Form Fhwa 1622 is a form used to request approval of plans for highway or street projects from the state transportation department. The form can be used for either small or large projects, and must be completed by the project engineer. The form is reviewed by the state transportation department to ensure that it meets all applicable standards. Completed forms must be submitted with supporting documentation, such as engineering drawings and traffic studies. approvals are typically granted within 30 days of submission. If you're working on a new highway or street project, you'll need to submit Form Fhwa 1622 to the state transportation department for approval. This form is used to request approval of plans for highway or street projects, and must be completed by the project engineer. The state transportation department will review the form to make sure it meets all applicable standards, and approvals are typically granted within 30 days of submission. Be sure to include supporting d
| Question | Answer |
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| Form Name | Form Fhwa 1622 |
| Form Length | 5 pages |
| Fillable? | No |
| Fillable fields | 0 |
| Avg. time to fill out | 1 min 15 sec |
| Other names | aashto t245 download, aashto t245 pdf, AASHTO, Pbe |
U.S. Department of Transportation
Federal Highway Administration
Federal Lands Highway
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WORKSHEET FOR A MARSHALL MIX DESIGN |
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AASHTO T 245 |
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Project: |
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Date: |
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Contractor: |
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Class & Grading of mixture: |
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Asphalt supplier: |
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Grade of asphalt: |
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Sources for: |
Aggregates: |
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Mineral filler: |
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Testing laboratory name: |
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Phone: |
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Testing performed by: |
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Testing reported by: |
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English |
Metric |
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SUMMARY OF THE PROPOSED |
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1.Percent asphalt by mass of total mix1, (Pb)
2.Air voids (Va)
3.Voids in mineral aggregate (VMA)
4.Maximum specific gravity (Gmm )
5.Recommended plant mixing temperature,
(Attach Temperature Viscosity Curve)
6.Effective specific gravity of aggregate (Gse)
7.Marshall stability,
8.Marshall flow,
Gradation Designation:
9.Specific gravity of binder (Gb)
10. Specific gravity of mineral filler
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12. Moisture susceptibility test results: 2 a. Dry strength, b. Wet strength, c. Index of retained strength, %
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GRADATION TARGET VALUES AND |
SPECIFIC GRAVITY AND ABSORPTION |
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ALLOWABLE DEVIATIONS |
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Job Mix |
Target Value |
Allowable |
Fine |
Coarse |
Combined |
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Sieve Sizes |
Formula |
Specification |
Deviation4 |
Aggregate |
Aggregate |
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Aggregate |
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Target Value 3 |
Range % |
% |
(AASHTO T 84) |
(AASHTO T 85) |
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Bulk SG (Gsb )
Bulk SSD SG
Apparent SG (Gsb)
Absorption |
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1Establish asphalt cement content (percent by mass of mix) to the nearest 0.01 percent.
2See contract for moisture susceptibility test method: AASTHO T 165/T 167 or AASTHO T 283.
3 Establish target values to the nearest 0.1 percent as a part of the job mix formula. 4 Allowable deviations plus or minus from established target values.
Form FHWA 1622 (Rev |
Page 1 of 5 |
WORKSHEET FOR A MARSHALL MIX DESIGN (Continued)
Material |
Stockpile Description |
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Blend Ratio |
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Stockpile |
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A |
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B |
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% |
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C |
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% |
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D |
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% |
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E |
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% |
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Total |
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% |
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Stockpile Gradation |
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Sieve
Size
Stockpile
A
%
Stockpile
B
%
Stockpile
C
%
Stockpile
D
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Stockpile |
Blended |
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E |
Stockpile |
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% |
Gradation |
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Job Mix
Formula
Target Values
Specification
Limits
Aggregate Properties
Property |
Result |
Specification |
Property |
Result |
Specification |
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LA Abrasion, % - Grading |
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Fractured Faces, % - |
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AASHTO T 96 |
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ASTM D 5821 |
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Sodium Sulfate Soundness, % |
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Sand Equivalent |
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AASHTO T 176, Alt method |
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AASHTO T 104 |
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#2, reference method |
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Durability index (Coarse) |
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Other: |
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AASHTO T 210 |
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Durability index (Fine) |
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Other: |
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AASHTO T 210 |
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Form FHWA 1622 (Rev |
Page 2 of 5 |
WORKSHEET FOR A MARSHALL MIX DESIGN (Continued)
Trial Number |
1 |
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2 |
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3 |
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% Asphalt by mass of total mix, (Pb) |
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Effective Binder Content (Pbe) |
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Specimen height, |
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Marshall Stability, |
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Marshall Flow, |
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Bulk specific gravity, (Gmb) |
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Bulk unit mass, |
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Max. specific gravity, (Gmm ) |
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% Air voids, (Va) |
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% Voids in mineral aggregate, (VMA) |
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Average Marshall Stability value, |
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Average Marshall Flow value, |
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Average % Air voids, (Va) |
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Average % Voids in mineral aggregate, (VMA) |
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Trial Number |
4 |
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5 |
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6 |
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% Asphalt by mass of total mix, (Pb) |
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Effective Binder Content (Pbe) |
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Specimen height, |
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Marshall Stability, |
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Marshall Flow, |
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Bulk specific gravity, (Gmb) |
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Bulk unit mass, |
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Max. specific gravity, (Gmm ) |
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% Air voids, (Va) |
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% Voids in mineral aggregate, (VMA) |
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Average Marshall Stability value, |
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Average Marshall Flow value, |
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Average % Air voids, (Va) |
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Average Voids in mineral aggregate, (VMA) |
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Test Results for Each of the Individual Moisture Susceptibility Test Specimens |
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Percent asphalt binder: |
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AASHTO T 165/T 167 |
AASHTO T 283 |
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Specimen Dia: |
6 inch |
4 inch |
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Antistrip, type, amount: |
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Freeze cycle: |
Yes |
No |
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Sample I.D. |
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Average |
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Height |
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Dry |
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Wet |
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Bulk Specific |
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Dry |
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Gravity |
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Wet |
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Air |
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Dry |
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Voids |
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Wet |
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Dry |
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Strength |
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Wet |
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Retained Strength, % |
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Form FHWA 1622 |
Page 3 of 5 |
WORKSHEET FOR A HVEEM MIX DESIGN (Continued)
Design Curves for Proposed Job Mix Formula (JMF)
AIR VOIDS (Va) |
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MARSHALL FLOW |
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% Air voids (Va )
% Asphalt binder (Pb)
% Asphalt binder (Pb)
MARSHALL STABILITY |
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VMA |
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Voids in mineral aggregate
% Asphalt binder (Pb) |
% Asphalt binder (Pb) |
Form FHWA 1622 (Rev |
Page 4 of 5 |
U.S. Department of Transportation
Federal Highway Administration
Federal Lands Highway
RECLAIMED ASPHALT PAVEMENT (RAP) DATA SHEET
Location: |
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Sampled by: |
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Tested by: |
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Date: _____________________ |
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RAP 1 |
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RAP 2 |
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% of RAP in Mixture |
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Dry |
T 308 |
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Dry |
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T 308 |
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Sieve Size |
Burned |
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Gradation |
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Gradation |
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Burned |
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Gradation |
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Gradation |
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AC by % mix, Pb
Specific Gravity |
Specific Gravity |
Gmm
Gse
Gse = (100 – Pb)/(10/Gmm – Pb/Gb)
Gsb
Gsb = Gse/(((Pba*Gse)/(100*Gb)) + 1)
Pba = (assumed)
Gb = (assumed)
Remarks:
Form FHWA 1622 (Rev |
Page 5 of 5 |