Road surface paving plate with waterproof surface layer and permeable base layer, and production technology thereof
A permeable base layer and pavement board technology, which is applied in the direction of roads, roads, and pavement details, etc., can solve the problems of poor connection effect and difficulty in draining water from the permeable base layer, so as to improve fluidity, increase strength, and long-term use the effect of time
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[0086] Example 1: A pavement paving board with water-impermeable surface layer and water-permeable base layer, comprising a base layer and a surface layer, wherein the components included in the base layer and the surface layer and their corresponding parts by weight are shown in Table 1. The components included in the first admixture and the second admixture and their corresponding parts by weight are shown in Table 2 and Table 3, respectively, and the pavement paving slab is prepared by the following steps:
[0087] S1, the corresponding parts by weight of silane-modified polycarboxylic acid water reducer, slump retention agent, air-entraining agent, silicone defoamer, sodium thiosulfate, white sugar, dextrin, cellulose ether, sodium carbonate, water Mix with each other, then add the thickener and mix well to obtain the first admixture; mix the corresponding weight parts of polycarboxylic acid water reducer, citric acid, sodium gluconate, triethanolamine, cellulose ether, potass...
Example Embodiment
[0092] Example 2-5: A pavement paving board with impervious surface layer and water permeable base layer. The difference from Example 1 is that the components included in the base layer and the surface layer and their corresponding weight parts are shown in Table 1. , The components included in the first admixture and the second admixture and their corresponding parts by weight are shown in Table 2 and Table 3, respectively.
[0093] Table 1 The components included in the base layer and the surface layer in Examples 1-5 and their corresponding parts by weight
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[0095] Table 2 The components included in the first admixture in Examples 1-5 and their corresponding parts by weight
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[0097] Table 3 The components included in the second admixture in Examples 1-5 and their corresponding parts by weight
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Example Embodiment
[0099] Example 6: A pavement paving board with a water-impermeable surface layer and a water-permeable base layer. The difference from Example 1 is that the air-entraining agent is a saponin-based composite air-entraining agent.
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