Are you a Highway Designer, Bridge Engineer or interested in transportation engineering? If so, then you'll want to be aware of a new form from the Federal Highway Administration (FHWA). Fhwa 1607 is now available and it replaces Form Fhwa 1448. This new form will help designers document bridge scour analyses and includes some changes that are important for all design professionals. Let's take a look at what's changed and what you need to know about using this new form. Design professionals working on transportation projects will want to be aware of the release of Form Fhwa 1607 from the Federal Highway Administration (FHWA). Replacing Form Fhwa 1448, this new form documents bridge scour analyses and contains changes that are important for all design professionals. In this post we'll take a look at what has changed with Fhwa 1607 and how you can use it in your work. So if your job touches on any aspect of transportation engineering, make sure to read up on Form Fhwa 1607! It coul
| Question | Answer |
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| Form Name | Form Fhwa 1607 |
| Form Length | 5 pages |
| Fillable? | No |
| Fillable fields | 0 |
| Avg. time to fill out | 1 min 15 sec |
| Other names | 1607_v28 aashto and hveem mix design form |
U.S. Department of Transportation
Federal Highway Administration
Federal Lands Highway
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WORKSHEET FOR A HVEEM MIX DESIGN |
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AASHTO T 246 |
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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.Stabilometer value
Gradation Designation:
8.Specific gravity of binder (Gb)
9.Specific gravity of mineral filler
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11. 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 1607 (Rev |
Page 1 of 5 |
WORKSHEET FOR A HVEEM 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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% |
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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 1607 (Rev |
Page 2 of 5 |
WORKSHEET FOR A HVEEM 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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Stabilometer value |
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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 Stabilometer value |
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Average % Air voids, (Va) |
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Average % Voids in mineral aggregate, (VMA) |
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Average Bulk Unit Mass |
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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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Stabilometer value |
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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 Stabilometer value |
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Average % Air voids, (Va) |
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Average Voids in mineral aggregate, (VMA) |
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Average Bulk Unit Mass |
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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 1607 |
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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UNIT MASS |
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% Air voids (Va )
% Asphalt binder (Pb)
% Asphalt binder (Pb)
SVALUE |
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VMA |
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Stabilometer values |
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Voids in mineral aggregate |
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% Asphalt binder (Pb) |
% Asphalt binder (Pb) |
Form FHWA 1607 (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 1607 (Rev |
Page 5 of 5 |