Bituminous Concrete 3

8/19/2019 Bituminous Concrete 3

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BITUMINOUSCONCRETE

Presented By: Jojee

Revieed By: Mo!a"



Topics

o $!at is Bitu"inous Con%rete&

o

$!y Bitu"inous Con%rete is used 'or Pave"ents&o Co"position o' Bitu"inous Con%rete

o Produ%tion o' #sp!a(t Con%rete

o Sur'a%e Preparation

o P(a%in) and E*uip"ent

o

+ie(d ,ua(ity Contro(o Co""on -a"a)es in Bitu"inous Con%rete Pave"ent

o Ne Te%!no(o)y in #sp!a(t Con%rete&



What isBituminousConcrete?

is a type o' %onstru%tion"ateria( used 'or pavin)roads. driveays. and

par/in) (ots0 It1s "ade'ro" a b(end o' stonesand ot!er 'or"s o'a))re)ate "ateria(s

joined to)et!er by abindin) a)ent0

Bitu"inous %on%rete isa(so ide(y /non as

Asphalt in "any parts o't!e or(d0



0$!y Bitu"inous Con%rete is used 'orPave"ents&

T!e "ajority o' t!e pave"ents around t!e or(d are2nis!ed it! one o' t!ese to "ost %ost3e4e%tive"ateria(s on t!e "ar/et: Asphalt and Concrete.

567 o' pave"ents in US# and Europe is "ade o' #sp!a(t0

Advantages of Bituminous Concrete Pavement

S"oot! Sa'e Cost E8%ient +ast to Constru%t and Maintain

9o Noise 9eve( reen Pave"ent



S"oot! 3 #sp!a(t i(( %onsistent(y )ive t!e drivin) pub(i% t!e s"oot!. *uiet ride t!ey !ave%o"e to e;pe%t 'ro" t!is type o' pave"ent0 Rou)! roads ear out tires. s!o%/s. and ot!er"e%!ani%a( parts 'aster0

Sa'e3 #sp!a(t provides )reater visibi(ity o' tra8% "ar/in)s and stripin)0 Be%ause o' s"oot!ness. #irports runays are a(so "ade o' Bitu"inous Con%rete Pave"ents 'or sa'er ta/e o4s and

(andin)0

Cost E8%ient3 It !as (o initia( %osts and %an be re%y%(ed0 Re!eatin) and reusin) is si"p(e andis just )ood as ne0 Reusin) asp!a(t yie(ds notab(e savin)s in t!e %osts o' "ateria(s and (o)isti%s

Studies !ave de"onstrated t!e 'a%t t!at pave"ent s"oot!ness is a si)ni2%ant deter"inant o've!i%(e 'ue( e%ono"y0

S"oot!ness redu%e t!e ear and tear o' t!e tires0

+ast to Constru%t and Maintain3 "otorists %an start usin) t!e pave"ent as soon as t!e (ast ro((e(eaves t!e %onstru%tion site or a'ter t!e pave"ent %oo(ed don0

9o Noise 9eve( 3 Use o' asp!a(t road sur'a%es %an si)ni2%ant(y redu%e noise bot! inside andoutside t!e %ar. !e(pin) to prevent a%%idents by a((eviatin) a sour%e o' stress t!at %ontributes todriver 'ati)ue0 =Re': European #sp!a(t Pave"ent #sso%iation>0

reen Pave"ent 3 Resear%!es %(ear(y s!os t!at re%y%(in) asp!a(t (oers ener)y %osts and CO?e"issions si)ni2%ant(y0 T!is %o"bined it! (o %osts "a/es re%y%(in) an environ"enta((y.

e%ono"i%a((y and industria((y i"portant )oa(0



Composition of BituminousConcrete

Bitu"en @ is an oi( based substan%e0 Itis a se"i3so(id !ydro%arbon produ%t

produ%ed by re"ovin) t!e (i)!ter'ra%tions =su%! as (i*uid petro(eu" )as. petro( and diese(> 'ro" !eavy %rude oi(durin) t!e re2nin) pro%ess0 It !as at!i%/. sti%/y te;ture (i/e tar !en!eated. t!en 'or"s a dense so(idsur'a%e on%e it dries0

