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| Effect of Slab-base Friction on Response of JCP Slab with Different Material and Geometric Properties |
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| Effect of Slab-base Friction on Response of JCP Slab with Different Material and Geometric Properties |
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Ren-Juan Sun, Jin-Sun Lim, Jin-Hoon Jeong |
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| Abstract |
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A single slab concrete pavement has been modeled and analyzed by ABAQUS program. The stress and displacement of the JCP slab under traffic load with frictionless contact interaction between slab and base calculated by ABAQUS program have been compared with the results obtained by KENSLABS program. The results of the stresses of the two modeling show similar tendency and the difference of the two modeling is very small however the results of the displacement of the two modeling show some dissimilarity. In order to analyze the effects of material and geometric properties on the responses of slab, some varying parameters were chosen as input for the modeling. The changing parameters include the thickness and elastic modulus of the concrete slab, the thickness and elastic modulus of base and the elastic modulus of the subgrade. The contact interaction between the slab and base layer had been also studied and different friction coefficient 0, 2.5, 6.6, 7.5, 8.9 had been used to simulate the different friction interface condition. The results of the analysis showed that the responses of the concrete slab vary with the material and geometric properties of the pavement structure and the slab-base friction condition. |
| Key Words:
ABAQUS; concrete slab; material property; geometric shape; slab-base friction; stress; displacement |
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