Novel anti-crack concrete
A new type of concrete technology, applied in the field of new anti-crack concrete, can solve the problems of low tensile strength, low flexural strength, affecting project quality, poor impact resistance, etc., and achieve the effect of low price, simple production process and low cost
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0020] The novel anti-crack concrete of the present embodiment is made of the following raw materials in parts by weight: 300 parts of cement, 100 parts of gravel, 50 parts of river sand, 10 parts of fly ash, 4 parts of sodium borate, 12 parts of phosphorus slag powder, 2 parts of sodium sulfite powder, 9 parts of silicon dioxide powder, 4 parts of polypropylene fiber and 500 parts of water, wherein the index number of the cement is 32.5, the particle diameter of the gravel is 3cm, the fineness of the river sand The modulus is 3.0-2.3, the particle size is 0.5-0.35 mm, the particle size of the fly ash is 30-50 μm, and the specific surface area of the phosphorus slag powder is ≥400 m 2 / kg, 28d activity index ≥ 70%, the silica powder is nano silica powder, and the polypropylene fiber is monofilament polypropylene.
Embodiment 2
[0022] The novel anti-crack concrete of the present embodiment is made from the following raw materials in parts by weight: 400 parts of cement, 75 parts of gravel, 75 parts of river sand, 6 parts of fly ash, 7 parts of sodium borate, 8 parts of phosphorus slag powder, 5 parts of sodium sulfite powder, 5 parts of silicon dioxide powder, 7 parts of polypropylene fiber and 400 parts of water, wherein the index number of the cement is 32.5, the particle size of the crushed stone is 5-25 cm, and the The fineness modulus is 3.0-2.3, the particle size is 0.5-0.35 mm, the particle size of the fly ash is 30-50 μm, and the specific surface area of the phosphorus slag powder is ≥400 m 2 / kg, 28d activity index ≥ 70%, the silica powder is nano silica powder, and the polypropylene fiber is monofilament polypropylene.
Embodiment 3
[0024] The novel anti-crack concrete of the present embodiment is made of the following raw materials in parts by weight: 500 parts of cement, 50 parts of gravel, 100 parts of river sand, 2 parts of fly ash, 10 parts of sodium borate, 4 parts of phosphorus slag powder, 8 parts of sodium sulfite powder, 1 part of silicon dioxide powder, 10 parts of polypropylene fiber and 300 parts of water, wherein the index number of the cement is 42.5, the particle size of the crushed stone is 5-25 cm, and the The fineness modulus is 3.0-2.3, the particle size is 0.5-0.35 mm, the particle size of the fly ash is 30-50 μm, and the specific surface area of the phosphorus slag powder is ≥400 m 2 / kg, 28d activity index ≥ 70%, the silica powder is nano silica powder, and the polypropylene fiber is monofilament polypropylene.
PUM
| Property | Measurement | Unit |
|---|---|---|
| particle diameter | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More