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8/10/2019 IRC 37-2012 Venkats Presentation on FlexiblePavement Design SoftCopy
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IRC:37-2012
VENKATS PRESENTATION on
DESIGN of FLEXIBLE PAVEMENTS
V VENKATA NARA!ANA
DEP"T! EXEC"TIVE ENGINEER #R$B%&
''n()*(+,./o*.o)n
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F). 4 .)56. ,6 fo (6 En*)n66. +6 '6.65 +)( IRC:37:2001
A,68 9,n .) (6 f). 4 .)56.
1% DESIGN PRINCIPLE ::
) IRC:37-2012 :: APPROACH of DESIGN : !ECHANIS"IC E!PIRICA# . "$affi% &'( )sa : D*sign #if* #asts till whi%h *v*$ following ta+*s pla%* *a$li*$.
,A"IG-E CRACING in /it0)ino0s s0$fa%ing li)it* to &(2 of pav*)*nt a$*a oR-""ING in Pav*)*nt $*a%h* t*$)inal $0tting 3&( ))4 in &(2 of l*ngth.
"$affi% '(15( )sa : D*sign #if* #asts till whi%h *v*$ following ta+*s pla%* *a$li*$.
,A"IG-E CRACING in /it0)ino0s s0$fa%ing li)it* to 1(2 of pav*)*nt a$*a oR-""ING in Pav*)*nt $*a%h* t*$)inal $0tting 3&( ))4 in 1(2 of l*ngth.
)) IRC:37-2001 ::
APPROACH of DESIGN : !ECHANIS"IC E!PIRICA# . "$affi% 115( )sa : D*sign #if* #asts till whi%h *v*$ following ta+*s pla%* *a$li*$.
,A"IG-E CRACING in /it0)ino0s s0$fa%ing li)it* to &(2 of pav*)*nt a$*a oR-""ING in Pav*)*nt $*a%h* t*$)inal $0tting 3&( ))4 in &(2 of l*ngth.
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IRC:37 2012 vis-a-vis IRC:37-2001
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2% PAVEMENT COMBINATIONS ::
IRC:'6&(1& : FIVE 5)ff66n COMBINATIONS ::
S0$fa%ing with /it0)*n an
/as*s an S0b/as*s with 0nbo0n an bo0n )at*$ials 3 C*)*ntitio0s4 . IRC:'6&((1 : ONL! ONE COMBINATION ::
S0$fa%ing with /it0)*n an
/as*s an S0b/as*s with 0nbo0n )at*$ials.
3% S!STEM of "NITS :: IRC:'6&(1& : IS S7S"E!.
IRC:'6&((1 : CGS S7S"E! .
4% PAVEMENT DESIGN PROCED"RES :: IRC:'6&(1& : "8O P$o%*0$*s 1% ".)n* IITPAVE $ 2% D6.)*n C(,. $C,,o*86.
IRC:'6&((1 : ONE P$o%*0$*s -sing D*sign Cha$ts 9 Catalog0*s .
;% ANN"AL TRAFFIC GRO
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% PAVEMENT LA!ER T=ICKNESS )n B,.6 $ S8/- /,.6 ,6 9o/)n,)on. ::
) TOTAL T=ICKNESSES :: IRC:'6&(1& : !in:'
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COMPONENTS OF ROAD
G.L
SUBGRADE
EMBANKMENT
PAVEMENT
SHOULDERCARRIAGEWAY
ROAD WAY
FORMATION
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PAVEMENTS
Pav*)*nt : Pav*)*nt is a st$0%t0$*.1. It %onsists of s0p*$i)pos* lay*$s of s*l*%t* an
p$o%*ss* )at*$ials.
&. It is pla%* on a S0b g$a*.
'. It s0ppo$ts th* appli* t$affi% loas an ist$ib0t*s th*)to th* soil fo0nation.
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ESSENTIL REQUIEMENT OF PAVEMENTS
14 S"R-C"-RA# PER,OR!ANCE
A PAE!EN" SHO-#D /E
3i4 STRONG *no0gh to $*sist th* st$*ss*s i)pos* on it an 3ii4 T=ICK *no0gh to ist$ib0t* th* *@t*$nal loas on th*
*a$th*n s0bg$a*.
