Li-additives tsa Konkreite tse bobebe | Li-Agents tse Foaming tse Phahameng ka ho Fetisisa bakeng sa Konkreite ea Cellular
LITLHAKISO TSA LITŠOANTŠISO
Tlhaloso
Kakaretso ea Silica Fume Concrete Admixture for High Performance Concrete in Tunnels le Underground Structures
Silica Fume Concrete Admixture for High Performance Concrete in Tunnels le Underground Structures ke metsoako ea lik'hemik'hale e kentsoeng metsoakong ea konkreite ho ntlafatsa thepa e fapaneng ea thepa., joalo ka ts'ebetso, matla, durability, le nako ea ho phomola. Lisebelisoa tsena li kenyelletsa li-plasticizers, bafokodi, li-accelerator, lintho tse thibelang metsi, le liente tse kenyang moea, e 'ngoe le e' ngoe e etselitsoe ho fihlela litlhoko tse khethehileng tlhahisong ea konkreite. Li-additives tsa konkreite li atisa ho sebelisoa mohahong oa khoebo le oa bolulo, hammoho le tlhahiso ea konkreite ea precast le e itokiselitseng ho kopanya. Ka ho ntlafatsa ts'ebetso le boleng ba konkreite, li-additives tsena li thusa ho ntlafatsa katleho e akaretsang ea merero ea kaho ha li ntse li netefatsa ho tšoarella le nako e telele ea mohaho o felileng.. Li bonolo ho li kenyelletsa motsoakong le ho fana ka tharollo e theko e tlaase bakeng sa ho ntlafatsa thepa ea konkreite mefuteng e mengata ea likopo..
Litšobotsi tsa Silica Fume Concrete Admixture for High Performance Concrete in Tunnels and Underground Structures
Matla a Matlafalitsoeng: Li-additives tsa konkreite li ka eketsa haholo matla a hatellang a konkreite, ho etsa hore e mamelle kgatello le kgatello ya maikutlo. Sena se tiisa nako e telele le ho tšoarella ha mehaho, ho fokotsa monyetla wa ho petsoha kapa ho hloleha.


Specification of Silica Fume Concrete Admixture for High Performance Concrete in Tunnels and Underground Structures
Spec of Silica Fume Concrete Admixture for High Efficient Concrete in Tunnels and below Ground Structures
Kakaretso ea Sehlahisoa
Silica fume ke phofo e ntle haholo e sebelisoang e le motsoako oa konkreite. E eketsa boima, boimana, le ho hanyetsa ho kena metsing. Sena se etsa hore e be e loketseng liphasejeng le meaho e ka tlase ho mobu moo ho nang le mathata a tšoarellang.
Lekunutu Perks
Ho eketsa mosi oa silica ho konkreite ho tlatsa libaka tse nyane lipakeng tsa likhechana tsa konkreite. Sena se hlahisa motsoako o teteaneng o sitisang metsi le lik'hemik'hale tse sa bolokehang. Phello ke konkreite e tšoarellang nako e telele le e mamellang fracturing tlas'a khatello. Mehaho e lula e tiile libakeng tse mongobo kapa tse senyang.
Litlhoko tsa Tekheniki
Mosi oa silica o hloka ho khotsofatsa litekanyetso tsa ASTM C1240. silicon dioxide ea eona (SiO ₂) thepa e tlameha ho ea bonyane 85%. Thepa e tlameha ho se be le ho ruruha le ho bolokoa e omme ho thibela ho putlama. Ha e kopantsoe ka konkreite, litekanyetso li behoa ka tloaelo ho tloha ho 5% ho 10% ka boima ba samente. Lichelete tse nepahetseng li itšetlehile ka litlhoko tsa projeke le moralo o kopaneng.
Litšobotsi tsa Ts'ebetso
Konkreite e nang le mosi oa silica e fumana boima bo phahameng haholo pele le ho qetela. Matla a khatello hangata a feta 8,000 psi. Permeability e theoha haholo, e liehisa tlhaselo ea chloride le sulfate. Sena se sireletsa matla a tšepe hore a se ke a bola. Motsoako o boetse o bontša bonngoe bo betere haholo, ho fokotsa karohano ho pholletsa le ho behoa likarolong tse tebileng kapa tse tšesaane.
