Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Static and Dynamic Testing of Sei Dareh Cable-Stayed Bridge West Sumatera, Indonesia

Version 1 : Received: 18 April 2021 / Approved: 19 April 2021 / Online: 19 April 2021 (15:59:50 CEST)

How to cite: Sumargo, S.; Ramdhani, A.L. Static and Dynamic Testing of Sei Dareh Cable-Stayed Bridge West Sumatera, Indonesia. Preprints 2021, 2021040506 (doi: 10.20944/preprints202104.0506.v1). Sumargo, S.; Ramdhani, A.L. Static and Dynamic Testing of Sei Dareh Cable-Stayed Bridge West Sumatera, Indonesia. Preprints 2021, 2021040506 (doi: 10.20944/preprints202104.0506.v1).

Abstract

The Sei Dareh Bridge is a cable-stayed bridge located in West Sumatra Province, Indonesia. The bridge, has a main span of 123 meters length and 9 meters wide, crosses the Batanghari River. Traffic load is transmitted through 4 prestressed cables to a 42.4 meter high pylon made of concrete. Bridge deck and traffic loads are directly supported by steel box girders as main beams that are reinforced laterally with cross beams IWF 800.300.16.24 and stringers IWF 350.350.12.19. This paper discusses static and dynamic testing on the bridge which aims to assess the feasibility before it is opened for public. Based on the test, it was concluded that the 73% static load could not be achieved because the deflection that occurred was beyond the allowable deflection. This is exacerbated by the sound of a loud clanging sound on the ST2-X1 prestressed cable when loading to 240 tons or 58% of the targeted load. In addition, this bridge is included in the "lazy bridge" category because it takes 24 hours to return to an undeformed condition after loading. As a recommendation for this bridge, it is necessary to carry out a structural health monitoring system (SHMS) regularly on the vehicle floor and cables.

Subject Areas

Structural health monitoring; bridge load testing; dynamic testing; operational modal analysis; experimental modal analysis

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