Crumb Rubber Modifier (CRM) in Asphalt Pavements
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- Beryl Hodges
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1 c. C. \J.<:O'S S kc 1:::>o"""'A C. - R. P. IA.. Contract No.: ldtfh61-94-c Crumb Rubbr Modifir (CRM) in Asphalt Pavmnts Quartrly Progrss Rport Octobr 1 through Dcmbr 31, 1997 Prpard for: u.s. Dpartmnt of Transportation Fdral Highway Administration 400 Svnth Strt, S.W. Washington, D.C January 25, 1998
2 Crumb Rubbr Modifir (CRM) in Asphalt Pavmnts Quartrly Progrss Rport Octobr 1 through Dcmbr 31, 1997 DETAILED ACTIVITIES Th tchnical accomplishmnts this quartr and th activitis plannd for nxt quartr ar prsntd blow for ach task. TASK A - EXPERT TASK GROUP (ETG) (8 Th ETG mt Dcmbr 17, 1997, at th Turnr-Fairbank labs. Minuts hav bn distributd. (8 In consultation with th ETG and FHW A, th rsarchrs will modify th workplan to rflct th input rcivd at th ETG mting. (8 Non. TASK B - WORKPLAN Non. Additional rvisions will b mad following th COTR rcommndations and th input of th ETG providd at th nxt ETG mting. Non. 1 HEROILUNDY\CRM\REPORTSlQTRLYI41HQTR97.REP
3 TASK C - PAVEMENT DESIGN fill Non. fill Non, until th rvisd workplan is finalizd. Idntification of ProblmslRcommndd Solutions fill Non. TASK D - LAllORATORY EVALUATION III III Prpard intrim rport for distribution to th ETG. Round robin tsting of CRM bindrs data hav bn rcivd from th following: Agncy Paralll Plat Cup and Plat AZDOT./ NA Asphalt Institut North Cntral Suprpav Cntr (purdu)././ Northast Suprpav Cntr (pnn Stat)./ NA U of Wisconsin././ CalTrans././ Although OSU has not yt rcivd th data, UNR rports that it has compltd th low tmpratur valuation of CRM bindrs. Low tmpratur cracking and moistur snsitivity tsting has bn compltd on availabl matrials from fild sctions. At th rqust of th FHW A th work at UCB (prmannt dformation and fatigu tsting) and OSU (CRM mix dsign) work was stoppd in arly Novmbr pnding th discussion/rsults ofth Dcmbr ETG mting. NA 2 J,IERO\LUNDYlCRM\REPORTSlQTRLYI4TI1QTR97.REP
4 <II <II Continu analysis of bindr tst data as thy bcom availabl. Pnding dirction by th FHW A, work on mix charactrization at UCB and mix dsign at OSU is in a holding pattrn. <II Non. TASK E - ACCELERATED PAVEMENT TESTING (APT) <II Non. Non. <II Non. TASK F - CONSTRUCTION GUIDELINES II> No activity. Non, pnding compltion of th rvisd workplan... Non. TASK G - PERFORMANCE MONITORING.. Notification was snt in Novmbr 1997 to suspnd work. A projct summary was prpard in arly Dcmbr (attachd). 3 HEROILUND"Y\CRMUlEI'ORTSlQTRLY\4THQTR97.REP
5 Cors wr takn by FL DOT and ar stord at NCAT. Non, pnding rvision of th workplan. Non. TASK H - DATA MANAGEMENT Activitis Prformd This Quartr '" S attachd summary. '" Non... Non. TASK I - TECHNOLOGY TRANSFER Thr was no activity in this task during th quartr... Non. Idntification of ProblmslRcommndd Solutions Non. TASK J - DRAFT TECHNICAL REPORTS Non.
