paveprep faa spec form

Engineering Brief # 22 ASPHALT RUBBER AND RUBBERIZED COAL TAR PITCH EMULSION Introduction During the past few years, two new asphaltic products have been introduced to the construction industry. Both products are a modification of existing materials and incorporate some form of rubber to provide increased elasticity and flexibility. Asphalt-rubber is essentially a chip seal with up to 25 percent reclaimed rubber...
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paveprep faa spec
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