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From page 148... ... 137 APPENDIX C Graphical Representation of Answers to Selected Questions by Respondents to the Questionnaire Survey (see Appendix A) RIOH–ALF WesTrack RRT–Rom NCAT MnROAD TRACKER RIOH–ALF LCPC–Fr RRT–Romania TRL–PTF ISETH PRF–La PRF–La TRACKER In–APLF MnROAD NCAT TRL–PTF HVS–SA LINTRACK LINTRACK MnROAD HVS–Nordic K–ATL K–ATL LCPC–Fr FHWA–PTF ATLaS ATLaS ATLaS NAPTF ISETH ISETH ISETH DRTM HVS–SA In–APLF HVS–SA HVS–CRREL DRTM FDOT–HVS NAPTF HVS–A CEDEX HVS–CRREL HVS–CRREL DRTM TxMLS CAPTIF–NZ CAPTIF–NZ CAL/APT CAL/APT ISETH ARRB–ALF CAL/APT ARRB–ALF ARRB–ALF HVS–SA Oh–APLF Oh–APLF Oh–APLF Oh–APLF CAL/APT National research program Academic research program State research program Partnership with others in private sector Service rendered for others; e.g., state DOTs, military, etc. Read the entire page →
From page 149... ... 138 RIOH–ALF HVS–A RIOH–ALF TxMLS WesTrack TRL–PTF HVS–A RRT–Rom TRACKER RIOH–ALF PRF–La TxMLS WesTrack NCAT TRL–PTFTRL–PTF HVS–A MnROAD HVS–A RRT–Rom TxMLS LINTRACK TxMLS PRF–La PRF–La HVS–A LCPC–Fr TRL–PTF NCAT NCAT TxMLS K–ATL MnROAD MnROAD MnROAD MnROAD ATLaS LINTRACK LINTRACK LINTRACK LINTRACK ISETH LCPC–Fr LCPC–Fr LCPC–Fr HVS–A LCPC–Fr In–APLF ATLaS K–ATL ATLaS TRL–PTF K–ATL HVS–SA ISETH ATLaS ISETH PRF–La ATLaS HVS–Nordic In–APLF ISETH INDOT MnROAD ISETH FHWA–PTF HVS–SA In–APLF HVS–SA LCPC–Fr In–APLF FDOT–HVS FHWA–PTF HVS–SA FHWA–PTF K–ATL HVS–SA NAPTF NAPTF FHWA–PTF NAPTF ATLaS HVS–Nordic DRTM DRTM FDOT–HVS DRTM In–APLF FHWA–PTF HVS–CRREL HVS–CRREL HVS–CRREL HVS–CRREL HVS–SA FDOT–HVS CEDEX CEDEX CEDEX CEDEX FDOT–HVS NAPTF CAPTIF–NZ CAPTIF–NZ CAPTIF–NZ CAPTIF–NZ HVS–CRREL HVS–CRREL CAL/APT CAL/APT CAL/APT CAL/APT CEDEX CEDEX ARRB–ALF ARRB–ALF ARRB–ALF ARRB–ALF CAL/APT CAL/APT Oh–APLF Oh–APLF Oh–APLF Oh–APLF ARRB–ALF ARRB–ALF Pavement structural composition Loading environment (traffic/climate) Materials and tests Performance models Construction techniques Rehabilitation strategies FIGURE C2 Implementation of your APT is geared towards. Read the entire page →
From page 150... ... 139 WesTrack HVS–A TxMLS WesTrack RRT–Rom HVS–A PRF–La TxMLS NCAT TRL–PTF MnROAD RRT–Rom LINTRACK NCAT LCPC–Fr MnROAD ATLaS LINTRACK ISETH LCPC–Fr RIOH–ALF HVS–Nordic K–ATL WesTrack TRACKER FHWA–PTF ATLaS TxMLS TxMLS FDOT–HVS ISETH PRF–La TRL–PTF NAPTF NAPTF MnROAD K–ATL HVS–CRREL RIOH–ALF DRTM HVS–SA In–APLF CEDEX TxMLS HVS–A HVS–CRREL FHWA–PTF DRTM CAPTIF–NZ MnROAD NCAT CAL/APT CAL/APT HVS–CRREL CAL/APT CAL/APT MnROAD ARRB–ALF ARRB–ALF Oh–APLF Oh–APLF ARRB–ALF ARRB–ALF Oh–APLF Field Laboratory Fixed site In-service pavements Test roads Specially constructed FIGURE C3 Type of APT application. (Source: Significant findings from full-scale/APT, Question 1.3) Read the entire page →
