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Research Article Open access CC BY 4.0

Summary of Research on Shear Strength of Keyed Joints in Segmental Precast Assembled Bridge

Feng Chenpeng

Journal of Engineering Research and Reports · pp. 102–109 · Published 10 May 2023

10.9734/jerr/2023/v25i1874

Abstract

Shear keys are important parts that affect the mechanical properties and durability of segmental precast concrete bridge structures. In order to improve the understanding of the mechanical properties of the shear key of the segmental precast bridge, this paper summarizes the factors affecting the shear performance of the key teeth joints of the segmental precast bridge according to the relevant research at home and abroad, including the area of the shear key, the number of key teeth, the height of the key teeth, the form and the layout scheme. This paper expounds on the research results of the mechanical properties of the key teeth joints at home and abroad, including the failure mode and crack development law of the key teeth test, the theoretical derivation of the shear bearing capacity formula and the analysis of the finite element simulation results.

Shear bonds segmental precast concrete bridges dry joints glue joints

References (8)

  1. 1 Shear Behavior of Dry Joints with Castellated Keys in Precast Concrete Segmental Bridges [DOI]
  2. 2 Feasibility Study of Steel Bar Corrosion Monitoring Using a Piezoceramic Transducer Enabled Time Reversal Method [DOI]
  3. 3 Flexural behaviour of precast segmental concrete beams internally prestressed with unbonded CFRP tendons under four-point loading [DOI]
  4. 4 Stresses, deformations and damages of various joints in precast concrete segmental box girder bridges subjected to direct shear loading [DOI]
  5. 5 FEM modelling of unbonded post-tensioned segmental beams with dry joints [DOI]
  6. 6 Experimental Study on the Shear Transfer in Joints of Precast Segmental Bridge
  7. 7 An Overview of Precast Prestressed Segmental Bridges [DOI]
  8. 8 Experimental study of the shear strength of precast segmental beams with external prestressing [DOI]

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