Yuav ua li cas koj ua ib qho kev sib tov zoo?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Lwm "txoj cai qub ntawm tus ntiv tes xoo" rau sib tov pob zeb yog 1 cement: 2 xuab zeb: 3 gravel los ntawm ntim. Sib tov cov khoom ua kom qhuav thiab maj mam ntxiv dej kom txog thaum lub pob zeb ua haujlwm tau. Qhov no sib tov tej zaum yuav tau hloov kho nyob ntawm cov aggregate siv los muab ib pob zeb ntawm txoj cai ua haujlwm.

Ntawm no, dab tsi yog qhov zoo tshaj plaws mix rau pob zeb?

A qhob sib tov ratio ntawm 1 feem cement , 3 qhov chaw xuab zeb, thiab 3 qhov sib sau ua ke yuav tsim ib qho concretemix 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 khoom siv ua ke kom txog thaum lub sib tov tawv.

Tsis tas li ntawd, dab tsi yog 1 2 3 mix rau pob zeb? Pob zeb yog ua los ntawm cement , xuab zeb, gravelland dej. Hauv kev ua pob zeb muaj zog, cov khoom xyaw no feem ntau yuav tsum yog sib xyaw nyob rau hauv ib tug ratio ntawm 1 : 2 : 3 : 0.5 kom ua tiav lub zog siab tshaj plaws. Qhov ntawd yog 1 ib feem cement , 2 cov xuab zeb, 3 0.5 feem ntawm gravel thiab 0.5 feem dej.

Tsis tas li ntawd, ua li cas koj sib tov koj tus kheej pob zeb?

Rau sib tov koj tus kheej pob zeb Rau cov ko taw thiab cov piers, siv 1 feem Portland cement, 2 qhov chaw huv dej xuab zeb, thiab 3 seem gravel (qhov siab tshaj ntawm 1 nti inch thiab tshwj xeeb tshaj yog ntxuav rau kev sib xyaw ua ke ). Ntxiv dej huv, me ntsis ntawm ib lub sij hawm, asyou sib tov . Cov pob zeb yuav tsum yog cov yas, tsis muaj dej.

Dab tsi yog tus qauv sib xyaw rau pob zeb?

Txhais ntawm txheem mix . Qhob sib xyaw nyob rau hauv proportions ntawm 1 feem cement, 2 seem xuab zeb, thiab 4 seem coarse khoom. Saib ntxiv: aggregate, cement. Ref: Nelson.