12-10
1. Concrete accelerator is a kind of surface active material, added to concrete, cement particles play a diffusion effect, the cement condensate free water released, so as to keep the concrete performa…
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12-10
1. Raw materials: Quality shall meet JC476-1998 standards, cement shall be qualified and unexpired Grade 32.5 (original 425) or above, coarse aggregate particle size shall meet concrete specification r…
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12-10
Shoting-anchor excavation method refers to the construction method of tunnel construction by excavation of underground tunnel. It is a traditional construction method. The tunnel lining of shotanchor e…
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12-08
Water reducing agentOne of the concrete admixtures, also known as plasticizer, is to maintain a certain workability condition of concrete mix, can reduce water consumption, improve strength, or in the …
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12-08
The main function of water reducing agent is to improve the workability of concrete; Workability means that the newly mixed cement concrete is easy to operate in each process (mixing, transportation, p…
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12-03
Inorganic reinforcement material is composed of A and B components of inorganic products, after A and B two components of the mixture can react quickly to produce high strength polymerization. Used for…
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The use of concrete accelerator
2022-12-101. Concrete accelerator is a kind of surface active material, added to concrete, cement particles play a diffusion effect…What should we pay attention to when constructing powder accelerator?
2022-12-101. Raw materials: Quality shall meet JC476-1998 standards, cement shall be qualified and unexpired Grade 32.5 (original 4…What are the commonly used support and reinforcement technical measures outside the dug tunnel
2022-12-10Shoting-anchor excavation method refers to the construction method of tunnel construction by excavation of underground tu…
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