Use of fly ash synthesized channel joint impervious material for preparing highway asphalt mixture
A technology of asphalt mixture and anti-seepage material, which is applied in the field of known materials, can solve the problems of dry and hard cracking durability of the road surface, hinder the health of operators, reduce the service life and other problems, achieve the improvement of fatigue life, good effect, and reduce Economic cost effect
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[0034] Example 1: Preparation of medium-grain AC-20 dense-graded modified asphalt mixture
[0035] Mineral material: all properties meet the requirements of "Technical Specification for Highway Asphalt Pavement Construction" (JTGF40-2004).
[0036] The AC-20 mineral material gradation is:
[0037] Mesh
[0038] Cementitious material: Fly ash synthetic channel joint anti-seepage material, which is a two-component, A:B (weight ratio) = 1:1, and the formula of the A and B component should meet the requirements of the patent ZL200310118992.X. Fly ash synthetic channel joint impermeable material in the cement: No. 70 road petroleum asphalt = 40%: 60%.
[0039] Whetstone ratio: 5.0%.
[0040] Preparation steps: Prepare road mixtures according to the preparation steps described in the content of the invention, and make Marshall specimens and splits in accordance with the T0702-2000 and T0703-1993 rules in the "Test Regulations for Highway Engineering Asphalt and Asphalt Mixture...
Example Embodiment
[0051] Example 2: Fine-grained SMA-13 asphalt horseshoe fat crushed stone mixture
[0052] Mineral material: all properties meet the requirements of "Technical Specification for Highway Asphalt Pavement Construction" (JTGF40-2004).
[0053] The grading of fine-grained SMA-13 mineral material is:
[0054] Mesh
[0055] Cementitious material: Fly ash synthetic channel joint anti-seepage material. It is a two-component A: B (weight ratio) = 1:2. The formula of the A-B component should meet the requirements of the patent ZL200310118992.X. Fly ash synthetic channel joint impermeable material in the cement: No. 70 road petroleum asphalt = 50%: 50%.
[0056] Whetstone ratio: 5.3%.
[0057]Preparation steps: Prepare road mixtures according to the preparation steps described in the content of the invention, and make Marshall specimens and splits in accordance with the T0702-2000 and T0703-1993 rules in the "Test Regulations for Highway Engineering Asphalt and Asphalt Mixtures...
Example Embodiment
[0068] Example 3: Dense-graded asphalt stabilized gravel mixture
[0069] Mineral material: all properties meet the requirements of "Technical Specification for Highway Asphalt Pavement Construction" (JTGF40-2004).
[0070] The grading of coarse-grained ATB-25 mineral material is:
[0071] .Sieve
[0072] Cementitious material: Fly ash synthetic channel joint anti-seepage material, which is a two-component A: B (weight ratio) = 1:3, where the formula of the A-B component should meet the requirements of the patent ZL200310118992.X. Fly ash synthetic channel joint impermeable material in the cement: No. 70 road petroleum asphalt = 60%: 40%.
[0073] Whetstone ratio: 4.9%.
[0074] Preparation steps: Prepare the asphalt mixture according to the preparation steps described in the content of the invention, and make Marshall specimens and splits according to the T0702-2000 and T0703-1993 rules in the "Testing Regulations for Highway Engineering Asphalt and Asphalt Mixtures" JT...
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