Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Formula of sulfate-corrosion-resisting concrete curb and production method of curb
The invention discloses a formula of sulfate-corrosion-resisting concrete curb and a production method of the curb. In raw materials, the content of sand is 650 to 710 kg/m<3>, and the content of stone is 1200 to 1250 kg/m<3>; a cementing material is P.042.5 ordinary silicate cement, the content of the cementing material is 350 to 400 kg/m<3>, the weight ratio of water to adhesive is 0.35 to 0.40; the doping amount of a water reducing agent is 0.25 to 0.30 percent of the gel material, and the consumption of an air entraining agent is 0.008 to 0.010 percent of the gel material; the surface of the curb is coated with an organic film-forming coating. By optimizing the raw material proportion, doping appropriate air entraining agent and taking surface treatment, the product has characteristics of high strength, high sulfate corrosion resistance and the like. The pressure resistance strength in 28 days is more than or equal to 35MPa, and the sulfate-resistant grade is more than or equal to KS180. The risk that the road concrete curb in a salty land area is corroded by the sulfate can be greatly reduced, the service life of the concrete curb is greatly prolonged, and the economic benefit is good. The production process is easy to operate, parameters in the production process can be optimized, convenience in production can be realized, and scientific achievements are likely to convert and industrialize.
Formula of sulfate-corrosion-resisting concrete curb and production method of curb
The invention discloses a formula of sulfate-corrosion-resisting concrete curb and a production method of the curb. In raw materials, the content of sand is 650 to 710 kg/m<3>, and the content of stone is 1200 to 1250 kg/m<3>; a cementing material is P.042.5 ordinary silicate cement, the content of the cementing material is 350 to 400 kg/m<3>, the weight ratio of water to adhesive is 0.35 to 0.40; the doping amount of a water reducing agent is 0.25 to 0.30 percent of the gel material, and the consumption of an air entraining agent is 0.008 to 0.010 percent of the gel material; the surface of the curb is coated with an organic film-forming coating. By optimizing the raw material proportion, doping appropriate air entraining agent and taking surface treatment, the product has characteristics of high strength, high sulfate corrosion resistance and the like. The pressure resistance strength in 28 days is more than or equal to 35MPa, and the sulfate-resistant grade is more than or equal to KS180. The risk that the road concrete curb in a salty land area is corroded by the sulfate can be greatly reduced, the service life of the concrete curb is greatly prolonged, and the economic benefit is good. The production process is easy to operate, parameters in the production process can be optimized, convenience in production can be realized, and scientific achievements are likely to convert and industrialize.
Formula of sulfate-corrosion-resisting concrete curb and production method of curb
LI GUO (Autor:in) / DU JIANMIN (Autor:in) / WU XIAOSUO (Autor:in) / YANG BOYUAN (Autor:in)
23.09.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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