Preventive measures are presented aiming at strengthening the subgrade and pavement drainage and the trench treatment.
从加强路基和路面排水及路槽处理等方面着手，提出防治的对策。
2
Strengthen the characteristics, landscape node set sculpture, strengthening the humanities landscape, pavement rich and uniform, highlighting Deng Yi Cheng commercial street, a unique brand.
强化景观节点特色，设置雕塑，强化人文景观，地面铺装丰富而统一，突出紫陌驿城商业街的独有品牌。
3
Also introduced here are the mixture ratio and design of pavement, base, sub-base, sub-seal and old road strengthening for typical pavement structure of different road classes in Zhengzhou.