隧道火灾和渗漏一直是隧道安全和健康的重要问题。
All along, disastrous fire and leakage in tunnels are important problems about safety and health of tunnels.
最后，提出了长大公路隧道火灾预防救援的基本策略。
Finally, the paper summarizes the tactic of prevention and rescue for a long road tunnel fire.
随之而来的是隧道火灾事故发生率以及危害在不断地增大。
The following would be the incidence of tunnel fires as well as the expandable hazards.
大量隧道火灾案例表明，烟气和毒气是人员窒息中毒伤亡的主要原因。
Many tunnel fire incidents show most people died from smoke choking and toxic gases.
因次，对特长铁路隧道火灾烟气蔓延特性及危害性的研究具有十分重要的意义。
Therefore, the study on features of fire smoke spread and harmfulness of the railway tunnel is of great significance.
分析了隧道火灾数值计算模型的理论基础，找到比较合适的隧道列车火灾建模方法。
The theoretical basis for tunnel fire numerical simulation is analyzed and the suitable tunnel fire model is selected and the.
虽然隧道火灾的发生概率极小，但一旦发生，其将带来严重的危害以及巨大的经济损失。
Although the probability of a tunnel fire is very small, once it happens, it can lead to serious harm and huge economic losses.
特长公路隧道火灾，扑救困难，易造成严重损失，是影响隧道安全运营的一个关键因素。
The fire in king size tunnel is difficult to be put out and would cause serious damage. It acts as one of the key factors in safety operation.
最后给出了一个在FDS中对非矩形边界隧道火灾的数值模拟实例，验证了算法的可行性。
At last a numerical simulation of the tunnel fire with non-rectangular wall in FDS is demonstrated to verify the feasibility of the algorithm.
从安全系统工程的角度考虑，本文较全面的论述了长大双洞公路隧道火灾防灾救援安全体系。
By way of safety system engineering method analyzing, in this paper, the general safety system on the tunnel fire protection and rescue of the long highway tunnel is discussed.
隧道结构的特殊性——狭小而又相对封闭，造成了隧道火灾不同于地上建筑火灾的一些特点。
As the tunnel structure has some particularities, narrow and comparatively close, there are many differences between the tunnel fires and the building fires.
由于隧道火灾温度高，升温速度快，会对衬砌结构造成严重的损坏，并影响衬砌结构体系的可靠性。
With high temperature and quick increase of temperature, the tunnel fire may do a heavy damage to tunnel lining and reduce the reliability of the structural system.
论文介绍了隧道火灾的研究方法及现状，火灾事故应急通风的特点，以及隧道火灾通风灭火救援体系。
The paper presents the methods and researching condition of tunnel fire, the characteristic of emergency ventilation, and the system of rescuing and putting out fire in tunnels.
得出分布式光纤感温探测器可以较好的用于监测隧道火灾，但还不能够完全符合隧道火灾监测的要求。
Through the compare, we can elicit a conclusion that is: the distribute optic fiber fire sensor is better than others, can be used in the highway tunnel.
随着高速公路隧道数量的日益增多，隧道火灾发生量也相应增加，隧道防灾救援设施的配置显得尤为重要。
As the number of tunnels increases, the number of fires in the tunnel also increases. In this case, it is quite important to configure the disaster prevention and rescue facilities.
已经完成了一系列的模拟实验，使用不同的孔隙度和高度的木材，为了研究隧道火灾燃烧过程的的可燃配置的影响。
A series of simulative experiments have been done using wood cribs with different porosities and heights in order to study the effect of combustible configuration on combustion process of tunnel fire.
简述了地下铁道防排烟系统的组成及其运行方式，包括车站及区间隧道火灾事故通风系统，火灾报警与设备监控系统。
Describes the composition and running modes of the smoke control and exhaust system, including the fire ventilation system at stations and in the tunnel, and the fire alarm and device control system.
临界风速是隧道烟气控制的关键所在，其指隧道火灾过程中能有效控制烟气于火源下风方向而不发生逆流的最小纵向通风风速。
As a key to tunnel smoke control, the critical velocity refers to a minimum vertical ventilation velocity which can effectively control the smoke under the direction of fire source without reversing.
这种隧道消防机器人系统的研制为隧道火灾的早期扑救提供了一种新的途径，对隧道、库房、地下停车场以及其他建筑内消防具有广泛的应用前景。
This robot provides a new approach to extinguishing the tunnel fire at early stage, which could also widely applied for fire control in tunnel, warehouse, underground parking lot, and other building.
通过对隧道火灾模型试验，研究隧道发生火灾时烟流性态，着重对隧道内的烟流扩散规律、烟流逆流层的长度、逆流速度、逆流层厚度进行了试验数据的分析。
This paper studies the character of smoke by fire model test in tunnel, emphasizes on the law of smoke distribution t analyses the length, velocity and thickness of refluxed zone.
下不同火灾规模时隧道内的温度场，以修改后的克拉尼公式为公路隧道火灾时的安全逃生判别条件，给出了不同隧道风速、不同火灾规模时的消防救援的安全位置。
Using modified Cranee formula as the criterion of escape on highway tunnel fire, the safe locations for fire rescue under different wind speeds and scales of fi.
此外，矿难会破坏矿井中的供电及通讯系统，造成隧道堵塞和火灾等，这些问题都会阻碍救援工作，危及矿工们的生命。
In addition, disasters can bring down electricity and communications cables, block tunnels and cause fires -all of which may hamper rescue efforts and endanger lives.
论文提出了火灾温度和烟雾不会从横通道对非火灾发生隧道产生污染的通风条件和工程措施。
In the paper, the qualification of the fire temperature and smoke not to pollute the non-fire tunnel is brought forward, the engineering measures to avoid the pollution are also suggested.
采用考虑了湍流效应和辐射传热的扩散燃烧模型，对长隧道在不同规模火源和通风条件下的火灾过程进行了数值模拟。
A fire simulation of long tunnel under different fire loads and ventilation velocities was carried out by using the non-premixed combustion model which considered turbulence effect and radiation.
这些结论为隧道衬砌结构抗火分析、设计以及火灾后的评价等提供了理论依据。
The conclusions obtained provide theoretic basis for fire resistance analysis and design of tunnel lining structures and the evaluation after fire.
这些结论为隧道衬砌结构抗火分析、设计以及火灾后的评价等提供了理论依据。
The conclusions obtained provide theoretic basis for fire resistance analysis and design of tunnel lining structures and the evaluation after fire.
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