Asphaltic Concrete Binder Course 28

Wearing course ac 10.

Asphaltic concrete binder course 28. Layers of asphalt are installed and compacted. A modifier is generally not essential in dense graded asphalt concrete mixtures but to achieve some specific purpose or to overcome certain deficiencies a suitable stabilizer can be used. Binder course acb 20. For asphalt concrete dikes use pg 70 10.

Asphalt concrete base acb also called asphalt treated base atb is a dense graded hma with a larger nominal maximum aggregate size 1 inch intended for use as a base course or binder course see figure 1. Asphalt leveling course is defined as a layer of asphaltic concrete pavement of varying thickness spread on an existing pavement to compensate for irregularities prior to placing the surface or wearing course. Jkr specification jkr spj 2008 s4 2. Goutham sarang in use of recycled plastics in eco efficient concrete 2019.

Polymer modified asphalt high performance binder pmb pg70 pmb pg76. Asphaltic concrete binder course acbc 28 acbc 28 mix will follow the approved mix design and trial mix. Penetration grades 40 50 60 70 80 100 asphaltic concrete wearing course acwc asphaltic concrete binder course acbc viscosity grades class 170 class 320 bituminous surface macadam bituminous surface dressing. The binder which is sometimes called the base coat is a load bearing course consisting of aggregate and hot mix asphalt.

Surface areas where trailer landing gears are down should be designed with concrete pavement to support concentrated loads. The caltrans climate regions used for selecting asphalt binder grade is listed in table 1. Laboratory testing of two common types of asphaltic concrete in malaysia acw 20 and acb 28 was carried out on marshall specimens 63 5 mm high x 102 mm diameter using the indirect tensile test. Jkr specification jkr spj 2008 s4 3.

The aggregates shall be surface dry and shall be mixed at an appropriate temperature. On commercial vehicle parking surfaces asphalt binder grade f is a sufficient option but in extreme conditions a higher binder grade i pg 58e 34 should be used to reduce rutting and shoving. For low temperature placement. In addition to site paving benefits acb can be advantageous because it can provide.

Jkr specification jkr spj 1988 5. Because the binder must be strong it typically contains aggregates that are approximately 0 75 inch in size. As you may or may not know an asphalt pavement section or structure is made up of multiple and different asphalt layers lifts or courses. What is the binder.

At dme discretion pg 76 22pm may be specified for dense graded asphalt concrete for special location identified by dme. Jkr specification jkr spj 2008 s4 4. 14 2 1 dense graded asphalt concrete. Alexander 1968 reported the usage of different types of modifiers by many researchers and.

Jkr specification jkr. For tack coats use either 64 10 or 64 16. Binder course ac 28. This is where the binder and topcoat come in.

Wearing course ac 14.