Concrete used for pouring of spandrel girder
A technology of concrete and load-bearing beams, applied in the field of concrete, can solve the problems of reducing concrete strength, reducing strength, and high cement density, and achieve the effects of increasing pouring strength, simple configuration methods, and avoiding cracking
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Embodiment 1
[0060] Select 300 parts of cement clinker, 200 parts of industrial waste, 100 parts of fly ash, 200 parts of stone, 5 parts of steel fiber, 100 parts of mineral powder, 10 parts of sodium chloride, 20 parts of titanate, 5 parts of sodium sulfate, 20 parts of sodium borate, 13 parts of sodium nitrite, 100 parts of water, 10 parts of stainless steel powder, 10 parts of aluminum powder;
[0061] After the above components are uniformly mixed, the concrete of the present invention is obtained;
[0062] According to the strength test, the load-bearing beam casted by the concrete of the present invention has high structural strength and no obvious cracks on the surface; the load-bearing strength per unit area is higher than 15% of the strength of concrete in the prior art.
Embodiment 2
[0064]Select 200 parts of cement clinker, 250 parts of industrial waste residue, 200 parts of fly ash, 250 parts of stone, 25 parts of steel fiber, 150 parts of mineral powder, 20 parts of sodium chloride, 60 parts of titanate, 10 parts of sodium sulfate, 30 parts of sodium borate, 15 parts of sodium nitrite, 400 parts of water, 20 parts of stainless steel powder, 30 parts of aluminum powder;
[0065] After the above components are uniformly mixed, the concrete of the present invention is obtained;
[0066] According to the strength test, the load-bearing beam casted by the concrete of the present invention has high structural strength and no obvious cracks on the surface; the load-bearing strength per unit area is higher than 18% of the concrete strength in the prior art.
Embodiment 3
[0068] Select 300 parts of cement clinker, 200 parts of industrial waste residue, 100 parts of fly ash, 250 parts of stone, 5 parts of steel fiber, 150 parts of mineral powder, 10 parts of sodium chloride, 60 parts of titanate, 10 parts of sodium sulfate, 30 parts of sodium borate, 13 parts of sodium nitrite, 100 parts of water, 20 parts of stainless steel powder, 10 parts of aluminum powder;
[0069] After the above components are uniformly mixed, the concrete of the present invention is obtained;
[0070] According to the strength test, the load-bearing beam casted by the concrete of the present invention has high structural strength and no obvious cracks on the surface; the load-bearing strength per unit area is higher than 15% of the strength of concrete in the prior art.
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