3725.1SCOPE
Provide hot-poured, extra low modulus, elastic type joint and crack sealer to seal joints in concrete pavement, Bridges, other Structures and rout and seal applications on bituminous pavements.
3725.2REQUIREMENTS
Provide a sealant Material meeting the following requirements:
homogeneous compound
holes or discontinuities A Physical Requirements Provide sealant meeting the requirements of ASTM D6690, Standard Specification for Joint and Crack Sealants, Hot Applied, for Concrete and Asphalt Pavements, Type IV with the following modifications in Table 3725.2-1. Table 3725.2-1 ASTM D6690 Type IV Modifications Test Requirement Cone Penetration at 77°F, ASTM D5329* 100 – 150 dmm Cone Penetration at 0°F, ASTM D5329* modified ≥ 25 dmm Resilience, ASTM D5329* 30 – 60 percent NOTE: Ensure the Material meets these requirements after heating for 6 hours with constant mixing in a laboratory melter at the manufacturer’s maximum heating temperature. * ASTM D5329, Standard Test Methods for Sealants and Fillers, Hot-Applied, for Joints and Cracks in Asphalt Pavements and Portland Cement Concrete Pa vements B Packaging and Marking Package and ship the sealant Material in boxes weighing no greater than 50 pounds. Mark the boxes with the following information:
3725.3SAMPLING AND TESTING
Provide samples at rates and sizes meeting the requirements of the Schedule of Materials Control or as required by the Contract. The Materials Engineer will perform tests on samples taken from the product proposed for use. Submit to the Engineer a manufacturer’s Certificate of Compliance with each sealant batch. Perform tests meeting the requirements of ASTM D5329, Standard Test Methods for Sealants and Fillers, Hot-Applied, for Joints and Cracks in Asphalt Pavements and Portland Cement Concrete Pavements , except perform the bond test using sawed cement mortar blocks or asphalt HMA blocks (consistent with the pavement type) prepared using the methods found in the Laboratory Manual.
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