A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Three-Dimensional Finite Element Analysis of Doweled Joints in Concrete Pavements
Concrete pavements are usually selected by pavement engineers for roads subjected to heavy traffic loading and feature high maintenance and construction costs. As such, the structural behaviour of concrete pavements with doweled joints is evaluated herein using Finite Element Method. The pavement system is modelled using three-dimensional brick elements and five loading cases are applied to replicate realistic vehicular loadings approaching and leaving the joint. The structural behaviour of the pavement at the doweled joint is investigated for: (1) pavement with and without voids, and (2) different dowel bar spacing. The amount of load transfer was obtained from the shear force in the beam elements that simulate dowels. Results show that the voids underneath the joint causes an increase in the vertical displacement of the concrete slab and vertical stress at concrete/dowel bar interface which may result in crushing of the concrete and dowel loosening. Wider dowel spacings result in increased shear forces and the size of the region containing engaged dowels does not change significantly with dowel spacing, only effecting the distribution of shear forces. The study shows that the dowel bars perform effectively as a load transfer device in the concrete pavement system even under severe conditions.
Three-Dimensional Finite Element Analysis of Doweled Joints in Concrete Pavements
Concrete pavements are usually selected by pavement engineers for roads subjected to heavy traffic loading and feature high maintenance and construction costs. As such, the structural behaviour of concrete pavements with doweled joints is evaluated herein using Finite Element Method. The pavement system is modelled using three-dimensional brick elements and five loading cases are applied to replicate realistic vehicular loadings approaching and leaving the joint. The structural behaviour of the pavement at the doweled joint is investigated for: (1) pavement with and without voids, and (2) different dowel bar spacing. The amount of load transfer was obtained from the shear force in the beam elements that simulate dowels. Results show that the voids underneath the joint causes an increase in the vertical displacement of the concrete slab and vertical stress at concrete/dowel bar interface which may result in crushing of the concrete and dowel loosening. Wider dowel spacings result in increased shear forces and the size of the region containing engaged dowels does not change significantly with dowel spacing, only effecting the distribution of shear forces. The study shows that the dowel bars perform effectively as a load transfer device in the concrete pavement system even under severe conditions.
Three-Dimensional Finite Element Analysis of Doweled Joints in Concrete Pavements
Sii, How Bing (author) / Chai, Gary W. (author) / van Staden, Rudi (author) / Guan, Hong (author)
2013
13 Seiten
Conference paper
English
Three-Dimensional Finite Element Analysis of Doweled Joints in Concrete Pavements
| British Library Conference Proceedings | 2013
Three-Dimensional Finite Element Analysis of Doweled Joints for Airport Pavements
| British Library Online Contents | 2003
Nonlinear FE Analysis of Plain Concrete Pavements with Doweled Joints.
| Online Contents | 1993
3D Finite Element Study on Load Transfer at Doweled Joints in Flat And Curled Rigid Pavements
| British Library Conference Proceedings | 2000
Maximum Bearing Stress of Concrete in Doweled Portland Cement Concrete Pavements
| British Library Online Contents | 1993