高吨位消防车等效荷载取值研究

Study on equivalent load for high tonnage fire engines

当前,国内许多城市采购了高吨位(63t)登高消防车,但对于该车在消防车道上行驶及在扑救工作状态下的等效荷载尚未有权威的数据资料。依据成都市有关消防部门提供资料及现场测量数据,对该车在不同的车型组合、不同的着地位置、不同的覆土深度等工况下的均布荷载进行了等效研究。得到了63t级消防车在正常行驶时和展开扑救工作时的等效均布荷载计算值,可为考虑该消防车荷载项目的结构设计及规范编制提供参考。

At present,many domestic cities have purchased high tonnage（ 63 tons） lift-up fire engines,but there is not yet authoritative data for equivalent loads of the engines when driving in the fire lane and under the fighting working conditions.According to the written information and field measurement data provided by the Chengdu city fire department,equivalent uniformly distributed loads under all working conditions were studied,such as different vehicle type combinations,different landing locations,different soil depths,etc. The equivalent uniformly distributed loads of 63-ton lift-up fire engines were obtained in normally driving and under the fighting working conditions. The corresponding conclusions can provide reference for the structure project design and specification compilation of load design for this kind of fire engines.