Dab tsi yog qhov sib xyaw rau pob zeb?
Dab tsi yog qhov sib xyaw rau pob zeb?

Video: Dab tsi yog qhov sib xyaw rau pob zeb?

Video: Dab tsi yog qhov sib xyaw rau pob zeb?
Video: Qhov Ntawm Ko Yog Dab Tsi 2024, Hlis ntuj nqeg
Anonim

Qhov sib xyaw ua ke ntawm 1 feem ntawm cement, 3 qhov chaw xuab zeb , thiab 3 qhov sib sau ua ke yuav tsim kev sib xyaw ua ke ntawm kwv yees li 3000 psi. Sib tov dej nrog cov cement, xuab zeb , thiab pob zeb yuav tsim ib qho muab tshuaj txhuam uas yuav khi cov ntaub ntawv ua ke kom txog thaum sib tov hardens.

Tsis tas li lo lus nug yog, dab tsi yog qhov sib xyaw kom raug rau pob zeb hauv lub hauv paus?

A qhob mix ntawm 1 feem cement: 2 qhov chaw xuab zeb: 4 qhov sib xyaw ua ke (los ntawm ntim) yuav tsum tau siv rau footings. Pob zeb yuav tsum muab tso rau hauv ib nrab ib teev ntawm sib tov.

Tom qab ntawd, lo lus nug yog, qhov piv ntawm cov xuab zeb gravel thiab cement rau pob zeb yog dab tsi? Ib txwm piv yog 1 part cement ,,2 ntu xuab zeb , thiab 3 ntu pob zeb (luv lo lus ib feem rau duav, thoob, lossis lwm yam khoom siv ntsuas). # Pib ntxiv dej rau hauv qhov sib tov maj mam, sib tov tsis tu ncua kom txog thaum nws dhau los ua yas txaus los tso rau hauv koj daim ntawv.

Ua li no, 1 2 3 mix yog dab tsi?

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.

C35 qhob mix ratio yog dab tsi?

1:1.5:2.5 ( Cement /Sand / Fine Aggregate) rau c35 ua qib pob zeb.

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