与铁路同台驳接地铁站台排烟方案探讨  

Analysis on the Scheme of Metro Platform Smoke Extraction on the Same Platform with Railway

作　　者：陈鹏飞 陈雅莉 肖泽南 陈静 CHEN Pengfei;CHEN Yali;XIAO Zenan;CHEN Jing(China Railway Engineering Design and Consulting Group Co.,Ltd.,Beijing 100055,China;Institute of Building fire Research,China Academy of Building Research,Beijing 100013,China)

机构地区：[1]中铁工程设计咨询集团有限公司,北京100055 [2]中国建筑科学研究院有限公司建筑防火研究所,北京100013

出　　处：《铁道标准设计》2020年第1期183-187,共5页Railway Standard Design

基　　金：中国中铁股份有限公司重点课题(2019-重点-58)

摘　　要：针对地铁、国铁同台驳接入铁路枢纽的地铁车站,地铁地面站台位于交通枢纽内部的特殊形式,站台层的排烟方案需根据建筑形式进行特殊考虑。对站台层的排烟方案进行对比分析,通过火灾烟气模拟,对烟气自然扩散、自然排烟和机械排烟3种排烟方案进行对比分析。烟气自然蔓延条件下,能见度无法保证人员安全疏散。由于建筑形式的特殊,无法满足自然排烟条件。为保证安全,设置了机械排烟系统。对与国铁站房结合的综合枢纽中地铁车站排烟方式,应将自然排烟的可行性纳入其初期建筑方案中优先考虑。According to the metro station located on the same platform inside the comprehensive railway hub,the smoke extraction plan at the platform requires special consideration based on the form of the building.The smoke extraction scheme of the metro platform is compared and analyzed.Through fire simulation,the feasibility and effect of three kinds of smoke extraction schemes,such as natural diffusion of smoke,natural smoke extraction and mechanical smoke extraction,are analyzed.Under the condition of natural diffusion of smoke,the visibility can hardly guarantee the safe evacuation of personnel.Due to the special form of the building,natural smoke distraction conditions cannot be met.To ensure safety,mechanical smoke extraction is selected.The feasibility of natural smoke extraction should be prioritized in the initial building program for the metro station in connection with the comprehensive railway hub.

关 键 词：火灾模拟 站台排烟 同台换乘 综合交通枢纽 

分 类 号：U453[建筑科学—桥梁与隧道工程]