AM# %onsist to 7 o' bitu"en



#))re)ates @ +ine and Course #))re)ate s!ou(d

%onsist o' %rus!ed stone. %rus!ed )rave(.

s%reenin)s. sand. and "inera( 2((er0 +ree 'ro"

%(ay and ot!er de(eterious "ateria(s0

AM# %onsist 5 to 57 o' #))re)ates0 $e(( )raded

Sur'a%e te;ture

Aardness

-urabi(ity

C(ean



+i((ers @ Aydrated 9i"e. +(y

#s!. Port(and %e"ent are usedto i"proved t!e properties o'

AM#0

607 to D7 +i((ers are addedto Bitu"inous Mi;0

Hydrated Lime



Production of Asphalt Concrete

Job Mi; +or"u(a =JM+> @ is an En)ineerin) ter"ino(o)y used in t!e desi)n o' #sp!a(t Con%rete0 It is t!e end resu(t o' a su%%ess'u( "i; desi)nre%o""endin) a "i;ture o' #))re)ates and Binder

#sp!a(t Manua( Series ? @ is a standard te;tboo/ used in desi)nin) #sp!a(t"i;ture0

-esi)n Met!ods:

AEEM @ -eve(oped by +ran%is N0 Avee". a "ateria(s and resear%! En)ine'ro" Ca(i'ornia. US#

Mars!a(( @ -eve(oped by Bru%e Mars!a(( a Bitu"inous En)ineer 'ro"Mississippi State Ai)!ay -epart"ent0 $ide(y adopted a(( over t!e or(d0

Superpave @ Super Per'or"in) #sp!a(t Pave"ent0 T!is ne te%!no(o)ye"er)ed to over%o"e t!e de2%ien%ies o' ot!er "et!ods0 In ?66 t!is

"et!od as in%orporated in #sp!a(t Institute Manua( Series ? and de%ided adopt by t!e Fin)do" a'ter study 2ndin)s and resear%!.



Superpave

Sample

150mm x115mm

veem and

!arshall Sample

100mm x

"#$5mm



#sp!a(t Bat%!in) P(ant 3 is an idea( %onstru%tion e*uip"entused 'or "anu'a%turin) o' asp!a(t %on%rete0 It is prepared by"i;in) appropriate proportion o' a))re)ates. sand and 2((ers!eated and t!en appropriate pro"otion o' bitu"en is "i;edon standard te"perature0


http://slidepdf.com/reader/full/bituminous-concrete-3 12/38Parts of Asphalt Batching Plant


http://slidepdf.com/reader/full/bituminous-concrete-3 13/38How it Works?





Spe%i2%ation

Aeatin) Te"perature o' Bitu"en s!a(( be D to DG-e)0 Ce(sius

Aeatin) Te"perature o' #))re)ates s!a(( not "oret!an DG -e)0 Ce(sius0

#))re)ates s!a(( be 57 to D667 %oated it!bitu"en be'ore dis%!ar)in)0

AM# S!a(( not be over!eated0 B(ue S"o/e i(( appear

in t!e "i;ture i' Over!eated0Mi;in) ti"e s!ou(d not e;%eed D6 se%onds in t!e p(ant0

Surface Preparation



Surface Preparation

Pri"e %oat @ is used !en bitu"inous "i;ture is to be p(a%ed above Soi( #))re)ate Base Materia(s0 Rate o' app(i%ation is 60H to D06 (iters per s*ua"eter and is !eated beteen 6 to H6 %C &efore p(a%in)0 #((o !ours %u

be'ore p(a%e"ent o' AM#0 E;a"p(e o' Pri"e Coat is MC3H60 T!is is a "i;turBitu"en and Ferosene0

Ta%/ Coat 3 is used !en bitu"inous "i;ture is to be p(a%ed on e;istin)asp!a(t or %on%rete pave"ent =over(ay>0 Rate o' app(i%ation is 606 to 60G6(iters per s*uare "eter and is !eated 6 to H6%C be'ore p(a%in)0 E;a"p(e oTa%/ Coat is SS3D =S(o Settin)>0 T!is is a "i;ture o' Bitu"en. E"u(si2er. an

