Autoclaved aerated concrete

Development and study of false ceiling panels using pumice and steel square mesh-case of Ethiopia

“…Though it was expected the density to be between 600-750 kg/m3, since low density aggregate and sunflower edible oil is used as air entering agent admixture to produce voids in the panels for the reduction in density. From the physical observation, it was found that, these voids were not so closer as it is observed in the aerated concrete [39]. This factor affected to increase the density of panels then the expected once.…”

Combined Potential of Quarry Waste Fines and Eggshells for the Hydrothermal Synthesis of Tobermorite at Varying Cement Content

“…The Nevertheless, some standards of tobermorite-containing products like AAC do not require raw material specifications which allows innovation including the use of various silica-rich industrial by-products such as bottom ash, fly ash, blast furnace slag, copper tailing, etc. [48][49][50]. It was previously mentioned that the amount of SiO 2 in QWF is comparable to fly ash, and its mineral phase composition is similar to mine tailings [51][52][53][54][55].…”

“…Furthermore, the XRD result agrees with several published works that it is a normal characteristic for silica-rich industrial by-products such as bottom ash, fly ash, blast furnace slag, copper tailing, etc. [48][49][50]. It was previously mentioned that the amount of SiO2 in QWF is comparable to fly ash, and its mineral phase composition is similar to mine tailings [51][52][53][54][55].…”

Fire Resistance of Foamed Concrete for Discontinuous Partition Filling

“…Water, sand, cement, and foaming agents + aggregates [13] Lime, cement, sand, aluminum powder + energy stimulus [14] Sand, water, cement + mold [15] Sand, water, cement + mold [16] Manufacturing method; equipment Prefabrication or in situ; mortar mixer and foam generator [13] Prefabrication; high pressure autoclave [17] Prefabrication [15] Prefabrication or in situ [16] Compressive strength, MPa <51.18 [18] <12 [14] <40.5 [19] 20-50 [20] Density, kg/m 3  Grouting, thermal insulation: 300-600  Non-load bearing structures: 600-1200 Non-structural elements: 700 [14] Structural and nonstructural elements: 1700-2000 [21] Structural elements: 2400 [22] Lime, cement, sand, aluminum powder + energy stimulus [14] Sand, water, cement + mold [15] Sand, water, cement + mold [16] Manufacturing method; equipment Prefabrication or in situ; mortar mixer and foam generator [13] Prefabrication; high pressure autoclave [17] Prefabrication [15] Prefabrication or in situ [16] Compressive strength, MPa <51.18 [18] <12 [14] <40.5 [19] 20-50 [20] Density, kg/m 3…”

“…• Load-bearing structures: 1200-1600 [13] Non-structural elements: 700 [14] Structural and non-structural elements: 1700-2000 [21] Structural elements: 2400 [22] Shape and size of element Any shape [23] Any shape in a prepared mold [17] Different sizes in block forms [15] Any shape [16] Concrete compaction Not required [13] Not required [24] Required [15] Required [16] Thermal conductivity, W/mK 0.1-0.7 [25] 0.07-0.17 [24] <1.75 [26] 1.4-3.6 [20] Acoustic properties Enhanced [13] Enhanced [14] Good [27] Good [27] Ease of manufacturing and processing Enhanced; ease of drilling and cutting [23] Enhanced [17] Normal [15] Normal [16] Environmental impact Pollution-free; lower energy consumption [23] High energy consumption [14] Pollution-free [15] Pollution-free if well cured [28] The density of foam concrete, its stability, porosity, and fluidity depend on the content and structure of air voids (cells). There are a variety of foaming agents, including glue resins, detergents, resin soap, and saponins.…”