&4 ,-NC"IONA# PER,OR!ANCE
A PAE!EN" SHO-#D HAE
3i4 R)5)n* 0ality=
3ii4 S0$fa%* f$i%tion fo$ .)5 $*sistan%*=
3iii4 #ow no).6 an 3iv4 Goo G6o6)9.
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iv) VE
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iv) VE
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iv) VE
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iv) VE
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D).)/8)on of 9o69), ,ff)9 / #ANE.
DIREC"ION.
N*%*ssa$y in a$$iving $*alisti% total *0ival*nt stana$ a@l* loa 0s* in *sign.
Types of Carriageways
Single Lane carriageway ( No median of divider).
Dual lane carriageway ( Wi! Median or Divider).
Types of Lanes
Single " Lane (only in #ingle carriageway).
Two $ Lane.
T!ree $ Lane (only in dual carriageway).
Four $ Lane .
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v) LANE !ISTRIUTION FACTOR
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v) LANE !ISTRIUTION FACTOR
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100
7;
40
7;
>0
4;
SINGLE CARRIAGE
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SIN%L& ARRIA%&WA ROAD
Sno Num*er of Lane# Wid! L.D.F. (+)
, Single $ Lane -./ m ,00
1 Two $ Lane .00 m /
- Four $ Lane ,2.0 3,/.0 20
D4AL ARRIA%&WA ROAD
, Two $ Lane .0 5 .0 /
1 T!ree $ Lane ,0./ 5 ,0./ 60
- Four $ Lane ,2.0 5 ,2.0 2/
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v) LANE !ISTRIUTION FACTOR
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2)1()1)(1( rPrrP +=++
)1( rP +
3)1()1)(1)(1( rPrrrP +=+++
ArPxrrrP
x=+=+++
)1()1)(1)(1(
PSuppose TRAFFIC in the year of CENSUS is (CVPD) - - - - - - - -
TRAFFIC after ONE year (CVPD) - - - - - - - - - - - - - - - - -
TRAFFIC after TO years (CVPD) --
TRAFFIC after T!REE years (CVPD) - - -
TRAFFIC after
"years (CVPD) - - -
----- -- - - - - - - - - - - - - - - - - - -- - - - - - - - - --------------- - - - - - - - - - - - -- - - - - - - - - - - - - - - - -
vvnhighways.blogspot.in ''
Es(i*a(i, / TRAFFIC- I,i(ia
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)1(**365 rA +
[ ]r
rA n
1)1(**365 +
Es(i*a(i, / TRAFFIC- C9*9a(iv
Suppose TRAFFIC in the year of CO#P$ETION is (CVPD) - - - - - -
TOTA$ nu%&er of 'ehies in SECOND year (CVPD)
CU#U$ATIVE TRAFFIC for n years (CVPD)(*y a++in, the TRAFFIC fro% FIRST to n th year)
A*365TOTA$ nu%&er of 'ehies in FIRST year (CVPD) -- - -
2)1(**365 rA +
)1()1(**365
+ nrATOTA$ nu%&er of 'ehies in .n th/ year (CVPD)
TOTA$ nu%&er of 'ehies in T!IRD year (CVPD)
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[ ]FDAN
r
r n
***1000000*
1)1(*365 +=
Es(i*a(i, / TRAFFIC = ASTRACT FORMULA
C2&2L6TIVE N2&5ER O3 ST6ND6RD 6LES TO 5EC6RRIED IN T/E DESIGN "ERIOD IN TER&S O3
*sa Miia, S(a,a A;s)
6 8 Initial Traffic$
r 8 Gro,th Rate$
D 8 Lane distri(ution factor$
n 8 Design life in -ears$
3 8 Vehicle Da+age 3actor$
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D6f)n))on :: It is th* top 5(( )) of ,OR!A"ION an is ,O-NDA"ION to th*
pav*)*nt.
