高原隧道施工通风量的计算  

Calculation of ventilation rate during construction period of plateau tunnel

作　　者：张仕杰 

机构地区：[1]中铁第五勘察设计院集团有限公司城市轨道交通设计院

出　　处：《暖通空调》2015年第7期37-39,共3页Heating Ventilating & Air Conditioning

基　　金：铁道部科技研究开发计划项目(编号:2007G034)

摘　　要：通过对高原隧道施工工程机械排放的一氧化碳(CO)的测试,获得了该地理气候条件下的资料。基于测试数据,采用比定容积法和安全稀释法计算稀释CO至一定浓度所需的通风量。对比我国现行标准及国外相关标准,指出对高原隧道而言,我国标准规定的通风量较实际计算风量偏小,应根据实际情况增大。Through the test of carbon monoxide emitted by construction machinery in plateau tunnel,obtains the data under this geographic climate condition.Based on the test data,calculates the ventilation rate required for dilution CO to a certain concentration by using the specific volume method and safe dilution method.Compares the domestic and foreign related standards,indicates that the ventilation rate in our country＇s standard is smaller than the actual calculation value,and it should be increased according to the actual situation.

关 键 词：高原隧道 施工通风 风量计算 尾气排放 比定容积法 安全稀释法 

分 类 号：U453.5[建筑科学—桥梁与隧道工程]