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 strengthening loose coal and sealing water inlet. Its adhesive force and mechanical properties are very good, easy to produce a high degree of adhesion with loose coal body, can effectively strengthen and seal the treatment area, improve the integrity of loose coal body and mechanical properties.
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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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