عنوان مقاله [English]
Slab made of concrete pavement under the load deformation and deformation caused them cracks to the section.in this study the size and thickness of the concrete slab(JRCP) under the Temperature loading and aircraft B777-300in the amount and location and width of cracks were studied to determine the effect of it. The research field studies and library and using design software slab (safe) an analysis model is designed. The results show that by increasing the slab thickness and dimension, the width of the cracks under loads caused by the temperature difference is further reduced in size suggests continuity between the slap is low caused cracks and the increase of leave and the creation of critical that more is. The load carried by the wheel at the edge of the slab and the width of the cracks is more of a load in the middle of the slab and the cracks made linearly. By study the cracks on the slab with variable dimensions and load type shows that the with variable dimensions and load type shows that the width of cracks on the underside of the slab surface is greater than the surface .on the formation of cracks in the wheel load at the section of the slab. Leaving detailed in the center of the surface and spread it around in place of slab surface cracks around the back wheel and the radial shape is formed.
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