"h* S0bg$a* is in infinit* lay*$ in %onta%t with th* g$o0n.
It sho0l b* w*ll %o)pa%t*.
"h* S0bg$a* is %onst$0%t* with #o%al )at*$ials 8itho0t stabiliKation o$
8ith stabiliKation 0sing stabiliK*$s. . D6n.) :: "h* DR7 DENSI"7 not l*ss than 1.65 g)F%%.
S6n*( :: "h* S"RENG"H of s0bg$a* is ass*ss* in t*$)s ofC/R 3 Califo$nia /*a$ing Ratio4.
M)n)8 "h* C/R sho0l b* fo0n on $*)ol* sa)pl*s in th* lab at th* w*a+*st %onition
0n*$ th* $oa aft*$ %onst$0%tion.
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SU#RA!E
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SU#RA!E
Co,9)on ::
6.( 2 of D$y *nsity a%hi*v* with h*avy %o)pa%tion
3!ODI,IED p$o%to$ *nsity4. ,o$ E@p$*ssways=
National Highways=
Stat* Highways=
!aLo$ Dist$i%t Roas=
Oth*$ H*avy t$affi%+* $oas.
6.( 2 of D$y *nsity a%hi*v* with no$)al %o)pa%tion
3S"ANDARD p$o%to$ *nsity4. R0$al $oas .
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"h* Califo$nia /*a$ing Ratio t*st is a p*n*t$ation t*st )*ant fo$ th*
*val0ation of S-/GRADE st$*ngth of $oas an pav*)*nts. It is an
E!PIRICA# t*st.
On* C/R val0* is *0al to av*$ag* of th$** sp*%i)*n t*sts. "h* t*st sho0l b* p*$fo$)* on $*)o0l* sa)pl*s in th* labo$ato$y.
"h* sa)pl* sho0l b* $*)o0l* at pla%*)*nt *nsity 9 )oist0$*
%ont*nt.
"h* )oist0$* %ont*nt sho0l b*
As%*$tain* f$o) %o)pa%tion %0$v* at lab o$
Can b* bas* on fi*l ata of *@isting ins*$vi%* pav*)*nts.
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70
EXAMPLE 2
C/R of S0bg$a* 1( 2
C/R of E)ban+)*nt '2
Eff69)'6 CBR 70
EFFECTIVE CBR
!INI!-! ' 2
!AI!-! 152
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EFFECTIVE CR - VALUES
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PRINCIPLES / PAVEMENT !ESI#N
PAVEMENT MODEL
A ,l*@ibl* pav*)*nt is )o*l* as
an *lasti% )0ltilay*$ st$0%t0$*.
CRITICAL PARAMETERS FOR
PAVEMENT DESIGN
i. "*nsil* st$ain at th* botto) of
bit0)ino0s lay*$; CRACING.
ii. *$ti%al s0bg$a* st$ain on th*
top of s0bg$a* ; R-""ING D69)5)n* L)).CRACING in /it0)ino0s #ay*$s.
R-""ING in Non/it0)ino0s #ay*$s
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FATI#UE
D6f)n))on ::
,atig0* is th* w*a+*ning of a )at*$ial %a0s* by $*p*at*ly
appli* loas. It is th* p$og$*ssiv* an lo%aliK* st$0%t0$al a)ag* that
o%%0$s wh*n a )at*$ial is s0bL*%t* to %y%li% loaing.
"h* no)inal )a@i)0) st$*ss val0*s that %a0s* s0%h a)ag*)ay b* )0%h l*ss than th* st$*ngth of th* )at*$ial.
,atig0* o%%0$s wh*n a )at*$ial is s0bL*%t* to $*p*at*
loaing an 0nloaing.3"*)p*$at0$* also is a loa4.
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FATI#UE i, OTTOM La / i(9*i,9s Pav*,(
a, Fa(i.9 Li/
FATIG"E
8ith *v*$y loa $*p*tition= th* t*nsil* st$ain *v*lop* at th*
botto) of /it0)ino0s #ay*$ *v*lops )i%$o %$a%+s.
