土压平衡盾构的土力学模型与土压平衡控制  

Soil Mechanics Model and Earth Pressure Balance Control of Shield with Balanced Earth Pressure

作　　者：吴笑伟[1] 

机构地区：[1]河南交通职业技术学院汽车学院,河南郑州450005

出　　处：《筑路机械与施工机械化》2012年第11期80-84,共5页Road Machinery & Construction Mechanization

基　　金：国家863计划课题子项目(2002AA420020)

摘　　要：根据土压平衡盾构的特点及施工原理,结合隧道设计、施工的具体经验,建立了土压平衡盾构的土力学模型,并采用朗肯理论计算了掘进土压力,提出了土压平衡盾构掘进土压平衡控制策略,确定了土压平衡盾构施工土压力的设定原则和方法,为土压平衡盾构掘进机的设计和开发提供科学的理论依据。According to the characteristics and working principle of shield with balanced earth pressure,the soil mechanics model of shield with balanced earth pressure was established combined with the experience in tunnel design and construction.Rankine theory was applied for calculation of tunneling soil pressure;strategies for earth pressure balance control were put forward;the principle and method of soil pressure setting were determined, which provides scientific basis for design and development of shield with balanced earth pressure.

关 键 词：盾构掘进机 土力学模型 朗肯理论 土压平衡 

分 类 号：U455.3[建筑科学—桥梁与隧道工程]