Nanchuan-Liangjiang Expressway
The expressway from Nanchuan to Liangjiang New Area in Chongqing is 73.5 kilometers long. The starting point is Dapuzi in Nanchuan District and the G65 Baomao Expressway (Yuxiang Expressway), and the end point is Liujiawan in Luoqi Town, Yubei District and the Hechuan-Changshou section of Chongqing Third Ring Expressway. Its key control project, Taihong Yangtze River Bridge, uses tunnel anchors on the south bank, and uses frame gravity anchors on the north bank. The cable tower adopts a linear inner inclined tower, which is a reinforced concrete structure. The main cable is a prefabricated parallel steel wire strand with a steel wire diameter of 5mm, a single strand of 127 wires, and a single strand of 110 strands. In the design process of the bridge, Bently platform's PowerCivil, CivilStationBridge, Tekla and other software were used to establish the BIM model of the recommended scheme, and to provide more intuitive, comprehensive and effective data support for each stage of design, construction, operation, maintenance and transformation.