Regarding semi rigidbase asphalt concrete road as the main object, the model of road stress and strain and their calculating method were studied in the paper.
以半刚性基层沥青路面为对象，研究了路面的应力应变模型和计算方法。
2
The Shunwai Road Bridge of Yudai River in Nanchang is a portal rigid-jointed frame bridge with 22-meter net-span, adopting ampliate base.
南昌市玉带河顺外路桥为一净跨22米的门式刚架桥，采用扩大基础。
3
Urban road semi-rigidbase adopts the technology of cement stabilized gravel for research.