disadvantages of silica fume in concrete

What are the main problems in the use of silica fume and what are the disadvantages? Silica fume needs to be paid attention to in actual use: it should not be used in the case of high wind speed, which is easy to cause dust. When using encrypted silica fume, the stirring time is extended by about 15 seconds [...]

By |October 22nd, 2018|Categories: Blog|0 Comments

silica fume advantages and disadvantages

Today, silica fume is widely used in the construction industry because its strengths and weaknesses are accepted. What are the advantages and disadvantages of silica fume? First, let's understand the advantages of silica fume. Silica fume particles have an average diameter of less than 1 micron. Silica fume is a grey superfine powder with a density of 2.2g/cm³.  Generally [...]

By |October 22nd, 2018|Categories: Blog|0 Comments

Typical shotcrete mix design

shotcrete mix design is divided into wet mix and gunite to dry mix.This article focuses on the target mix design of shotcrete. The bulk density of wet sprayed concrete can be 2200-2300 kg/m 3, The weight ratio of cement to sandstone is preferably 1. 0: 3. 5 to 1. 0: 4. 0, the water-cement ratio is preferably 0.42 to [...]

By |October 19th, 2018|Categories: Blog|0 Comments

silica fume price per ton

silica fume price per ton The price of silica fume is affected by many factors, production costs, production, transportation costs, all have impacts on price. Due to the widespread use of silica fume, the production of silica fume has increased in recent years. Especially in emerging developing countries, China's current silicon powder production is the highest in the world. Silica fume [...]

By |October 17th, 2018|Categories: Blog|0 Comments

Development of Self Compacting Concrete using Silica Fume.

As a kind of admixture with enhanced performance, silica fume has the advantages of small particle size, high activity, anti-corrosion, and anti-seepage, etc. It can be well applied in self-compacting concrete. It has a significant enhancement effect on the strength and flow and compactness of self-compacting concrete. Self-consolidating concrete has properties that differ considerably from conventional slump concrete. SCC [...]

By |October 11th, 2018|Categories: Blog|0 Comments

What is the proper concrete mix ratio?

What is the proper concrete mix ratio? Concrete has irreplaceable value in the field of contemporary architecture, such as high-rise buildings, bridges, underground tunnels, etc., which can be seen everywhere in life. It can be said that concrete symbolizes the development of the city. The concrete mixing ratio refers to the proportional relationship between various constituent materials in concrete. [...]

By |September 28th, 2018|Categories: Blog|0 Comments

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