查询词典 tunnel

Great and numerous risks will be encountered in the construction of rock tunnel; the tunnel boring machine construction for deep-buried long tunnel is affected by various uncertain factors with random and fuzzy behaviors, which can t be quantitatively analyzed by current methods.

岩石隧洞建设中面临很大和众多的风险，利用TBM施工的深埋长隧洞受多种不确定因素影响，具有随机性和模糊性，目前的研究方法难以对其进行准确定量分析。

Based on the total potential energy principle, the cusp catastrophic model for instability and failure of deep-buried tunnel surrounding rock is established. Through the observed data of settlement values of typical section vault of deep-buried tunnel and the sudden threshold values of displacement of each monitoring section, the variable values of vault settlement function are obtained, and the stability of deep surrounding rock in tunnel is decided.

运用突变理论探讨了深埋隧道失稳的机制；根据总势能原理，建立了隧道失稳的尖点突变模型，导出了失稳的力学判据条件；并基于深埋隧道典型断面拱顶下沉量现场量测的数据，计算出拱顶下沉函数的各变量值，由各监测断面位移突变阀值来判别深埋隧道围岩的稳定性，分析结果与实际施工围岩情况一致。

The main contents include waterproof and drainage in entrance of tunnel, tunnel Portal Structure and top area of tunnel; Primary support design, Second lining construction design, Blasting design, main procedure of construction, the requirement of construction technology and the choice of materials.

本文主要对隧道的洞口、洞门、洞顶、洞内的防排水，隧道的混凝土初期支护设计、二次支护设计、爆破设计、以及各主要工序的施工步骤，施工工艺的要求，施工材料的选择等这些主要的控制性因素进行研究。

Reversible high temperature axial flow fan in subway station project, reversible axial flow fan in airshaft tunnel are placed in the fan room in terminals of the station or along the tunnel for ventilation of stations and tunnel.

地铁工程车站可逆转高温轴流风机，区间风井隧道可逆转轴流风机，一般设于车站两端或区间通风机房内，用于车站、区间隧道通风。

At present, in the production craft of construction ceramics, generally has used the more advanced tunnel kiln to fire the craft, carries on in the process in the use tunnel kiln which fires, fixed time and fixed point completes goes against the vehicle work is the guarantee fires one of quality important methods, this article carries on the discussion on the entire tunnel crown vehicle craft PLC control.

摘 要：目前，在建筑陶瓷生产工艺中，已普遍采用了较为先进的隧道窑烧成工艺，在使用隧道窑进行烧成的过程中，定时、定点地完成顶车工作是保证烧成质量的重要手段之一，本文就整个隧道窑顶车工艺的PLC控制进行探讨。

At present, in the production craft of construction ceramics, generally has used the more advanced tunnel kiln to fire the craft, carries on in the process in the use tunnel kiln which fires, fixed time and fixed point completes goes against the vehicle work is the guarantee fires one of quality important methods, this article carries on the discussion on the entire tunnel crown vehicle craft PLC control.

引言目前建筑陶瓷行业普遍采用的是隧道窑烧成工艺，在使用隧道窑进行陶瓷烧制的过程中，除了严格控制各被控点的温度和压力等物理参数外，精确、准时地完成顶车、回车等循环过程，也是保证烧成质量的必要环节，随着计算机技术的发展，特别是可编程逻辑控制器技术的广泛应

This article presents the methods of foundation treatment for immersed tube tunnel with focus on theoretical analysis of sand flow method, and also simulated test on foundation treatment technique for outer ring immersed tube tunnel, to verify feasibility of the construction method, hence winning key technical parameters to have been employed in the construction of outer ring immersed tube tunnel.

提 要：文章介绍了沉管隧道基础处理的方法，着重对砂流法进行理论分析；并介绍了外环隧道基础处理技术的模拟试验，验证了施工方法的可行性，获得了关键的技术参数；并在外环隧道施工中得到应用。

According to the calculated results, the distribute rules of the internal force in tunnel bed and the destruction cause were analyzed. The results show that the bending strength of tunnel bed structure should be strengthened when the tunnel bed is repaired.

根据计算结果，对隧道铺底结构的内力分布规律以及铺底结构破坏的原因等进行分析，并提出在进行隧道铺底病害整治时，应大力提高铺底结构的抗弯能力。

In respect that various requirements of load and temperature on different parts of the baker, firebrick lining was chose reasonably, and the dosage of light heat preservation brick is in enlargement. As a result of that, the weight of the furnace was decreased, and increased its performance of heat preservation and cumulation was increased consumedly. With the use of ""W"" type fire tunnel and straight-through dilatation joint, and two enlargement of the perpends on the wall appropriately, all the problems of heat preservation in the anode baker, uniform temperature in the tunnel, and its life span were solved effectively. In the research of anode blocks in and out of the furnace, and of tidying it up, the multi-function crane clamps was alented and the assembling unit was reconstructed, which made it easy to automatic ally assemble the carbon blocks of various specifications with only one set of assembling unit.In the aspects of automation, a new type pulse combustor and solid thermocouple, as a result of that, not only the control accuracy of the fire tunnel's temperature was increased, but also the system function was improned to be more dependable, safe and practicable.

在焙烧炉炉体研究方面，针对焙烧炉不同部位的负荷及温度要求的不同，合理选用耐火材料，加大轻质保温砖的用量，既减轻炉体的重量，又大大提高炉体的保温蓄热性能；火道墙采用&W&型火道结构，直通性膨胀缝，并适当加大火道墙竖缝，有效地解决了阳极焙烧炉的保温、火道温度均一及火道墙的使用寿命等问题；在阳极炭块装出炉及清理等研究方面，通过对编解机组及多功能天车夹具进行改造，实现一套机组对多规格炭块的自动编组、解组及装出炉问题；焙烧炉自动化控制研发中，采用先进的分散式控制系统，研制开发新型脉冲燃烧器及实体型热电偶，不仅提高了火道温度的控制精度，而且提高了系统的可靠性、安全性、实用性。

In order to research the fire properties in the municipal tunnel with the mode of natural ventilation and the openings on its roof, full-scale fire tests were designed and conducted in a finished tunnel. The longitudinal diversification laws of maximum smoke temperature around the vault of the tunnel were collected.

为了研究顶部开口的城市隧道在采用自然通风模式下的火灾特性，在已建成的隧道中设计并实施了全尺寸火灾试验，得到了隧道火灾自然通风模式下的拱顶附近烟气最高温度纵向变化数据。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。