Dab tsi yog cement aggregate ratio?
Dab tsi yog cement aggregate ratio?

Video: Dab tsi yog cement aggregate ratio?

Video: Dab tsi yog cement aggregate ratio?
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Aggregate cement piv yog piv ntawm qhov hnyav ntawm sib sau ua ke mus luj cement . Yog qhov no piv yog ntau, uas implies sib sau ua ke muaj ntau thiab cement yog tsawg thiab yog tias qhov no piv yog tsawg, uas implies hnyav sib sau ua ke yog tsawg thiab hnyav ntawm cement yog ntau (kwv yees).

Ib yam li ntawd, koj tuaj yeem nug, tus qauv piv ntawm kev sib xyaw ua vaj tse yog dab tsi?

A qhob sib tov piv ntawm 1 part cement , 3 qhov chaw xuab zeb, thiab 3 qhov sib sau ua ke yuav tsim ib qho qhob mix ntawm kwv yees li 3000 psi. Kev sib tov dej nrog cement , xuab zeb, thiab pob zeb yuav tsim ib qho muab tshuaj txhuam uas yuav khi cov ntaub ntawv ua ke kom txog thaum lub sib tov tawv.

Tom qab, lo lus nug yog, dab tsi yog qhov piv ntawm pob zeb rau lub hauv paus mix? A qhob mix ntawm 1 part cement : 2 qhov chaw xuab zeb: 4 qhov chaw coarse aggregate (los ntawm ntim) yuav tsum tau siv rau footings.

Ib sab saum toj no, qhov piv ntawm cov cement thiab xuab zeb sib tov yog dab tsi?

Qhov tseeb sib tov piv yog 1:1.5:1-1 cement : 1.5 xuab zeb : 1 pob zeb pob zeb nrog 0.4 dej. Yog tias koj siv dej ntau dua nws yuav tawm hauv qhov (porosity ntawm mortar), thiab yog tias koj siv dej tsawg, nws yuav tsis ua rau dej. Koj hais txog pob zeb, tsis yog mortar.

Dab tsi yog 123 mix rau pob zeb?

Pob zeb yog tsim los ntawm cov cement, xuab zeb , gravel thiab dej . Hauv kev ua kom muaj zog, cov no cov khoom xyaw Feem ntau yuav tsum tau muab sib xyaw rau hauv qhov sib piv ntawm 1: 2: 3: 0.5 kom ua tiav lub zog siab tshaj plaws. Qhov ntawd yog 1 feem cement, 2 ntu xuab zeb 3 qhov chaw gravel, thiab 0.5 feem dej.

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