From page 151... ... 140 FIGURE C5 Number of pavement sections tested. (Source: Significant findings from full-scale/APT, Question 1.5) Read the entire page →
From page 152... ... 141 RIOH–ALF TRL–PTF RRT–Rom WesTrack ISETH LINTRACK FDOT–HVS CAPTIF–NZ K–ATL TxMLS NAPTF NCAT In–APLF ARRB–ALF HVS–Nordic PRF–La HVS–CRREL MnROAD HVS–Nordic Oh–APLF FHWA–PTF HVS–SA CEDEX CAL/APT <$0.1 M $0.1–0.2 M $0.2–0.4 M $0.4–0.8 M $0.8–1.6 M >$1.6 M* FIGURE C8 Yearly APT budget without pavement construction cost. Read the entire page →
From page 153... ... 142 RIOH–ALF WesTrack HVS–A TRACKER TRL–PTF RRT–Rom NCAT LINTRACK LCPC–Fr K–ATL ATLaS ISETH In–APLF HVS–SA HVS–Nordic FHWA–PTF DRTM HVS–CRREL CAPTIF–NZ TxMLS ARRB–ALF PRF–La Oh–APLF FDOT–HVS CEDEX <$0.5 M $0.5–1 M $1–2 M >$2 M* FIGURE C10 Average (typical) Read the entire page →
From page 154... ... 143 RIOH–ALF RIOH–ALF HVS–A HVS–A TRACKER TxMLS TxMLS TRL–PTF TRL–PTF RRT–Rom RRT–Rom PRF–La RIOH–ALF PRF–La NCAT HVS–A NCAT LINTRACK TRACKER LINTRACK K–ATL TRL–PTF ATLaS ATLaS RRT–Rom ISETH ISETH PRF–La In–APLF In–APLF NCAT HVS–SA HVS–SA LINTRACK HVS–Nordic HVS–Nordic K–ATL FHWA–PTF FHWA–PTF ATLaS FDOT–HVS FDOT–HVS In–APLF NAPTF NAPTF FHWA–PTF HVS–CRREL HVS–CRREL HVS–CRREL CEDEX CEDEX CEDEX HVS–SA CAPTIF–NZ CAPTIF–NZ WesTrack CAPTIF–NZ HVS–Nordic WesTrack CAL/APT TxMLS ARRB–ALF MnROAD ARRB–ALF FDOT MnROAD ARRB–ALF MnROAD Oh–APLF CAL/APT Oh–APLF NAPTF CAL/APT Oh–APLF HVS–Nordic <5 >5* Read the entire page →
From page 155... ... 144 ISETH NCAT HVS–SA NAPTF CAL/APT In–APLF CAPTIF–NZ <1:1 1:1 2:1 5:1 10:1 15:1 20:1 >20:1* FIGURE C13 Benefit-cost ratio* Read the entire page →
From page 156... ... 145 RIOH–ALF WesTrack HVS–A TxMLS RRT–Rom PRF–La NCAT MnROAD LINTRACK LCPC–Fr ATLaS WesTrack ISETH HVS–A HVS–SA TxMLS HVS–Nordic RRT–Rom FHWA–PTF NCAT FDOT–HVS MnROAD NAPTF LINTRACK HVS–CRREL LCPC–Fr CAPTIF–NZ ISETH CAL/APT In–APLF ARRB–ALF HVS–CRREL Oh–APLF ARRB–ALF Structural performance Functional performance FIGURE C15 Purpose of the structural compositions used in APT programs. (Source: Significant findings from full-scale/APT, Question 2.1) Read the entire page →
