pressure tunnel

At the same time, a new sensor assembled with temperature measurement and smog particulate and air pressure monitoring is applied to tunnel fire prediction, which could greatly raise the efficiency of fire alarm in tunnel.

同时将一种集测温、测烟雾粒子、测气压等多种功能于一体的新型传感器应用于隧道火灾的预报中，提高了隧道火灾的报警有效率。

Application of High-pressure Spiral Jet Grouting Piles in Shield Tunnel Portal Soil Reinforcement Engineering

旋喷桩在盾构法隧道端头井洞口土体加固工程中的应用

The main types of shield machines used recently in tunnel construction are earth pressure balance ( EPB) shield tunneling and slurry shield tunneling.

减小盾构刀具磨损，是保证土压平衡盾构长距离掘进的重要措施。

Defect on air pressure vessel materials of high speed wind tunnel resource was inspected by means of ultrasonic radiographic and magnetic particle. Development and application of advance air source system for wind tunnel

对高速风洞气源气罐全厚材料用超声、磁粉、射线等方法进行了缺陷检测。先进风洞气源系统的研制与运行

By means of finite element analysis and theoretical derivation, this paper presents a new impervious design method on the reinforced concrete lining of circular water pressure tunnel and proposed design recommendation according to the calculated results.

通过理论阐述和有限元计算分析，研究了有压圆形隧洞钢筋混凝土衬砌一种新的防渗漏设计方法，即预留人工缝的防渗漏设计法，并根据分析结果提出了设计建议。

The key technical problems of flood discharge tunnel with spiral flow shaft include: ( 1) negative pressure being prone to occur at the joint of vortex chamber intake and shaft;

旋流竖井泄洪洞的关键问题是：（1）涡室进口与竖井连接段跌坎处易产生负压；

A New Formula of Rock Resistant Factor k in Hydraulic Pressure Tunnel

水工有压隧洞岩石抗力系数K的一个新公式

FEM Simplification Algorithm for Hydraulic Pressure Tunnel Based on Rock Reaction Force

水工压力隧洞有限元模型简化算法

Based on soil plasticity and upper-bound analysis theory, the earth pressure intensity formula distributing along the tunnel portal length, general earth pressure formula and earth pressure action point formula are derived.

详细推导了运用土体塑性极限分析理论中的上限解方法研究隧道洞门土压力沿隧道洞门墙高的分布土压力公式、总土压力公式及土压力作用点公式。

The numerical analysis method is used to study the ground movement laws caused by the ovalization variation in the cross section in the action of water and soil pressure of tunnel lining.

第一部分介绍了软土盾构隧道施工引起的地层位移和地表沉降的研究方法，包括经验方法、解析方法、整体有限元方法以及位移控制有限元法。

Based on Biot's theory of consolidation, the pressure tunnel with partial sealing in saturated soil is investigated by developing the partial sealing boundary conditions.

基于Biot固结理论，研究分析了饱和土体中半封闭压力隧洞问题，建立了压力隧洞的半封闭边界条件。

Calculation Method of Stresses in Pressure Tunnel Lining Allowing for the Characteristics of Rock Mass Deformations

考虑岩体变形特性的圆形压力隧洞衬砌应力计算方法

The hydraulic calculation of pressure tunnel is a hydraulics issue needed to be solved in design.

水工有压隧洞的压力计算是一个在设计中必须解决的水力学问题.

During the construction of tunnel, FLAC numerical simulation is used to analyse the stability of shallow tunnel under unsymmetrical pressure for safe control.

对于隧道施工过程的安全控制，采用FLAC进行数值模拟分析浅埋偏压隧道稳定性。

After the loess tunnel after the foundation treatment has been open to traffic, and is running well, explains the high pressure jet grouting pile foundation reinforced loess tunnel obvious effect, of great economic benefits and social benefits, is worth popularizing widely application.

经过地基处理后的黄土隧道目前已经通车，并运行良好，说明了高压旋喷桩加固黄土隧道地基效果明显，具有很大的经济效益和社会效益，值得广泛推广应用。

Research on the Calculation Method for Vertical Earth Pressure of Shield Tunnel in Soil Layer

土质地层中盾构隧道垂直荷载计算方法探讨

Considering the high cost for Iining pressure tunnel a considerabie economic advantage can be obtained if pressure tunnels keep unlined completely or only partly.

由于衬砌水电站压力隧洞费用极高，如果能取消、即使部分取消压力隧洞的钢板衬砌，将能得到极大的经济效益。

Analyses and Application of Tectonic Zone and Deep Pressure Tunnel Permanent Support

构造带及深部地压巷道永久支护的分析与应用