1029PERFORMANCE GRADED BINDER

- 841 - SECTION 1029 -- PERFORMANCE GRADED BINDER

1029.01Description

of AASHTO M332 Table 1. PG binder sha ll also conform to the Department PG+ specifications (Table 1029.01) wh en classified as a modified binder.

that is certified by the Department.

Department of Transportation, Materials and Research Division, Flexible Pavement Engineer.

the Department Bituminous Laboratory for review and approval. The program shall follow, at a minimum, the guidelines of AASHTO R26 with references to AASHTO M320 to include AASHTO M332.

following PG Binder Groups: (1) AASHTO Materials Reference Laboratory (AMRL) (2) Western Cooperative Testing Group (WCTG) (3) Combined States Binder Group (CSBG) (4) A PG Binder round robin Group approved by the Department

requirements of the group or groups in which they participate, to maintain certification by the Department. In additi on, active participation is required to maintain certification by the Department. Active participation will include submitting of round robin sample results.

approved PG Binder Group membership is pending, a temporary certification may be issued for a period of up to one year. Split sample testing will be required prior to receiving a temporaryce rtification. Split sample testing will be done on all grades of binder that t he supplier intends to supply during the temporary certification period. The supplier will have up to one year to become certified by participating in an d following the requirements of one or more of the approved PG Binder Groups , and to meet all other conditions for certification.

past round robin results, laboratory inspection reports, reasons for and investigative reports on outlying resu lts, quality control testing results, technician training and/or pr oficiency testing reports.

terminal without notice anytime during pr oduction or supplying of material to the Department. The inspection may also include the supplier’s laboratory.

PG binder proposed for use to the Department Materials and Research

Performance Graded Binder

- 842 - Bituminous Laboratory for courtesy testing prior to Asphalt production. The test results will be for Information-Only.

more of the following conditions exist:

specifications as outlined herein.

a certified supplier as outlined, but not limited to only these conditions.

writing by the Department. The notific ation will include the reason(s) why decertification occurred. PG Binders from a decertified source will not be accepted for use on Department projects.

the following steps are required:

gaining Certified Supplier status. This may include the submittal of material samples to ensure specifications compliance before recertification approval.

Flexible Pavement Engineer explaining the cause(s) of decertification outlined in the notification, and the acti ons that are being taken to correct the problem(s) identified by the Department.

1029.02Material Characteristics

specifications:

oC or greater, shall be defined as modified.

Table 1029.01 PG+ Specifications AASHTO T350 MSCR Average Percent Recovery @ 3.2 kPa for modified PG binders AASHTO M332 Performance Grade Test Temperature of 58 oC 58S – 34 --- 58H - 34 30 Min. 58V - 34 55 Min. 58E - 34 75 Min.

modifier to elastomer modifiers and shall not exceed 0.50% maximum PPA .03

- 843 - addition (by weight of binder). The total phosphorous content of the PPA- modified PG Binder shall not exceed 1900 ppm. The total phosphorous content shall be determined as per ASTM D1091, ASTM D6443, or ASTM D6481.

Department requires a sample of the base asphalt binder, a sample of the PPA, and supplier-prepared varying PPA percentage modified binder samples. These samples shall be se nt to the Department Bituminous Laboratory prior to project Asphalt production.

elastomer modifiers. If crumb rubber is used:

void.

M332 is then void.

asphalt refinery or terminal prior to (for tank storage) or as (in-line blending) being loaded into the transport vehicle.

shall not separate when handled and stored as per the supplier’s recommendations.

not demonstrate evidence of localized gelation or over-crosslinking of polymers. The composite material shal l not otherwise contain any other non- homogenous conglomerations.

binders with a grade temperature spread of less than 92oC.

1029.03Procedure

construction or when switching suppliers, stating the type of any modifier(s) being used. The Material Certification mu st also state that the material has not been air blown or oxidized.

includes the use of PPA (Polyphosphori c Acid) and/or crumb rubber, then the Material Certification must also stat e the type of all modifiers used in the formulation. If PPA is used, the Material Certification must state the percent PPA in the binder, and also state and co nfirm the total phosphorous content of the PPA modified binder.

proper storage and handling of each grade and shipment of PG Binder.

grade designations from what is specif ied, requires advance notification to, and approval by, the Engineer. The substitution of the PG Binder shall also be identified in the sample identification submittals.

