ASTM D2643/D2643M-21

Podrobné informace

Označení: ASTM D2643/D2643M-21

Datum vydání: 01.09.2021

Stran: 3

Země: Americká technická norma

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Anotace

This specification covers prefabricated asphalt liner sheets intended for installation to provide a continuous, exposed lining for reservoirs, ponds, canals, and ditches. The liner sheets shall consist of layers of asphalt mastic between asphalt-saturated felts, mats, or fabrics, and shall be coated on both sides and covered with a material to prevent the finished sheets from sticking together during storage and shipment. The coating shall be a hot-applied asphalt material permitted to be compounded with a mineral stabilizer. Thickness of asphalt coating, water absorption, mass percent of asphalt, resistance to decay, flexibility, brittleness, and heat dissipation tests shall be performed to conform to the requirements specified.


Keywords:
bitumen, canals, ditches, exposed lining, geomembrane, geotextile, PBGM, prefabricated bituminous geomembrane,, ICS Number Code 91.100.50 (Binders. Sealing materials)