C100 high-performance concrete and formulation method thereof

Abstract

A C100 high-performance concrete, which is formed by mixing and gelling cementitious materials, sand, stone, water and admixtures. The cementitious materials include cement and admixtures. The amount of cementitious materials added per cubic meter of concrete 500-600kg, of which the cement is 42.5; the admixture has three components of silica fume, fly ash and slag powder, and contains active SiO2 in an amount of 20%-40% of the total weight of the cementitious material, and its specific surface area 1000-1200m2 / kg; the admixture is polycarboxylate high-efficiency water reducer with a dosage of 2% to 5% of the total weight of the cementitious material; the activator is soot and coal with a dosage of 1 to 5% of the total weight of the cementitious material A mixture of gangue fine powder. No special raw materials such as high-grade cement are needed, the production process is simple, and the manufacturing cost is low. While greatly improving the strength of concrete, it also improves the workability and durability of concrete.

Description

technical field [0001] The invention relates to a building concrete material and a preparation method thereof. Background technique [0002] With the development of urban construction and the progress of construction technology, higher requirements are put forward for concrete quality indicators and economic indicators, and the development of concrete is promoted towards high performance such as high strength, light weight, fluidity, and durability. [0003] Especially in the past ten years, due to the development of high-efficiency admixtures and concrete admixture technology, favorable technical conditions have been provided for the preparation of high-strength and high-performance concrete under common process conditions. In the design of some large-scale structures, railway engineering and municipal engineering, more concrete with grades of C50 and C60 appeared. C100 high-performance concrete has also been a hot spot in the research of concrete materials at home and abro...

AI Technical Summary

Problems solved by technology

[0014] The purpose of the present invention is to provide a kind of C100 high-performance concrete and preparation method thereof, solve the problems that existing C100 high-performance concrete preparation needs special raw materials such as high-grade cement, complex production process, and high manufacturing cost; The technical problem of improving the workability and durability of concrete while increasing the strength