Performance Graded Binder

- 844 - 4. PG Binder Lots and their re spective samples are defined as follows:

production of Asphalt, or final portion thereof, will be a binder lot.

include a blend of grades as defined in paragraph 5.

production of a binder lot, it is the C ontractor’s responsibility to ensure both the compatibility and the specifications compliance of the mixture of the respective binder products. The supplier designation of the lot will be listed as “mixed suppliers” if the binder lot sample was taken after this occurs.

blend binder grades, or to switch binder suppliers, prior to either occurrence.

per binder lot.

and shall be taken by the Contractor's Certified Sampling Technician, with confirmation by Department personnel. The sample shall be taken at the plant from the line between the storage t ank and the mixer, or from the tank supplying material to the line, at a location from which material sampled is representative of the material in the line to the mixer. The sampling process shall follow procedures of the Department’s Materials Sampling Guide.

will be accepted and the sample will be discarded. If the tested PG Binder does not comply, then the pay factor of the PG Binder lot represented by the sample shall be adjusted according to Table 1029.02, and Table 1029.03 (if modified).

than 200 tons, a minimum of one PG Binder lot sample is required. If the PG Binder does not comply with test sp ecifications, then the pay factor of the PG Binder lot shall be adjusted according to Table 1029.02, and Table

(if modified)

be allowed only with prior approval, and with the following restrictions:

binder), and/or AASHTO M332 specifications when tested as ±3° C of the specified PG Binder grade.

sample, and it will be taken during initial production following the blending of the binders.

applied as per Table 1029.02, and Table 1029.03 (if modified), when not meeting specifications.

blending conditions and provide a statem ent that the sample is a blend of grades. .03

- 845 - e. The next lot sample, following the sample representing the blend, will be tested as the specified binder grade for the asphalt mixture being produced and shall meet AASHTO M332 and PG+ (if modified), specifications.

elastomer modifiers listed in 1029.02 Paragraph 1.c. will be allowed.

Research Bituminous Laboratory, will do selective testing on each Binder Lot. When any test result shows a lot sa mple not meetings pecifications, that lot sample and any adjacent previous, and any adjacent following lot sample received will be tested for complete specifications compliance. Adjacent lot sample testing will then continue in th is manner until tested samples meet all specifications, or there are no more lot samples remaining to be tested.

Performance Graded Binder

- 846 - 7. All lot samples as tested are s ubject to the Pay Factors listed in Table 1029.02, and also Table 1029.03 if modified, below: Table 1029.02

Tests of AASHTO M332 Pay Factor Table 1 Test and Specification Test Results Pay Factor Original Binder Dynamic Shear, G*/Sin , kPa Min. 1.00 > 0.99 1.00 0.97 - 0.99 0.95 0.94 - 0.96 0.90 0.91 - 0.93 0.85 < 0.91 0.70 or Reject Rolling Thin Film Oven Residue, Standard Traffic “S”, MSCR Jnr3.2 Max. 4.5 kPa-1 <4.6 1.00 4.6 .95 4.7 .90 4.8 .85 >4.8 .70 or Reject Rolling Thin Film Oven Residue, Heavy Traffic “H”, MSCR Jnr3.2 Max. 2.0 kPa-1 <2.1 1.00 2.1 .95 2.2 .90 2.3 .85 >2.3 .70 or Reject Rolling Thin Film Oven Residue, Very Heavy Traffic “V”, MSCR Jnr3.2 Max. 1.0 kPa-1 <1.1 1.00 1.1 .95 1.2 .90 1.3 .85 >1.3 .70 or Reject Rolling Thin Film Oven Residue, Very Heavy Traffic “E”, MSCR Jnr3.2 Max. 0.5 kPa-1 <0.6 1.00 0.6 .95 0.7 .90 0.8 .85 >0.8 .70 or Reject Pressure Aging Vessel Residue Dynamic Shear, “S”, G* sin , kPa Max. 5000 < 5001 1.00 5001 - 5200 0.95 5201 - 5400 0.90 5401 - 5600 0.85 > 5600 0.70 or Reject Pressure Aging Vessel Residue Dynamic Shear, “H”, “V”, “E”, G* sin , kPa Max. 6000 < 6001 1.00 6001 – 6050 .95 6051 – 6100 .90 6101 – 6150 .85 >6150 .70 or Reject

.03

- 847 - Test and Specification (cont’d) Test Results Pay Factor Pressure Aging Vessel Residue BBR m-Value Min. 0.300 >0.350 1.05 0.300 – 0.350 1.00 0.295 – 0.299 0.95 0.290 – 0.294 0.90 0.285 – 0.289 0.85 <0.285 0.70 or Reject Pressure Aging Vessel Residue BBR Creep Stiffness, mPa Max. 300 < 200 1.05 200 - 300 1.00 301 - 310 0.95 311 - 320 0.90 321 - 330 0.85 > 330 0.70 or Reject

