目前,C_(50)型敞车侧柱外涨的现象仍然严重。它危及行车安全、影响车辆运用,给车辆维修部门增加很大工作量。1.侧柱外涨的原因C_(50)型敞车侧柱外涨主要有以下几方面的原因:(1)侧柱根部受力大:特别是装载水洗煤一类胶泥状态的货物时其根部所承受的压力最大。(2)侧柱及内背柱材料的防腐 At present, C_ (50) type gondola jambs outside the phenomenon of rising is still serious. It endangers traffic safety and affects vehicle utilization, adding a great workload to vehicle maintenance departments. 1. The reasons for the rise outside the jamb C_ (50) gondola outside the jamb has the following main reasons for the following reasons: (1) the pressure on the jamb at the root: in particular, Under the greatest pressure. (2) anti-corrosion of the side column and inner column material