超浅埋大跨度隧道节能环保开挖方案研究  

Study on Energy saving and Environmental Protection Excavation Scheme of Ultra-shallow Large-span Tunnel

作　　者：邵行 刘晓旭 李为腾 亓传德 SHAO Xing;LIU Xiaoxu;LI Weiteng;QI Chuande(Shandong Provincial Communication Planning and Design Insitute Group Co.,Ltd.,Jinan Shandong 25010,China;School of Civil Engineering and Architecture,Shandong University of Science and Technology,Qingdao Shandong 266590,China)

机构地区：[1]山东省交通规划设计院集团有限公司,山东济南250101 [2]山东科技大学土木工程与建筑学院,山东青岛266590

出　　处：《交通节能与环保》2023年第4期212-216,共5页Transport Energy Conservation & Environmental Protection

基　　金：山东省交通运输厅科技计划(2020B70)。

摘　　要：本文以保证施工安全、保护地表环境、节能减排为原则,基于ABAQUS有限元软件建立超浅埋大跨度隧道台阶法、CD法、CRD法三种不同开挖方式下的数值模型,分析由开挖引起的土体应力场、衬砌应力场及土体竖向位移,评估不同开挖方法对结构的影响,并结合盖挖法,从环保、节能的角度,选择台阶法作为合理的开挖工法,并根据监测数据对现场实际施工进行了验证。Based on the principles of ensuring construction safety,protecting surface environment,and saving energy and reducing emission,this paper establishes numerical models of ultra-shallow large-span tunnel under three different excavation methods based on ABAQUS finite element software,analyzes the soil stress field,lining stress field and vertical displacement of soil due to excavation,evaluates the influence of different excavation methods on the structure,and selects the step method as a reasonable excavation method from the perspective of environmental protection and energy saving.

关 键 词：节能环保 超浅埋隧道 数值模拟 开挖方案 稳定分析 

分 类 号：U455.411[建筑科学—桥梁与隧道工程]