From page 157... ... 146 PRFL–La WesTrack HVS–A TxMLS TRL–PTF NCAT LINTRACK K–ATL FHWA–PTF FDOT–HVS MnROAD NAPTF MnROAD MnROAD MnROAD ISETH DRTM HVS–SA HVS–SA HVS–SA HVS–SA CAL/APT ARRB–ALF ARRB–ALF CAPTIF–NZ ARRB–ALF Oh–APLF Ravelling Bleeding Other Aggregate loss Not applicable FIGURE C17 Distress criterion evaluated for seals. (Source: Significant findings from full-scale/APT, Question 2.3) Read the entire page →
From page 158... ... 147 RIOH–ALF HVS–A TxMLS TRL–PTF PRF–La MnROAD LCPC–Fr K–ATL ISETH HVS–SA HVS–Nordic NAPTF RIOH–ALF DRTM HVS–A HVS–CRREL MnROAD CEDEX HVS–SA WesTrack CAPTIF–NZ MnROAD HVS–CRREL NCAT CAL/APT DRTM CAPTIF–NZ FDOT–HVS ARRB–ALF HVS–CRREL ARRB–ALF K–ATL Oh–APLF Permanent deformation Frost/thaw damage Shear failure Other Not applicable FIGURE C19 Distress criterion evaluated for pavements with granular materials. (Source: Significant findings from full-scale/ APT, Question 2.5) Read the entire page →
From page 159... ... 148 RIOH–ALF WesTrack HVS–A TxMLS TRL–PTF RIOH–ALF RRT–Rom WesTrack PRF–La TxMLS NCAT TRL–PTF MnROAD RRT–Rom LINTRACK PRF–La LCPC–Fr NCAT K–ATL MnROAD ISETH LINTRACK In–APLF LCPC–Fr HVS–SA K–ATL FHWA–PTF ISETH FDOT–HVS In–APLF RIOH–ALF DRTM HVS–SA WesTrack HVS–CRREL FHWA–PTF TxMLS CEDEX DRTM NCAT TxMLS CAPTIF–NZ CEDEX RIOH–ALF MnROAD RRT–Rom WesTrack CAL/APT CAPTIF–NZ WesTrack In–APLF MnROAD MnROAD ARRB–ALF CAL/APT MnROAD HVS–SA HVS–SA K–ATL Oh–APLF ARRB–ALF HVS–CRREL CAL/APT FHWA–PTF Oh–APLF NAPTF Rutting Fatigue Low temperature cracking Moisture damage/ stripping Aging Other Not applicable FIGURE C21 Distress criterion evaluated for pavements with asphaltic materials. (Source: Significant findings from full-scale/APT, Question 2.7) Read the entire page →
From page 160... ... 149 PRF–La PRF–La HVS–A TxMLS HVS–A TRL–PTF TxMLS RRT–Rom HVS–A TRL–PTF NCAT TxMLS TxMLS RRT–Rom MnROAD TRL–PTF TRL–PTF NCAT K–ATL NCAT MnROAD FDOT–HVS ISETH ISETH ISETH In–APLF NAPTF DRTM In–APLF In–APLF FHWA–PTF RRT–Rom HVS–CRREL CAL/APT FHWA–PTF NCAT FHWA–PTF DRTM MnROAD CAPTIF–NZ ARRB–ALF ARRB–ALF DRTM ARRB–ALF ARRB–ALF FHWA–PTF Oh–APLF Rutting Cracking Slippage Fatigue Debonding Other Not applicable FIGURE C23 Distress criterion evaluated for pavements with composite materials. (Source: Significant findings from full-scale/APT, Question 2.9) Read the entire page →