"h*s* !ICRO CRACS wi*n an p$opagat* to s0$fa%*
b*yon th* following a%%*ptabl* li)its.
"h* ph*no)*non +nown as ,A"IG-E 3o$ f$a%t0$*4 of th*
bit0)ino0s lay*$.
LIMITS
&( 2 of A$*a fo$ t$affi% 0p & to '( )sa.
1( 2 of A$*a fo$ t$affi% '( to 15( )sa.
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RUTTIN# i, PAVEMENT
R"TTING
R-""ING is th* p*$)an*nt *fo$)ation in pav*)*nt 0s0ally
o%%0$$ing longit0inally along th* wh**l path.
It )ay pa$tly b* %a0s* by *fo$)ation in th* s0bg$a* an
oth*$ nonbit0)ino0s lay*$s. "h* /it0)ino0s lay*$s )ay
0n*$go $0tting 0* to s*%ona$y %o)pa%tion.
E@%*ssiv* $0tting g$*atly $*0%*s th* s*$vi%*ability of th*
pav*)*nt.
LIMITS
&( )) in &( 2 of th* l*ngth fo$ t$affi% 0p to '( )sa.
&()) in 1( 2 of #*ngth fo$ t$affi% '( to 15( )sa.
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!
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!si.,
"o li)it th* R-""ING an th* CRACING= th* pav*)*nt is *sign*
bas* on *lasti% b*havio$ of %o)pon*nt lay*$s.
1. R*sili*nt !o0l0s is th* )*as0$* of *lasti% b*havio0$ of
S8/*,56 ,n5 G,n8, /,.6..
R*sili*nt !o0l0s ofS8/*,56 *sti)at* f$o) C/R of S0bg$a*.
R*sili*nt !o0l0s of G,n8, /,.6. is *t*$)in* f$o) R*sili*nt
!o0l0s of S0bg$a*.
&. Elasti% !o0l0s is th* )*as0$* of st$*ngth ofBo8n5 S8/-/,.6..
Elasti% !o0l0s of /o0n S0bbas*s is *t*$)in* f$o) th* 0n%onfin*
%o)p$*ssiv* st$*ngth of th* )at*$ial.
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! i
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!si.,
'. ,l*@0$al st$*ngth is th* )*as0$* of st$*ngth ofBo8n5 B,.6.
,l*@0$al st$*ngth of /o0n /as*s is *t*$)in* f$o) th* 0n%onfin*
%o)p$*ssiv* st$*ngth of th* )at*$ial.
>. R*sili*nt !o0l0s if th* )*as0$* of *lasti% b*havio0$ of B)8)no8. L,6.
R*sili*nt !o0l0s of any /it0)ino0s )i@ %ont$oll* by th*
I. G$a* of bit0)*n 0s* anII. Ai$ t*)p*$at0$*.
D*sign %atalog0*s giving pav*)*nt %o)positions a$* p$*pa$* at '5(C
t*)p*$at0$*.
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! i
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!si.,
1. "h* pa$a)*t*$s to a$*ss* in *sign of Pav*)*nt a$*
i. ,A"IG-E l*aing to CRACING an
ii. R-""ING.
&. ,A"IG-E #I,E.
i. S0b/as* "hi%+n*ss
ii. /as* "hi%+n*ss
iii. /it0)ino0s S0$fa%ings "hi%+n*ss.
'. R-""ING.
i. S0b/as* "hi%+n*ss
ii. /as* "hi%+n*ssiii. /it0)ino0s S0$fa%ings "hi%+n*ss an !i@ D*sign 0sing
high*$ vis%osity g$a* /it0)*n o$ !oifi* /it0)*n.
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E E
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T=E COMPONENTS of FLEXIBLE PAVEMENTS ARE
1% BIT"MINO"S S"RFACING ::
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th R*vision4
&. "$affi% : 0p to 5 )sa.
'. "hi%+n*ss : &5= '(= >( )).