$ater0

Bot! Pri"e and Ta%/ Coats are types o' 9i*uid #sp!a(t0

Re"ovin) 9oose Materia(s @ usin) Poer #ir spray or Broo"in) "a%!ine. (o parti%(es are re*uired to be re"oved be'ore p(a%in) 9i*uid asp!a(t and AM



Composition of Pavement Layers



Asphalt Pressure Distributor



Brooming ruck

Placing and Eq ipment



Placing and Equipment

-u"p Tru%/ @ is used to transport t!e "i;ture 'ro" bat%!in) p(ant to asp!a(t paver0

#sp!a(t Paver ' is a piece of %onstru%tion e*uip"ent used to la( asp!a(t on roads) &ridges) par*ing lots aother such places$ +t la(s the asphalt ,at and provides minor compaction &efore it is compacted &( a ro((e

Steel -oller . are se('3prope((ed %o"pa%tion devi%es t!at use stee( dru"s to %o"press t!e under(yin)

#sp!a(t Con%rete0 $ei)!tin) H to DG tonnes is re*uired to %o"pa%t AM#0 It is used 'or Initia( Ro((in) 0

Pneu"ati% Tire Ro((er . is a self.propelled compaction device that uses pneumatic tires to compact theunderl(ing !A$ Weighting # to / tonnes !en e"pty and around 6 tonnes !en 2((ed it! a))re)atesis used 'or +ina( Ro((in)0

Co"bination Ro((er . has vi&rator( steel drum in front and four smooth pneumatic tires in the rear$

Oi( is p(a%ed on t!e !ee(s o' ro((ers to prevent t!e AM# 'ro" sti%/in) to prevent da"a)in) t!e 2nis!edsur'a%e0

Ro((in) be)ins at (o side o' t!e or/ and pro%eedin) toard t!e !i)! side or %enter(ine0

Over(ay su%%essive strips by at (east !a(' o' t!e dru" idt!0

Co"pa%tion Te"perature s!a(( not be (ess t!an DG de)0C

Ro((in) s!a(( be %ontinued unti( ro((er "ar/s are e(i"inated and a "ini"u" o' D667 density o' (aboratoryspe%i"en !as been obtained0



Asphalt Paving Work



Compaction Work using !ollers



Pneumatic !oller

Asphalt Paver "teel !oller

Dump ruck

Field Quality Control



Field Quality Control

Sa"p(es s!a(( be ta/en 'ro" tru%/s. in pavers. or in roads and sent to(aboratory 'or testin)0

Bitu"en Content =#C>

Sieve ana(ysis

Ma;i"u" T!eoreti%a( -ensity ="">Stabi(ity

-ensity ="b>

+(o

#ir voids =Pa>

oids in Minera( #))re)ates =M#>

oids +i((ed it! #sp!a(t =+#>

9oss o' stabi(ity T!i%/ness -eter"ination

#(( test resu(ts s!a(( %o"p(y it! Job Mi; +or"u(a and Proje%t Spe%i2%ations0

Co"pa%tion o' t!e +inis!ed Pave"ent veri2ed usin):

Corin) Ma%!ine

Nu%(ear -ensity Testin) Ma%!ine

S"oot!ness Test0

Sur'a%e Test



#a$imum heoretical Density#arshall esting #achine



Coring Work

"urface est

Common Damages in Bituminous Concrete P



Common Damages in Bituminous Concrete P

-utting

Potholes

-avelingBleeding

Alligator Crac*s

Ruttin) are %!anne(iKed depression !i%! "ay deve(op



Ruttin) @ are %!anne(iKed depression !i%! "ay deve(opin !ee( tra%/s o' an asp!a(t pave"ent0 T!ey "aydeve(op due to t!e p(asti% "ove"ent in t!e "i; t!at doesnot enou)! stabi(ity to support tra8%0

Causes o' Ruttin)