Ho laola le ho Sebelisa
Sebelisa taolo e nepahetseng ea lerōle ha u hlokomela mosi oa silica– e ntle haholo 'me e ka qetella e le moeeng. E kenyelle kamehla nakong ea batching, eseng setsheng. E kopanya ka ho lekana le lisebelisoa tse ling ho etsa bonnete ba hore liphetho li lumellana. Latela melao ea ts'ireletso ea tikoloho 'me u sebelise lisebelisoa tsa tšireletso. Sebetsana le moenjiniere ea tšoanelehang ho lokisa litaba tsa metsi le tšebeliso ea superplasticizer, ka lebaka la hore mosi oa silica o eketsa botenya.
Lisebelisoa
Motsoako ona o sebetsa hantle ka har'a lithane tsa cellular tsa kotopo, lithapo, liteishene tse tlase tsa fatše, le mabota a baballang. E lumellana le mofuta ofe kapa ofe oa mosebetsi o ka tlase ho mobu o hlokang ho fokotsoa ho kenella, matla a phahameng, le nako e telele ea bophelo. E sebelise moo ho pepesehang ka kotloloho metsing a ka tlas'a lefatše, letsoai la de-icing, kapa ditshila tse tletseng bora di lebeletsoe.

Lisebelisoa tsa Silica Fume Concrete Admixture for High Performance Concrete in Tunnels le Underground Structures
Lisebelisoa tsa Silica Fume Concrete Admixture ka har'a lithanele le Mehaho e ka tlas'a lefatše
E Matla Haholo, Konkreite e Tenyang bakeng sa Sepakapaka se Hlokang
Silika fume ke phofo e ntle e kentsoeng konkreite ho matlafatsa ts'ebetso ea eona haholo. Litemaneng le ka tlas'a mehaho ea fatše, motsoako ona o phetha mosebetsi oa bohlokoa. Libaka tsena li tobana le khatello e sa khaotseng ea litšila, metsi, le lik'hemik'hale. Konkreite e tloaelehileng e ka 'na ea arohana kapa ea senyeha butle-butle. Mosi oa silika o thusa ho thibela seo.
Ha e kopantsoe ka konkreite, mosi oa silica o tlatsa likheo tse nyane lipakeng tsa likotoana tsa konkreite. Sena se etsa hore motsoako o be matla haholo. Moralo o teteaneng o bolela hore metsi le lintho tse senyang li fumana ho le thata ho kena ka hare. Ka hona, konkreite e nka nako e telele mme e mamella tšenyo e ntle haholo.
Betere Toughness le Durability
Konkreite e nang le mosi oa silika e fumana matla a ho hatella le ho tsitsisa. Sena se bohlokoa haholo lithaneleng moo lotho e leng boima le sebaka se lekanyelitsoeng. Konkreite e matla haholoanyane e boloka boima ba 'mele ntle le ho hlōleha. E boetse e fokotsa tlhokahalo ea libaka tse teteaneng tsa meralo, ho baballa sebaka le sehlahiswa.
Motsoako o boetse o fokotsa ho kenella ha metsi. Sena se bolela hore chloride e tlase haholo, sulfate, le mahlahana a mang a fapaneng a mabifi a ka kena ka har'a konkreite. Tšireletso ena ke ea bohlokoa libakeng tse ka tlas'a lefatše moo metsi a ka tlas'a lefatše a atisang ho koahela lik'hemik'hale tse joalo. Ka mosi oa silika, ts'ehetso ea tšepe e lula e sireletsehile ho feta mafome.
Sebetsa se Ntlafetseng le Sebetsa sa Nako e telele
Lintho tsa sejoale-joale tsa silika li entsoe hore li sebetse hantle ka li-superplasticizers. Sena se boloka konkreite e ncha e bonolo haholo ho e beha le ho nkeha habonolo, esita le liphasejeng tse rarahaneng tsa cellular. Hang ho thatafala, konkreite e senola ho fokotseha ho fokolang le ho robeha ho fokolang. Litšobotsi tsena tse holimo li thusa ho boloka botsitso ba meralo ka lilemo tse mashome.
