A kind of preparation method of high-strength coral concrete

Abstract

The present invention disclosed a preparation method of high -strength coral concrete.According to the following weights: 25 ~ 63 parts of the tunnel materials, including 20 ~ 45 parts, 5 ~ 18 copies of mineral doping materials, 45 ~ 58 copies of coral aggregate, 10 ~ 16 copies of mixing water, and the weight is the weight is2 ~ 5%of the sum of the weight of the tunnel material.Put coral aggregate, seawater, water reducing agent and 55 ~ 85%glue material into the mixer, stir for 10-15 minutes, and then add the remaining glue materials to the mixer before the first condensation.Gaoqiang coral aggregate concrete.The coral concrete of the present invention has high -strength mechanical performance indicators, with high density, good anti -seepage and durability.It is conducive to the construction of military defense facilities and the further development and utilization of marine resources.

Description

technical field [0001] The invention belongs to the technical field of building engineering materials, in particular to a preparation method of high-strength coral concrete. Background technique [0002] With the infrastructure construction of oceanic islands and reefs and the construction of military protection projects becoming more and more perfect, some special island and reef engineering constructions have higher requirements for the mechanical properties of coral concrete. Without destroying the local ecological environment and maximizing the utilization of resources, the high-strength coral concrete prepared with coral debris as aggregate and seawater instead of fresh water has great practical significance in the construction of island reef infrastructure and military engineering. However, due to the characteristics of coral debris such as light porosity, many internal defects, low cylinder compressive strength, large specific surface area, and high water absorption r...

AI Technical Summary

Problems solved by technology

However, due to the characteristics of coral debris such as light and porous, many internal defects, low cylinder compressive strength, large specific surface area, and high water absorption rate, the coral concrete prepared by conventional methods generally has small elastic modulus, high porosity, and partial strength. Low-level disadvantages, even with rich slurry, lower water-binder ratio, and aggregate surface treatment, it is still difficult to solve the problems of low strength and high porosity, which greatly restricts the further development and application of coral concrete