Nanjing Yangtze River Bridge, we are familiar with a bridge, but also a beautiful landscape of Nanjing. However, in the years of destruction, the bridge has been damaged. As a bridge connecting the two sides, timely maintenance is very necessary.
29, the national development and Reform Commission issued a formal approval, agreed that the Nanjing Yangtze River Bridge closed maintenance renovation project, is expected to close the maintenance will last about 27 months, the project estimates a total investment of 1 billion 90 million yuan. Although the cost is quite large, but the maintenance and renovation will maintain the original design load standards in Yangtze River bridge, after the implementation of restrictions on the implementation of the limit load and other traffic control measures to ensure the safe operation of the bridge.
29, the national development and Reform Commission for the Jiangsu development and Reform Commission submitted "on the approval of Nanjing Yangtze River Bridge highway bridge renovation project proposal from" back, replied, "to enhance the Nanjing Yangtze River Bridge highway bridge structure safety and durability, agreed to closed repair reconstruction on the bridge, to eliminate safety hazards."
according to the approval, the main purpose is to maintain the bridge maintenance: the transformation of the original design style, focusing on the elimination of bridge structure safety hazards, effectively improve the durability.
renovation works include: since the bridge road, stop at the south bridge ramp, including North Bridge, North Bridge building, highway bridge, South Bridge building, South Bridge Approach and bifurcation landing back Longqiao, a total length of about 5165 meters.
the main construction contents include: the transformation of highway bridge structure maintenance and renovation, renovation, bridge panel bridge building renovation and traffic safety facilities and other ancillary engineering maintenance.
however, the transformation of maintenance will maintain the original design technical standards unchanged. After the completion of the bridge maintenance and renovation, the traffic control measures shall be adopted to ensure the safety of the bridge meet the design load standard.
total renovation and maintenance plans to estimate the total investment of 1 billion 90 million yuan, construction funds raised by the Nanjing Municipal People’s government. Estimated construction period of about 27 months.
1968 in December opening of the Nanjing Yangtze River Bridge, is the first to design, construction Chinese across the insurmountable highway and railway bridge, is still high strength "service" heritage "model".
in the 48 years of operating history, Yangtze River bridge has experienced six major Chinese speed railway, running speed of railway bridge train has increased to 140 km / h, the current through the bridge of passenger and freight trains up to more than and 200; in addition, the flow of traffic on the highway bridge is over 80 thousand units per year, far exceeding the design when the capacity of 10 thousand cars.