Tunnel evacuation platform suitable for urban rail transit

The utility model provides a set up that tunnel evacuation platform suitable for urban rail transit under the prerequisite that satisfies structure safety, durability and construction requirement, can effectively reduce platform boardwalk thickness and the volume of using the steel, reduces the support to reduce the construction investment. Including the support of fixed mounting on tunnel structure to and the platform boardwalk of support on two adjacent supports, characterized by: the support adopts the adjustable horizontal stand that comprises horizontal support component, bracing component, and the rear end of horizontal support component and bracing component articulates with first erection support, second erection support respectively, the top of horizontal support component is fixed to be provided with the shock attenuation of vertical tip of acting on the platform boardwalk and only to move the component. 种适用于城市轨道交通的隧道疏散平台，在满足结构安全、耐久性和构造要求的前提下，能有效降低平台步道板厚度和用钢量，减少支架的设置，从而减小工程投资。包括固定安装在隧道结构上的支架，以及支撑在相邻