>. /it0)*n : G '( g$a*.II BC--- B)8)no8. Con966 ::
1. Sp*%ifi%ation No : 5(6 of !oR"9H 35 th R*vision4 F 5( of !oR"9H
3> th R*vision
&. "$affi% : Abov* 5 )sa.'. "hi%+n*ss : &5= '(= >(= 5( ))
>. /it0)*n : G '( g$a* 0p to '( )sa 9 G >( g$a* abov* '( )sa.
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ITUMINOUS SURFACIN# = 6ai,. C9s&
ITUMINOUS SURFACIN# La 4> 6ai,. C9s
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LA!ER BELO< ( = 5( M ( g$a*
abov* '( )sa.
5. Not* : /it0)*n 0s* fo$ D/! sho0l b* sa)* as 0s*fo$ w*a$ing %o0$s* lai ov*$ D/!.
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ITUMINOUS SURFACIN# = La 4> 6ai,. C9s&
A##RE#ATE INTERLAYER = A...a( La
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14 C*)*ntitio0s bas* no$)ally %$a%+ 0* to Sh$in+ag* an
"*)p*$at0$* %hang*s *v*n b*fo$* pav*)*nt b*ing loa*.
&4 "h* %$a%+s *v*lop* in th* C*)*ntitio0s bas* $*fl*%t in
/it0)ino0s Co0$s* lai on it.
'4 "o *lay p$opagation of %$a%+s in th* /it0)ino0s %o0$s*= a
%$a%+ $*li*f lay*$ p$ovi* b*tw**n th* bit0)ino0s %o0$s*
an C*)*nt /as*.
>4 Agg$*gat* lay*$ %onsists any on* of th* following
14 C$0sh* agg$*gat* 1(( )) of 8!! %onfo$)ing to !oR"9H.
2% S6.. A/.o/)n* M6/,n6 In6,6 3SA!I4 of *lasti% )oifi*bin*$.
A##RE#ATE INTERLAYER = A...a( La
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ASE LAYER = U,49, as La -#RANULAR
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I F"NCTIONS :- I .6'6. T
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I F"NCTIONS :- I .6'6. T.5 !pa.
'. &< ay )ini)0) st$*ngth 6.( !pa.IIIPROPERTIES of C66n 6,65 BASE :-1. G$aation as p*$ "abl* >((> of !oR"9H.
&. Data as p*$ >. of !oR"9H Stana$ Data
/oo+ 3,i$st R*vision4.
'. Ratios of#37;-;%:#;-47;%:#47;-07;% is
#32;% : #;% : #>2;%
ASE LAYER 9, as La CEMENT TREATE!
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ASE LAYER = 9, S94-as La = CEMENT TREATE!
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I F"NCTIONS :- I .6'6. T=REE F8n9)on.1. P$ot*%t th* S0bg$a* f$o) ov*$ st$*ssing.
&. P$ovi*s platfo$) fo$ %onst$0%tion t$affi%.
'. S*$v*s as $ainag* an filt*$ lay*$.
II MATERIALS#403 of MoRT$=% :-1. Agg$*gat*s )oifi* with C*)*nt.
IIIPROPERTIES of C66n 6,65 S8/-B,.6 :-1. G$aation as p*$ "abl* >((> of !oR"9H.
&. Data as p*$ >. of !oR"9H Stana$ Data /oo+3,i$st R*vision4.
'. Ratios of #37;-;% : #;-47;% : #47;-07;4 is
#;;% : #20% : #2;%
ASE LAYER 9, S94 as La CEMENT TREATE!
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IV COMPOSITION :-1 LO
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T(6 FLEXIBLE PAVEMENTS 9,n 56.)*n65
"SING IITPAVE
Any %o)bination of t$affi% an pav*)*nt lay*$ %o)position %an
b* t$i* 0sing II"PAE.
"h* st$*ngth of )at*$ials 0s* an th* st$*ss*s f$o) t$affi% a$*
th* pa$a)*t*$s.
"SING DESIGN CATALOG"ES Th*s* G0i* lin*s p$ovi* a *sign Catalog0* giving pav*)*nt
%o)positions fo$ va$io0s %o)bination of
"RA,,IC.
