S29 Investigation and Design of Wudongde-Luquan Expressway in Sichuan-Yunnan Border

Project construction site: in Luquan County and Fumin County, Kunming City, Yunnan Province.

The recommended plan starts from the provincial boundary between Sichuan and Yunnan, and is located at the end of the bridge platform of the Jinsha River boundary super bridge near Sangushui, Tieliu Town, Huidong County, Liangshan Prefecture, Sichuan Province and near Batang Village, Wudongde Town, Kunming City, Yunnan Province. Shun from Huili to Luquan (Sichuan section) ending point (Jinsha River, Sichuan-Yunnan border), enter the territory of Yunnan to Ganbatang, the route starts to ascend the slope, and set up a long tunnel to go down from the southern edge of the planning area of Wudongde Tourism Town From Chuanshanliang to Chide, via the north side of the immigrant new village, Wudongde interchange is set up at NK36+227, serving Wudongde Power Station and the planned Wudongde tourist town area. Then set up an extra-long tunnel to cross the mountain beam to Aqiao Village, and set up a bridge to pass through the east side of Aqiao Village. Then set up the middle tunnel and extra-long tunnel to cross the spider mountain ridge to the Erdao River Valley, set up the bridge to cross the Erdao River, continue the route upslope, set up the tunnel and bridge to cross the mountain ridge and cross the Gouqing, pass Songlinping, Shuanglongtan, and then go to the end of the road. AK52+800 is set up with a Dasongshu interchange, and a connecting line is set up to the provincial road, serving Malutang Township and the village area along the Wudongde Town. Afterwards, a super-long tunnel will be set up to pass through Bigushanliang to the west of Dacun, across Yayangou and Zuzongqing, and then a super-long tunnel will be set up to pass through Lanjiancaozishanliang to the north of Dapingzi. , the route continues to ascend and route, set up tunnels to cross the mountain beams, set up bridges to cross the ditch, and set up the Malutang interchange and connection line at AK72+070 on the east side of Kaxi, serving the villages and market towns along the Malutang line. The route then sets up a super-long tunnel to cross the mountain beam to Lvgouqing, and starts to slowly descend the slope on the AK80+042 route. A bridge is set to cross the Gouqing, and a tunnel is set to cross the mountain beam, passing through Nongmuben and Xinan period. At LK87+322, the Heihe interchange and connecting line will be set up, and the service will be to the villages along the Heixiang line. After crossing the Fawo River via Puziga, set up a tunnel to cross the mountain beam to Kabu, pass Yishudu, set up an extra-long tunnel to cross the mountain beam to Lufangqing, set up a bridge to cross the Qing, route uphill on the LK97+617 route, and cut the wood. Dunzi LK99+090 is set up with Zhongping Interchange and connecting lines to serve Zhongping Town Area. Via Camellia Qing, Fenghuang Xiacun East, set up bridges across Wolongqing, via Sadouwu, Shu'an, Heilongtan East, Zhuogan (Mongolia) West, at AK112+348, Tuan Street Interchange Service Tuanjie Township Area. The route continues downhill wiring, via the microphone called Du and Bi Shi. Set up a bridge to cross the Benyi River, set up a tunnel to cross the mountain beam, set up a bridge to cross the ditch and Qing, pass Halong to the west, set up an extra-long tunnel to cross Sahun Zhaoshan to Meiziqing, pass through Daijia Village West, Guanzhuang East, Cuihua North, Yuda At AK126+005 in Xintian South, Cuihua hub interchange and Cuihua connecting line are set up to serve the village area along the Cuihua line. The route will continue to descend the slope, set up a bridge to cross the ditch, set up a tunnel to cross the mountain beam, pass through Haozhiqing East to Chilangqing, set up a bridge to cross the Qinggou, set up an extra-long tunnel to the east of Alaqing, and set up a tunnel to cross the mountain and set up a bridge. Cross Qing. Via Dagangling and Shibaqing, set up a super bridge at AK139+895 to cross the river valley, enter the territory of Fumin County, Kunming City, and cross the Wudanxun Expressway at the northwest of Dongcun, Fumin County, AK140+820, and set up a cross-shaped hub interchange to connect Wutong. If looking for the expressway, take AK141+463 to the stop of Kunran expressway. The total length of the route is 111.025 kilometers, of which 109.341 kilometers are in Luquan and 1.684 kilometers are in Fumin. Simultaneously build 29.695 kilometers of interchange connecting lines, including 1.208 kilometers of first-class highways, 8.02 kilometers of second-class highways, and 20.467 kilometers of third-class highways.

Bridge and tunnel setting: SJ1 main project scale: Lanjiachaozi extra-long tunnel and Daniupengshan extra-long tunnel. The length of the tunnel is 41870m/16, the bridge is 8380m/26, the bridge-tunnel ratio is 88.16%; the interchange connection line is 25.817 kilometers. The main project scales of the SJ2 bid are the Xiaoshuijing super-long tunnel, the Dongcun super-bridge, the Dongcun hub and the Sahun Zhaoshan super-long tunnel. The length of the tunnel is 25304m/11, the bridge is 12885/25, the bridge-tunnel ratio is 72.64%, and the interchange connection line is 3.878 kilometers.

Interchange settings: There are 8 interchanges, including 2 hub interchanges and 6 general interchanges. That is, the main line: Wudongde Interchange, Dasongshu Interchange, Malutang Interchange, Zehei Interchange, Zhongping Interchange, Tuanjie Interchange, Cuihua Hub Interchange, and Dongcun Interchange.

Main control points: Jinsha River, Wudongde, Aqiao Village, Dasongshu, Malutang, Xinanqi, Zehei, Zhongping, Camellia, Tuanjie, Cuihua, and Dongcun hubs.

SJ1 lot

The first place: Yunnan Provincial Transportation Planning and Design Research Institute Co., Ltd.

Bidding price: 61450000 yuan

Second place: Guizhou Provincial Transportation Planning Survey and Design Research Institute Co., Ltd.

Bidding price: 61970324 yuan

Third place: Sichuan Provincial Highway Planning, Survey and Design Research Institute Co., Ltd.

Bidding price: 62179536 yuan

SJ2 lot

First place: CCCC First Highway Survey and Design Research Institute Co., Ltd.

Bidding price: 49909773 yuan

Second place: China Highway Engineering Consulting Group Co., Ltd.

Bidding price: 50428938 yuan

Third place: China Railway Eryuan Engineering Group Co., Ltd.

Bidding price: 50218493 yuan