and test study of pile foundation engineering in seashore salinized soil area． Keywords：seashore salinized soil；cast·in·situ pile；vertically static compression test；lateral friction resistance； end bearing resistance 随着我国经济的发展，作为国家支柱产