摘要
随着地下通车道成为缓解城市交通压力的有效途径,大断面矩形盾构在软土地区发展潜力巨大。以此为背景,介绍了矩形盾构的特点及适用范围,并通过有限元数值模拟,研究了大断面矩形盾构推进方式对地表环境的影响,为控制地表沉降、推进施工参数的合理取值,提供了理论依据。
As the underground traffic lane comes to be an effective way to ease urban traffic pressure, the large crosssection rectangular shield has great potential of development in soft soil area. Based on this background, this paper introduces the characteristics of the rectangular shield and the scope of application. Furthermore, through the finite element numerical simulation, the impact of large cross-section rectangular shield upon the surface environment has been studied, which provides a theoretical basis for the control over the ground surface settlement and for the promotion of reasonable construction parameter selection.
出处
《建筑施工》
2014年第4期432-434,共3页
Building Construction
基金
上海市科学技术委员会资助项目<浅覆土大断面矩形盾构隧道设计及掘进设备研制>
编号为11231202600
关键词
矩形盾构
数值模拟
刀盘压力
地表环境
影响分析
rectangular shield
numerical simulation
cutter pressure
surface environment
impact analysis