From page 161... ... 150 RIOH–ALF WesTrack TxMLS TRL–PTF RRT–Rom PRF–La NCAT MnROAD LINTRACK WesTrack LCPC–Fr HVS–A ISETH WesTrack TxMLS HVS–SA TxMLS RRT–Rom FHWA–PTF TRL–PTF PRF–La FDOT–HVS PRF–La NCAT HVS– CRREL NCAT MnROAD CAPTIF–NZ MnROAD LCPC–Fr K–ATL CAL/APT CEDEX ISETH RIOH–ALF NAPTF Oh–APLF ARRB–ALF ARRB–ALF HVS–SA HVS–SA MnROAD MnROAD DRTM Rutting Skid resistance Roughness Punchouts Delamination Spalling Other Not applicable FIGURE C25 Which safety aspects were addressed in your APT program? (Source: Significant findings from full-scale/APT, Question 2.11) Read the entire page →
From page 162... ... 151 RIOH WesTrack HVS–A TxMLS TRL–PTF WesTrack RRT–Rom RIOH–ALF HVS–A PRF–La HVS–A TxMLS NCAT TxMLS TRL–PTF LINTRACK TRL–PTF RRT–Rom LCPC–Fr RRT–Rom PRF–La K–ATL MnROAD ISETH ISETH LINTRACK RIOH–ALF In–APLF In–APLF LCPC–Fr TRL–PTF RIOH–ALF HVS–A HVS–SA HVS–SA ISETH MnROAD WesTrack TRACKER HVS–Nordic HVS– Nordic In–APLF LINTRACK HVS–A TRL–PTF FHWA–PTF FHWA–PTF HVS–SA LCPC–Fr TRACKER PRF–La FDOT–HVS RIOH–ALF WesTrack NAPTF HVS–Nordic In–APLF TRL–PTF MnROAD NAPTF TxMLS RRT–Rom DRTM FHWA–PTF HVS–SA LINTRACK LINTRACK DRTM TRL–PTF PRF–La HVS– CRREL DRTM HVS– Nordic HVS–SA LCPC–Fr WesTrack HVS– CRREL MnROAD NCAT CEDEX HVS–CRREL FHWA–PTF DRTM ISETH NCAT CEDEX NCAT LINTRACK MnROAD CAPTIF– NZ CEDEX DRTM CEDEX FHWA MnROAD CAPTIF–NZ MnROAD HVS–SA ISETH ARRB–ALF CAPTIF–NZ CEDEX CAPTIF– NZ NAPTF MnROAD HVS–SA ARRB–ALF CEDEX LCPC– Fr HVS– CRREL CAPTIF– NZ Oh–APLF ARRB–ALF ARRB–ALF ARRB–ALF CEDEX CAPTIF–NZ CAPTIF– NZ Oh–APLF Oh–APLF FHWA ARRB– ALF ARRB– ALF HVS– SA Applied wheel load Tire pressure Tire type Contact stress Load configuration Suspension system Vehicle/ pavement dynamics Channelized/ Wandering Speed Rest periods Overloading Roughness/ PSI Other FIGURE C27 Load characteristics that have been related to APT. (Source: Significant findings from full-scale/APT, Question 3.1) Read the entire page →
From page 163... ... 152 RIOH–ALF WesTrack HVS–A TxMLS TRL–PTF RRT–Rom PRF–La NCAT RIOH–ALF MnROAD WesTrack LCPC–Fr TxMLS K–ATL RRT–Rom ISETH HVS–A PRF–La In–APLF PRF–La NCAT HVS–SA RIOH–ALF MnROAD MnROAD HVS–Nordic TxMLS LCPC–Fr ISETH FHWA–PTF PRF–La ISETH HVS–A In–APLF NAPTF NCAT HVS–SA TxMLS HVS–SA DRTM MnROAD WesTrack HVS–Nordic NCAT DRTM HVS–CRREL LCPC–Fr PRF–La DRTM MnROAD HVS– CRREL CEDEX HVS–SA PRF–La MnROAD HVS–CRREL K–ATL CEDEX ARRB–ALF CEDEX NCAT HVS–SA CEDEX HVS–SA TxMLS MnROAD ARRB–ALF APLF ARRB–ALF MnROAD FHWA–PTF ARRB–ALF ARRB–ALF MnROAD K–ATL Air temperature Pavement temperature Rainfall Relative humidity Aging Water table Drainage Depth to bedrock Other FIGURE C28 Environment/weather data that have been related to APT performance. (Source: Significant findings from full-scale/APT, Question 3.2) Read the entire page →
