大西客运专线晋陕黄河特大桥主墩深水基础锁口钢管桩围堰设计与检算  

Design and Check Calculation for the Main Piers of Deep Foundation Locked Mouth Steel Pipe Pile Cofferdam of the Super-large Bridge Crossing Yellow River on Datong-Xi'an PDL

作　　者：孙鸿飞 张飞 

机构地区：[1]中铁上海工程局第一工程有限公司,安徽芜湖241000

出　　处：《铁道标准设计》2011年第B12期71-74,共4页Railway Standard Design

摘　　要：随着我国经济的发展和基础设施建设规模的扩大,深基坑支护技术日益发展和不断成熟。锁口钢管桩围堰支护以其安全性能好、施工便捷及能适应各种复杂施工环境在工程实践中的运用越来越广泛。通过大西铁路客运专线晋陕黄河特大桥主河槽深水区承台施工采用锁口钢管桩围堰为例,系统阐述了利用Midas程序对锁口钢管桩围堰进行结构设计和检算过程,以及锁口钢管桩在本工程中的实际运用效果情况,为今后类似工程条件的深水基坑围堰设计与检算提供了借鉴经验。With the development of national economy and the expansion in the scale of infrastructure construction,deep foundation pit supporting technology has been developed and became mature.Locked mouth steel pipe pile cofferdam features good performance,convenient construction and adaptability to all kinds of complicated construction environment,has been spred more and more widely.This article takes as example the locked mouth steel pipe pile cofferdam for the bearing platform of deep water foundation of the Yellow River super-large bridge on Datong-Xi＇an PDL,descibes the calculating process of the system by using Midas program and the actual application effect of the system.

关 键 词：铁路桥 深水基础 钢管桩围堰 设计 检算 

分 类 号：U445.556[建筑科学—桥梁与隧道工程]