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Jiagedaqi China Railway No.2 Bureau Project Department

Release time：2025-11-20 15:20

Product used: Ultrafine cement (small bags, 800 mesh)

Application scenario: Sealing and reinforcement project for railway tunnels in mountainous areas

Project Challenges: The construction environment is damp and cold, transportation is inconvenient, and using conventional large packaging poses difficulties.

Solution: Provide portable, small-bag packs of ultra-fine cement for easy batch-by-batch use.

Engineering Results: Ensured smooth construction in mountainous areas and significantly enhanced the stability of tunnel structures.

China National Petroleum Corporation Bohai Drilling Engineering Co., Ltd.

None

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China National Petroleum Corporation Bohai Drilling Engineering Co., Ltd.

Improve cementing quality and sealing performance, and reduce secondary operations.

Jiagedaqi China Railway No.2 Bureau Project Department

Ensure the smooth progress of construction in mountainous areas and significantly enhance the stability of tunnel structures.

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Jiagedaqi China Railway No.2 Bureau Project Department

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