Asphalt pavement crack resistant sticker Sichuan crack resistant sticker production base

Description :

　　Main properties of anti cracking stickers:

　　1. Isolation effect. Laying anti cracking stickers (also known as anti cracking stickers) isolates the cracked surface layer from the asphalt surface layer, avoiding direct contact between the cracked surface layer and the asphalt surface layer. The tensile stress of the base layer cracks cannot be directly transmitted to the asphalt concrete surface layer. Although it reduces the bonding force between the base layer and the surface layer, the high polymer anti cracking stickers can effectively bond the upper and lower layers into a whole and jointly bear the vehicle load, which is sufficient to prevent relative displacement of the interface between the upper and lower layers and maintain continuity.

　　2. Reinforcement effect. Crack resistant stickers (also known as crack resistant stickers) have a certain strength and can withstand a certain amount of crack tensile stress. When the crack tensile stress is greater than the tensile strength of the crack resistant sticker, the crack resistant sticker begins to deform, and the surface layer begins to bear the tensile stress transmitted by the crack resistant sticker. The anti crack layer will bear all the tensile stress of the crack, and obviously the anti crack layer plays a reinforcing role. In this sense, it improves the tensile strength of the pavement structure layer.

　　3. Energy dissipation buffering effect. Crack resistant stickers (also known as crack resistant stickers) are materials with certain extensibility. High polymers have good low-temperature flexibility. When laid between asphalt pavement layers, it is equivalent to setting up an elastic layer. The tensile stress of the base crack is extended to a wider range through the high polymer of the crack resistant sticker, thereby relieving the stress intensity at the crack. The elastic interlayer can absorb some of the tensile energy.

　　4. Waterproof and anti-seepage function. Anti cracking stickers (also known as anti cracking stickers) can form a complete waterproof and anti-seepage layer, which can block the infiltration of road water into the roadbed, thereby protecting the strength of the base layer and preventing further deterioration of the properties of the base material. Anti cracking stickers used in asphalt pavement layers can effectively suppress the upward propagation of cracks, and play a role in crack resistance and energy absorption in practical engineering.

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• Asphalt pavement anti cracking sticker