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Joint Spalling:Spalling is the deterioration of the edges of a concrete slab within twofeet <br />(0.6m) of the joint. The edges get chipped off concrete slabs causing spalling. Spalling is <br />caused by heavy traffic loads and environmental factors. <br />Raveling:The roads, mainly asphalt, over time become worn out and rough not smooth <br />as when they were first put in, often due to age and the effects of UV rays. Raveling <br />measures the severity of the roughness and coarseness of the top layer of the street. <br /> <br />Faulting:Faulting is the difference in elevation across the slab. One side may be leaning <br />up more over the other side. Causes are soft foundations, heavy traffic, poor construction, <br />and environmental damage. <br />8 <br />May 29, 2019, Work Session - Item B <br /> <br />