03-09-2017, 03:04 AM
Asphalt concrete commonly known as asphalt concrete, is a manual matching with a certain composition of the mineral aggregate (gravel or crushed gravel, stone or sand, slag, etc.) and a certain proportion of road asphalt material, under strict control conditions Mix the mixture. Classification, asphalt concrete according to the use of different materials can be divided into petroleum asphalt and coal tar pitch two categories; some countries or regions are also used or mixed with natural asphalt mixing.
According to the different varieties used, can be divided into gravel, gravel, sandy, the number of slag, the most common use of gravel. According to the maximum particle size of the mixture can be divided into coarse (35 to 40 mm below), medium (20 to 25 mm below), fine (10 to 15 mm below), sand (5 to 7 mm) Several classes. According to the density of the mixture is different, can be divided into dense grading, semi-open-level and open-level with the number of classes, open grade mixing material, also known as asphalt.
Which hot mix hot graded graded gravel mixture durable, high strength, good integrity, is the construction of high-grade asphalt pavement of the representative material, the most widely used. Countries have different specifications for the development of asphalt concrete.
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According to the different varieties used, can be divided into gravel, gravel, sandy, the number of slag, the most common use of gravel. According to the maximum particle size of the mixture can be divided into coarse (35 to 40 mm below), medium (20 to 25 mm below), fine (10 to 15 mm below), sand (5 to 7 mm) Several classes. According to the density of the mixture is different, can be divided into dense grading, semi-open-level and open-level with the number of classes, open grade mixing material, also known as asphalt.
Which hot mix hot graded graded gravel mixture durable, high strength, good integrity, is the construction of high-grade asphalt pavement of the representative material, the most widely used. Countries have different specifications for the development of asphalt concrete.
Related Links:
joints concrete slabs
outdoor led message board
concrete crack repair options
crack in concrete foundation repair
