Seminar on STRESS RIBBON BRIDGE

. Seminar on STRESS RIBBON BRIDGE. D SHARON SUMANTH 18261A0159 CIVIL 2.

. INTRODUCTION.

Stress ribbon bridge: Modern analogy of ROPE BRIDGE.

. Stress Ribbon Bridge. Features:. abstract.

. STRUCTURE.

. Supports:. Stress Ribbon Bridge. STEEL PIPE PRESTREESED STEEL CABLES DECK SLAB INTERMEDIATE SUPPORT.

pua Olqe• uoddns. . Stress Ribbon Bridge. Supports:.

. Stress Ribbon Bridge. abstract. Simple support with constant section.

abstract. abstract. . Stress Ribbon Bridge. Deck:.

. Deck:. Stress Ribbon Bridge. abstract. Lake Hodges Bridge, USA.

. FABRICATION.

Cables are hanged from supports. Pre cast segments are slided over the bearing tendons to desired position.

. Stress Ribbon Bridge. Leviation Stage:. abstract.

. Stress Ribbon Bridge. Leviation Stage:. Shifting of precast segment on bearing cables.

Static analysis is done at this stage.. After sufficient hardening of joints, post tensioning is done by pre-stressing tendons..

. Stress Ribbon Bridge. Service /Ultimate Stage:.

. Concluding notes.

. Stress Ribbon Bridge. Advantages:.

Disadvantages:. . Stress Ribbon Bridge. Large horizontal forces at the end and intermediate which determines economy of bridge..

. 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%.

. Some important bridges in this category:. Stress Ribbon Bridge.

Rogue River Pedestrian Bridge. . . Lake Hodges Bridge.

. 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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