局部线性荷载作用下深埋盾构隧道纵向沉降分析  

Analysis of Longitudinal Deformation of Deep Embedded Shield Tunnel under Local Linear Load

作　　者：赵志敏[1] ZHAO Zhi-min(School of Railway Transit,Shaanxi College of Communication Technology,Xi＇an 710018,China)

机构地区：[1]陕西交通职业技术学院轨道交通学院,陕西西安710018

出　　处：《陕西交通职业技术学院学报》2018年第3期49-53,共5页Journal of Shaanxi College of Communication Technology

摘　　要：对于深埋盾构隧道，考虑上卧层土体作用以及下卧层土体的不均匀性，通过弹性地基梁的挠度微分方程，建立局部线性荷载作用下的盾构隧道纵向沉降。揭示了隧道的纵向变形规律，并结合算例分析线性荷载作用下盾构隧道的不均匀沉降，讨论了相应参数变量对盾构隧道沉降的影响。For deep embedded shield tunnel, considering the effect of upper layer and the uneven distribution of sublayer soil, the longitudinal deformation of deep embedded shield tunnel under local linear load is established by the elastic foundation beam of deflection differential equation, the longitudinal deformation principle of the tunnel is revealed, and differential settlement of deep embedded shield tunnel under local linear load is analyzed, and fianlly the effects of corresponding parameter variables on the settlement of shield tunneling is discussed in the paper.

关 键 词：纵向沉降 双面弹性地基梁理论 线性荷载 不均匀下卧土层 深埋隧道 

分 类 号：U45[建筑科学—桥梁与隧道工程]