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Case Name：Shanghai-Kunming passenger dedicated Guizhou SegmentTime：2015-11-3 16:51:03 |
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Shanghai-Kunming passenger dedicated an important part of the national plan of "five vertical and five horizontal" integrated transport large channel and "four vertical and four horizontal" railway passenger line network, the state of things to the line the longest mileage, most railway artery through the provinces. Wherein Guizhou segment, line terrain complex geological conditions, the distribution of nature reserves, water source protection areas and other environmentally sensitive areas more. Technical difficulties and more difficult to control the quality, environmental protection and construction safety risk, the project is very difficult. Which is located in Puan County, Guizhou Beipanjiang Bridge, the main bridge deck structure steel reinforced concrete arch bridge, arch span 445 meters, is the world's largest span of the same type of high-speed rail bridge, the industry was hailed as "the world's first cross. " Our production of high-quality concrete admixtures efficient, has been widely used in various engineering segment, overcome various difficulties, affect the smooth flow of railway safety has laid an important foundation. |
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