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The reconstruction of the Middle Yanggao Road in Shanghai covers a 3.5-km-long section from the Luoshan Road Overpass in the east to the Middle Ring Overpass in the west.
The road is located in the main thorough-fare of the inner and outer ring roads, with very heavy traffic. In order to ease the traffic flow, three new ramps were built and one new ramp was additionally reconstructed.
Since the project is situated in a densely populated area, the requirements for the installed joints in terms of noise emission were very high, which had a huge importance when it came to the selection of the right expansion joint type.
After a thorough consideration, mageba’s TENSA-POLYFLEX-ADVANCED PU plug expansion joint was selected for use, as this joint type meets the technical requirements for high and uneven vertical deformation frequencies that may arise on both sides of the viaduct.
It also ensures seamless connections on both ends of the curved viaducts with low-noise emission of the overpassing traffic due to its smooth surface that is flushed with the adjacent road surface.
As a result, TENSA-POLYFLEX-ADVANCED PU joint provides the highest possible driving comfort and in addition it is watertight, therefore it can effectively protect the substructure.
In 2022, mageba installed a total of 190 m TENSA-POLYFLEX-ADVANCED PU plug expansion joints on Middle Yanggao Road, from the Luoshan Road Overpass to the Middle Ring Overpass.
TENSA-POLYFLEX-ADVANCED PU joints
Shanghai Pudong Engineering Construction Management Co., Ltd
Shanghai Pudong Road & Bridge (Group) Co., Ltd