Danla Expressway, namely Dandong? Expressway, Lhasa, starts from Dandong City, Liaoning Province, and ends in Lhasa City, Xizang Autonomous Region, planned by the Ministry of Communications 1992? Five vertical and seven horizontal? A horizontal line of the national trunk line was cancelled. According to the new plan, the section from Dandong to Shenyang now belongs to the national highway G 113 Danfu Expressway, the section from Shenyang to Beijing now belongs to the national highway G1Jingha Expressway, and the section from Beijing to Lhasa now belongs to the national highway G6 Beijing-Tibet Expressway.
Provincial situation
Liaoning province:
Hebei Province: On September 7, 2005, expressway, which once only connected Xuanhua to Zhangjiakou, extended to the border between Hebei and Mongolia.
Beijing:
From June 5th to1October, 2003, the Jintang branch line of Danla expressway was opened to traffic.
Shanxi Province:
Inner Mongolia Autonomous Region: On June 25th, 2005, 165438+ Danla runs through expressway, Inner Mongolia, including Ji Hu Expressway (Jining District, Wulanchabu City to Hohhot), Hu Bao Expressway (Hohhot to Baotou) and Hada Expressway (Hadmen, Baotou City to Dengkou County, Bayannaoer City).
Ningxia Hui Autonomous Region: On October 5th, 2002/kloc-0, 165438, expressway, Ningxia Shizhong was opened to traffic. Expressway, a 253㎞ long stone (Zuishan) in Ningxia, which runs through Ningxia Plain, was completed and opened to traffic, with a total mileage of over 340 kilometers. Shizhong expressway is an important part of the national trunk highway from Dandong to Beijing to Lhasa, which closely connects Yinchuan, Shizuishan and Wuzhong, three prefecture-level cities with relatively developed economy in Ningxia, and plays an important role in local economic development.
Gansu province:
Qinghai province:
Xizang Autonomous Region:
production plan
Construction project
97% of the new tunnel wall and 365,438+0% of the cover plate were completed; About 95% of the old roads are excavated for oil removal, and 2 "are excavated for repair, accounting for about 8.3% of the total. Foundation reinforcement completed 40%. 3 km subgrade earthwork on both sides of the railway overpass bridge is completed; The housing construction project is progressing smoothly. Except for Shengli Road Interchange, which was completed on July 30th, other toll stations and service areas can be completed on June 30th. Traffic engineering, signs, markings, guardrails, isolation guardrails and other projects are progressing smoothly. Except for the influence of civil engineering in the old road utilization section, the rest can be completed on time on July 1 day.
Gardening project
Construction started on March 20th, 2003, with a total greening mileage of 99.3㎞. It is designed to plant about 654.38+300,000 trees and 2.2 million shrubs. Except for the sections that cannot be afforested due to cross construction, the greening of the main line can basically be realized. In the rainy season and autumn of 2003, the overpass and the greening of service areas and toll stations were completed, and the greening of service areas and toll stations was basically completed before the opening of traffic in July; Mechanical and electrical engineering has completed the production of 42 inspection loops of toll stations and interchanges, purchased monitoring, communication and charging system equipment, and some materials and equipment have entered the site and directly buried monitoring power cables, which were completed on July 30, 2005 to realize network charging.
Final acceptance of construction
The barragon-Xindi-Mahuangou section of Danla expressway recently passed the completion acceptance. The project started in 2003 and was completed and opened to traffic in 2005, which lasted two years and five months. After two years of use, all technical indexes of the project have reached the design requirements and the quality standards issued by the Ministry of Communications, and the quality level of the whole line is excellent. Barragon-Xindi-Mahuangou expressway, the trunk line of Danla National Highway, is an important part of the national expressway network planning, and it is one of the important external channels and economic trunk lines connecting North China and Northwest China in Inner Mongolia Autonomous Region.
major malfunction
On the evening of October 23rd, 2007 1 1, three Mercedes-Benz semi-trailers and a car carrying steel plates were driving from south to north when they reached the viaduct of Minzu East Road in Baotou City, and the bridge deck suddenly tilted, causing two trucks and a car to slide to the bottom of the bridge with the road surface, which led to the suspension of the special railway line under the bridge, and the bridge body tilted 45 degrees, with one end on the line.
Affected by this, the line at 23㎞+60m of Baotou Railway was blocked, 2 pairs of railway commuter buses and 6 pairs of freight trains stopped, and there were no casualties on the railway. According to the preliminary determination of the bridge expert group, three trucks are seriously overloaded and driving on the same bridge, which is an important reason for the tilt.
The above is the introduction of Zhong Da Consulting to Danla Expressway. For more information about expressways, please pay attention to the architectural knowledge column of Zhong Da Consulting.
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