Naha ea rona ke "moreki e moholo oa khalase". Ka nts'etsopele e potlakileng ea moruo, tšebeliso ea khalase e ntse e eketseha letsatsi le letsatsi, 'me ho lahla khalase e senyehileng ho fetohile bothata bo boholo butle-butle. Karolo e ka sehloohong ea khalase ke silica e sebetsang, kahoo ka mor'a ho siloa hore e be phofo, e ka ba le ts'ebetso e matla 'me e ka sebelisoa e le motsoako ho lokisa konkreite. Sena ha se rarolle bothata ba ho lahla khalase e senyehileng feela, empa hape se ka khothaletsa nts'etsopele ea thepa ea kaho e tala le e mosa tikolohong.Mechine ea HCMke moetsi oa feme ea ho sila. Feme ea ho sila eo re e hlahisang ke lisebelisoa tse sebelisetsoang ho sila phofo ea khalase e senyehileng. Kajeno ke tla u tsebisa karolo ea phofo ea khalase samenteng.

Ka ho sekaseka teko ea matla a khatello ea konkreite e kopantsoeng le phofo ea khalase le liphetho tsa tlhahlobo ea microscopic ea peista ea samente, ho ka fihleloa qeto ea hore leha CaO ea phofo ea khalase e ka arabela le metsi, e fokola haholo. Ka hona, ho ka nahanoa hore phofo ea khalase ha e na bothata ba hydraulic. Ha bongata ba phofo ea khalase bo kopantsoeng e le 10%, mohlala, silica e sebetsang, alumina le calcium hydroxide phofong ea khalase li arabela ho theha calcium silicate e nang le alkalinity e nang le alkalinity e tlase. Silica e sebetsang e ka boela ea arabela le calcium silicate e nang le alkalinity e ngata. Calcium silicate hydrate e arabela ho hlahisa calcium silicate hydrate e nang le alkali e tlase. Ha e ntse e fokotsa litaba tsa calcium hydroxide, karolo ea calcium silicate e nang le alkali e ngata ea hlahisoa, e ntlafatsang ho teteana le ho se kenelle ha slurry e thata; E arabela le sehlahisoa sa hydration sa samente calcium hydroxide (Ca(OH)2) ho hlahisa metsi calcium silicate e nang le metsi e fokotsa dikahare tsa Ca(OH)2 ka konkreite, e eketsa dikahare tsa calcium silicate e nang le metsi, mme e ntlafatsa matla a konkreite. Ha dikahare tsa phofo ya khalase di fihla ho 20%, hobane dikahare tsa samente di a fokotseha, di-hydrate tse hlahiswang ke hydration ya samente le tsona di a fokotseha, empa phofo ya khalase e arabela le di-hydrate tsa samente ho etsa calcium silicate e nang le metsi hanyane. Ha bongata ba phofo ya khalase bo fihla ho 20%, matla a ntse a tshwana le konkreite e behetsweng. Ha bongata ba phofo ya khalase bo ntse bo eketseha mme dikahare tsa samente di fokotseha butle-butle, bongata ba dihlahiswa tsa hydration bo a fokotseha, mme phofo ya khalase e arabela le di-hydrate tsa samente Ho eketseha ha hydrate ha ho a lekana ho lefella phokotso ya dihlahiswa tsa hydration tse bakwang ke phokotso ya dikahare tsa samente. Ka hona, matla a ntse a fokotseha le ho feta. Ho boetse ho fumanwa hore ha bongata ba phofo ya khalase bo le bongata haholo, mapetso a tla hlaha.

Lebaka ke hobane leha bongata ba samente bo fokotsehile, tlhoko ea silica e sebetsang e kenang karabelong ea metsi le eona ea fokotseha. Silica e sebetsang e setseng e arabela le lintho tse nang le alkaline phofong ea khalase, e leng se bakang katoloso ea konkreite ka hare. Sekontiri se thatafalitsoeng sa samente le sona se tla petsoha 'me se hlahise mapetso a maholo, 'me matla a konkreite le 'ona a tla fokotseha.

Tšusumetso ea phofo ea khalase holim'a samente:

(1) Matla a ho hatella a konkreite a matsatsi a 28 a lokisitsoeng ka phofo ea khalase e bonaletsang e se nang 'mala le phofo ea khalase e tala e tsoakiloeng le 10% le 15% ea samente sebakeng sa samente a phahame ho feta a konkreite e tloaelehileng; ha tekanyo e le 20%, matla a tšoana le a konkreite e tloaelehileng. Ha e bapisoa le konkreite; ha tekanyo e le 30% le ho feta, matla a ho hatella a konkreite a fokotseha haholo.

(2) Ha ho se na phofo ea khalase e ekelitsoeng, calcium hydroxide e kristale hantle 'me e ba kholoanyane ka boholo. Ha bongata ba phofo ea khalase bo ntse bo eketseha, bokahare ba calcium hydroxide boa fokotseha butle-butle 'me kristale e ntse e mpefala le ho feta.

(3) Ho eketsa phofo ea khalase ea mebala e fapaneng ha ho na tšusumetso e kholo matla a konkreite.

(4) Phofo ea khalase e sebelisetsoa ho lokisa konkreite 'me e na le litlamorao tse kholo tikolohong.

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