duct shaft

Construction technology of the ventilation shaft in Mingyueshan tunnel;

明月山隧道通风竖井施工技术

Rock burst prediction for ventilation shaft of Qinling highway tunnel and its countermeasures

秦岭公路隧道通风竖井岩爆预测和防治措施

1 ventilation shaft construction technology of Extra-long Highway Tunnel of Qinling Zhon-gnan Mountain used BMC-300 type raise boring method.

针对秦岭终南山特长公路隧道1号通风竖井工程,采用BMC-300型反井钻井法施工。

Because of ventilating requirement of cross-ocean tunnel, especially long distance cross-ocean tunnel, ventilating shaft should be set in the sea.

长距离深海跨海沉管隧道,为满足隧道内运营通风的要求必须在隧道中部设置通风竖井。

Because ventilating requirement of cross-ocean tunnel, expecially long distancecross-ocean tunnel, ventilating shaft should be set at sea.

跨海隧道，特别是长距离跨海隧道，由于隧道内通风的要求，必须在隧道中间即海中设置通风竖井。

In the paper the ventilated shaft layout,structural design and process of construction of XueFengShan tunnel are introduced in details,which will offer a reference of the tunnels in the future.

本文详细介绍了雪峰山隧道通风竖井的布置、结构设计以及施工技术,以期对今后其它长大隧道的通风及防灾设计起到借鉴作用。

This paper studies the second Ventilated Shaft of Qinling Zhongnanshan tunnel in Xi an-Ankang freeway, and makes a research of the stability of the shaft surrounding rock through the construction process in different depth.

本文以西安-安康高速公路秦岭终南山隧道2#通风竖井为研究实例,以竖井开挖过程中围岩稳定性为主要研究对象,主要分析了开挖过程中,不同深度下竖井开挖对竖井同岩稳定性的影响。

The necessity of ventilated shaft application in ventilation system of Urban Traffic Link Tunnel in Suzhou railway station was demonstrated.

论证了在苏州火车站地下交通联系通道通风系统中设置通风竖井的必要性,利用两个竖井将整个通道分隔为两个气流控制区段,通过对不同区段正常通风工况和火灾工况下的需风量的计算,考虑火灾排烟的有效性,将竖井设在环形通道的西北和东南两个对角处,其有效面积分别为10。

Application of Ventilated Shaft in Ventilation System of Urban Traffic Link Tunnel

通风竖井在地下联系通道通风系统中的应用

Analysis on Construction Methods of Ventilation Shaft for Long Highway Tunnels

特长公路隧道通风竖井施工方法分析

The Study on Joints and Structure Analysis of Ventilating Shaft of Cross-ocean Tunnel;

沉管隧道自立式通风竖井结构分析及接头研究

Construction Technology of Ventilation Shaft in Shiyashan Tunnel of Guang-wu Expressway

广梧高速公路石牙山隧道通风竖井施工技术

Rock burst prediction for ventilation shaft of Qinling highway tunnel and its countermeasures

秦岭公路隧道通风竖井岩爆预测和防治措施

The Stability Analysis of Ventilating Shaft of Cross-ocean Tunnel and the Construction Problems Discussion;

跨海隧道自立式通风竖井整体稳定分析与施工问题探讨

Construction Technology for Lining and Separation Wall of Ventilation Shaft of Long Highway Tunnel on High Plateau

高原长大公路隧道通风竖井衬砌及中隔墙施工技术

Optimized model of air supply outlet angle in highway tunnel blowing and exhausting longitudinal ventilation system

公路隧道竖井送排式通风送风口角度优化模型

A vertical, sloping passageway made in the earth for finding or mining ore and ventilating underground excavations.

竖井地面下一竖直、倾斜的走道，用于探矿或采矿及地下作业的通风

Three-Dimensional Numerical Simulation Study on Fire Ventilation in Highway Tunnel by Shaft;

带竖井特长公路隧道的火灾通风数值模拟

Experimental study of natural ventilation for road tunnels with shafts

竖井型公路隧道自然通风过程的实验研究

Studying on Air Flow and Pollution of Natural Ventilation Tunnel with Shafts

竖井型自然通风公路隧道气流与污染问题研究

vertical or sloping passageway for finding or mining ore or ventilating a mine.

为了发现或采矿或使矿井通风而设计的竖直或倾斜的管道。

Study on the Neural Netwoks On-Line Control Method of Highway Tunnel Longitudinal Ventilation by the Blowing and Exhausting Shaft;

公路隧道竖井送排式纵向通风神经网络在线控制方法研究

Lining Slipform Construction Technology of Sending and Exhausting Single-shaft

单井送排风式竖井衬砌滑模施工技术

Can you give more information about it? It is highly likely that you do not have to use user subroutine.

在一个隧道通风的数值模拟中，有一竖井设置风机，请教高手，如何使用子程序进行操作？

The shaft of a mine.

竖坑矿的矿井或竖井

It runs down a shaft to the seventh floor.

它沿一个竖井向下直通到第七层。