Silica Fume in Shotcrete

Silica Fume in Shotcrete

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Silica fume for Shotcrete Silica fume is a widely used material in shotcrete, although it can not be considered as an admixture. It is a kind of material with very strong volcanic ash activity, which can not only improve the adhesion of the thick lining, but also obtain high early strength. In many construction, the use of silica fume can…
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Water Conservancy & Hydropower

Water Conservancy & Hydropower

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Because of the special properties of micro silica fume, it can be applied to water conservancy and Hydropower Engineering, and provide high wear resistance and corrosion resistance, and enhance water resistance of engineering. The cost of engineering is saved, and the service life of the project is extended to a great extent. For example, the Gezhouba Dam water control project…
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Microsilica for Bridge Engineering

Microsilica for Bridge Engineering

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The use of micro silica fume in bridge engineering can effectively improve the overall structural strength of the bridge, and solve the problems of corrosion resistance and folding resistance of the key parts. It also has high mobility, filling, clearance and resistance to segregation and so on, and provides good construction environment. The construction of the bridge is usually composed…
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Microsilica in High-speed Railway

Microsilica in High-speed Railway

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Silica fume concrete is a kind of developing composite material, which plays a key role in the construction of high speed railway. It can optimize the use of material for concrete engineering, improve economic efficiency, make the project durable and have little influence on the environment. The physical, mechanical and durability comparison of HPC (high performance concrete) shows that HPC…
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Microsilica for Pump Concrete

Microsilica for Pump Concrete

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1. Overview of pump concrete: The pump concrete refers that the slump of the concrete mixture is more than or equal to 100mm, and use pump construction team. In the construction site, this type of concrete is usually poured through the pressure pump and the conveying pipe. At present, more and more production enterprises of concrete pump truck, technology is…
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Effect of micro silica fume on the concrete strength

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Filling effect In the concrete mixing compound, in order to obtain liquidity requirements for the construction, often need to add some water (more than cement hydration water required to add water), these not only make the cement slurry is thinning, cementation weakened, and the excess residual moisture or water blisters formed in concrete, with concrete harden after evaporation leaving pores.…
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