Preparation of slag polypropylene fiber concrete
A polypropylene fiber and concrete technology, which is applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of concrete compressive strength decline, undiscovered, difficult to meet design requirements and engineering applications, etc. To achieve the effect of improving the impermeability
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specific Embodiment 1
[0066] (1) cleaning middle sand, stone and drying, take by weighing 698 kilograms of middle sand, 1126 kilograms of stones, make middle sand and stone be in dry state;
[0067] (2) the polycarboxylate superplasticizer of 1211ml is weighed and stirred with 151 kilograms of water weighed;
[0068] (3) 1.820 kilograms of polypropylene fibers accounting for 0.2% of the concrete volume are weighed for use;
[0069] (4) 224 kilograms of cement and 120 kilograms of slag are weighed for use.
[0070] (5) Turn on the mixer, put the weighed sand, gravel, and polypropylene fiber into the concrete mixing bin, start the concrete mixer and stir for 1 minute; add cement and slag and stir for 1 minute; add polycarboxylate superplasticizer of water, continue to stir for 3 minutes; wrap the mouth of the mixer with plastic film and stop for 2 minutes, and then stir for 5 minutes. This results in a relatively homogeneous concrete mix.
[0071] The performance test methods of the slag polypropy...
specific Embodiment 2
[0087] 1. Clean the medium sand and pebbles and dry them, weigh 698 kg of medium sand and 1126 kg of pebbles to keep the medium sand and pebbles in a dry state;
[0088] 2. Weigh 3973ml polycarboxylate superplasticizer with 151kg water and stir evenly;
[0089] 3. Weigh 3.640 kilograms of polypropylene fibers accounting for 0.4% of the concrete volume for use;
[0090] 4. Weigh 155 kg of cement and 189 kg of slag for use.
[0091] 5. Turn on the mixer, put the weighed sand, gravel and polypropylene fiber into the concrete mixing bin, start the concrete mixer and stir for 1 minute; add cement and slag and stir for 1 minute; add water mixed with polycarboxylate superplasticizer Stir for 3 minutes; wrap the mouth of the mixer with plastic film and stop for 2 minutes, then stir for 5 minutes. This results in a relatively homogeneous concrete mix.
[0092] The performance test method of the slag polypropylene fiber concrete prepared by the present embodiment is the same as embod...
Embodiment 3
[0099] 1. Clean the medium sand and pebbles and dry them, weigh 698 kg of medium sand and 1126 kg of pebbles to keep the medium sand and pebbles in a dry state;
[0100] 2. Weigh 3054ml polycarboxylate superplasticizer with 151kg water and stir evenly;
[0101] 3. Weigh 5.460 kilograms of polypropylene fibers accounting for 0.6% of the concrete volume for use;
[0102] 4. Weigh 189 kg of cement and 155 kg of slag for use.
[0103] 5. Turn on the mixer, put the weighed sand, gravel and polypropylene fiber into the concrete mixing bin, start the concrete mixer and stir for 1 minute; add cement and slag and stir for 1 minute; add water mixed with polycarboxylate superplasticizer Stir for 3 minutes; wrap the mouth of the mixer with plastic film and stop for 2 minutes, then stir for 5 minutes. This results in a relatively homogeneous concrete mix.
[0104] The performance test method of the slag polypropylene fiber concrete prepared by the present embodiment is the same as embod...
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