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EVALUATION — Surface Deformation 5 <br /> SURFACE DEFORMATION <br /> Rutting <br /> Rutting is displacement of material, <br /> creating channels in wheelpaths. <br /> it is caused by traffic compaction or <br /> displacement of unstable material. <br /> Severe rutting (over 2") may <br /> be caused by base or subgrade <br /> consolidation. Repair minor rutting <br /> with overlays. Severe rutting requires <br /> milling the old surface or reconstructing <br /> the roadbed before resurfacing. <br /> Even slight rut- <br /> ting tin is evident <br /> after a rain. <br /> •1 <br /> i <br /> 1�I <br /> r :,ryl <br /> Severe rutting <br /> over 2" caused <br /> by poor mix <br /> design. <br /> �P <br /> - <br /> - ,�� m,� ' .1 .1. 111":1.•.1 11 1 .1i1�1°1'•111 ..1.1.1 1111 _III I.A..�1!1 <br /> ■1 <br /> _ 1 <br /> .- ..1•.6jy <br /> - <br /> I IMP" <br /> _ .. <br /> ' , <br /> L.'Pr 'NO -3 r g s � - -tom "i .. r <br /> 1 <br /> r ' <br /> 1. � 1 -•J. Lr WIC� •. ' .� Lim 11. '� <br /> . - <br /> 1_ :.� 1.A. ; <br /> • - 1 <br /> AL IN <br /> 1 <br /> ,1 b <br /> _v <br /> - �.-.. 1 <br /> 1 • - 1 <br /> • � 1 ,�- .1 r '1 Severe rutting <br /> NNW. <br /> _ ,r ., •P caused by poor <br /> --N.. 7.tp! • - . J. _ <br /> base or <br /> .i �} .' .. . , L '. subgrade. <br />