基于ADINA的桩基荷载-沉降全过程计算.pdfVIP

学兔兔 第27卷 第1期 建筑科学与工程学报 Vo1．27 NO．1 2010年 3月 Journal 0f Architecture and Civil Engineering Mar．201O 文章编号：1673—2049(2010)01 0031—05 基于ADINA的桩基荷载一沉降全过程计算 宋 兵 。，蔡 健 (1．华南理工大学 土木与交通学院，广东 广州 510641；2．广州市建筑科学研究院，广东 广州 510440) 摘要：对桩基计算理论进行了概括，介绍了利用ADINA软件进行桩基荷载一沉降全过程计算的方 法和步骤，探讨了几个主要参数对计算结果的影响；对2根试验桩进行了内力测试，并利用ADINA 软件模拟了荷载一沉降全过程，得出了不同土层桩侧摩阻力的变化规律，并与实测值进行了对比；分 析了ADINA计算系统的优势及不足，提出了使计算更符合实际的改进方向。结果表明：ADINA 计算结果与实测结果吻合良好，可对桩基础进行优化设计。 关键词：ADINA；荷载一沉降；有限元分析；桩侧摩阻力；内力测试 中图分类号：TU437．1 文献标志码：A Caiculation of Load-settlement W hole Process for Pile Foundation Based on ADINA SONG Bing ，CAI Jian (1．School of Civil Engineering and Transportation，SouthChina University of Technology，Guangzhou 510641， Guangdong，China；2．Guangzhou Institute of Building Science，Guangzhou 510440，Guangdong，China) Abstract：The calculation theories of pile were summarized． The calculation methods and procedures of load—settlement whole process were introduced．Several main calculation parameters and their influences on the results were discussed．The load—settlement whole process of two testing piles were simulated by using ADINA software，and the changing rules of pile skin friction for different soils were obtained．The values of side soil resistance of different soil sections were calculated and compared with testing values． The superiority and shortage of ADINA calculation system were analyzed and the way for improving ADINA calculation was put forward．The results show that the calculated results agree well with the measured resuIts for ADINA，and the optimizing design is made for