軽量コンクリート添加剤 | 気泡コンクリート用高性能発泡剤
エアロゲル is a light porous, 超断熱性を有する非晶質固体材料。室温で。, 熱伝導率は 0.013w/ まで低くなります。(m・K), 比表面積は 1000 m2/g, the density is 0.003 g/cm3, and it also has high hydrophobicity and good sound absorption and shock absorption function . したがって, aerogels are mixed with foam.It is expected that the foamed concrete with low density and low thermal conductivity can be prepared under low porosity.
Current large wall-building materials will be characterised by having either low thermal conductivities and therefore low bulk densities and low compression strength or high compressions strength, high bulk densities and high thermal conductivities. It’s according that the primary results of a probe project area unit bestowed, during which a replacement aerogel-based construction material is developed that exhibits additional normal heat-insulating and load-carrying properties. By embedding oxide aerogel granules in an exceedingly high strength cement matrix “High Performance Aerogel Concrete” is developed, which mixes the advantages of standard concrete (圧縮強度, unlimited moldability) with the properties of a heat insulant. So far, numerous mixtures were examined in terms of their compressive strength and thermal conduction. The first results are very promising with compressive strength between 3.0 MPaと 23.6 MPa and thermal conductivities between 0.16 付き(mK) そして 0.37 付き(mK).
Lightweight concrete will be ready by exchange the conventional mixture of concrete, either part or completely, with light-weight materials. during this work, by incorporating oxide aerogel particles into concrete matrix, we’ve with success ready a light-weight and thermal insulating concrete material, aerogel-incorporated concrete (AIC) ,with a density of 1.0 g/cm3, a thermal conduction of 0.26 W/mK, and a compressive strength of 8.3 MPa at associate degree aerogel content of sixty vol.%. さらに, the density, thermal conduction, and also the mechanical properties of AIC will be controlled by varied the aerogel content. Scanning microscopy observations reveal that the aerogel particles area unit stable throughout the association of building material materials, suggesting prospects of mixing aerogel and concrete materials for construction applications.
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