Process for adopting fair-faced concrete pouring during building construction
A technology of fair-faced concrete and building construction, which is applied in the processing of building materials, construction, building construction, etc. It can solve problems such as hollowing, easy cracking of fair-faced concrete, and affect later use, and achieve the effect of long service life
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[0017] The process of using fair-faced concrete pouring in building construction includes the following steps:
[0018] (1) Concrete mixing: Concrete mixing should be strictly measured according to the mix ratio, and the concrete strength grade is C30; P.o42.5 composite Portland cement is used, river sand is selected, and the gravel is 16-31.5mm gravel, and the weight ratio is : Water: cement: river sand: gravel: admixture = 0.457: 1.000: 2.498: 3.747: 0.060, the admixture is FS-A waterproofing agent, the water-cement ratio is: 0.457: 1, the amount of water per cubic concrete is 143kg, cement The dosage is 313kg, the dosage of river sand is 782kg, the dosage of stone is 1172kg, and the dosage of admixture is 18.8kg;
[0019] (2) Concrete transportation: pumping is used, and the concrete pump should be placed on a solid ground. When taking over the pipe, the joint must be installed firmly and stably, and the joint must be sealed with a gasket; pumping concrete must ensure that ...
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