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rt�au <br />.A <br />4 <br />• <br />3 <br />a <br />4 2 <br />O ` <br />0 <br />• <br />67 'A 471 'cN <br />Revised March 2010 (PR06) <br />'DUT 'Uoiivi Dos Sw st;nj Ill;;iq -.a to € -1KI'I nnfi7 n7 'iow <br />Attachment 2.05.3(3) -8 -23 <br />it <br />12 <br />Figure 4.+4. Eumpie S th of total damage <br />versus base layer thi&mesa for both..• <br />sa is esbO+r y anc rutting criteria. <br />C) <br />An des gss prts=ted am based on either a <br />11itial serviceability of tnag.:;r.gairaurfacr3 <br />50 or 75 per=nt Level of =Baba: :ty. <br />road was 3.5, the eormspoaftS terminal <br />servcability inherent in t4tde:ip solution <br />�3} <br />T licdesi $matefcrc:vhv=ca- Icoaditions <br />is 0.5.) <br />car=ponding to all six of tbz U.S. climatic <br />t?csio=s (stx reap its Figztrz 4.1). <br />4,2.1 Flexible Pavement Design Catalog <br />(4) <br />The de igns are for five qualitative levels of <br />Tables 4.6 and 4.7 present a catalog of flexible <br />roadbed SOB strength ar support capability: <br />pavementSN values (structural numbers) that may be <br />Very Cood, Good, Fair, Poor, and Very <br />used for the design of low- volur-se roads when the <br />Poor. Tabk <.2lvdi== the 1eve.ss of toad- <br />r-orc detailed design approach is riot possible. Table <br />bed soil ruii'icuttuodulus thatwere used for • <br />4.6 is based on the 50 percent :eiiability level and Table <br />each soil clzssif=zion. Table 4.1 indicates <br />4.7 is based on a 75 percent level. Th: tange of S`4 <br />the actual I.mgt:ts of the seasons used to <br />values shown for each condi :tor. is based on a specific <br />p <br />q =w ifti the eftc: softack of the six clitnatit <br />- <br />:arse of 1S -kip ESAL aprlieauom at eac`.t gaff :e <br />rep o :s on ftve::;e;tt pe :cac:^at:r.. <br />ltrcl; <br />r <br />(; <br />T`e tc::T1in2l SC ^' :CC?.bf :t }' for the Z :m;b!e <br />and r }b} Va%a '.c nt dcs:;ns is 1.5 and ttz <br />h 74 to <br />overall dt5 :1:n sen kcaC_n4ty less ustA for <br />N J; 1 4CO.NJ to t0-C'.0-.X) <br />ag.brea_tc- surisc;d roads is 3.0_ (Thus. if the <br />Low to Lw <br />67 'A 471 'cN <br />Revised March 2010 (PR06) <br />'DUT 'Uoiivi Dos Sw st;nj Ill;;iq -.a to € -1KI'I nnfi7 n7 'iow <br />Attachment 2.05.3(3) -8 -23 <br />