Asphalt Rubber Chip Seal Specification

The results will also determine if the macro texture based new zealand chip seal performance specification is applicable for oregon chip seals.

Asphalt rubber chip seal specification. New tailgate talk available safe use of a cut off saw. Chip seal is also known as macadam named for a scottish pioneer for paved roads. Many countries have developed rational. For asphalt rubber binder chip seals surface temperature must be at least 55 f and air temperature must be 60 105 f.

The binder may be cold or hot applied. Different types of binders can be used in a chip seal. Refer to txdot specification item 300 for several requirements for tire rubber crumb rubber modified asphalt and asphalt rubber. The state chip seal specifications.

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. 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. Seal coats or chip seals. Cold applied binders include modified and unmodified medium and rapid setting emulsions.

Section 37 seal coats 4 3701 general. Distribution statement copies available from ntis and online at. Chip seal shoulders only item to be selected only when the mainline pavement will not be chip sealed. This work shall consist of the construction of a single course chip seal for pavements and or shoulders in accordance with the contract documents.

Chip seal is an application of bituminous material followed by a layer of. Detailed specifications chip seal section 410 chip seal 410 1 description. 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. 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.

Key words chip seal asphalt emulsion hot applied chip seal design chip seal specifications. Paving applications that use crumb rubber include seal coats or chip seals hot mix asphalt pavement or flexible pavement and crack sealer. The engineer john mcadam invented the revolutionary crushed stone layer roads with binders in the early 1800s. Hot applied binders can be polymer modified asphalt cements asphalt rubber and polymer crumb rubber blends as well as unmodified asphalt cements.

The specifications for aggregates used in chip seals are included in section 37 1 02 of the standard specifications.