Wearing surface on orthotropicsteelbridgedeck is a complicated yet still not well solved technical problem.
正交异性钢桥面铺装技术一直是困扰道路工程界与学术界的难题之一，至今尚未得到妥善解决。
2
Especially under the effect of vehicles moving load, the fatigue reliability of the orthotropicsteelbridgedeck needs to been further studied.
特别是在车辆移动荷载作用下，这种复杂结构的疲劳可靠性有待于进一步研究。
3
The optimum designs of long-span orthotropicsteelbridgedeck and its pavement system were studied based on super excellent ant colony optimization strategy.