Taking the shield boring through Shougouting fractured zone in Tian-Hua running tunnel of line 3 of Guang- zhou Mass Rapid Transit system as example,the author presents the difficulties encountered during the tunnel boring, including buildings protection,mud cakes,water gushing,chamber pressure control and cutting tool damages.
以广州市轨道交通三号线[天-华]盾构工程中,瘦狗岭断裂带地段的盾构掘进施工为例,阐述了包括建筑物保护、结泥饼喷涌、土仓压力控制困难、刀具破坏等在内的掘进难点并简述了解决思路。
Numerical simulation for soil deformations due to shield tunneling;
盾构掘进过程土体变形特性数值模拟
However,the ground loss may occur during shield tunneling,too much ground loss may cause the great ground surface settlement.
盾构机在城市地铁建设中得到了广泛的应用,但在盾构掘进过程中会引起地层损失,过大的地层损失,可导致较大的地面沉降,对地面建筑物、地下管线等设施产生不利影响甚至会导致破坏,引起较大的经济损失。
In order to improve shield tunneling performance and provide guides for shield construction,prediction models of shield tunneling rate in alternation of mud rock and sand rock strata of Chongqing Yangtze River tunnel were discussed.
为提高盾构掘进效能,指导盾构掘进施工,对泥岩砂岩交互地层条件下越江隧道盾构掘进速率预测模型进行了研究。
However,the much loss in stratum may occur during shield tunnelling and too much loss in stratum may cause big-scaled surface subsidence,resulting in bad impact on the ground buildings and underground pipelines,even damaging them with big economic loss.
研究目的:盾构机在城市地铁建设中得到了广泛的应用,但在盾构掘进过程中会引起地层损失,过大的地层损失,可导致较大的地面沉降,对地面建筑物、地下管线等设施产生不利影响甚至会导致破坏,引起较大的经济损失。
Research on the technical status of the segment-erection system for the full shield tunneling machine
全断面盾构掘进机管片拼装系统的技术现状研究
A hydraulic drive system of cutter head in shield tunneling machine was designed,which is open type hydraulic system and controlled in open-ring.
设计了一个盾构掘进机的刀盘驱动液压系统,该系统是开式液压系统,应用电液比例控制技术实现了泵排量实时调节。
An improved cutter head drive hydraulic system of the shield tunneling machine was proposed,which achieved energy saving by optimizing the drive power.
研究了一种改进的盾构掘进机刀盘驱动液压系统,通过驱动功率优化配置实现系统的节能。
Theoretical equations by analyzing earth pressure balance(EPB) shield cutterhead′s cutting the ground are deduced and the numerical model is set up.
通过对土压平衡盾构掘进机刀盘切削土体进行理论分析,建立数学模型,得出相应计算公式。
The principle and the structure of the screw conveyor in a shield were introduced.
简要介绍了盾构掘进机螺旋输送机的工作原理、结构和功能;以此为基础,依据某地铁施工现场对盾构掘进机提出的技术性能要求,对其螺旋输送机液压系统进行了设计;设计方案经过实际应用验证,具有优良的实用性能,能够很好地满足这一类工程用户的要求。
Research on Key Technology for Thrust System of Shield Tunneling Machine;
盾构掘进机推进系统的关键技术研究
STUDY ON TUNNELING EXPERIMENT AND MATHEMATICAL MODEL OF EPB SHIELD
土压平衡式盾构掘进试验及掘进数学模型研究
Analysis on Dynamic Abrasion of Earth Pressure Balance Shield Cutters;
土压平衡盾构掘进刀具动态磨损研究
Trajectory Planning during Shield Tunneling Process
盾构掘进过程中轨迹规划问题的研究
On Controlling Technique of Ground Settlement during the Double-o-tube (DOT) Shield Excavation
双圆盾构掘进中的地面沉降控制技术
Numerical Analysis on Influence of Shield Tunneling to Neighboring Piles
盾构掘进对既有桩基影响的数值模拟
Study and Preparation on the Special Tool of Tunneling Shield
盾构掘进机用特种刀具的研究与制备
Theoretical Analysis of Special Section Tunnel Cutting Mechanism of Shield Machine;
盾构掘进机异形断面隧道切削机构的理论研究
Design Method of Segment Erector Mechanism for Shield Machine;
盾构掘进设备中的管片拼装机机构设计方法
Design Analysis and Optimization on Retractile Disc Cutter of TBM;
可伸缩式复合盾构掘进刀盘分析设计及优化
Analysis and Study Response of Pile Foundation Adjacent to Tunnelto Shield Advancing;
盾构掘进过程中邻近基桩反应分析研究
3D Finite Element Numerical Simulation Analysis on Tunnel Shield Driven Process;
盾构掘进过程的三维有限元数值模拟分析
The Development and Application of Supervisory Control System for Shield Tunneling Experiment Platform;
盾构掘进试验平台监控系统的开发与应用
Research and Application on Numerical Simulation Method for Shield Tunneling
盾构掘进过程数值模拟方法研究及应用
Research of Elements Effecting on the Abrasion of Shield Cutter in the Tunneling of the Earth Pressure Balance Shield
盾构掘进过程中影响刀盘磨损因素研究
Study on Soil Disturbance Caused by Large Diameter Slurry Shield Tunnelling
大直径泥水盾构掘进对土体的扰动研究
The Management of Surveying Supervision on Tunneling Quality Control of Tunnel Constructed by TBM and beneath the Bottom of Yellow River
穿黄隧洞盾构掘进质量控制中的测量监理管理
STUDY OF SOIL DISTURBANCE CAUSED BY SUPER-LARGE DIAMETER SLURRY SHIELD TUNNELLING
超大直径泥水盾构掘进对土体的扰动研究