DBPapers
DOI: 10.5593/SGEM2014/B32/S13.036

THE MEASUREMENT OF SOIL-STRUCTURE INTERACTION OF BURIED STRUCTURE DURING CONSTRUCTION

M.Foglar, M.Drahorad, T.Martinek
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-14-8 / ISSN 1314-2704, June 19-25, 2014, Book 3, Vol. 2, 267-272 pp

ABSTRACT
This paper presents arrangement and results of continuous monitoring of soil-structure interaction of a reinforced concrete (RC) buried arch bridge near Tábor, Czech Republic. The bridge was equipped by earth pressure measurement gauges and deflection measurement strings. The measurements were performed continuously for 8 days in fall 2013 during the entire construction process. The deflections were recorded during the entire fill placement and compaction process from the level of the foot drainage up to the level of the rail including compaction of the ballast. After the compacting of the fill was finished, the structure was loaded by static probe vehicle loading. For this purpose, a 74 ton locomotive was placed in several positions. The experimental showed interesting results in means of impact of the real site compaction conditions on the deflections and earth pressures a buried arch structure. Especially the compaction of the ballast, as the final stage of construction showed its decisive role for design of the structure.

Keywords: Buried structure, earth pressure, construction stages

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