欧美一级做一级a做片|给我看免费的播放片无码|国产理伦电影尤物导航|国产av久久久久久久|一级A片AV在线播放|日韩三级黄色电影片|精品日韩黄片亚洲AⅤ色|婷婷五月天第四页|黄色一级日韩黄级A片|色五月五月天欧美日韩一二三

Municipal and highway engineering
Yuhe bridge, Chongwen street, Weifang City
Yuhe bridge, Chongwen street, Weifang City, is located on the east side of Beihai Road. It is a reinforced concrete hollow arch bridge with a net span of 40m and a total bridge deck width of 22m. The cross section is arranged as 3M sidewalk + 16m motorway + 3M sidewalk, with a design life of 100 years and a seismic intensity of 7 degrees. C40 and C30 concrete are used for the main body, 4cmac-13 fine-grained modified asphalt concrete + 6cmac-20 modified asphalt concrete are used for the pavement of the carriageway, cherry red granite fire plate is used for the pavement of the sidewalk, and mirror cherry red granite is used for the kerb. Won the 2015 Shandong municipal gold cup demonstration project award.