Full-light high-strength concrete for fabricated prefabricated part and preparation method thereof
A high-strength concrete, prefabricated technology, applied in the field of building materials, can solve the problems of large shrinkage and creep, strong water absorption, low strength, etc., and achieve the effects of reducing bulk density, improving crack resistance, and high strength
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example 1
[0027] An all-light high-strength concrete for prefabricated components, weighed according to the following parts by weight: 45 parts of cement, 55 parts of ceramsite, 38 parts of pottery sand, 15.5 parts of fly ash, 9 parts of steel fiber, and 22 parts of high-performance fiber , 1.0 parts of water reducing agent.
[0028] The ceramsite is continuously graded clay ceramsite with a particle size of 5-25mm, the cylinder compressive strength of the ceramsite is greater than 3.5MPa, and the bulk density is 550-800 kg / m 3 .
[0029] The pottery sand is continuously graded clay pottery sand whose particle size is less than 5 mm, the cylinder compressive strength of the pottery sand is greater than 5.0 MPa, and the bulk density is 800-900 kg / m 3 .
[0030] The high-performance fibers are basalt fibers or polypropylene fibers.
[0031] The described water reducer adopts polycarboxylate high-efficiency water reducer.
[0032] The preparation method of all-light high-strength concr...
example 2
[0040] An all-light high-strength concrete for prefabricated components, weighed according to the following parts by weight: 50 parts of cement, 50 parts of ceramsite, 45 parts of pottery sand, 16 parts of fly ash, 20 parts of steel fiber, and 30 parts of high-performance fiber , 1.2 parts of water reducing agent.
[0041] The ceramsite is continuously graded clay ceramsite with a particle size of 5-25mm, the cylinder compressive strength of the ceramsite is greater than 3.5MPa, and the bulk density is 550-800 kg / m 3 .
[0042] The pottery sand is continuously graded clay pottery sand whose particle size is less than 5 mm, the cylinder compressive strength of the pottery sand is greater than 5.0 MPa, and the bulk density is 800-900 kg / m 3 .
[0043] The high-performance fibers are basalt fibers or polypropylene fibers.
[0044] The described water reducer adopts polycarboxylate high-efficiency water reducer.
[0045] The preparation method of all-light high-strength concre...
example 3
[0053] An all-light high-strength concrete for prefabricated components, weighed according to the following parts by weight: 55 parts of cement, 55 parts of ceramsite, 55 parts of pottery sand, 17.5 parts of fly ash, 35 parts of steel fiber, and 44 parts of high-performance fiber , 1.5 parts of water reducing agent.
[0054] The ceramsite is continuously graded clay ceramsite with a particle size of 5-25mm, the cylinder compressive strength of the ceramsite is greater than 3.5MPa, and the bulk density is 550-800 kg / m 3 .
[0055] The pottery sand is continuously graded clay pottery sand whose particle size is less than 5 mm, the cylinder compressive strength of the pottery sand is greater than 5.0 MPa, and the bulk density is 800-900 kg / m 3 .
[0056] The high-performance fibers are basalt fibers or polypropylene fibers.
[0057] The described water reducer adopts polycarboxylate high-efficiency water reducer.
[0058] The preparation method of all-light high-strength concre...
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