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The Development of a Novel Over-Ramp System for the Replacement of Movement Joints.

The Development of a Novel Over-Ramp System for the Replacement of Movement Joints.
Author(s): , , , ,
Presented at IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, published in , pp. 2901-2908
DOI: 10.2749/222137814814069732
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The Queen Elizabeth II (QEII) Bridge carries the southbound traffic over the River Thames on the eastern side of the M25 Orbital Motorway around London. The bridge carries over 80,000 vehicles per...
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Bibliographic Details

Author(s):





Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014
Published in:
Page(s): 2901-2908 Total no. of pages: 8
Page(s): 2901-2908
Total no. of pages: 8
Year: 2014
DOI: 10.2749/222137814814069732
Abstract:

The Queen Elizabeth II (QEII) Bridge carries the southbound traffic over the River Thames on the eastern side of the M25 Orbital Motorway around London. The bridge carries over 80,000 vehicles per day, and comprises a cable stayed bridge of 800m with adjoining approach viaducts of around 1km each. The bridge is just over 20 years old and work commenced in 2013 to progressively replace the six multi-element movement joints. Due to its strategic importance and political sensitivity if closed, lane and carriageway closures on the bridge are only practicable for brief night-time periods. To facilitate joint replacement a novel temporary over-ramp system was designed so that no restrictions were imposed on either daytime carriageway availability or traffic speed during the entire works. This paper describes the collaborative development of the ramping system from constraints and concept, through detailed design and testing, to installation and use.

Keywords:
steel maintenance renewal health and safety vibration expansion joints traffic management Temporary Structures Vehicular Barriers