The Chiani suspension Bridge: a complete overhaul
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Bibliographic Details
| Author(s): |
Marco Petrangeli
Marcello Petrangeli |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Symposium: Sustainable Infrastructure - Environment Friendly, Safe and Resource Efficient, Bangkok, Thailand, 9-11 September 2009 | ||||
| Published in: | IABSE Symposium Bangkok 2009 | ||||
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| Page(s): | 181-190 | ||||
| Total no. of pages: | 8 | ||||
| Year: | 2009 | ||||
| DOI: | 10.2749/222137809796088503 | ||||
| Abstract: |
The paper presents the total rehabilitation of the Chiani suspension bridge in Algeria. The bridge, designed by the French engineer Arnodin at the beginning of the last century span 105 metres using a mixed cable supporting system with a stayed deck portion near the towers. The bridge was designed and built before the similar Sidi M’Cid one in Constantine, Algeria. The authors have been asked to engineer a complete overhaul of the bridge, a beautiful structure completely abandoned and closed to traffic because of its severe state of degradation. The works included the complete substitution of the suspension system, the widening of the superstructure with new pedestrian sidewalks moved out of the parapet girders and a new concrete deck to allow for unrestricted vehicular transit. An innovative suspension system with resin encased strands has been used for the main cables, stays and hangers replacement in lieu of ropes and steel bars. New saddles, made of welded plates following a concept originally developed for the 3rd generation suspension bridges, have been placed over the existing ones with the two systems working in parallel during the load transfer. |
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| Keywords: |
suspension bridge strands saddle cable substitution deck widening Clamps
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