Premixed concrete produced by tailings
A technology of ready-mixed concrete and concrete, which is applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve problems such as environmental pollution of waste tailings, achieve extended service life, improve carbonation resistance, reduce Effects on management and operating costs
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[0020] The present invention utilizes tailings to produce ready-mixed concrete is realized in this way, which will be described in detail below.
[0021] The present invention utilizes the tailings to produce ready-mixed concrete, and utilizes the waste tailings of mine beneficiation to produce tailings concrete below the strength grade C35. The waste tailings are used as a component of the ready-mixed concrete, and its raw material composition is: PS32. 5 Cement, Class III fly ash, river sand, crushed stone, tailings powder, water and tailings modifier; of which:
[0022] (1) The slump of C35 tailings concrete out of the mixer is 25cm, and the formula by weight is: PS32.5 cement 330-350kg, III-level fly ash 90-120kg, river sand 700-800kg, crushed stone 780-880kg, Tailings powder 180-300kg, water 170-180kg and tailings modifier 9.2-9.8kg;
[0023] (2) The slump of C30 tailings concrete out of the mixer is 25cm, and the formula by weight is: PS32.5 cement 290-310kg, Class III ...
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