摘要
数值模拟了在横向风的 ,不同来流攻角作用下 ,双层客车车辆单体、铁路 2 4米预应力T形简支梁桥单体、双层客车车辆 - 2 4米预应力T形简支梁桥组合体、以及在不同路堤高度上双层客车车辆的气动三分力系数。研究表明 ,双层客车车辆在桥梁、路堤上所受风荷载均比双层客车车辆单独存在时明显增大 ,因而在计算双层客车车辆所受横向风荷载时 ,应重视桥梁。
Based on numerical simulation for double deck vehicle in crosswind with different angle of attacks, it is found that the vehicle's three areodyramic coefficients become obviously large when the vehicle running on railroad 24m free supported bridge with T configure or on embankment, compared with those of considering the vehicle only Accordingly, the affect of enlarged wind loads acting on the vehicle should be taken seriously
出处
《国防科技大学学报》
EI
CAS
CSCD
北大核心
2001年第5期117-121,共5页
Journal of National University of Defense Technology
基金
国家自然科学基金项目 (编号 :5 97780 43)
长沙铁道学院科研基金联合资助
