Lightweight Concrete Additives | High-Performance Foaming Agents for Cellular Concrete
foam beton kongiri isingaremi ine mabubbles emhepo uye foamed simende slurry. Yakave yakakurumbira sarudzo yekuvaka nekuti inoda zvakanyanya kushoma zvinhu kuti uwane simba rakafanana. foam beton inewo yakaderera density pane yechinyakare kongiri, kuderedza kunetsa kwezvakatipoteredza.
Iyo yakaunganidzwa mhando inoshandiswa inogona kuve nemhedzisiro yakakosha pakusimba kwefoam kongiri. Semuyenzaniso, RCA yakaratidzwa kuwedzera simba rekumanikidza refoam kongiri pakutsiva jecha. Izvi zvinodaro nekuti iyo isina chinhu manyorerwo eRCA anowedzera porosity, zvichiita kuti mvura iwedzere. Iyo pozzolanic reaction yeFA inotungamira kune epamusoro masimba zvakare [2].
Mukuwedzera kune aggregate, iyo inopupuma mumiririri inogona kukanganisa kunaka kwe foam beton. The surfactant used must be capable of stabilizing the foam, and its dilution ratio should be limited. This will prevent segregation, and also help to maintain a consistent mixture.
Several studies have tested the stability of foam concrete. One test system involved placing balls of varying weight and size into beakers filled with protein and synthetic foams, then measuring the time it took for the ball to sink. The results showed that the foam with protein was more stable, and that a lower dilution ratio was required to achieve the same consistency.
A number of additional ingredients have been studied for their effects on the strength of foam concrete. Granulated blast furnace slag was found to be effective in adjusting the rate and amount of hydration heat, pamwe nekudzora kukwira kwekushisa panguva yekusanganisa nekurapa. Izvi zvakakonzera kuwedzera kwekumanikidza uye kupatsanura simba rekusimba kwekongiri yefuro. Silica fume yaive imwe yekuwedzera yaive nemhedzisiro yekusimba kwefoam kongiri.