6 G Non. Idntification of ProblmslRcommndd Solutions fli> Non. TASK K - FINAL TECHNICAL REPORTS fli> Non.. fli> Non. Idntification of ProblmslRcommndd Solutions G Non. 5 J,\ERO\LUNDYlCRM\REPORTSlQTRLYI41HQTR91.REP
7 LIST OF REPORTS Contract No. DTFH61-94-C No. Author Titl Task Status I ElkinslMorian Projct Rcruitmnt Documnt G Compltd 2 Lahy t al. Acclratd Pavmnt Tsting Plan E Compltd 3 Hicks t a1. Summary of Practics in Arizona, I Compltd California, and Florida 4 Lundy Structural Dsign Guidlins - Intrim C Draft sub. 9/18/95 to FHWA 5 Lahy t al. Mix Dsign Guidlins - Intrim D Draft submittd May Hanson t al. Construction Guidlins - Intrim F Draft sub. 9/18/95 to FHWA 7 Yapp t al. Data Collction Guids - Intrim G Draft Submittd 8 Yapp t al. Status of Projct Rcruitmnt G Draft Submittd 9 Yapp t al. Dvlopmnt of CRM Databas H Work in Progrss 6 J:1ER0\LUNDY\CRM\R.EPORTSlQTRLy\4rnQTR97.REP
8 Attachmnt 1:IERO\LUNDY\CRMREPORTS\Q11U.Y\41HQTR97.REP
9 -{.k <{b,d/,"z-o co rrc 1, r Dat: 1211/97 To: Jim Lundy, Rita Lahy (Orgon Stat Univrsity) C: Mark Novack From: Margot Yapp (Nichols Consulting Enginrs) ~ RE: CRM Projct Summary (Tasks G and H) Projct Rcruitmnt & Fild Data Collction (Task G) As of Novmbr 1997, th CRM study has a total o{thirtn sits and thirty-thr sctions in svn stats. Th last of th CRM fild projcts hav bn constructd and fild data collction will b complt onc th Data Collction Guidlins for Florida and Pnnsylvania ar compild. Also, cors must b obtaind for th Florida stts. Th tabl blow summarizs th charactristics of ach sit. Tabl 1. Sit Charactristics for CRM Projcts Stat & Location AX Casa Grand 1-8 Sction No. 040ROI Typ Control Layr Dsign structural Grading Layr Information unifonn AC mction cours 2"AC 2"AC 040R02 CRM structural unifonn rubbr AC mction cours 2"rubbr AC 2"AC 040R03 CRM structural unifonn rubbr AC mction cours 2"AC 2"AC 040R04 CRM structural unifonn AC mction cours 2" rubbrac 2"AC 1 ETG mmo.doc
10 1211/97 CRM Projct Summary (Tasks G and H) Tabl 1 continud. AX HolbrookI-40 04IROl Control functional gap 04lR02 CRM functional gap O4IR03 CRM. strnctural gap rubbr AC friction cours l.5" AC 2.5" ACbas rubbr AC friction cours 1.5" rubbr AC 2.5" ACbas rubbr AC friction cours 2.5" rubb.r AC 1.5" AC bas AX Phonix ROI Control functional opn 1" AC friction cours 042R02 CRM functional opn 1" rubbr AC friction cours CA Kttlman SR-41 06IROI Control functional gap l.77" AC 06IR02 CRM l.77" rubbr AC CA Calxico SR-l11 062ROI Control strnctural gap 2.36" AC 062R02 CRM 2.36" rubbr AC FL Chipola SR"{)9 I20ROI CRM strnctural dns I" rubbr AC friction cours 1.5" strnctural ovrlay (Marshall) 3/4 11 lvling cours 120R02 Control strnctural dns 1" AC friction cours 1.5" strnctural ovrlay (Marshall) 3/4" lvling cours 'l5jilii'7j.ojl1cllpii/,giiitj?ifo_'tjjl,"imrc"w;'l!ffjtmrfrg1j;~.qr;1jg'1jiltyt~ FL Chipola SR-71 12IROI CRM strnctural dns 1" rubbr friction cours 2.25" strnctural ovrlay (SupIpav) 3/4" lvling cours 121R02 Control strnctural dns I" AC friction cours 2.25" strnctural ovrlay (SupIpav) 3/4" lvling cours P~(~'J!PJ1TcilO1if.(}"iiiag;izot,y rciv,'il1i8.iij.}i.ljat,;i{llfjmt!ft.~~(""'.y-~"")"'lq,='ii~ IL US ROI CRM functional dns 1.5" rubbr AC l.75" AC 111 lvling cours I70R02 CRM functional dns 1.5" AC l.75" rubbr AC 1" lvling cours 170R03 CRM functional dns 1.5" rubbr AC 1.7S" rubbr AC I" lvling cours I70R04 Control functional dns 1.5" AC l.7s" AC 1" lvling cours 170ROS CRM functional dns 1.5" rubbr AC 1.7S" AC 1 II lvling cours dns 1.S" AC surfac cours I.S" AC bindr cours 280R02 CRM strnctural dns 1.5" rubbr AC surfac (CIYopolymr) MS Grnada I ROI Control strnctural 280R03 CRM stnictural dns 1.5" rubbr AC bindr (Cryopolymr) I.S" rubbr AC surfac (Rous) l.s" rubbr AC bindr (Rous) MS Mndian I ROI Control strnctural dns 2" AC ovrlay 281R02 CRM strnctural dns 2" rubbr AC (Rous) 2
