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.49 - Vo/neue Road Dexigp <br />Step t: Enter the seasonal 1 8-kip ESAL traffic in <br />Colum 4 of Table 4.4. Assuaning that truck traffic is <br />distributed evenly throughout the year. the ;cngths of <br />use seasons should to used to proportion the total <br />Projected 18 - kip ESAL traffic to each season. If the <br />road is load zoned (restricted) during certain critzal <br />periodk tk total t'rs:frc MAY be gist. -ibmed oaiy <br />4t=ong those seasons +chin txiu:lc traffic is allowed. <br />(Total traffo of 21.CM Mkip EsALapptioatiotu and <br />a seasonal Vaue;n corrcspondiaS to US. Cllrnatie <br />Region III was Mcd in t1w. exataple in Table 4.5 ) <br />Step S: Wdbia each ofElbefoietables,tsti new the <br />Allowable 18-14 ESAL lxtr for cut of the f our <br />sm"m Using d w st+Asiri' a=amph is <br />F6"ain 4 - t aW eater in Go3®n :L if the sailieurt <br />ntodw'os of t1x tnad - ot� so3l (dm�ag t� fire mere aea9on) <br />is such that the Wwwabie 1MWW exceeds the upper <br />fuse of the aoinaat$ ph- as== a pracral valm of <br />MOM 18-MV ESAL. <br />rUP & W"1d = C2Ch Ozd= forrssbsrs. 1!e <br />a3i ie 18,Tc .,t`L *W ems of ihn four ' <br />and sa. = .in '- .7_ AW.1n if the ses = <br />uas."uft:s <br />of the scam SUMS zC& If at: the auawaba . <br />�.-a tatty.& -&: Upset $ash of :be nomagraph, <br />as== a p+aczicai valre CE 600 ,M Meg ESAT <br />Step g`- C=CP= the seasonal dasnag3 values m <br />each ofthefourtalttes for she sessi«sbi3i<yalteria by <br />dives the Projected seasonal traffic (Col-t= 4) by <br />the aflo wabl+ traffic is shat season (Calmn S). Enter <br />1hMSemmw1c'am g::vainertaColua6ofT'abIc 4.4 <br />cwx S t* sa lefty erlt::ia. %c=. follow <br />_ <br />vide <br />Colum 4 by Caseate 7 acid eater In Cubu= g. <br />Step � C*n`PQu t:fo total damage for both the <br />so bftmd magc hcdabyaddmgthesrssonal <br />" n& i m- W bm z h islsaoaotnplesW( <br />(cOrruPe'"aB to the four trial base thicknesses), a <br />PaPh Of total damage ve>aam bxft layer thickness <br />daoia <br />Dar sho required Toby le <br />pzgb for a tout S t <br />ge aQus! to !.0. Figetre 4.4 <br />pravi6es are esamee in aclnich the design is controlled <br />by silk serv==o ifitscnterix DjS is equal to 10 inchc -s, <br />Sre;2 .t: Th_ bas; la-pw e. <br />0 . <br />eMt- :ni:ued <br />: i b,s used far d esign :{ th eft ::ts cf <br />:ass ate - <br />e . ;bl.. If. i:ouc�c;. al�re. -a :t <br />it .s is sts r.frwant, t..!:% the design t.u1:4 - ness is deter - <br />iSl : : :i using the following equation: <br />11.79 <br />vas= (0.5 x GL) <br />where <br />GL 2 total estituaat aggregate (gMVCI) loss (W <br />Inches) over the perfarmance period. <br />U. for example, the total estimated gravel loss eras 2 <br />iaclzrs and the average bass thickness rW -zd was 10 = <br />leaches. the design thickness of the aggregate base layer <br />would be <br />6 s 10 + (0„5 x 2) a I l Inches - <br />:mac purpoza o this Seetic ^ is to prnv'tdethe tube t <br />'with a means for ldentiWS t+easonabk pavement <br />structural designs suitable for lowwvoluaae roads. The <br />catalog of designs presented here covers aggregate <br />sudaad roads 2s well as both fleidble and rigid <br />pavetaents. It is important to note, however that <br />although the structural designs presented repcssent <br />Precise solutions using the design procedure described <br />In the previous section, they ace based on t unique set . <br />Of assumpdotts relative to design requirements and <br />environinentalconditions.'I fie foAowi:.gspedruca==p. <br />lions apply to all three types of Structural dcsi� <br />considered: <br />Stepla: The final step of thedesign chartprocedure <br />for aggregate- surfaced roars is to convert portion of <br />due aMgate bass layer thickness to an equivalent - <br />thick-=% of subbase material this is acc=plislted ' - <br />With the aid of ft 4.5. Select the final .tin'' <br />thickru d <br />Draw a l rC to �.he esztMatdd- =0dQ1=of thia�i$jje <br />ps inktb� .G,a. a,..... <br />as~oss and, totr "� �► i:.: fi r., <br />etraa3ltaS inrs3S aset- hitlss !jej: Eras zllts; : ti :' <br />. <br />known =cd:.inscf -art cassn ••.: • :`` <br />>n . the ezainvic), dewrZing• .the <br />.tldcica:ess; D (& desk . }•. '_._. 'a %;.K,;� <br />-4.2 DESIGN CATALOG <br />(1) All designs are based on the structural <br />requirement for one perform u= period, <br />regardless of the tir einter%1a1. The range of <br />tra.i tc levels for the f exible and rigid Fa%e- <br />ment dcsignS is hetw ee:t 0.000 ar 1.0OO,Otk1 <br />IS-kip ESAL apr !i:ations. T::; ailouab :e <br />ranee of relati%•c trait :c for aggregate - <br />surfaced road desigr, is betwce- 10,oWJ and <br />100.000 15 -kip ESAL appiica::ons. <br />'3U! 'UOIIYf)OSSH sianj U101sau <br />AAIJOI :I OAA7 •N •,uui <br />REVISED JULY 2006 Attachment 2.05.3(3) -8 -17 <br />