Seminar on STRESS RIBBON BRIDGE
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. Seminar on STRESS RIBBON BRIDGE. D SHARON SUMANTH 18261A0159 CIVIL 2.
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. INTRODUCTION.
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Stress ribbon bridge: Modern analogy of ROPE BRIDGE.
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. Stress Ribbon Bridge. Features:. abstract.
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. STRUCTURE.
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. Supports:. Stress Ribbon Bridge. STEEL PIPE PRESTREESED STEEL CABLES DECK SLAB INTERMEDIATE SUPPORT.
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pua Olqe• uoddns. . Stress Ribbon Bridge. Supports:.
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. Stress Ribbon Bridge. abstract. Simple support with constant section.
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abstract. abstract. . Stress Ribbon Bridge. Deck:.
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. Deck:. Stress Ribbon Bridge. abstract. Lake Hodges Bridge, USA.
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. FABRICATION.
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Cables are hanged from supports. Pre cast segments are slided over the bearing tendons to desired position.
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. Stress Ribbon Bridge. Leviation Stage:. abstract.
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. Stress Ribbon Bridge. Leviation Stage:. Shifting of precast segment on bearing cables.
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Static analysis is done at this stage.. After sufficient hardening of joints, post tensioning is done by pre-stressing tendons..
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. Stress Ribbon Bridge. Service /Ultimate Stage:.
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. Concluding notes.
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. Stress Ribbon Bridge. Advantages:.
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Disadvantages:. . Stress Ribbon Bridge. Large horizontal forces at the end and intermediate which determines economy of bridge..
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. Recent advances: Innovative design uses unidirectional solid carbon fibre cables (TSC). Unsupported spans were significantly increased Supporting structure was reduced Installation time and cost were reduced by over 80%.
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. Some important bridges in this category:. Stress Ribbon Bridge.
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Rogue River Pedestrian Bridge. . . Lake Hodges Bridge.
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. Stress Ribbon Bridge. References:. 1) Strasky,J .- Stress-ribbon pedestrian bridges supported or suspended on arches. Brijuni Islands, 10-14 July 2008. 2) Strasky,J .: Precast stress ribbon pedestrian bridges in Czechoslovakia. PCI JOURNAL, May-June 1987. 3) Strasky,J .: Stress-ribbon pedestrian bridges. International Bridge Conference. Pittsburgh 1999. 4) Nakazawa , Tsutsumi , Yokota- Experimental study on dynamic characteristics of Stress-Ribbon bridge. Ninth world Conference on Earthquake Engineering, JAPAN, Aug 2-9, 1988. 5) Strasky,J .: Stress ribbon and cable supported Pedestrian bridges.
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THANK YOU. .