Modification preparation method of bamboo aggregate and application thereof

Abstract

The invention discloses a modification preparation method of bamboo aggregate and an application thereof, moso bamboos are used as main raw materials, the moso bamboos are cut into bamboo particles, after vibration screening, the bamboo particles are prepared into the bamboo aggregate which can be applied to the field of buildings through treatment methods such as water boiling, water washing, soaking in a sodium alginate solution, soaking in a calcium chloride solution, drying and the like. The compressive strength of a concrete finished product prepared from the bamboo aggregate treated by the modification method is 10-20 times that of a bamboo particle concrete finished product prepared from untreated bamboo particles, and the concrete finished product has better anti-freezing and corrosion-resistant performance than the untreated bamboo particles; compared with common concrete, the bamboo aggregate has high porosity, can achieve good sound absorption and heat preservation effects, is 30-40% lighter than the common concrete due to the existence of the bamboo aggregate, is convenient to transport and assemble, and has high practical value.

Description

technical field [0001] The invention relates to the technical field of building material chemistry, in particular to a modified preparation method of bamboo aggregate and its application. Background technique [0002] With the continuous development of social economy, my country's energy demand continues to increase, and the energy consumption in the construction field continues to increase. Concrete is one of the essential materials in modern building materials. Traditional concrete is made by mixing different proportions of cement, sand, stones, water and a small amount of additives according to different requirements for concrete hardness and strength. Concrete is characterized by strong compression resistance, but its brittleness, self-heavy weight, weak tensile and flexural resistance, and poor sound absorption, heat insulation, and thermal insulation properties cannot meet the requirements of existing functional occasions for concrete. [0003] In order to meet the ne...

AI Technical Summary

Problems solved by technology

These lyes will dissolve the hemicellulose and lignin in the bamboo particles, thereby weakening the connection between the fiber bundles, resulting in a decrease in the strength and toughness of the bamboo particles themselves, and gradually losing their ideal reinforcement in concrete.

In addition, there will be a large amount of water-soluble nutrients inside the bamboo, and the bamboo cells are in an environment full of free water and aerobic, which is easy for insects to multiply and cause loss of functionality, which is not conducive to the long-term use of bamboo in construction