Method for producing concrete building block by using pipe pile wastewater slurry
A prefabricated component and concrete technology, which is applied in clay preparation devices, mixing operation control, chemical instruments and methods, etc., to achieve the effect of saving cement, obvious economic and social benefits, and protecting the ecological environment
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[0023] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention will be further explained below in conjunction with specific embodiments.
[0024] First, put 1 part of P.032.5 cement, 3 parts of medium sand, 7.5 parts of gravel with a particle size of 5-40 mm) into the concrete mixer for dry mixing for 40 seconds, and then add 4 parts of pipe pile waste cement slurry and 0.02 parts of pump while mixing The agent is delivered and then wet-mixed for 40 seconds to make a concrete mixture.
[0025] Put this mixture into a prefabricated component mold, and use a soft-shaft vibrating rod to vibrate by the "intensive vibrating method", that is, the distance between vibrating points is 1 time the radius of action of the vibrating rod; Fully vibrate while feeding to keep the concrete mixture in the mold rising horizontally without obvious bubbles escaping, and then maintain it according to the curing ...
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