From page 164... ... 153 RIOH–ALF WesTrack HVS–A TRACKER TxMLS TRL–PTF RRT–Rom PRF–La NCAT LINTRACK RIOH–ALF LCPC–Fr WesTrack K–ATL TxMLS ISETH PRF–La HVS–SA WesTrack NCAT HVS–Nordic TxMLS LCPC–Fr FHWA–PTF NCAT K–ATL FDOT–HVS LINTRACK–NL In–APLF NAPTF LCPC–Fr HVS–SA DRTM HVS–SA WesTrack FHWA–PTF HVS–CRREL HVS–CRREL TxMLS FDOT–HVS CEDEX CEDEX NCAT CEDEX CAPTIF–NZ CAPTIF–NZ K–ATL ARRB–ALF ARRB–ALF ARRB–ALF DRTM Oh–APLF Oh–APLF Oh–APLF HVS–CRREL Hot (>40°C) Read the entire page →
From page 165... ... 154 FIGURE C32 Asphaltic materials tests. (Source: Significant findings from C on tin uo us ly g ra de d O pe n gr ad ed S em i-g ap g ra de d G ap g ra de d La rg e st on e m ix es S M A P or ou s as ph al t R A P G us sa sp ha lt S an d as ph al t Surface Base 0 5 10 15 20 25 full-scale/APT, Question 4.2) Read the entire page →
From page 166... ... 155 WesTrack WesTrack TRACKER TxMLS WesTrack WesTrack PRF–La TRL–PTF PRF–La TxMLS WesTrack TxMLS NCAT NCAT NCAT TxMLS PRF–La LCPC–Fr NCAT MnROAD In–APLF In–APLF PRF–La NCAT WesTrack FHWA–PTF K–ATL FHWA–PTF HVS–SA FHWA–PTF FHWA–PTF TxMLS FHWA–PTF TxMLS ARRB–ALF FHWA–PTF FDOT–HVS CEDEX CAL/APT ARRB–ALF PRF–La HVS–A CAL/APT PTF MMLS3 French Rut Tester Hamburg Tester Asphalt Pavement Analyzer Other wheel tracking Volumetric shear test Repeated shear test at constant height Simple shear test at constant height Repeated shear test at constant stress Uniaxial strain test Shear frequency sweep test at constant height Wheel Trafficking Tests Wheel Tracking Tests SST RIOH TxMLS TRL–PTF WesTrack RRT–Rom TxMLS PRF–La TRL–PTF NCAT PRF–La MnROAD NCAT LINTRACK MnRoad WesTrack WesTrack LCPC-Fr LCPC-Fr PRF-La TRL-PTF K–ATL K–ATL NCAT PRF–La HVS–SA HVS–SA MnROAD NCAT TRL–PTF FHWA–PTF LCPC–Fr MnROAD TRL–PTF WesTrack NAPTF FDOT–HVS K–ATL HVS–SA TRL–PTF MnROAD TRL–PTF DRTM CEDEX FHWA–PTF FHWA–PTF HVS–SA ISETH RRT–Rom CEDEX CAL/APT FDOT–HVS FDOT–HVS FDOT–HVS In–APLF MnROAD ARRB–ALF ARRB–ALF CEDEX CEDEX ARRB–ALF HVS–SA LINTRACK Penetration, Softening point, Ductility Dynamic shear rheometer Bending beam rheometer Rotational viscometer Sliding plate rheometer Other asphalt binder tests Other Asphalt Binder Tests FIGURE C34 Laboratory tests used in conjunction with APT of asphalt pavements. (Source: Significant findings from full-scale/APT, Question 4.4) Read the entire page →
