01661590

Component

A 3D finite element approach is employed to investigate slab end displacements in continuously reinforced concrete (CRC) pavements due to environmental effects. The model takes into account the bond strength behavior between concrete slab and the base layer by employing cohesive zone elements. The effects of different parameters including slab dimensions, location of the reinforcing bar, bond strength, and temperature and moisture gradients are explored. Particularly, employing the cohesive zone elements provides the possibility to investigate the effects of bond behavior between the concrete slab and subbase layer on the slab movements, which have not been studied in the previous published literature. The results of the current research provide design engineers with some insight as to the effect of different design parameters in CRC pavements and answer some of the basic questions on the mechanism of displacements in concrete slab/subgrade structures due to the climatically-induced displacements.

This paper was sponsored by TRB committee AFD50 Standing Committee on Design and Rehabilitation of Concrete Pavements. Alternate title: Effects of Different Parameters on the End Movements in CRC Pavements by Means of Three Dimensional Cohesive Zone Finite Element Modeling.

18-04747

English

15p

2018

Transportation Research Board 97th Annual Meeting

Digital/other

Figures; References; Tables

Bond strength (Materials); Continuously reinforced concrete pavements; Environmental impacts; Finite element method; Mathematical models

Cohesive zone models; Displacement (Movement)

Design; Highways; Pavements

Transportation Research Board Annual Meeting 2018 Paper #18-04747

TRIS, TRB, ATRI

Jan 8 2018 11:10AM