The main properties of gas — and foam concrete

Today, there are many different types of concrete that differ in their properties and composition. It is simply impossible to talk about everyone, therefore, this article will consider those types of concrete that are used for construction purposes. The main properties of concrete can be called only three types: thermal conductivity, strength and durability. It is worth noting that durability and strength are those properties that are combined with each other. Indeed, with increasing strength, it is possible to simultaneously improve the durability of the producing material. But with thermal conductivity, everything is completely different. After all, strength and thermal conductivity are constantly contrary to each other. With a decrease in thermal conductivity, the strength of the material will also decrease, and this is completely not desirable. In order for building materials from concrete to have reduced thermal conductivity, it is necessary to increase the porosity of the material. This process can be implemented in two ways: the use of a filler for a concrete mixture of porous materials: slag, expanded clay, pumice and tuff or use materials that have low thermal conductivity for the same purpose: straw, wood sawdust, and also use air that will be used Enter the cement mixture. As a result of the first method, you can get light concrete — slag concrete, pums concrete, saw -up concrete or the most common expanded clay concrete.