From page 167... ... 156 RIOH–ALF WesTrack HVS–A HVS–A TxMLS TRL–PTF TRL–PTF PRF–La RRT–Rom NCAT PRF–La MnROAD NCAT RIOH–ALF LINTRACK MnROAD WesTrack LCPC–Fr LINTRACK HVS–A ISETH RIOH–ALF TRACKER LCPC–Fr TRL–PTF In–APLF HVS–A TxMLS K–ATL NCAT HVS–SA HVS–A PRF–La TRL–PTF ISETH MnROAD FDOT–HVS PRF–La NCAT Auburn RRT–Rom HVS–SA LINTRACK NAPTF NCAT MnROAD PRF–La FDOT–HVS HVS–SA CEDEX MnROAD ISETH LCPC–Fr CEDEX FHWA–PTF CAPTIF–NZ HVS–SA HVS–SA K–ATL CAPTIF–NZ CEDEX CAL/APT FDOT–HVS CEDEX NAPTF ARRB–ALF CAL/APT LCPC–Fr ARRB–ALF CEDEX ARRB–ALF HVS–SA Oh–APLF Oh–APLF ARRB–ALF ISETH MnROAD Oh–APLF ARRB–ALF Oh–APLF CAL/APT Direct tensile tests Indirect tensile tests Bending beam fatigue Cantilever fatigue tests Semi– circular bending test Triaxial testing Dynamic creep Static creep Other performance related tests Other performance related tests RIOH–ALF WesTrack HVS–A WesTrack RIOH–ALF RRT–Rom HVS–A WesTrack PRF–La TRACKER TxMLS NCAT PRF–La RRT–Rom MnROAD NCAT NCAT K–ATL MnROAD MnROAD ISETH LCPC–Fr WesTrack WesTrack LCPC–Fr RIOH–ALF RIOH–ALF In–APLF K–ATL NCAT RRT–Rom K–ATL MnROAD TxMLS HVS–SA In–APLF In–APLF MnROAD ISETH K–ATL TRL–PTF NAPTF HVS–SA HVS–A HVS–SA LCPC–Fr HVS–SA ISETH MnROAD DRTM FDOT–HVS LCPC–Fr FHWA–PTF HVS–SA FHWA–PTF HVS–SA ISETH CEDEX CAL/APT HVS–SA CEDEX FHWA–PTF MnROAD DRTM CEDEX HVS–SA ARRB–ALF ARRB–ALF CAL/APT CAPTIF–NZ CEDEX K–ATL CEDEX ARRB–ALF CEDEX TxMLS Oh–APLF HVS–SA Oh–APLF ARRB–ALF CAL/APT ARRB–ALF FDOT–HVS ARRB–ALF Oh–APLF ARRB–ALF MnROAD Marshall Modified Marshall (Hugo) Gyratory Roller Other compaction tests Short or long term aging Perme- ability Basic aggregate tests Unconfined compressive strength California bearing ratio Seismic measure– ments Laboratory compaction FIGURE C34 (Continued) Read the entire page →
From page 168... ... 157 FIGURE C35 Concrete materials/structures tested with APT. (Source: O rd in ar y po rtl an d ce m en t co nc re te H ig h A lu m in a ce m en t c on cr et e B la st fu rn ac e ce m en t c on cr et e P ol ym er m od ifi ed c on cr et e Fi be r r ei nf or ce d co nc re te O th er JCP CRCP Pre-stressed Block pavers Other 0 1 2 3 4 5 6 7 8 Significant findings from full-scale/APT, Question 4.5) Read the entire page →
From page 169... ... 158 HVS–A RRT–Rom MnROAD LCPC–Fr K–ATL HVS–SA FHWA–PTF HVS–A HVS–A NAPTF MnROAD MnROAD TRL–PTF CAL/APT HVS–SA LCPC–Fr TRL–PTF RRT–Rom MnROAD ARRB–ALF CAL/APT NAPTF RRT–Rom FHWA–PTF NAPTF Oh–APLF Oh–APLF Oh–APLF HVS–SA NAPTF Direct tensile strength test Direct tensile fatigue tests Cylinder compression tests Strength tests on field cores Split tensile strength test Split tensile fatigue tests Cube compression tests Other FIGURE C37 Laboratory tests used in conjunction with APT of concrete pavements. (Source: Significant findings from full-scale/APT, Question 4.7) Read the entire page →
