Cement-stabilized anti-crack base newly-built pavement structure and construction method and application thereof
A technology for cement stabilization and pavement structure
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[0032] Example 1
[0033] A new pavement structure for cement stabilized anti-cracking base layer, which is applied to the arterial highway with heavy traffic. The project is a new construction, such as figure 1 Shown is the cross-sectional design drawing of the new plan pavement structure.
[0034] From top to bottom, the pavement structure includes an asphalt concrete upper layer, an asphalt concrete lower layer, a cement stabilized anti-crack base layer, and a cement stabilized base layer laid on the roadbed;
[0035] The cement stabilized anti-crack base layer is set above the cement stabilized base layer. The cement stabilized large-grain crushed stone base material is a crack-resistant cement stabilized crushed stone mixture. In order to meet the demand of traffic volume, the thickness of this layer is set to 20cm. The main components of the anti-cracking cement stabilized crushed stone mixture are cement, large-grain crushed stone and small size, which play the role of plate ...
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[0045] Example 2
[0046] The structure and construction method of Example 2 are the same as that of Example 1, except that:
[0047] The cement stabilized anti-crack base material is set above the cement stabilized base layer. The anti-crack cement stabilized gravel mixture is 15cm thick; the cement stabilized anti-crack base material is PC 32.5 with a dosage of 6.0%; the asphalt concrete top layer The designed gradation is AC-13 type gradation with a thickness of 6cm; the designed gradation of the lower layer of asphalt concrete is AC-25 type gradation with a thickness of 8cm; the cement stabilized subbase is an ordinary water-stable base with a thickness of 15cm.
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