汝郴高速是厦(厦门)蓉(成都)高速的重要组成部分,全长112.345公里,其重点控制性工程——赤石特大桥位于湖南郴州宜章县赤石乡,主桥设计为四塔双索面预应力混凝土斜拉桥,全长1470米,主跨径380米,桥面高182米,是目前世界第一大跨径高墩多塔混凝土斜拉桥。中交二航局承建了四座主塔中的两座,其中7号主塔高 Ruchen Expressway is an important part of Xiamen (Chengdu) Expressway (Chengdu), with a total length of 112.345 kilometers. Its key controlled project - Aishi Bridge is located in Akaishi, Yizhang County, Chenzhou, Hunan Province. The main bridge is designed with four towers and two cables Prestressed concrete cable-stayed bridge, a total length of 1470 meters, the main span of 380 meters, 182 meters high bridge deck, is the world’s first large-span high-pier multi-tower concrete cable-stayed bridge. In the Second Navigational Bureau of CCCC, two of the four main towers are constructed, of which the No. 7 main tower is high