From page 170... ... 159 RIOH–ALF RIOH–ALF WesTrack RIOH–ALF WesTrack HVS–A RIOH–ALF HVS–A HVS–A TRACKER HVS–A TxMLS TxMLS MnROAD TxMLS RRT–Rom PRF–La LINTRACK RRT–Rom PRF–La MnROAD LCPC–Fr MnROAD MnROAD RIOH–ALF LINTRACK In–APLF LINTRACK LINTRACK WesTrack LCPC–Fr HVS–SA LCPC–Fr LCPC–Fr PRF–La ISETH HVS–Nordic ISETH In–APLF MnROAD In–APLF RIOH–ALF FHWA–PTF HVS–SA HVS–SA LINTRACK HVS–SA TxMLS NAPTF NAPTF FHWA–PTF LCPC–Fr HVS–Nordic RRT–Rom DRTM DRTM NAPTF In–APLF DRTM PRF–La HVS–CRREL HVS–CRREL DRTM HVS–SA HVS–CRREL MnROAD HVS–A CEDEX CEDEX HVS–CRREL FHWA–PTF CEDEX LINTRACK TxMLS CAPTIF–NZ CAPTIF–NZ CEDEX HVS–CRREL CAPTIF–NZ In–APLF PRF–La CAL/APT CAL/APT CAPTIF–NZ CEDEX CAL/APT HVS–SA MnROAD ARRB–ALF ARRB–ALF CAL/APT CAL/APT ARRB–ALF CAPTIF–NZ ISETH RIOH–ALF Oh–APLF Oh–APLF ARRB–ALF ARRB–ALF Oh–APLF ARRB–ALF ARRB–ALF MnROAD DRTM Stress/strain modeling Deflection modeling Deformation modeling Fatigue modeling Backcalculation of modulus Load equivalency Pavement serviceability Cracking Other FIGURE C39 Aspects of modeling studied using APT. (Source: Significant findings from full-scale/APT, Question 5.1) Read the entire page →
From page 171... ... 160 RIOH–ALF WesTrack HVS–A TxMLS PRF–La RIOH–ALF MnROAD HVS–A RIOH–ALF LINTRACK TxMLS WesTrack LCPC–Fr RIOH–ALF RRT–Rom HVS–A K–ATL HVS–A MnROAD TxMLS ISETH TxMLS LCPC–Fr RRT–Rom In–APLF PRF–La K–ATL NCAT HVS–SA MnROAD In–APLF MnROAD HVS–Nordic LCPC–Fr HVS–SA LCPC–Fr FHWA–PTF K–ATL HVS–Nordic K–ATL NAPTF HVS–Nordic NAPTF HVS–SA MnROAD DRTM NAPTF HVS–CRREL NAPTF LINTRACK HVS–CRREL DRTM RIOH–ALF CEDEX DRTM FHWA–PTF CEDEX HVS–CRREL HVS–A CAPTIF–NZ HVS–CRREL DRTM CAL/APT CEDEX TxMLS CAL/APT CEDEX CAPTIF–NZ ARRB–ALF CAPTIF–NZ PRF–La ARRB–ALF CAL/APT CAL/APT Oh–APLF ARRB–ALF MnROAD Oh–APLF ARRB–ALF Oh–APLF Strain gauges Pressure cells Load cells Displacement gauges Subgrade moisture sensors Other* Read the entire page →
From page 172... ... 161 RIOH–ALF WesTrack HVS–A RIOH–ALF TxMLS WesTrack RRT–Rom HVS–A PRF–La TxMLS NCAT PRF–La LINTRACK MnROAD LCPC–Fr LINTRACK K–ATL LCPC–Fr ISETH In–APLF HVS–SA HVS–SA HVS–Nordic WesTrack FHWA NAPTF TxMLS NAPTF DRTM PRF–La DRTM HVS–CRREL MnROAD HVS–CRREL CEDEX LINTRACK CEDEX CAPTIF–NZ LCPC–Fr TxMLS CAPTIF–NZ PRF–La CAL/APT ISETH MnROAD CAL/APT MnROAD ARRB–ALF FHWA–PTF HVS–SA ARRB–ALF In–APLF Oh–APLF CEDEX CAL/APT Oh–APLF DRTM None Elastic layer analysis Visco-elastic analysis Elasto-plastic analysis Finite element analysis Other FIGURE C41 Models used with APT studies. (Source: Significant findings from full-scale/APT, Question 5.3) Read the entire page →
