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Analysis of the shear strength of joints in segmental prestressed concrete bridges
Southeast University, Nanjing.
Southeast University, Nanjing.
Southeast University, Nanjing.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-8682-876X
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2016 (English)In: 19th IABSE Congress Strockholm 21-23 September 2016: Challenges in Design and Construction of an Innovative and Sustainable Built Environment / [ed] Lennart Elfgren, Johan Jonsson, Mats Karlsson, Lahja Rydberg-Forssbeck and Britt Sigfrid, CH - 8093 Zürich, Switzerland, 2016, 573-579 p.Conference paper (Refereed)
Abstract [en]

Joints in segmental prestressed concrete bridge (SPCB) are weak links and shear failures are likely to take place under loads. Determining the shear strength is an important part in the design of a SPCB. The shear strength in the joint relates closely to the joint form (as dry joints, epoxy joints, flat joints and keyed joints). The strength can be divided into three main parts: (1) The strength of the dry plane connection, known mainly as concrete surface friction; (2) The strength of the epoxy plane connection; and (3) The strength of the shear key root. This paper analyzes the failure mechanism and shear strength of these three parts .It also considers the influences of the shear key size and the seam height to shear strength, and establishes calculation formulas of the joint section strength in a united form. This provides a guide for the joint design in precast segmental bridges

Place, publisher, year, edition, pages
CH - 8093 Zürich, Switzerland, 2016. 573-579 p.
Series
IABSE Congress Report
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-63550ScopusID: 2-s2.0-85018972372ISBN: 978-3-85748-144-4 (print)OAI: oai:DiVA.org:ltu-63550DiVA: diva2:1098807
Conference
19th IABSE Congress, Strockholm, 21-23 September 2016
Funder
EU, FP7, Seventh Framework Programme
Available from: 2017-05-26 Created: 2017-05-26 Last updated: 2017-05-26Bibliographically approved

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