边界问题及其对真空预压的影响
摘要:给出了真空预压区四周开敞式与封闭式边界定义、两者的不同，分析了开敞式边界加固效果优于封闭式边界的原因并以三个实例说明之，给出如何将封闭式转化为开敞式的方法；柔性与刚性密封膜同样可构成开敞式与封闭式边界，讨论了此时两种边界下差别；给出了密封墙和支挡墙的定义、功能、应用范围；讨论了水泥搅拌与旋喷桩单体墙与格栅墙的定义、功能、应用范围，前者只能作为密封墙，后者既可作密封墙也可作支挡墙。
Abstract:In this paper, the definitions of open and closed boundary are presented firstly. The differences of both are discussed. Through three samples,the reason for open type boundary being better than closed boundary in reinforced effect is analyzed. Then,it is shown how to convert closed boundary into open boundary. Secondly, it is present that the flexible and rigid sealing membrane can also made up open and closed boundary. The differences of both are discussed. Thirdly, the definitions of sealing wall and the retaining wall, the function and application scope are given. Finally, the cement wall and the geogrid wall forming by cement mixing pile and jet grouting pile are introduced respectively. Through discussing their definition, function and application scope, the former is only as sealing wall, and the latter is not only as sealing wall but also as retaining wall.
中文标题：
边界问题及其对真空预压的影响
Boundary Problem and Its Influence to Vacuum Preloading
作者：
高志义,冯军
Gao Zhiyi,Feng Jun
作者简介:高志义,1939年生,男,河南开封人,毕业于天津大学港口建筑专业,教授级高级工程师,主要从事土力学与地基基础方面的试验研究与设计工作。E-mail:ctjgzy@163.com
通讯地址：
中交天津港湾工程研究院有限公司 港口岩土工程技术交通行业重点试验室 天津市港口岩土工程技术重点试验室, 天津 300222
CCCCTianjinPortEngineeringInstituteCo.,Ltd,KeylaboratoryofPortGeotechnicalEngineeringoftheMinistryofCommunication,KeylaboratoryofPortGeotechnicalEngineeringofTianjin,Tianjin300222,China
中图分类号:TU470
doi:10.3969/j.issn.1007-2993.2014.05.008
出版物：岩土工程技术
收稿日期:2014-03-11
网络出版日期:2021-07-19
关键词:开敞式边界,封闭式边界,柔性与刚性膜,密封墙,支挡墙,真空预压
Key words:open boundary,closed boundary,flexible and rigid sealing membrane,sealing wall,retaining wall,vacuum preloading
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