Kev sib tsoo zoo ntawm cov cement cuam tshuam li cas rau lub sijhawm teem?
Kev sib tsoo zoo ntawm cov cement cuam tshuam li cas rau lub sijhawm teem?

Video: Kev sib tsoo zoo ntawm cov cement cuam tshuam li cas rau lub sijhawm teem?

Video: Kev sib tsoo zoo ntawm cov cement cuam tshuam li cas rau lub sijhawm teem?
Video: txu thoj qhia kev siv tshuaj caiv li cas 2024, Kaum ib hlis
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nyhuv Ntawm Kev sib tsoo zoo Nyob Sijhawm OfSetting

Txij li cov coarse hais ntawm cement yog xyaum inert, muaj yog txhua qhov laj thawj los ntseeg tias qhov kawg sib tsoo yuav nce qhov kev ua ntawm tus qauv, txij li nws yuav ua ib co inert particlesactive.

Yog li ntawd, qhov zoo ntawm cov cement cuam tshuam li cas rau lub sijhawm teeb tsa?

Cov fineness ntawm cement muaj ib qho tseem ceeb bearingon tus nqi ntawm hydration thiab li no nyob rau ntawm tus nqi ntawm nce zog thiab kuj nyob rau hauv tus nqi ntawm evolution ntawm tshav kub. Kev nce hauv fineness ntawm cement , ob qho tib si sib xws ntawm cement thiab workability ntawm pob zeb nce.

Tom qab, lo lus nug yog, uas txo tus nqi ntawm kev teeb tsa ntawm cement? Gypsum ntxiv rau cement rau txo tus kev teeb tsa tus nqi ntawm cement uas yog nce kev teeb tsa sij hawm

Tom qab ntawd, lo lus nug yog, dab tsi yog qhov cuam tshuam rau lub sijhawm teeb tsa ntawm pob zeb?

Qhov loj ntawm cement hais ncaj qha cuam tshuam hydration, kev teeb tsa thiab hardening, lub zog thiab kub ntawm hydration. Qhov zoo tshaj qhov cement particles yog, qhov loj ntawm tag nrho cov cheeb tsam saum npoo yog thiab qhov loj dua qhov chaw sib cuag nrog dej yog.

Dab tsi yog qhov cuam tshuam ntawm fineness ntawm cement rau tus nqi ntawm hydration?

Cov fineness ntawm cement cuam tshuam rau hydration tus nqi , thiab nyob rau hauv lem, lub zog. Kev nce ntxiv kev zoo ua rau anincreased tus nqi ntawm hydration , siab zog, thiab high heatgeneration. Cov ntshav tuaj yeem txo los ntawm kev nce ntxiv kev zoo.

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