#A7ER CON,IG-RA"ION an
ASS-!ED !A"ERIA# PROPER"IES.
PAVEMENT !ESI#N PROCE!URE
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i(9*i,9s 8*'si(i, >i( #a,9a ass
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i(9*i,9s 8*'si(i, >i( #a,9a ass
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i(9*i,9s 8*'si(i, >i( #a,9a ass
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PAVEMENT !ESI#N CATALO#UES -2
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BIT"MINO"S PAVEMENT +)( CEMENT TREATED BASE ,n5
CEMENT TREARED S"B-BASE
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ABSTRACT- # 410 o ;0 % S"S"RFACE LA!ER ? BIT"MINO"S :: 30-100 ()9
8EARING CO-RSE : SD/C ; '( to >( )) thi%+ 0p to 5 )sa of t$affi%.
/I"-!INO-S CONCRE"E 3/C4 ; >( to 5( )) 5 to 15( )sa
#A7ER /E#O8 8EARING CO-RSE : DENSE /I"-!INO-S !ACADA! 3D/!4 ; 5( )) fo$ t$affi% 5( 15( )sa.
/I"-!EN : G >( g$a* fo$ /C an D/! fo$ t$affi% ; '( )sa.
INTER LA!ER -- AGGREGATE :: 100 ()9
BASE LA!ER ? CEMENTED :: 30- 140 ()9 AGGREGA"E S"A/#ISED 8I"H CE!EN".
!ini)0) St$*ngth >.5 !Pa 6ays an 6.( !Pa &< ays.
S"B-BASE LA!ER ? CEMENTED :: 2;0 AGGREGA"E FSOI# )oifi* with stabiliK*$s.
DRAINAGE #A7ER ; "op 1(( )) Coa$s* Agg$*gat* with &'2 C*)*nt.
,I#"ER #A7ER ; /otto) 15( )) StabiliK* Agg$*gat*F Soil.
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PAVEMENT !ESI#N CATALO#UES -3
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BIT"MINO"S S"RFACING +)( CEMENT TREATED BASE ,n5
CEMENT TREARED S"B-BASE +)( SAMI
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8*,( (a( s94-4as >i( SAMI&
vvnhighways.blogspot.in ( to 5( )) 5 to 15( )sa
#A7ER /E#O8 8EARING CO-RSE : DENSE /I"-!INO-S !ACADA! 3D/!4 ; 5( )) fo$ t$affi% '( 15( )sa
/I"-!EN : G >( g$a* fo$ /C an D/! fo$ t$affi% ; '( )sa.
INTER LA!ER -- SAMI #S6.. A/.o/)n* M6/,n6 In6,6% BASE LA!ER ? CEMENTED :: 0- 10 ()9
AGGREGA"E S"A/I#IED 8I"H CE!EN". !ini)0) St$*ngth >.5 !Pa 6ays an 6.( !Pa &< ays.
S"B-BASE LA!ER ? CEMENTED :: 2;0 AGGREGA"E FSOI# )oifi* with stabiliK*$s.
DRAINAGE #A7ER ; "op 1(( )) Coa$s* Agg$*gat* with &'2 C*)*nt.
,I#"ER #A7ER ; /otto) 15( )) StabiliK* Agg$*gat*F Soil.
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8*,( (a( s94-4as >i( SAMI&
PAVEMENT !ESI#N CATALO#UES -$
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BIT"MINO"S S"RFACINGS +)( BIT"MEN TREATED RAPH
AGGREGATE OVER CEMENT TREATED S"B-BASE
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v 8*,( (a( s94-4as&
RAP : RECYCLE! ASP
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RAP : REC!CLED ASP=ALT PAVEMENT ::
Asphalt pav*)*nt $*%lai)ingF$*%y%ling involv*s $*0sing th* inpla%*
pav*)*nt )at*$ial to 6(,/)),6 ,n5Ho .6n*(6n th* asphalt pav*)*nt
st$0%t0$*. "h* $*%y%ling p$o%*ss involv*s $*)oving th* asphalt pav*)*nt )at*$ials of
th* pav*)*nt st$0%t0$*= 0s0ally by %ol )illing.
