To determine the rate of spread of binder by tray test. Apparatus: .APPLICATION OF BITUMINOUS PRIME I TACK COAT . G. Height of Spray Bar (mi: 1.
Testing methods and equipment were developed to measure the penetration ofthe prime coat into the base course and to determine the increase in adhesion.
Standard Method of Test for . This method covers the determination of liquidasphalt tack rate with and . to spray tack on the calculated area of roadway.
Prime and tack coats have a purpose in the pavement construction process, yetmany . coat guide publication developed for project development and fieldpersonnel to .. Non uniform coverage resulting from incorrect spray bar height. application rate.....28 . crushedgravel base courses as tested in directshear test.
Type of work: slurry, coldin~place, ire—mix, prime, fog seal, tack, etc. Whileguidelines can be given for selecting the proper type of emulsion to be used,laboratory test . Prime Coat: A spray application of SSlH applied to anabsorbent surface or . For seal coats, the recommended coverage rate is for onegallon of.
Research / Bond Strength Testing . Tack Coat Application Calculations. ?Spray Pavers. ? Review and .. The rate of material applied is calculated by.
Jun 12, 2011 . ANURA GAMINI 777 MANKULAM JUNCTION ASPHALT LAYINGUNSATISFACTORY PRIMECOAT WITH CSS1 NO PENETRATION.
The project plans specify the rate at which the prime coat is applied, and rateswill vary from one project to another. Generally, however, medium curing cutback.
The Contractor shall provide bituminous prime coat on unbound base layers priorto paving with asphalt surface . circulation spray bars adjustable laterally andvertically. . bituminous distributor at the rate of 0.25 to 0.50 gallons per squareyard . satisfactory materials, so demonstrated by service tests, shall beacceptable.
Scope. 2. 3. Prime Coat Over Granular Base. 2. 4. Tack Coat. 4. Appendix 1. 7... Rate of Spray (kg/m2. ) WMM/ .. coating test as described in Appendix 2. The.
Prime coats protect the integrity of the granular base during construction and helpreduce . Tack coat (also known as bond coat) is light spray application of diluted. rate of shear, magnitude of normal force, temperature and joint construction.
optimum residual tack coat application rate for the SS1hP emulsion using IM19.0A . Tack Coat, HMA Overlay, PCC Pavement, Direct Shear Test. 18. ...cements must be heated sufficiently to allow spray application; otherwise, it willbe very.
ITEM MO602 BITUMINOUS PRIME COAT . All construction methods, testing,and acceptance criteria shall be in accordance . unit for the pump and fullcirculation spray bars adjustable laterally and vertically. . The type of bituminousmaterial and application rate shall be approved by the Engineer prior toapplication.
Apr 2, 2009 . tack coat application rates, how to sample and test tack coat, and ... Samples arenormally taken from the spray bar at the rear of the distributor.
Prime Coat: The application of a prime coat will be permitted only: . heatedasphalt material at the designated rate, in an overlapping fan shaped spraywithout . same and a test shall be made, in advance of use to determinecompliance with.
Q. What asphalt materials should be used for prime coats? . Therefore, anapplication rate of 0.10 to 0.15 gals/sy of the diluted material will give .. stability,or for extraction testing, to determine asphalt content, asphalt properties and mixgradation. ... A. We do not recommend spraying water on freshly laid hot mixasphalt.
Jan 1, 2008 . SPECIFICATIONS FOR APPLYING PRIME COAT, BLOTTER, AND TACK COAT. Equipment shall be on the site and available for inspection, testing . maintaina sufficient and uniform pressure the full length of the spray bar so . and atvariable rates, shall be used to apply blotter sand to primed surfaces.
18.104.22.168 Prime Coat Trial Application Rate . irregular areas where hand sprayingof the bituminous material is . (2009; R 2013) Standard Method of Test for.
Jun 27, 2008 . Pavement middot; Materials middot; Testing middot; Construction middot; QC amp; QA middot; Design . A tack coat isa thin bituminous liquid asphalt, emulsion or cutback . Recommended EmulsionTack Coat Application Rates from Flexible Pavements of Ohio (2001) . of forcingthe tack coat material out the spray nozzles at a constant rate.
Tack Coat Emulsion Calculator. 1. Width of. Road. Feet. 2. Length of. Road. Miles. 3. Application. Rate. 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.11, 0.12, 0.13, 0.14.