11 1211/97 CRM Projct Summary (Tasks G and H) Tabl 1 continud. NH Hwyl0l FA SR R02 CRM structural dns, 330ROI Control structural dns 420ROI Control functional dns 420R02 CRM functional dns 'l'~~"w/atjhiimfjj%p.!!!pltijtfiwpia; I'" rubbr AC Surfac 2" rubbr AC Bindr 2.5'" rubbr AC Bas I'" AC Surfac 2'" ACBindr 2.5'" ACBas 1.5" AC IS' rubbr AC Prformanc Monitoring (Task G) Tabl 2 (blow) dtails th prionnanc monitoring that has bn compltd as wll as schduld tsting for ach sit. Prconstruction and postconstruction tsting was prionnd at most sits. Tabl 2. Fild Prformanc Monitoring Schdul Sit# Pr-<:onstruction Post-construction Nxt Tsting Dat Phonix, AZ (I-17) 9/ /98 Holbrook, AZ (I-40) 8/96.9/ Casa Grand, AZ (I-8) /96 9/98 Calxico, CA (SR-III) 9/ Kttlman, CA (sr-4l) 9/96 8/ Chipola, FL (I-69) 10/ Chipola, FL (I-71) 10/ Illinois (US-24) 8/ /98 Grnada, MS (I-55) 8/ Mridian, MS (I-59) x Nw Hampshir (US-lOl) x 10/96 10/98 Pnnsylvania (SR-4I) 8/ Databas Summary (Task H) Th databas is oprabl for fild data from th Oata Collction Guidlins. All Oata Collction Guid data has bn ntrd with th xcption of Florida and Pnnsylvania. Also, mor than half of th fild prfonmanc monitoring data has bn ntrd into th databas. Fild data is stord in sparat tabls by Projct 10. Th gnral structur for th lab tst rsults has bn cratd in th databas, howvr, dtaild data fonnats ar ndd to complt this part of th databas. Th Projct 10 and th Sampl 10 will idntify th lab data in th databas. A Sampl 10 that idntifis ach sampl and its aging condition at tsting nds to b dvlopd and incorporatd into th databas. No furthr databas work has bn prfonnd pnding rcipt of tnmination of all work. Projct ID Th Projct 10 fonmat is mad of six charactrs, as shown blow. Th Projct 10 must b abl to handl tst rsults gnratd from matrials that wr not takn from a spcific projct. In this cas, 00 or XX may b usd as th Stat Cod.. 320R01 Stat Cod (from LTPP) 32QR01 Sit Numbr (0 for first sit in th stat, 1 for th scond, tc.) CRM Projct idntifir (usd in all Projct ID's) 320R01 Sction Numbr (01 is gnrally th control sction) 3
12 1211/97 CRM Projct Summary (Tasks G and H) Sampl JD UC-Brkly and Orgon Stat Univrsity ar dvloping th format for th Sampl 10. Th Sampl ID's will hav to contain information on th aging condition of th bindrs usd. If it is a hot mix sampl, thn additional idntifirs for mixing and compaction locations (fild vs. lab) must b usd. If it is a bindr sampl, thn additional idntifirs for th blnding information (fild vs. lab and with/without CRM) must b usd. No additional work has bn prformd on this itm. Lvls of Data Thr ar thr discmabl lvls of data as discussd at th Octobr 25, 1997 mting in Corvallis, Orgon. Lvl A data is raw data kpt by th rsarchrs and handd ovr to FHWA in a zippd fil format. Lvl A data will not b ntrd into th databas. Lvl B data is gnrally calculatd or slct valus from th lvl A data. Lvl C data has only on valu pr tst (rportd as pr tst mthod rquirmnts) and it could b th avrag valu or bst valu gnratd by th lab tsts. Lvl Band C data will b ntrd into th databas. This is furthr dscribd in a tch mmo datd Novmbr 17,1997. Databas Tabl Nams Currntly, th tabls blow hav bn cratd in th CRM databas. Th changs discussd in th Octobr 25, 1997 mting in Corvallis hav D.Q! bn implmntd. AASHTO PP1-S3 AASHTO PP1-S3 RESULTS - - AASHTO TP1-S3 AASHTO_TP1-S3_RESULTS AASHTO TP3-S3 AASHTO_TP3-S3_RESULTS AASHTO _ TP3S-S4 AASHTO _ TP3S-94 _RESULTS AASHTO TP48-94 AASHTO _ TP48-S4 _ RESULTS AASHTO TP4-S3 AASHTO TP4-93 RESULTS - - AASHTO _ TP5-S3 AASHTO TP5-93 RESULTS - - AASHTO TP8-S4 AASHTO _ TP8-S4 _ RESULTS AASHTO TP9-94 AASHTO _ TPS-S4 _ RESULTS AC Bindr Grad - - Aggrgat_Gradation Aggrgat_Proprtis Aggrgat_Proprtis _I! Asphalt_ Cmnt_Modifirs Asphalt_ Cmnt_Proprtis Asphalt_ Cmnt_Proprtis 2B Asphalt_Rfinrs _and_procssors Asphalt~Rubbr_ Blnd Climatic_Data Cor_Sampls Cor_Sampls _Layr_Data Crumb_Rubbr _Modifirs Dipstick_Radings Dipstick_Radings _Sub Distrss Data (SPS 3) Functional Class HMAC Imags Layr_Data Maintnanc Actions MON JWD _COMMENTS MON_FWD_DROP_DATA MON_FWD_LOC)NFO. MON_FWD_MASTER MON]ROFILE_MASTER Nots Projct_Cod _Mastr Rsilint_Modulus _Data Sampl_Cod _Mastr Sampling_Log Sampling_ Log_I! Sction_Data Skid Jriction _Data Stat Cods Traffic_Data 4
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