Table 1029.03 PG + Pay Factor Table 1 AASHTO T350 Multiple Stress Creep Recovery (MSCR) @ 58oC Test and Specifications Test Results Pay Factor AASHTO M332 Performance Grade 58H-34 Average Percent Recovery @ 3.2 kPa Min. 30% > 29 1.00 29 0.95 28 0.90 27 0.85 < 27 0.70 or Reject AASHTO M332 Performance Grade 58V-34 Average Percent Recovery @ 3.2 kPa Min. 55% > 54 1.00 54 0.95 53 0.90 52 0.85 < 52 0.70 or Reject AASHTO M332 Performance Grade 58E-34] Average Percent Recovery @ 3.2 kPa Min. 75% > 74 1.00 74 0.95 73 0.90 72 0.85 < 72 0.70 or Reject Pressure Aging Vessel Residue BBR Creep Stiffness, mPa Max. 300 < 200 1.05 200 - 300 1.00 301 - 310 0.95 311 - 320 0.90 321 - 330 0.85 > 330 0.70 or Reject 1 If a lot sample has more than one test that results in a reduced pay factor (less than 1.00) from either or both of the above Pay Factor Tables, the single largest pay factor reduction will be the one used in determining the lot pay factor. If a lot sample passes all testing (1.00 or greater), and one or more test pay factors are 1.05, the pay fa ctor of 1.05 will be the one used in determining the lot pay factor.

Performance Graded Binder

- 848 - 8. When all lot samples have been received and tested, a final pay factor of all the PG Binder per Asphalt type will be calculated and applied as follows:

The final pay factor cannot exceed 1.000. Example Calculations: 4 Binder Lots Asphalt: 0.95 + 1.05 + 1.00 + 0.85 4 = 0.962 Final Pay Factor 3 Binder Lots Asphalt: 0.95 + 1.05 + 1.05 3 = 1.017 = Final Pay Factor of 1.000

asphalt binder.

0.70 or Reject will be removed. If 0.70 or Reject material is left in place, a price factor of 0.70 will be the determined lot pay factor. The final pay factor will be applied to the contract unit price of asphalt binder.

the Department.

determined by testing of the replacement material.

are outside of specification limits, the initial process of resolving the sample failure will include the following actions, as appropriate:

of the remaining portion of the sample as determined necessary to confirm the original test result(s).

Department project personnel, who will in turn notify the Contractor. All parties will arrange to investigate all aspe cts of the testing, loading, handling and delivery of the material in question. The Contractor and Department project personnel shall report their findings to the Bituminous Laboratory.

all information provided.

report of tests for all samples tested, to include any resulting final pay factor deductions or removals. A copy of the report of tests will be distributed to the District and the Construction Division. The District will then provide a copy to the Contractor. PG Binder Supplier requests for a copy of this report will be directed to the Contractor.

investigations have been completed on any failing lot sample(s) that subjected the final pay factor from paragraph 8 to less than 1.000, the Department will select an independent la boratory for referee testing to take place on the remaining portion of the sample(s). .03

- 849 - a. Only the Contractor can init iate dispute resolution, and request referee testing. The request must be made, in writing, to the Department Construction Division within 30 days of awareness of final pay factor determination. Otherwise disput e resolution is forfeited.

until the selected laboratory has comple ted the referee testing, and the Department Bituminous Laboratory has submitted a final report of the results.

deductions equal to or greater than the Department’s, the Contractor will reimburse the Department for the cost of testing. If the independent lab's tests indicate that the material meetss pecification, or is at a pay deduction less than the Department’s, the Department will assume the cost of testing. When the independent lab's tests indicate a pay deduction, the lesser of the Department’s and the independent lab's deductions will be applied.

- 850 - SECTION 1030 -- LIQUID ASPHALTS

1030.01Description

liquid asphalt.

1030.02Material Characteristics

Curing Type requirements with the following changes:

the residue, the Department specifies the test of penetration with a specification of 120 to 250 dmm for all grades.

of which are used as diluent in the fluxing of cutback materials production, the Table 1 test requirements of Flash Point (tag, open cup), and Distillation, percent by volume of total distillate at the temperatures of 225 oC (437oF) and 260oC (500oF), are removed.

1030.03Procedures

transferred, or otherwise handled, as per Manufacturer’s recommendations.

1030.04Acceptance Requirements

Materials Sampling Guide .