Video: Dab tsi yog qhov kub tshaj plaws uas koj tuaj yeem nteg cib?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Tsis txhob tso cov cib hauv qhov kub qis dua 2 ° C, tshwj tsis yog tias muaj cua sov. Khaws qhov kub ntawm lub qhov rooj saum toj no 4 ° C txhua lub sijhawm. Muab cua txias rau hauv tus account.
Ntawm no, dab tsi kub yog txias heev rau mortar?
mortar - Qhov zoo tshaj plaws kub rau kev tso kawm thiab kho ntawm masonry mortar yog qhov ntau ntawm 70 ° F + 10 ° F. Hauv huab cua txias ( 40 degrees Fahrenheit thiab hauv qab no) cov ntaub ntawv mortar yuav tsum tau rhuab, txwv tsis pub lub mortar yuav pom tau qeeb qeeb sij hawm thiab qis zog thaum ntxov.
Tsis tas li ntawd, qhov kub thiab txias yuav tsum ua li cas rau nteg cib? Thaum ambient kub qis dua 20 ° F (-6.7 ° C), masonry units yuav tsum tau rhuab mus rau qhov kub ntawm qhov tsawg kawg nkaus. 40 ° F ( 4.4°C dej ) ua ntej tso. Masonry units uas muaj qhov kub siab tshaj 20 ° F (-6.7 ° C), muaj cov dej khov khov, los yog pom cov dej khov lossis daus ntawm lawv qhov chaw yuav tsum tsis txhob muab tso rau.
Kuj nug tias, ua cas koj pw tsis tau cib rau qhov txias?
Thawj qhov teeb meem nrog tso cib hauv txias huab cua yog mortar. Txias Qhov kub thiab txias qeeb cov dej ntawm cov cement nyob rau hauv mortar mix, thiab lengthening cement curing lub sij hawm. Cov cib , thiab lwm yam masonry units, yuav tsum tau kho tag nrho mortar thiaj li muaj zog txaus mus txuas ntxiv tsev nyob ib ncig ntawm lawv.
Koj puas tuaj yeem ua masonry ua haujlwm hauv huab cua txias?
Masonry ua haujlwm yuav tsum tau saib xyuas tshwj xeeb thaum ua haujlwm kub yog hauv qab 40 F. Heev huab cua txias hloov tus cwj pwm ntawm mortar thiab ua tau ua rau tawg thiab lwm yam teeb meem. Masons yuav tsum ua kom sai thiab ua raws li cov kauj ruam tshwj xeeb kom khaws cia masonry sov thiab ua haujlwm tau.
Pom zoo:
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