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Soil-Steel Interaction of Long-Span Box Culverts-Performance during Backfilling
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Design and Bridges.
2010 (English)In: Journal of Geotechnical and Geoenvironmental Engineering, ISSN 1090-0241, E-ISSN 1943-5606, Vol. 136, no 6, 823-832 p.Article in journal (Refereed) Published
Abstract [en]

The paper presents the performance of four long-span deep-corrugated steel box culverts with spans of 8- and 14-m during backfilling, as well as comparisons with finite-element modeling and design codes. Two of the culverts were stiffened at the crown arch. The test results show that the stiffening applied on the culverts is quite effective. The crown rises of the respective stiffened culverts were found to be half those of the not-stiffened culverts. The influence of the structure geometry on the soil-passive earth pressure was confirmed, as well as the sensitivity of box culverts to soil loads with increasing spans. The results showed that the influence of the size and shape of the box culverts on the amount of thrusts must be better implemented in the design method. The finite-element analysis results were conservative when live loading was concerned but the crown displacements and thrust during backfilling were underestimated.

Place, publisher, year, edition, pages
2010. Vol. 136, no 6, 823-832 p.
Keyword [en]
Box culverts, Buried structures, Field tests, Instrumentation, Soil-steel structures, Structural response, Design methods, Soil-structure interaction, Finite-element modeling
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:kth:diva-13734DOI: 10.1061/(ASCE)GT.1943-5606.0000287ISI: 000277742100005Scopus ID: 2-s2.0-77953338338OAI: oai:DiVA.org:kth-13734DiVA: diva2:326813
Note
QC 20100624Available from: 2010-06-24 Created: 2010-06-24 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Static and dynamic behaviour of soil-steel composite bridges obtained by field testing
Open this publication in new window or tab >>Static and dynamic behaviour of soil-steel composite bridges obtained by field testing
2009 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH, 2009. xviii, 55 p.
Series
Trita-BKN. Bulletin, ISSN 1103-4270 ; 98
Identifiers
urn:nbn:se:kth:diva-10530 (URN)
Public defence
2009-05-27, F3, Lindstedtsvägen 26, KTH, Stockholm, 10:00 (English)
Opponent
Supervisors
Note
QC 20100624Available from: 2009-05-25 Created: 2009-05-25 Last updated: 2010-07-19Bibliographically approved

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