Environment-friendly pervious concrete and preparation method thereof
A permeable concrete and environmental protection technology, applied in the field of building materials, can solve the problems of rubber powder easily blocking the pores and channels of permeable concrete, unfavorable promotion, etc., to achieve good fatigue resistance and water permeability, convenient operation and control, and improve various performances. Effect
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Embodiment 1
[0030] Embodiment 1 provides a kind of environment-friendly permeable concrete, is characterized in that, comprises the following components by weight: 20 parts of cement, 0.5 part of aluminum oxide nanotube, N-(trimethoxysilylpropyl) ethylenediaminetriacetic acid 2 parts of ammonium salt modified nano-aluminum powder, 60 parts of coarse aggregate, 0.5 part of nanoporous hollow cage titanium oxide, 1 part of porous polysaccharide microsphere, 0.1 part of sodium sulfonate-based hyperbranched poly(amine-ester), water 20 parts; Described cement is ordinary portland cement.
[0031] The preparation method of the N-(trimethoxysilylpropyl) ammonium ethylenediamine triacetate modified nano-aluminum powder comprises the following steps: dispersing the nano-aluminum powder in an organic solvent, and then adding N-( Trimethoxysilylpropyl) ethylenediaminetriacetic acid sodium salt, stirred and reacted at 60°C for 3-5 hours, then added ammonium chloride to it, continued to stir and reacte...
Embodiment 2
[0037] Embodiment 2 provides a kind of environment-friendly permeable concrete, is characterized in that, comprises the following components by weight: 23 parts of cement, 0.8 part of aluminum oxide nanotubes, N-(trimethoxysilylpropyl) ethylenediaminetriacetic acid 3 parts of ammonium salt modified nano-aluminum powder, 63 parts of coarse aggregate, 0.8 part of nanoporous hollow cage titanium oxide, 1.3 parts of porous polysaccharide microspheres, 0.2 part of sodium sulfonate-based hyperbranched poly(amine-ester), water 23 parts; The cement is slag portland cement.
[0038] The preparation method of the N-(trimethoxysilylpropyl) ammonium ethylenediamine triacetate modified nano-aluminum powder comprises the following steps: dispersing the nano-aluminum powder in an organic solvent, and then adding N-( Trimethoxysilylpropyl) ethylenediaminetriacetic acid sodium salt, stirred and reacted at 65°C for 3.5 hours, then added ammonium chloride therein, continued to stir and reacted f...
Embodiment 3
[0043] Embodiment 3 provides a kind of environment-friendly permeable concrete, is characterized in that, comprises the following components by weight: 25 parts of cement, 1 part of aluminum oxide nanotube, N-(trimethoxysilylpropyl) ethylenediaminetriacetic acid 3.5 parts of ammonium salt modified nano-aluminum powder, 65 parts of coarse aggregate, 1 part of nanoporous hollow cage titanium oxide, 1.5 parts of porous polysaccharide microspheres, 0.25 parts of sodium sulfonate-based hyperbranched poly(amine-ester), water 25 parts; Described cement is pozzolan Portland cement.
[0044] The preparation method of the N-(trimethoxysilylpropyl) ammonium ethylenediamine triacetate modified nano-aluminum powder comprises the following steps: dispersing the nano-aluminum powder in an organic solvent, and then adding N-( Trimethoxysilylpropyl) ethylenediaminetriacetic acid sodium salt, stirred and reacted at 70°C for 4 hours, then added ammonium chloride therein, continued to stir and re...
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