Asphalt Rubber Chip Seal Specification

Chip seal is an application of bituminous material followed by a layer of.

Asphalt rubber chip seal specification.

The binder may be cold or hot applied. New tailgate talk available safe use of a cut off saw. The specifications for aggregates used in chip seals are included in section 37 1 02 of the standard specifications. Detailed specifications chip seal section 410 chip seal 410 1 description.

Hot applied binders can be polymer modified asphalt cements asphalt rubber and polymer crumb rubber blends as well as unmodified asphalt cements. Many countries have developed rational. The state chip seal specifications. This work shall consist of the construction of a single course chip seal for pavements and or shoulders in accordance with the contract documents.

The engineer john mcadam invented the revolutionary crushed stone layer roads with binders in the early 1800s. Ct public works highway departments covid 19. Chip seal is also known as macadam named for a scottish pioneer for paved roads. Distribution statement copies available from ntis and online at.

Cold applied binders include modified and unmodified medium and rapid setting emulsions. In a chip seal road a thin layer of asphalt is laid down before layers of crushed stone and aggregate are compacted on top of the asphalt. Refer to txdot specification item 300 for several requirements for tire rubber crumb rubber modified asphalt and asphalt rubber. Seal coats or chip seals.

The standard chip seal specifications for these agencies are summarized and compared 2 5 spokane county self performs chip seals unlike the three other agencies. Different types of binders can be used in a chip seal. Paving applications that use crumb rubber include seal coats or chip seals hot mix asphalt pavement or flexible pavement and crack sealer. Key words chip seal asphalt emulsion hot applied chip seal design chip seal specifications.

7 3 2 chip seal design properly designed chip seals have proven to be cost effective in sealing pavements and providing a new riding surface with enhanced frictional characteristics. Double chip seal specification description the contractor shall furnish all labor equipment material supplies environmental protection no parks raised markers signage traffic control secondary sweeping and other incidentals necessary to provide a double application of polymerized emulsified asphalt cover coat aggregate and a fog. Section 37 seal coats 4 3701 general. This section provides guidelines for inspecting work for applying seal coats as specified under section 37 seal coats of the standard specifications which includes chip seals slurry seals micro surfacing fog seals flush coats parking area seals and crack treatments.

For asphalt rubber binder chip seals surface temperature must be at least 55 f and air temperature must be 60 105 f.