高速挡土墙工程探讨论文解决方案.doc

 PAGE \* MERGEFORMAT I 摘 要 ? 铁路是国家重要基础设施，同时铁路建设水平也反映整个国民经济的发展水平。目前，随着我国经济实力不断增强，铁路建设取得了飞速发展。目前，国内从事电气化挡土墙HYPERLINK /shanghai/list31-1.html工程施工的单位较多，其施工技术水平也参差不齐。 本文结合我国电气化挡土墙的施工情况和自身工作实践，对我国高速电气化铁路挡土墙施工中存在的问题、施工控制点、施工中的关键性技术进行了初步地系统地研究，重点探讨了高速电气化铁路挡土墙的施工定测技术、基础施工与支柱安装技术、支持结构计算及装配技术、恒张力架线技术、整体吊弦施工技术、组合定位装置施工技术、刚性挡土墙施工技术、接触导线高度偏差控制，提出了许多符合高速挡土墙施工特点的新技术和新观点，为进一步研究高速挡土墙施工技???打下了一个良好的基础。 关键词：土工编织；挡土墙；施工设计  Abstract Railway?is?the?national?important?infrastructure,?railway?construction?level?also?reflects?the?development?level?of?the?whole?national?economy.?At?present,?with?Chinas?growing?economic?power,?has?obtained?the?rapid?development?of?railway?construction.?At?present,?the?domestic?units?engaged?in?electrification?project?construction?of?retaining?more,?its?construction?technology?level?is?uneven.?Electrification?construction?of?retaining?wall?in?China?and?its?own?working?practice,?the?high-speed?electrified?railway?retaining?wall?construction?in?our?country,?the?construction?control?points,?the?problems?in?the?construction?of?the?key?technology?to?systematically?carried?on?the?preliminary?study,?probes?into?the?high-speed?electrified?railway?construction?measurement?technology,?foundation?construction?of?retaining?walls?and?pillars?installation?technology,?support?structure?calculation?and?assembly?technology,?constant?tension?stringing?technology,?construction?technology,?the?combination?of?droppers?positioning?device?rigid?retaining?wall?construction?technology,?construction?technology,?deviation?of?contact?wire?height?control,?put?forward?a?lot?of?accord?with?the?characteristics?of?the?retaining?wall?construction,?new?technology?and?new?ideas?for?further?research?on?high?speed?retaining?wall?construction?technology?laid?a?good?foundation.? Key?words:?geotechnical?weaving;?Retaining?wall;?Construction?design  目录 TOC \o 1-3 \h \u  HYPERLINK \l _Toc26008 摘 要  PAGEREF _Toc26008 I  HYPERLINK \l _Toc779 第一章 挡土墙的组成及要求  PAGEREF _Toc779 1