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EVALUATION —Cracks 11 <br /> ` ® Alligator cracks <br /> mob <br /> Interconnected cracks forming small <br /> • 4A7 pieces ranging in size from about 1" to <br /> 1 <br /> •--= 4 _ 6". This is caused by failure of the <br /> • _% _ surfacing due to traffic loading (fatigue) <br /> . _ . <br /> — -� <br /> and very often also due to inadequate <br /> uate <br /> base or subgrade support. Repair by <br /> 1 <br /> �� T excavatin localized areas and replacing <br /> . �. . �® _ L _ g <br /> base and surface. Large areas require <br /> Ji <br /> M. �� -®• ._- `_ reconstruction. Improvements in <br /> 1 1 L <br /> 2-_,� drainage may often be required. <br /> _ <br /> _ <br /> • � Alligator crack <br /> ® 916. <br /> pattern. Tight cracks <br /> ti <br /> . and one patch. <br /> W <br /> e13 <br /> .9 <br /> Ar <br /> i <br /> Characteristic <br /> -. "chicken wire" <br /> crack pattern <br /> shows smaller <br /> pavement pieces <br /> -L. ,N - and patching. <br /> e-! <br /> w <br /> ti <br /> _ rr <br /> LL - r <br /> m ir-r °" L. <br /> •' <br /> . . <br /> 'rill _ <br /> IT <br /> y J <br /> T <br /> J <br /> .:1 <br /> _ Open raveled <br /> alligator cracking <br /> with settlement <br /> along lane edge <br /> most likely due to <br /> very soft subgrade. <br />