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What are the advantages of emulsified asphalt in road performance compared with hot asphalt?
January 25th, 2022
1. Viscous layer oil
(1) When hot asphalt is used as bonding layer, because the original pavement is at normal temperature, the sprayed hot asphalt solidifies rapidly and is no longer popular, so it is difficult to ensure the uniformity of distribution;
(2) The asphalt content of emulsified asphalt can be adjusted arbitrarily according to the distribution amount and the specific situation of the distributor.
2. Prime coat
(1) The use of high permeability emulsified asphalt is to replace kerosene dilution asphalt, and coal asphalt is a more environmentally friendly and economical road material; And high permeability emulsified asphalt has excellent permeability;
(1) Compared with the hot asphalt thin layer overlay, it has better sealing effect and better prevention of surface water infiltration, so as to better protect the pavement structure;
(2) The traffic can be opened quickly. The traffic can be opened 1 ~ 2 hours after construction to reduce the impact of construction on traffic;
(3) Compared with the common asphalt pavement maintenance method of paving about 4cm hot mix asphalt concrete overlay after milling, the construction cost per unit area can be reduced by more than half.
(4) Operate under normal temperature, reduce energy consumption, do not release toxic substances, and meet the requirements of environmental protection;
(5) It has the advantages of fast forming, short construction period and long construction season. It can be operated at night. It is very suitable for roads, streets and airport roads with heavy traffic.
Since the use of emulsified asphalt, with the continuous development of technology, there are many things that can not be achieved with hot asphalt, which can be achieved with emulsified asphalt, and it is used more and more widely in road engineering.
(1) When hot asphalt is used as bonding layer, because the original pavement is at normal temperature, the sprayed hot asphalt solidifies rapidly and is no longer popular, so it is difficult to ensure the uniformity of distribution;
(2) The asphalt content of emulsified asphalt can be adjusted arbitrarily according to the distribution amount and the specific situation of the distributor.
2. Prime coat
(1) The use of high permeability emulsified asphalt is to replace kerosene dilution asphalt, and coal asphalt is a more environmentally friendly and economical road material; And high permeability emulsified asphalt has excellent permeability;
(2) With good adhesion, the base course and the lower layer are combined more firmly.
(1) Compared with the hot asphalt thin layer overlay, it has better sealing effect and better prevention of surface water infiltration, so as to better protect the pavement structure;
(2) The traffic can be opened quickly. The traffic can be opened 1 ~ 2 hours after construction to reduce the impact of construction on traffic;
(3) Compared with the common asphalt pavement maintenance method of paving about 4cm hot mix asphalt concrete overlay after milling, the construction cost per unit area can be reduced by more than half.
(4) Operate under normal temperature, reduce energy consumption, do not release toxic substances, and meet the requirements of environmental protection;
(5) It has the advantages of fast forming, short construction period and long construction season. It can be operated at night. It is very suitable for roads, streets and airport roads with heavy traffic.
Since the use of emulsified asphalt, with the continuous development of technology, there are many things that can not be achieved with hot asphalt, which can be achieved with emulsified asphalt, and it is used more and more widely in road engineering.
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