Polyether type polyurethane grouting material and treatment method for asphalt pavement pumping damage
A grouting material and polyurethane technology are applied in the field of treatment of polyether polyurethane grouting materials and asphalt pavement pumping diseases, achieving the effects of low disease recurrence rate, avoiding waste of excavation resources and complete treatment effect.
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Embodiment 1
[0057] The weight proportion of each raw material of B component among the present invention is shown in the table below:
[0058]
[0059] The test results are shown in the table below:
[0060]
Embodiment 2
[0062] The polyether type polyurethane grouting material of the present invention is formed by mixing component A and component B in Example 1, and the weight ratio of each raw material is shown in the following table:
[0063]
Embodiment 3
[0068] 【Instructions for Raw Materials and Testing】
[0069] The grouting material prepared in Example 2 was used as the two-component polyether polyurethane grouting material.
[0070] Detect the high-performance cold patch material and measure the stability and other indicators, as shown in the table below;
[0071] serial number Test items unit skills requirement Detection Indicator experiment method 1 Adhesion grade - 5 5 JT / T 972-2015 2 Penetration Strength at 25℃ kg / cm 2
0.5~4 3.5 - 3 stability kN ≥3 16.1 JT / T 972-2015 4 residual stability % ≥85 85.5 JT / T 972-2015
[0072] Detect the anti-slip and seal water pavement stickers, and measure the anti-slip performance and other indicators, as shown in the table below;
[0073] serial number Test items unit Test results experiment method 1 thickness mm 3-4 - 2 tensile strength kN ≥100 - 3 Wet wheel wear (immer...
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