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本课题立足于滨海开发区于家堡中建八局的钢管混凝土施工,结合天津塘沽的原材料,通过配合比优化,探讨了SCC C80高强自密实混凝土的配合比和施工工艺。研究结果表明,通过原材料和外加剂的选择、配合比的优化,能够制备出满足输送要求的C80高强自密实混凝土,本课题为天津地区的C80高强自密实混凝土施工奠定了扎实的基础。
The subject of this project is based on the CFST construction of the eighth construction bureau of Yujiapu in Binhai Development Zone. Combined with the raw materials of Tianjin Tanggu, the mix ratio and construction technology of SCC C80 high-strength self-compacting concrete are discussed through the optimization of mixture ratio. The results show that the C80 high-strength self-compacting concrete can meet the transportation requirements through the selection of raw materials and admixtures and the optimization of the mixing ratio. This project lays a solid foundation for the construction of C80 high-strength self-compacting concrete in Tianjin.