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A platform for research: civil engineering, architecture and urbanism
Preparation method of high-durability concrete
The invention discloses a preparation method of high-durability concrete, the concrete comprises the following components: cement, fly ash, fine aggregate, coarse aggregate, water, a superplasticizer, mineral powder and silica fume, the water-binder ratio is 0.25-0.29, and the mixing amount of slag is greater than 40%. The invention has the following beneficial effects: the problem of durability of common concrete in a severe environment is solved; the high-durability concrete is prepared through quality control and optimization of raw materials and optimization control of a construction process, reasonable addition of a high-quality mineral admixture or a composite admixture and adoption of an efficient (high-performance) water reducing agent, has good workability, meets various mechanical properties required by a structure and is excellent in durability; the high performance has many excellent characteristics of high durability, high workability, high strength, high volume stability and the like; and obvious benefits are generated in the aspects of engineering safety use period, economic rationality, environmental condition adaptability and the like.
本发明公开了一种高耐久性混凝土制备方法，该混凝土的组分包括水泥、粉煤灰、细骨料、粗骨料、水、高效减水剂、矿粉和硅灰，其中水胶比为0.25～0.29，矿渣掺量大于40％。本发明的有益效果：解决了普通混凝土在恶劣环境下耐久性的难题；高耐久性混凝土是通过对原材料的质量控制、优选及施工工艺的优化控制，合理掺加优质矿物掺合料或复合掺合料，采用高效(高性能)减水剂制成的具有良好工作性、满足结构所要求的各项力学性能、且耐久性优异的混凝土；高性能具有高耐久性、高工作性、高强度和高体积稳定性等许多优版良特性；在工程安全使用期、经济合理性、环境条件的适应性等方面产生了明显的效益。
Preparation method of high-durability concrete
The invention discloses a preparation method of high-durability concrete, the concrete comprises the following components: cement, fly ash, fine aggregate, coarse aggregate, water, a superplasticizer, mineral powder and silica fume, the water-binder ratio is 0.25-0.29, and the mixing amount of slag is greater than 40%. The invention has the following beneficial effects: the problem of durability of common concrete in a severe environment is solved; the high-durability concrete is prepared through quality control and optimization of raw materials and optimization control of a construction process, reasonable addition of a high-quality mineral admixture or a composite admixture and adoption of an efficient (high-performance) water reducing agent, has good workability, meets various mechanical properties required by a structure and is excellent in durability; the high performance has many excellent characteristics of high durability, high workability, high strength, high volume stability and the like; and obvious benefits are generated in the aspects of engineering safety use period, economic rationality, environmental condition adaptability and the like.
本发明公开了一种高耐久性混凝土制备方法，该混凝土的组分包括水泥、粉煤灰、细骨料、粗骨料、水、高效减水剂、矿粉和硅灰，其中水胶比为0.25～0.29，矿渣掺量大于40％。本发明的有益效果：解决了普通混凝土在恶劣环境下耐久性的难题；高耐久性混凝土是通过对原材料的质量控制、优选及施工工艺的优化控制，合理掺加优质矿物掺合料或复合掺合料，采用高效(高性能)减水剂制成的具有良好工作性、满足结构所要求的各项力学性能、且耐久性优异的混凝土；高性能具有高耐久性、高工作性、高强度和高体积稳定性等许多优版良特性；在工程安全使用期、经济合理性、环境条件的适应性等方面产生了明显的效益。
Preparation method of high-durability concrete
一种高耐久性混凝土制备方法
XIA ZHONGSHENG (author) / ZHANG YOU (author) / HU YANG (author) / ZUO QIANJUN (author) / YANG YIFAN (author)
2023-04-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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