Sesebelisoa sa Liquid Limit Manual

Sesebelisoa sa Liquid Limit Manual

Manual Liquid Limit Device (Casagrande) e sebelisoa ho fumana boemo ba mongobo boo mobu oa letsopa o fetang ho tloha polasetiki ho ea boemong bo metsi.Lisebelisoa li na le mochini o feto-fetohang oa crank le cam, counter counter le kopi ea koporo e ka ntshuwang e kentsoeng motheong.

Metara ea moeli oa mokelikeli oa mofuta oa sejana o sebelisoa ho lekanya moeli oa mokelikeli oa mobu.Ke thepa e sebelisoang bakeng sa moralo le kaho molemong oa ho arola mefuta ea mobu, ho bala sebopeho sa tlhaho le index ea polasetiki.

Mokhoa oa teko

1. Beha sampole ea mobu ka sejaneng se fetohang mouoane, eketsa 15 ho isa ho 20 ml ea metsi a hloekisitsoeng, u tsose khafetsa 'me ue lule ka thipa ea ho lokisa mobu ho fihlela e tsoakane hantle, ebe u eketsa 1 ho 3 ml ea metsi nako le nako,' me u kopanye hantle. ho latela mokhoa o ka holimo.kaofela.

2. Ha lisebelisoa tsa mobu li kopantsoe le metsi a lekaneng ho finyella ho tsitsisa, ho lekana le ho hloka ho theoha ka makhetlo a 30 ho isa ho a 35 ho kopanya.Beha karolo ea letsopa la letsopa ka sejana se ka holimo moo sejana se amang poleiti e ka tlase.Sebelisa thipa ea ho lokisa mobu ho hatella sekhomaretsi sa mobu sebopehong se itseng, ela hloko ho o hatella ka makhetlo a 'maloa kamoo ho ka khonehang, 'me u thibele mahlaseli ho tsoakanngoa le motsoako oa mobu.Sebelisa thipa e fetolang mobu ho thethefatsa bokaholimo ba motsoako oa mobu, 'me karolo e teteaneng ea mobu e teteaneng ka 1 cm.Mobu o feteletseng o khutlisetsoa sejaneng sa mouoane, 'me peista ea mobu ka sejana e phunyeletsoa ka bophara ka groover e tsoang ho molateli oa cam.Sekoti se hlalosoang hantle, se hlalosoang se thehoa.E le ho thibela moeli oa groove hore o se ke oa taboha kapa peista ea mobu e thellang ka har'a sejana, bonyane lichapo tse tšeletseng ho tloha ka pele ho ea ka morao le ho tloha ka morao ho ea pele li lumelloa ho nka sebaka sa groove e le 'ngoe,' me leqeba le leng le le leng le teba butle-butle ho fihlela lekhetlo la ho qetela.Ho kopana ha bohlokoa le tlase ea sejana ho lokela ho fumanoa ka makhetlo a 'maloa kamoo ho ka khonehang.

3. Fetolela sets'oants'o sa crank F ka lebelo la li-revolutions tse 2 ka motsotsoana ho etsa hore poleiti ea mobu e phahame le ho oa ho fihlela likarolo tse peli tsa peista ea mobu li ama botlaaseng ba groove hoo e ka bang 1/2 inch (12.7 mm).Rekota palo ea ho otla e hlokahalang bakeng sa bolelele ba 1/2 inch ea ho kopana le botlaaseng ba groove.

4. Khaola sengoathoana sa mobu perpendicular ho sekotjana ho tloha lehlakoreng la mobu ho ea ka lehlakoreng, leo bophara ba lona bo batlang bo lekana le bophara ba thipa ea ho seha mobu, ho kenyeletsoa mobu sebakeng se koetsoeng, se kenye ka lebokoseng la boima le loketseng, e lekanye, o e kopanye.Rekota.Bake ho boima bo sa feleng ho 230°±9°F (110°±5°).Hang ka mor'a ho pholile le pele o anya ka metsing a adsorbed, lekanya.Ngola tahlehelo ea boima ka mor'a ho omisa e le boima ba metsi.

5. Tsamaisa lintho tse setseng tsa mobu ka sejana ho sejana sa mouoane.Hlatsoa 'me u omise sejana le groover,' me u khutlisetse sejana bakeng sa teko e latelang.

6. Sebelisa motsoako oa mobu o fetiselitsoeng sejaneng sa mouoane ho eketsa metsi ho eketsa metsi a mobu, 'me bonyane u etse liteko tse ling tse peli ho latela mokhoa o ka holimo.Sepheo ke ho fumana lisampole tsa mobu tse fapaneng, 'me palo ea marotholi a hlokahalang ho etsa hore manonyeletso a motsoako oa mobu a phalle hammoho ke makhetlo a fetang kapa ka tlase ho 25.Palo ea marotholi a fumanoeng e lokela ho ba pakeng tsa linako tse 15 le 35, 'me sampole ea mobu e lula e etsoa ho tloha sebakeng se omileng ho ea sebakeng se metsi tekong.

7. Palo

a Bala boleng ba metsi WN ea mobu, e hlahisoang e le peresente ea boima ba mobu o omileng;

WN=(boima ba metsi× boima ba mobu o omileng)×100

8. Thala phallo ea phallo ea polasetiki

Rala 'polastiki flow curve' pampiring ea semi-logarithmic;e emela kamano pakeng tsa metsi a metsi le palo ea marotholi a lijana.Nka litaba tsa metsi joalo ka abscissa 'me u sebelise sekala sa lipalo,' me u sebelise palo ea liphororo joalo ka ordinate 'me u sebelise sekala sa logarithmic.Phala ea phallo ea polasetiki ke mola o otlolohileng, o lokelang ho feta lintlheng tse tharo kapa ho feta tsa teko ka hohle kamoo ho ka khonehang.

9. Moeli oa mokelikeli

Lekhalong la phallo, metsi a metsi a marotholi a 25 a nkiloe e le moeli oa mokelikeli oa mobu, 'me boleng bo ne bo pota-potiloe ho palo e feletseng.

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E fetileng: Phallo ea Laminar Bench e hloekileng

E 'ngoe: 200TON Manual Block Concrete Block Compressive Strength Testing Machine

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