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花管注浆技术在加固既有铁路软土路基中的应用
引用本文:吴裕铭. 花管注浆技术在加固既有铁路软土路基中的应用[J]. 路基工程, 2012, 0(1): 130-134
作者姓名:吴裕铭
作者单位:沪昆铁路客运专线浙江有限责任公司,杭州 321000
摘    要:在不影响行车的情况下,采用花管注浆技术加固既有铁路路基,能有效治理地基软弱沉陷、路堤填方沉降开裂变形、路基基床翻浆冒泥等路基病害。介绍了花管注浆技术、注浆加固路基的机理和钢花管注浆的施工工艺。通过工程实例,说明在铁路提速改造工程中采用钢花管注浆技术加固既有铁路软土路基是可行的。

关 键 词:既有铁路   软土路基加固   钢花管注浆   施工工艺   沉降   轨面不平顺
收稿时间:2019-11-12

Application of Perforated Pipe Grouting Technology in Soft Subgrade Reinforcement for Existing Railway
WU Yu-ming. Application of Perforated Pipe Grouting Technology in Soft Subgrade Reinforcement for Existing Railway[J]. , 2012, 0(1): 130-134
Authors:WU Yu-ming
Affiliation:WU Yu-ming(Shanghai-Kunming Railway Passenger Dedicated Line Zhejiang Co.,Ltd.,Hangzhou 321000,China)
Abstract:On the condition of not affecting train operation,perforated pipe grouting technology is used to reinforce the existing railway subgrade,which can effectively govern subgrade failures,such as soft subgrade settlement,embankment settlement and cracking,and mud-pumping.The technology of perforated pipe grouting,the mechanism of subgrade reinforcement by grouting,and the process of perforated steel pipe grouting are introduced.Through engineering practice,the perforated steel pipe grouting used for soft subgrade reinforcement is proved to be feasible in railway speed-raising and improvement project.
Keywords:existing railway  soft subgrade reinforcement  perforated steel pipe grouting  construction process  settlement  track irregularity
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