Aft*$ aing n*w )at*$ials= $*h*ating th* $*%y%l* )i@t0$* an pla%ing it
with th* sa)* )*thos as 0s* fo$ %onv*ntional vi$gin asphalt %on%$*t*.
!ini)al aaptation of *@isting pav*)*nt %onst$0%tion *0ip)*nt o$ n*w
*0ip)*nt p0$%has*s a$* $*0i$* fo$ hot)i@ $*%y%ling.
"h* p$opo$tions of ol )at*$ial to n*w )at*$ial in th* bl*ning p$o%*ss willb* gov*$n* by th* )at*$ial p$op*$ti*s of th* ol asphalt %on%$*t* an th*
sp*%ifi%ation $*0i$*)*nts fo$ th* $*%y%l* )i@.
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PAVEMENT !ESI#N CATALO#UES -%
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BIT"MINO"S S"RFACINGS +)( CEMENT TREATED BASE ,n5
GRAN"LAR S"B-BASE +)( AGGREGATE INTERLA!ER
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#RANULAR s94-4as&
ITUMINOUS SURFACIN#S >i( CEMENT TREATE! ASEa, #RANULAR SU-ASE >i( A##RE#ATE INTERLAYER&
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ABSTRACT- # ;20 o >0 %
S"S"RFACE LA!ER ? BIT"MINO"S :: 30 o100 ()9 8EARING CO-RSE :
SD/C ; '( )) thi%+ 0p to 5 )sa of t$affi%.
/I"-!INO-S CONCRE"E 3/C4 ; >( to 5( )) 5 to 15( )sa
#A7ER /E#O8 8EARING CO-RSE : DENSE /I"-!INO-S !ACADA! 3D/!4 ; 5( )) fo$ t$affi% 5( 15( )sa.
/I"-!EN : G '( 0p to '( )sa 9 G>( fo$ t$affi% ; '( )sa.
INTER LA!ER -- 100 ()9 #of .5 !Pa 6ays an 6.( !Pa &< ays.
S"B-BASE LA!ER ? GRAN"LAR :: 2;0 ()9 GS/ $*tain* f$o) *@isting Highway.
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a, #RANULAR SU ASE >i( A##RE#A E IN ERLAYER&
"SES
FOR RECONSTR"CTION
OF EXISTING =IG=
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B,.65 GRADATION ',86. STRAIG=T R"N BIT"MEN ). 9,..)f)65 )n 3 +,.1 PENETRATION GRADING #A5o65 1;0-200>% ::
P*n*t$ation of n**l* loa* with 1(( g)
fo$ 5 s*%ons at t*)p*$at0$* of 2;0 C
P*n*t$ation is *@p$*ss* in 0nits of (.1( )). typ*s
p*n*t$ation g$a*s fo$ Highways f$o) soft*$ to stiff*$ g$a*.
P*n*t$ation g$a* bit0)*ns %an b* )o$* p$on* to $0tting than
vis%osity g$a* bit0)*ns.2 VISCISIT! GRADING ::
3 PERFORMANCE GRADING #S86,'6 6fo,n96 G,5)n*% ::
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ITUMEN - CLASSIFICATION
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3 PERFORMANCE GRADING #No A5o65 )n INDIA% ::A)65 , ,556..)n*:
Physi%al p$op*$ti*s )*as0$* a$* i$*%tly $*lat* to fi*l p*$fo$)an%*
by *ngin**$ing p$in%ipl*s. Cli)ati% *ff*%ts f$o) %o)pl*t* $ang* of pav*)*nt s*$vi%*
t*)p*$at0$*s.
Const$0%tion.
Aging 0$ing %onst$0%tion an ins*$vi%*. "$affi% sp**.
"$affi% vol0)*.
Sit* %onition.
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ITUMEN #RA!ATION@ MRT"< #UI!E LINES
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!oR"9H G0i* lin*s in s*l*%tion of
app$op$iat* g$a* of /it0)*n bas* on ISCOSI"7 GRADE.
