Pipe pile cement and preparation method thereof

Abstract

The invention discloses pipe pile cement and a preparation method thereof. The pipe pile cement is prepared from the following raw materials in percentage by weight: 4 to 7 percent of dihydrate gypsum, 4 to 10 percent of limestone, 4 to 16 percent of ore powder, 0.05 to 0.1 percent of liquid grinding aids and the balance of portland Portland cement clinker. The prepared pipe pile cement has the advantages that the raw materials can be easily obtained; the cost is low; the preparation method is simple; the raw materials are ground; , so that the cement particle distribution range is expanded; the percentage of the portland Portland cement clinker particles being smaller than 3 micrometers is controlled; the excessivelytoo fast hydration of the cement is avoided; the hydration heat is reduced; the goal of reducing the water demand of the cement water demand quantity is achieved; the generation of fine cracks and cracks can be prevented; meanwhile, the percentage of ore powder particles being smaller than 3 micrometers is improved; , so that the effect of filling a concrete structure is achieved; the goal of enhancing the concrete intensity is achieved; the crack in the pipe pile production process is prevented; the concrete performance is improved; the cement production cost is reduced; good economic benefits are realized.

Description

technical field [0001] The invention relates to a building material, in particular to a pipe pile cement and a preparation method thereof. Background technique [0002] Cement is a powdery hydraulic inorganic gelling material. After adding water and stirring, it becomes a slurry, which can be hardened in the air or better hardened in water, and can firmly bind sand, stone and other materials together. In the early years the mixture of lime and volcanic ash is very similar to lime pozzolanic cement, use it to glue concrete which made of crushed stone. After hardening, the cement not only has high strength, but also can resist the erosion of fresh water or salt water. For a long time, as an important cementing material, it is widely used in civil engineering, water conservancy, national defense and other projects. [0003] When the existing cement is used in the production of pipe piles, visible cracks and invisible micro-cracks are prone to appear during steam curing. Too ...

AI Technical Summary

Problems solved by technology

[0003] When the existing cement is used in the production of pipe piles, visible cracks and invisible micro-cracks are prone to appear during steam curing. Too much, too fast hydration, high temperature, concrete shrinkage, cracks, affecting the quality of pipe piles