Ka likopo tsa shotcrete– e atileng kahong ya diteseletso le kaho– mosi oa silica o eketsa tsoelo-pele ea matla a pele. Sena se nolofalletsa lipotoloho tsa ho epolla kapele le ho fana ka thuso e potlakileng. Likonteraka li rua molemo ho ts'ireletso le ts'ebetso e tloaelehileng.
Ka kakaretso, mosi oa silica o fetola konkreite e tloaelehileng hore e be sehlahisoa se sebetsang hantle se hahiloeng bakeng sa maemo a thata a fumanoeng ka tlas'a lefatše.
Boemo ba Khoebo
Re moetapele oa lefats'e oa konkreite e bobebe le tharollo ea foam e tsoetseng pele. E tsebahala lefatšeng ka bophara ka boitlamo ba eona ba ho etsa lipatlisiso, popontshwa, le botsebi bo sebelisitsoeng, esale re fana ka tharollo ea foam e entsoeng ka boenjiniere ho tloha qalong ea 2012.
Re ka fana ka motsoako oa boleng bo holimo oa konkreite le lihlahisoa tse amanang le konkreite ea foam lefatšeng ka bophara.
Khampani e na le lefapha la litsebi tsa theknoloji le lefapha la tlhokomelo ea boleng, laboratori e nang le lisebelisoa hantle, hape e na le lisebelisoa tse tsoetseng pele tsa tlhahlobo le setsi sa litšebeletso tsa bareki ka mor'a thekiso.
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5 Lipotso-potso tsa Silica Fume Concrete Admixture for High Performance Concrete in Tunnels and Underground Structures
Lipotso Tse Botsoang Khafetsa: Silica Fume Concrete Admixture bakeng sa lithanele le Mehaho e ka tlas'a lefatše
Mosi oa silika ke eng mme ke hobane'ng ha o sebelisoa ka konkreite ea kotopo?
Silica fume ke phofo e ntle haholo e entsoeng nakong ea tlhahiso ea tšepe ea silicon. E tlatsa likheo tse nyenyane pakeng tsa likaroloana tsa samente. Sena se etsa hore konkreite e be matla, matlafala, le tse nyenyane tse porous. Ka lithanele le ho sebetsa ka tlas'a lefatše, sena se thusa ho thibela metsi le lik'hemik'hale.
Mosi oa silica o ntlafatsa matla a konkreite joang?
Mosi oa silica o kopana le calcium hydroxide ka samenteng ho etsa lintho tse tlamang. Karabelo ena e eketsa matla a pele le a nako e telele. Lithako tsa lithanele tse entsoeng ka mosi oa silika hangata li fihla ho matla a hatellang 10,000 psi. E phahame haholo ho feta konkreite e tloaelehileng.
Na mosi oa silica o etsa hore konkreite e be thata ho e beha?
Ee, e ka khona. Hobane mosi oa silika o motle haholo, e eketsa tlhokahalo ea metsi. Empa sena se lokisoa ka ho sebelisa li-superplasticizers. Ka motsoako o nepahetseng, konkreite e lula e sebetsa 'me e phalla hantle libakeng tse thata-e tloaelehileng ka mefuta ea lithanele.
Na mosi oa silika o molemo bakeng sa ho tšoarella libakeng tse mongobo kapa tse senyang?
Ee. Mosi oa silika o theola ho kenella ha konkreite. Metsi, chloride, 'me li-sulfate ha li khone ho feta habonolo. Sena se sireletsa matla a tšepe ho mafome. Meahong e ka tlas'a lefatše e pepesehetseng metsi a fatše kapa letsoai la deicing, hoo ho bohlokoa haholo.
Na ho na le melao e khethehileng ea ho sebetsana kapa ho tsoaka bakeng sa mosi oa silica?
Mosi oa silika o tlameha ho kenngoa ka ho lekana nakong ea ho kopanya. Merero e mengata e e sebelisa ka mokhoa oa slurry kapa e le karolo ea samente e kopantsoeng pele. Kamehla latela litaelo tsa morekisi. Nako ea motsoako e ka 'na ea hloka ho eketseha hanyenyane ho etsa bonnete ba ho hasana ho feletseng. Ho phekola hantle le hona ke habohlokoa—boloka bokaholimo bo le mongobo bonyane 7 matsatsi.
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