- 摘 要
-
( 中国电力工程顾问集团华东电力设计院有限公司, 上海 200063)
[摘要]通过GRLWEAP程序计算分析了锤垫、桩垫的刚度及厚度对打桩过程的影响,并总结得到了相关规律,可为电力工程沉桩可行性分析评价提供重要参考依据。结合工程实例,利用GRLWEAP程序在沉桩前进行沉桩可行性研究,选定打桩系统、预估基桩沉桩过程参数、判定沉桩难易程度,使沉桩工作顺利开展,实践证明该方法是必要且有效的。
[关键词]PHC桩; GRLWEAP; 打桩系统; 桩垫; 锤垫
中图分类号:TU473 文献标识码:A 文章编号:1002-848X(2015)08-0080-05
Selection of pile driving system and pile sinking feasibility evaluation research by
GRLWEAP Softwcore
Sun Yazhe, Zhang Jianlong, Hu Jun, Zhou Lihong, Yang Xueling
(East China Electric Power Design Institute Ltd., China Power Engineering Consulting Group, Shanghai 200063, China)
Abstract:The effects of thickness and stiffness of pile cushion and hammer cushion on pile driving process were analyzed by GRLWEAP software, and the related laws were summarized, which provided important reference for feasibility evaluation of pile sinking in electric power engineering. Combining with practical engineering project, feasibility research on pile sinking was carried out by GRLWEAP before pile sinking, with selection of pile driving system, estimation of the parameters in the process of pile sinking, determination of the difficulty of pile sinking, to make the pile sinking work smoothly. Practice proved that the method was necessary and effective.
Keywords:prestressed highintensity concrete pile; GRLWEAP; pile driving system; pile cushion; hammer cushion
作者简介:孙亚哲,硕士,高级工程师,Email:ultro@sina.com。
参考文献
[1]阮起楠. 预应力混凝土管桩[M]. 北京:中国建材工业出版社,2000.
[2]王国辉,周文龙. PHC管桩穿越软弱夹层桩身破损及施工对策[J].施工技术,2009, 38(9):9597.
[3]吕黄,谭德银,陈立鹏. 基桩可打性分析与全程动测监控理论在码头工程中的应用[J].水运工程,2011(3):159163.
[4]DEWAIKAR D M, CHORE H S, SALIMATH R S, et al. Pile driveability analysis using GRLWEAP [J]. Indian Geotechnical Journal, 2009, 39(2): 227239.
[5]黄建川. 海洋平台桩基的打桩分析[D].天津:天津大学,2010.
[6]龚维明,蒋永生,穆保岗,等.某海洋平台钢管桩可打性分析[J]. 岩土工程学报,2000, 22(2):227230.
[7]刘永峰.用波动方程法选择桩锤和打桩系统[J].中国港湾建设,2002(3):3336