Ho rarolla bothata ba ho se lumellane pakeng tsa li-admixtures le samente, ho tsepamisitsoe maikutlo ho thibela, khetho ea thepa le ho lemoha thepa e kenang.Ho ikamahanya le maemo ha li-admixtures le samente ke bothata bo rarahaneng, 'me bothata ba ho se lumellane pakeng tsa li-admixtures le samente bo etsahala.Baetsi ba konkreite ba nka mehato e nakong: ho ea ka boemo, ho latela liteko, ho sekaseka le ho fumana mabaka, ho lokisa karolelano ea motsoako oa konkreite, le ho ntlafatsa fektheri.slump, fokotsa slump loss.It hangata ho hlokahala ho fetola palo ea fofa molora, eketsa palo ea admixtures, eketsa mokelikeli mohato masala a admixture ka konkreite, boloka metsi-samente.
karo-karolelano e sa fetohe, 'me eketsa palo ea samente, eo ntle ho pelaelo e eketsang theko ea unit.Kapa mokhoa oa bobeli oa tlatsetso o ka amoheloa, ke hore, ho putlama fekthering ho laoloa ho 80-100, 'me tharollo ea motsoako e hlohlelletsoa ka matla ka metsotso e ka bang 2 ho ikamahanya le 140 pele e sebelisoa sebakeng sa kaho, e leng chelete e ngata. le katleho.Hangata bahlahisi ba konkreite ba hloka li-additives ho ikamahanya le samente ka lebaka la lethathamo le leholo la samente, ke hore, baetsi ba motsoako ba hloka ho fetola foromo, ho latela samente e sebelisoang ke baetsi ba konkreite ho fetola mefuta le palo ea lisebelisoa tsa metsi le li-retarders. ho li-additives, kapa ho eketsa palo ea Plasticizer, moemeli oa ho koetlisa moea o se nang li-bubble, joalo-joalo.
Boikemisetso ba karo-karolelano ea konkreite bo boetse bo hloka ho ela hloko nako ea ho kopanya konkreite, motsoako o na le metsoako e liehang, mocheso o theoha ka tšohanyetso ka mocheso o phahameng, motsoako oa konkreite o ngata haholo, 'me foromo ha e lokisoe. ha nako e ntse e ea, ho fella ka ho hlōleha ha nako e telele ea konkreite.Condensation e tla ama ka ho teba matla a konkreite.Lehlabuleng, mohaho o boetse o lokela ho qoba nako ea motšehare oa mocheso o phahameng le moea, 'me o pholile lisebelisoa tse tala.Boikemisetso ba karo-karolelano ea lehlabathe ka karo-karolelano ea konkreite kaho e boetse e lokela ho fetoloa ho ea ka boholo ba lehlabathe fineness le porosity ea mahoashe aggregate.Ka lebaka leo, bothata ba ho se lumellane pakeng tsa samente le admixture ka rarolloa ho isa tekanyong e itseng, mme tahlehelo e ka fokotseha.
Nako ea poso: Jul-25-2022