大华岭特长高速公路隧道施工高效通风技术

High Efficient Ventilated Techniques for Tunnel Construction of Particularly Long Freeway in Dahualing

介绍了张承高速公路大华岭隧道高效通风的研究,内容包括:制定大华岭特长隧道的通风方案、选择合适的通风方式、并通过设计计算获得隧道工作面的需风量,根据计算结果选择施工通风的机械配套设施,包括通风机的选择和通风管道的选择。最后是通风方案的实施、系统的安装布置和使用管理,所述内容对类似工程有参考意义。

The paper introduces research on high efficient ventilation at Dahualing tunnel of Zhang - Cheng Freeway. The researched contents include working out the ventilation schemes for Dahualing particularly long tunnel ; selecting the suitable ventilation way ; getting the wind force needed by tunnel working plane through design calculation;selecting the facilities for machinery complement for constuction ventilation from calculated results;choice of ventilator and ventilation duct;Implementation of ventilation schemes;as well as erection arrangement and use management of the system. Above - mentioned contents are of reference significance to similar project.