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Designed by Shandong High Speed Croup, the building was were only available in December 2006 and take care of in December 2010, after 14 numerous years of planning researches since 1993, which employed 30,000 workers to develop, and used 450,000 a lot of steel and a couple of.3 million cubic meters of concrete, having a total investment of approximately 9 billion yuan. The open from the bridge will decrease traffic time from Qingdao to Huangdao District by at the very least 20 mins and release pressure about the Jiaozhou Bay Expressway. Furthermore, the Qingdao Haiwan Bridge will be the starting area of national expressway from Qingdao to Lanzhou and the key part of high way net of Shandong.
Wide provided suitable for busy trunk, also can be laid in tunnel and station floor maintenance difficulties, stone or soil subgrade are laid, but the mud pumping in the diseases of roadbed must be laid on the roadbed diseases after renovation. The main advantages of the wide sleeper circuit are: the suborbital sinking is small. The vibration acceleration is smaller than the concrete sleeper line, which gradually slows down and stops after laying. So the line maintenance work is greatly reduced, about a third of the general concrete sleeper line. The track is easy to keep clean. Dirt is not easy to break into the bed and prolong the repair cycle of the route. The line is smooth and stable, which is conducive to high-speed operation and the laying of seamless circuit. The disadvantage is that the cost is higher, and it is more difficult to change the shop on the busy trunk line
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