适应灰岩地区的地铁隧道盾构管片结构优化  

OPTIMIZATION OF SHIELD SEGMENT STRUCTURE FOR SUBWAY TUNNEL IN LIMESTONE AREA

作　　者：范育辉 Fan Yu-hui

机构地区：[1]中铁开发投资集团有限公司,云南昆明650500

出　　处：《建筑技术开发》2023年第9期76-78,共3页Building Technology Development

摘　　要：为了研究适应灰岩地区的地铁隧道盾构管片结构优化,以贵阳地铁3号线一期工程高新路口站—师范学院站盾构区间为工程背景,通过综合选取围岩参数,对管片参数进行优化,并创新性地提出防排水结构的优化方案,分析管片的变形、受力及内力,优化管片的厚度,总结并优化管片制作材料,提高地铁隧道施工效率和质量,为后续类似工程提供经验。In order to study the optimization of shield segment structure for subway tunnel in limestone area,this paper takes the shield interval between Gaoxin road crossing station and normal university station of Guiyang metro line 3 Phase I project as the engineering background,optimizes the segment parameters through comprehensive selection of surrounding rock parameters,and innovatively proposes the optimization scheme of waterproof and drainage structures,analyzes the deformation,stress and internal force of segments,and optimizes the thickness of segments,summarize and optimize the segment fabrication materials,improve the construction efficiency and quality of subway tunnel,and provide experience for subsequent similar projects.

关 键 词：灰岩地区 地铁隧道 盾构管片 结构优化 

分 类 号：U231.3[交通运输工程—道路与铁道工程]