03_60_70.00.pdf
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- Guidewall Repair Locks 5, 6, 8, &9
- Solicitation number
- W912ES-17-B-0002
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Specs 03 60 70.00, table updated
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L/D 5,6,8,&9 GUIDEWALL CRIB REPAIR W912ES-17-B-0002
2.4.2 Cementitious Material
a. Portland cement must conform to ASTM C150/C150M, Type I/II, III; or ASTM C595/C595M, Type IS.
b. Fly Ash must conform to ASTM C618
2.4.3 Aggregates
Use only fine aggregates meeting the gradation listed in the table below:
Sieve Size Percent Passing
3/8-in 100
No. 4 95 to 100
No. 8 80 to 100
No. 16 50 to 85
No. 30 25 to 60
No. 50 5 to 30
No. 100 0 to 10
Fineness Modulus 2.3 to 3.1
Fine aggregates must meet the quality requirements specified in
ASTM C33/C33M.
2.4.4 Admixtures
Admixtures to be used, when required or approved, must comply with the appropriate specification listed. Retest, at the request of the Contracting Officer and at the expense of the Contractor, any chemical admixtures that have been in storage at the project site for longer than 6 months or that have been subjected to freezing. Material retested will be rejected if test results are not satisfactory.
2.4.4.1 Accelerating Admixture
Accelerators must meet the requirements of ASTM C494/C494M, Type C or E.
2.4.4.2 Water-Reducing or Retarding Admixture
Water-reducing or retarding admixture must meet the requirements of ASTM C494/C494M, Type A, B, or D. High-range water reducing admixture Type F or G may be used only when approved, approval being contingent upon particular placement requirements as described in the Contractor's Quality Control Plan.
2.4.4.3 Anti-Washout Admixture
Anti-Washout admixture must be self leveling and self consolidating and meet the requirements of COE CRD-C-661, and ASTM C494/C494M, Type S.
SECTION 03 60 70.00 Page 9
| 03 60 70.00 - LOW DENSITY CELLULAR CONCRETE FOR GROUTING GUIDEWALL CRIBS |
| 03 60 70.00 - LOW DENSITY CELLULAR CONCRETE FOR GROUTING GUIDEWALL CRIBS |
| PART 1 GENERAL |
| 1.1 REFERENCES |
| 1.2 SUBMITTALS |
| 1.3 CONTRACTOR/SUPPLIER QUALIFICATIONS |
| PART 2 PRODUCTS |
| 2.1 NON-SHRINK GROUT |
| 2.2 GENERAL LOW DENSITY CELLULAR CONCRETE REQUIREMENTS |
| 2.3 EPOXY GROUT |
| 2.4 MATERIALS |
| 2.4.1 Foaming Agent |
| 2.4.2 Cementitious Material |
| 2.4.3 Aggregates |
| 2.4.4 Admixtures |
| 2.4.4.1 Accelerating Admixture |
| 2.4.4.2 Water-Reducing or Retarding Admixture |
| 2.4.4.3 Anti-Washout Admixture |
| 2.4.4.4 Grout Admixture |
2.4.5 Water
2.5 MATURITY SENSORS
| PART 3 EXECUTION |
| 3.1 FORMWORK INSTALLATION |
| 3.2 LOW DENSITY CELLULAR CONCRETE BATCHING |
| 3.3 CONVEYING AND PLACING LOW DENSITY CELLULAR CONCRETE |
| 3.3.1 Placement by Pump |
| 3.3.2 Underwater Placement of Low Density Cellular Concrete |
| 3.4 NON-SHRINK GROUT MIXING, PLACING, FINISHING, AND CURING |
| 3.4.1 Mixing and Placing of Non-Shrink Grout |
| 3.4.2 Finishing Non-Shrink Grout |
| 3.4.3 Curing Non-Shrink Grout |
| 3.5 COLD WEATHER CONSIDERATIONS |
| 3.6 QUALITY CONTROL |
| 3.6.1 Test Specimens |
| 3.6.2 Compressive Strength Testing |
| 3.6.3 Oven-Dry Density Testing |
| 3.6.4 Maturity Method |
| 3.6.5 Milestone Inspections |
| 3.6.6 Final Inspection |
| 3.6.7 Reports |
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