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Published in:
2019 | OriginalPaper | Chapter
11. Practice in Treatment of the Bumps at Bridgeheads on the Highways in Wenzhou City
Authors : Hanhua Zhu, Zhijun Wu, Mengchong Chen, Yongli Zhao
Published in: Controlling Differential Settlement of Highway Soft Soil Subgrade
Publisher: Springer Singapore
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Abstract
With a total length of 10 km, the Ouhai section of National Highway 104 in Wenzhou is a typical soft soil section. After this section was opened to traffic after reconstruction in 2000, the differential settlement developed in the soft soil subgrade, causing very severe bumps at the bridgeheads. The average daily mixed traffic volume at this section ranges from 50,000 to 60,000 vehicles. This section has 13 bridges. The bridgeheads need to be paved each year. To effectively solve the bumps at bridgeheads, in 2008, Xiacheng No. 2 Bridge was chosen as the test project, in which four different methods were adopted to treat the corresponding four bridgeheads.