From page 173... ... 162 HVS–A RIOH–ALF TxMLS WesTrack TRL–PTF HVS–A RRT–Rom NCAT MnROAD MnROAD LCPC–Fr MnROAD RRT–Rom In–APLF HVS–A ISETH K–ATL MnROAD HVS–SA TRL–PTF NCAT HVS–SA ISETH LCPC–Fr HVS–CRREL RRT–Rom RIOH–ALF MnROAD CEDEX HVS–SA TRL–PTF ISETH CAPTIF–NZ LCPC–Fr TxMLS HVS–SA CAL/APT ARRB–ALF MnROAD HVS–CRREL CAL/APT HVS–Nordic MnROAD CEDEX MnROAD ARRB–ALF Oh–APLF ISETH CEDEX ARRB–ALF HVS–CRREL ARRB–ALF ARRB–ALF HVS–SA Uncon- ventional materials Joints Buried pipes Durability Compaction Reinforcement Preventive maintenance Surface texture Surface drainage PRF–La NCAT MnROAD WesTrack HVS–A MnROAD PRF–La PRF–La MnROAD HVS–SA HVS–A NCAT NCAT CAL/APT MnROAD Oh–APLF CEDEX CEDEX ARRB–ALF ARRB–ALF LCPC–Fr MnROAD CEDEX NCAT ARRB–ALF HVS–Nordic Gradients Slippage Road marking Traffic accomo– dation Patching Risk management QA/QC Surface tolerance Layers Subsurface drainage Other FIGURE C42 Aspects of pavement engineering that enhance construction and rehabilitation through APT. (Source: Significant findings from full-scale/APT, Question 6.1) Read the entire page →
From page 174... ... 163 RIOH–ALF WesTrack TRL–PTF NCAT K–ATL TxMLS ISETH RRT–Rom HVS–SA WesTrack PRF–La CEDEX HVS–A In–APLF CAL/APT WesTrack NCAT HVS–CRREL ARRB–ALF NCAT CAL/APT ARRB–ALF Oh–APLF MnROAD Performancerelated specifications Warranties Pay factors Risk management Not applicable Other FIGURE C43 APT aids in development of construction specifications and contracts with regards to: (Source: Significant findings from full-scale/APT, Question 6.2) Read the entire page →

From page 148...

... 137 APPENDIX C Graphical Representation of Answers to Selected Questions by Respondents to the Questionnaire Survey (see Appendix A) RIOH–ALF WesTrack RRT–Rom NCAT MnROAD TRACKER RIOH–ALF LCPC–Fr RRT–Romania TRL–PTF ISETH PRF–La PRF–La TRACKER In–APLF MnROAD NCAT TRL–PTF HVS–SA LINTRACK LINTRACK MnROAD HVS–Nordic K–ATL K–ATL LCPC–Fr FHWA–PTF ATLaS ATLaS ATLaS NAPTF ISETH ISETH ISETH DRTM HVS–SA In–APLF HVS–SA HVS–CRREL DRTM FDOT–HVS NAPTF HVS–A CEDEX HVS–CRREL HVS–CRREL DRTM TxMLS CAPTIF–NZ CAPTIF–NZ CAL/APT CAL/APT ISETH ARRB–ALF CAL/APT ARRB–ALF ARRB–ALF HVS–SA Oh–APLF Oh–APLF Oh–APLF Oh–APLF CAL/APT National research program Academic research program State research program Partnership with others in private sector Service rendered for others; e.g., state DOTs, military, etc.