Formula and production process for subway segment concrete
A subway segment and production process technology, which is applied in the field of building materials, can solve the problems of many mold release pores, forming pipeline mucous membrane, and reducing the quality of subway segment production, etc.
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[0096] In the embodiment of the present invention, a formula for subway segment concrete includes the following components and their corresponding parts by weight: 155 parts of water, 382 parts of cement, 68 parts of fly ash, 645 parts of yellow sand, and 1196 parts of bluestone Parts, 4.2 parts of water reducing agent, among them, cement is P042.5 specification cement, fly ash is grade Ⅱ fly ash, bluestone is composed of bluestone 1 and bluestone 2 and the proportion of bluestone 1 and bluestone 2 is 3:7, Bluestone 1 is limestone with a gradation of 5-10mm, and bluestone 2 is limestone with a gradation of 10-25mm. The water reducing agent is Sika water reducing agent.
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