I VG-10 G,56 , /6 8.65 )n ,96 of :
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IRC:37-2012 :: Con.)56. E,.)9 Mo588. #E%of B)86n fo E8)',6n96 P,'66n 56.)*n C(,. ,6 6,65 , 3;0C ,) T66,86
HEHE322
311 =
3/1
2
112 *
=
E
EHH
A 3;0C R6.))6n Mo588.
DBM fo VG 10 /)86n -- 1000 DBM fo VG 30 /)86n -- 1700
DBM fo VG 40 /)86n -- 3000
DBM fo Mo5)f)65 /)86n -- 1>;0
BM fo VG 10 /)86n -- ;00
BM fo VG 30 /)86n -- 700
T(6 ()9n6.. ,6 6,65
LINEAR INTERPOLATION
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First PAIR (x1, y1)
Second PAIR (x2, y2)
At any intermediate Value x , value of
y1
y2
x1
x1 )x1 )x1 )x1 )----(x(x(x(x****x1 )x1 )x1 )x1 )(x2(x2(x2(x2
y1 )y1 )y1 )y1 )(y2(y2(y2(y2y1y1y1y1yyyy
+=
x2x
y
x1 )x1 )x1 )x1 )(x(x(x(x****x1 )x1 )x1 )x1 )(x2(x2(x2(x2
y1 )y1 )y1 )y1 )(y2(y2(y2(y2y1y1y1y1yyyy
+=
x1 )x1 )x1 )x1 )(x2(x2(x2(x2
y1 )y1 )y1 )y1 )(y2(y2(y2(y2
x1 )x1 )x1 )x1 )----((x((x
y1 )y1 )y1 )y1 )----(y(y(y(y
=
)1(*)1( xxyy
=
x1 )x1 )x1 )x1 )(x2(x2(x2(x2
y1 )y1 )y1 )y1 )(y2(y2(y2(y2
)1(*1 xxyy
+=
x1 )x1 )x1 )x1 )(x2(x2(x2(x2
y1 )y1 )y1 )y1 )(y2(y2(y2(y2
PAVEMENT !ESI#N EXAMPLE
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PAVEMENT !ESI#N EXAMPLE
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References1$ IRC : 9;0!10 Guidelines for the design of 3le'i(le "a*e+ents % 9rd Re*ision#$
0 IRC : 9;0!!1 Guidelines for the design of 3le'i(le "a*e+ents % 0nd Re*ision#
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0$ IRC : 9;0!!1 Guidelines for the design of 3le'i(le "a*e+ents % 0n Re*ision#$
9$ IRC:111;0!!< S)ecifications for Dense Graded &i'es for 5itu+inous &i'es$
4$ IS:9;0!19 ;Indian Standard "6VING 5IT2&EN = S"ECI3IC6TION %4th re*ision#$
$ &ORT>/ S)ecifications for Road and 5ridge ,or?s % th Re*ision#$
@$ &ORT>/ S)ecifications for Road and 5ridge ,or?s % 4th Re*ision#$$ &oRT>/ &anual for construction and su)er*ision of 5itu+inous Wor?s$
A$ &oRT>/ ST6ND6RD D6T6 5OOB 3OR 6N6LSIS O3 R6TES % 1st Re*ision#$
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1) Sri P. Ravindar Rao, EinC (R&B) Govt. of Telangana.2) Sri K. Bikshapathi EinC (R&B) Govt. of Telangana.
3) NAC :: National Academy of Construction, Hyderabad.
4) Sri S. Jaswant Kumar, C.E.(D&P), R&B Dept.(Retired).
5) Sri D.V. Bhavanna Rao C.E. (QC), (R&B) Dept. Retired.
6) Sri L. Mallaiah, J.D. Research station, HYD.
7) Sri M. Balanarsiah, E.E (R&B), Sangareddy.
8) Master V. Sraman,9) Sri M. Kishan, AEE (R&B), ZAHEERABAD.
10) Sri Md. Waseem Aqthar AEE(R&B), ZAHEERAABAD.
11) Smt I. Shantisree, NAC.
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