-ue to !eavy tra8% (oads0

Ai)! asp!a(t %ontent o' AM#0

Ai)! +(o a(ue

9o Stabi(ity

9ess %o"pa%tion durin) p(a%in)0

+ai(ure o' base "ateria(s

Pot!o(es @ are t!e bo(3s!aped !o(es o' various siKes in



Pot!o(es @ are t!e bo(3s!aped !o(es o' various siKes int!e pave"ent 'ro" (o%a(iKed disinte)ration0

Causes o' Pot!o(es

9ess asp!a(t %ontent0

T!in sur'a%e t!i%/ness0

Non3 uni'or" "i;ture0

Poor draina)e syste"0

Rave(in) t!is is t!e pro)ressive separation o' Coarse



Rave(in) @ t!is is t!e pro)ressive separation o' Coarseand +ine a))re)ate parti%(es in t!e pave"ent0

Causes o' Rave(in)

9a%/ o' %o"pa%tion0

9o te"perature durin) %o"pa%tion0

Too (itt(e asp!a(t %ontent0

Over!eatin) o' t!e "i;0

B(eedin) or Lus!in) is t!e upard "ove"ent o' asp!a(t in



B(eedin) @ or Lus!in) is t!e upard "ove"ent o' asp!a(t inan asp!a(t pave"ent resu(tin) in t!e 'or"ation o' a 2(" o'asp!a(t in t!e sur'a%e0

Causes o' B(eedin)

Too "u%! asp!a(t on t!e "i;ture0

E;%ess pri"e or ta%/ %oat0

Aeavy tra8% (oads durin) !ot eat!er0

#((i)ator Cra%/s t!ese are inter %onne%ted %ra%/s 'or"in)



#((i)ator Cra%/s @ t!ese are inter3%onne%ted %ra%/s 'or"in)a series o' s"a(( b(o%/s rese"b(in) an a((i)ator s/in0

Causes o' #((i)ator Cra%/s

Unstab(e base "ateria(s0

Aeavy tra8% (oads0

9oer %ourses desi)n0

Poor -raina)e Syste"



e! "echnology in Asphalt Concrete#

RubberiKed #sp!a(t 3 is a !ot3"i;ed asp!a(t pave"ent%ontainin) %ru"b rubber0 T!e %ru"b rubber serves as a"odi2er o' t!e (i*uid asp!a(t0 Its addition )ives t!e (i*uid

asp!a(t )reater vis%osity =resistan%e to Lo> and i"provesot!er properties !i%! resist reLe%tive %ra%/in) and ruttin).and pro(on) pave"ent (i'e0

T!e %ru"b rubber uti(iKed is )enerated 'ro" pro%essin)s%rap tires0 T!e tires are s!redded and t!e stee(

rein'or%e"ent and 2bers separated 'ro" t!e rubber0 T!estee( rein'or%e"ent is %o""on(y re%y%(ed into nerein'or%in) stee( used in stru%ture %onstru%tion and t!e2bers %o""on(y re%y%(ed into pads used underneat!%arpetin)0



How it Works?

In'rared =IR> i"a)in) and round3Penetratin) Radar =PR> @ is used 'or



= > ) ) ) = >uni'or"ity "easure"ents on ne !ot3"i; asp!a(t =AM#> (ayers0 It is ane te%!no(o)y to en!an%e t!e ,ua(ity Contro( on #sp!a(t Pave"ents0

T!ese te%!no(o)ies o4ers rea(3ti"e testin) o' potentia((y D66 o' t!e

pave"ent area. providin) "u%! "ore inspe%tion %overa)e t!an e;istin),C "et!ods0

I"proves t!e state o' t!e pra%ti%e 'or obtainin) *ua(ity %ontro( data inAM# %onstru%tion0

T!e in'rared te%!no(o)y 'o%uses on t!e t!er"a( uni'or"ity e*uip"ent.!i%! enab(es inspe%tors and pavin) %res to "easure t!e rea(3ti"e "atte"perature and "a/e adjust"ents0

T!e PR te%!no(o)y provides )reater area in'or"ation on pave"ent

densi2%ation o' t!in (i'ts a'ter ro((in). a((oin) 'or *ui%/er turnaround and potentia((y avoidin) %ost(y and ti"e3sensitive nu%(ear testin)0







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Bituminous Concrete 3