A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention relates to autoclaved light sand aerated concrete blocks. The autoclaved light sand aerated concrete blocks are prepared from water and a main material at a ratio of 0.6 to 0.8; the main material is prepared from, by weight, 64 to 78% of saw mud, 3 to 6% of desulfurized gypsum, 10 to 18% of quick lime, 8 to 14% of cement, and 0.4 to 0.7% of aluminium powder. A preparation method comprises following steps: quick lime and desulfurized gypsum are smashed, and are subjected to ball milling; saw mud is grinded; steel bar is subjected to treatment; an obtained material slurry, a cementing agent, and cement are stirred at a certain ratio; after pouring, moulds are delivered to a standing area for aeration and prehardening; an obtained product is subjecting to cutting; obtained green bodies are delivered into a still kettle for maintenance, and are subjected to separation, packaging, and conveying; and generated wastewater and waste materials are recycled. Beneficial effects of the autoclaved light sand aerated concrete blocks are that: thermal insulation properties are excellent; permeability resistance is excellent; shrinkage value is lower; the autoclaved light sand aerated concrete blocks are green and friendly to the environment, are safer, are excellent in sound insulation effect and machinability, and are economical.
The invention relates to autoclaved light sand aerated concrete blocks. The autoclaved light sand aerated concrete blocks are prepared from water and a main material at a ratio of 0.6 to 0.8; the main material is prepared from, by weight, 64 to 78% of saw mud, 3 to 6% of desulfurized gypsum, 10 to 18% of quick lime, 8 to 14% of cement, and 0.4 to 0.7% of aluminium powder. A preparation method comprises following steps: quick lime and desulfurized gypsum are smashed, and are subjected to ball milling; saw mud is grinded; steel bar is subjected to treatment; an obtained material slurry, a cementing agent, and cement are stirred at a certain ratio; after pouring, moulds are delivered to a standing area for aeration and prehardening; an obtained product is subjecting to cutting; obtained green bodies are delivered into a still kettle for maintenance, and are subjected to separation, packaging, and conveying; and generated wastewater and waste materials are recycled. Beneficial effects of the autoclaved light sand aerated concrete blocks are that: thermal insulation properties are excellent; permeability resistance is excellent; shrinkage value is lower; the autoclaved light sand aerated concrete blocks are green and friendly to the environment, are safer, are excellent in sound insulation effect and machinability, and are economical.
Autoclaved aerated concrete, autoclaved aerated concrete slab and preparation method thereof
| European Patent Office | 2020
| European Patent Office | 2022
Preparation method of autoclaved aerated concrete block and autoclaved aerated concrete block
| European Patent Office | 2021
Autoclaved aerated sand brick and preparation method thereof
| European Patent Office | 2016