Surrounding rock pressure

Calculation analysis of tunnel lining considering arbitrary surrounding rock pressure distribution

可考虑任意围岩压力分布形式的隧道衬砌计算分析

The Measurement and Analysis of Surrounding Rock Pressure for Extra Deep Shaft

超深立井围岩压力测试与分析

Research on Prediction Method of Surrounding Rock Pressure Base on Tunnel Progressive Destruction

隧道围岩渐进性破坏及围岩压力预测方法研究

New Elasto-plastic Analytic Solution of Tunnel Surrounding Rock Pressure

隧道围岩压力的弹塑性新解

Effect of stress path on surrounding rock pressure of super large-section tunnel

应力路径对特大断面隧道围岩压力的影响

Study on the prediction method of tunnel surrounding rock pressure based on the theory of progressive destruction

基于渐进性破坏理论的隧道围岩压力预测研究

A Study on Calculation Method of Surrounding Rock Pressure About Deep-Buried Tunnel with Small Spacing

深埋小净距隧道围岩压力计算方法研究

Calculation Method for the Surrounding Rock Pressure of Deep Buried Large Sectional Loess Tunnel of High-Speed Railway

高速铁路大断面深埋黄土隧道围岩压力计算方法

The function mode and calculation method of the surrounding rock pressure is a key problem in the design of tunnel support structure .

围岩压力作用模式和计算方法是隧道工程支护结构设计中的关键问题。

The surrounding rock pressure release situation after excavation directly reflects the degree of rock mass stress unloading .

开挖后围岩压力的释放情况直接反映了岩体应力卸载程度。

Experimental Research on the Surrounding Rock Pressure of Large Sectional Loess Tunnel under Deep and Shallow Submersion

大断面深浅埋黄土隧道围岩压力试验研究

The applicability of some calculating methods for determining surrounding rock pressure was studied through the comparison with the statistical materials .

通过与统计资料塌方量的对比，分析了几种常用隧道松动荷载计算方法的适用性。

How to determine the surrounding rock pressure and the failure mechanism accurately are key problem of construction and safety of long-term operation .

如何准确确定其围岩压力和破坏机制是施工和长期运营安全的关键问题。

Because of this tunnel with characters of longer distance , deeper embedded , higher surrounding rock pressure , higher water seal requirement .

由于这种隧洞一般具有距离长、埋深大、围岩压力大、止水要求高等特点，施工极为复杂。

The Test Study of the Surrounding Rock Pressure Acting on the Composite Lining in Weak Rock of Nanling Double Track Railway Tunnel

南岭双线铁路隧道软岩复合式衬砌围岩压力的试验研究

The results show that the different engineering measures have obvious influences upon the ground surface settlement , the surrounding rock pressure , and convergence displacement .

结果表明：不同的预加固强度、开挖进尺，对隧道的地表沉降、围岩压力、洞周位移都有很大影响。

The main comparison included the settlement of tunnel crown and arch foot , horizontal convergence , surrounding rock pressure , stress of initial supporting steel framework , etc.

拱顶下沉、拱脚下沉、水平收敛、围岩压力、初支钢架应力等。

By calculated the surrounding rock pressure of shallow tunnel under different parameters , this paper analyzes the influence of various parameters on the upper-bound surrounding rock pressures solution .

计算不同参数条件下浅埋隧道围岩的压力值；讨论了各参数对围岩压力上限解的影响。

By means of numerical simulation and in-situ test , this article research on distribution rule of surrounding rock pressure and contact pressure and safety evaluation and design optimization of secondary linings .

本文通过现场试验并结合数值模拟研究的方法，对围岩压力和接触压力的分布规律以及二次衬砌安全性评价和优化设计作了初探。

Based on field testing results and dependency of surrounding rock pressure on time , we have obtained regularity on the variation of surrounding rock stress and displacement with time and the development of viscoplastic region .

根据现场实测结果及围岩压力与时间的关系，得到围岩应力、位移随时间的变化规律和粘塑性区的扩展规律。

The surrounding rock pressure of deep soil tunnel can calculate by modified KAKE formula , the surrounding rock pressure of shallow soil tunnel belongs to flexible pressure and pressure figure seems cat ear ;

深埋隧道围岩压力可按基于弹塑性理论的卡柯公式计算，浅埋隧道围岩压力属松动压力，分布呈猫耳朵形状；

This , paper studies the quantity and distribution pattern of the surrounding rock pressure undertaken by the composite lining and discusses the reasonable construction method and supporting structure of large cross sectional tunnel through weak surrounding rock .

本文研究复合式衬砌承受围岩压力的大小和分布规律，并探讨大断面隧道通过软弱围岩的合理施工方法及支护结构。

This paper analyzes the working properties of shield segment in different cases according to the field measurement results of the stress , deformation of rebars , and surrounding rock pressure in shield segment of a metro tunnel .

根据某一地铁隧道盾构管片进行钢筋受力、变形、围岩压力等方面的现场测试结果，研究了盾构管片在不同工况下的工作特性。

By means of established mechanical model , the influence is analysed of the supporting backfill on the surrounding rock pressure and the supports deformation . Some measures are presented of changing the rigidity of the supporting backfill .

通过建立的力学模型分析了壁后充填体刚度对围岩和支架压力与位移的影响，提出了改变充填体刚度的措施。

In engineering practice , based on new austrian tunneling method , understanding the degree of surrounding rock pressure release situation can bring into play the surrounding rock bearing capacity and help judge the stability of surrounding rock for applying support .

在工程实践中，依据新奥法施工理念，当了解围岩压力释放程度时，更有利于发挥围岩的自承载能力，对于判定围岩稳定性和施作支护提供重要依据。

The research results of plastic zone stress , plastic zone radius , surrounding rock pressure , and surrounding rock displacement are more nearly actual correspondence values of cavern surrounding rock with Fenner solution based on ideal elastoplastic materials .

所得到的塑性区应力、塑性区半径、围岩压力和硐室周边位移等研究结果，与基于理想弹塑性体的Fenner解答相比，要更接近实际硐室围岩中的对应量值。

Directed against the demarcating problems of deep tunnel and shallow tunnel in exiting methods , the paper indicates the demarcating method from the viewpoint of characteristic of surrounding rock pressure according to the results of field observation and numerical simulation .

针对现有隧道深浅埋界定方法存在的问题，结合现场测试和数值仿真结果，明确了应从围岩压力性质角度进行深浅埋界定。

Around this them following research was conducted in this paper . ⑴ The surrounding rock pressure that acted on lining segment is the main load of it bearing . So correctly calculating of it is directly related to the design and security of lining segment .

本文围绕这个主题进行了以下研究：⑴对于作用于管片衬砌上的围岩压力是围岩承受的主要荷载，其计算的正确与否直接关系到管片的设计和安全。

A general program using APDL ( ANSYS parametric design language ), which is applicable to arbitrary lining sections of the three-centered circular arch with different surrounding rock pressure distributions , was developed for the calculation of the tunnel inner forces and eccentricities .

利用ANSYS的参数化高级设计语言，编制了适合任意三心圆拱衬砌断面和不同围岩压力分布形式的隧道衬砌内力和偏心距的通用计算程序。

Through observation in field of the shallow highway tunnel lining in loess , authors research the change of the surrounding rock pressure on tunnel lining , the axial force of lattice girder and the strain of second lining to the time and the distribution in different positions .

通过对浅埋黄土公路隧道衬砌受力现场测试，研究了隧道衬砌围岩压力、钢花拱轴力和二次衬砌混凝土应变随时间变化以及不同位置分布情况。