Etringite-based energy storage foam light soil as well as preparation method and application thereof

Abstract

The invention relates to ettringite-based energy storage foam light soil as well as a preparation method and application thereof. The raw materials comprise a cementing material, water and a foam group, the cementing material is a material capable of generating ettringite after hydration, the mass ratio of the water to the cementing material is 0.5-0.7, the foaming ratio of the foam group is 800-1000, the standard foam density is 45-55 kg / m < 3 >, and the volume of foam contained in the foam light soil is 50-80%. The foam light soil can be used as an energy storage material and can also be used as a structural layer bearing material. The self-shrinkage of cement paste is compensated, the early strength of cement is enhanced, the durability of concrete is improved, and the application requirements can be well met. And as an energy storage material, the purposes of melting ice and snow, enabling the road surface to be like spring in four seasons and ensuring the traffic driving safety are achieved.

Description

technical field [0001] The invention belongs to the technical field of building material preparation, and particularly relates to an ettringite-based energy storage foam lightweight soil and a preparation method and application thereof. Background technique [0002] The information disclosed in this Background section is only for enhancement of understanding of the general background of the invention and should not necessarily be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art. [0003] In the severe cold area in winter, when the ambient temperature is lower than 0℃, the phenomenon of snow and ice on the road area will appear, which not only seriously affects the normal traffic order, but also is prone to traffic safety accidents, resulting in national economic losses. For the traditional method of melting ice and snow on pavement, it may lead to different degrees of perman...

AI Technical Summary

Problems solved by technology

[0003] In severe winter areas, when the ambient temperature is lower than 0°C, the snow on the road will freeze, which not only seriously affects the normal traffic order, but also is prone to traffic safety accidents, causing national economic losses.

For the traditional method of melting ice and snow on the road surface, it may cause permanent damage to the road surface to varying degrees, cause serious damage to the internal structure and durability of the road surface, and cause steel corrosion on the bridge deck, low efficiency, high energy consumption, and carbon emissions. Disadvantages such as not meeting the current background of carbon peaking and carbon neutrality

It is precisely because of the many shortcomings of the traditional method of melting ice and snow on road surfaces that self-melting snow pavement technology is now valued by more and more countries, and has become a hot issue in road research.

The self-melting snow technology is to melt ice and snow through the special function of the road surface. This kind of technology that has been applied to the road surface has a more thorough effect of melting ice and snow. relatively few applications

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