Hnub Kawg: 30 Lub Kaum Hli, 2023
Txhua yam ntxiv rau cov pob zeb uas tsis yog cov cement, aggregate (xuab zeb) thiab dej yog suav tias yog cov khoom sib xyaw. Txawm hais tias cov ntaub ntawv no tsis tas yuav tsum tau, cov khoom siv ntxiv tuaj yeem pab tau qee yam mob.
Ntau yam admixtures yog siv los hloov cov khoom ntawm pob zeb. Cov ntawv thov feem ntau suav nrog kev txhim kho kev ua haujlwm, txuas ntxiv lossis txo lub sijhawm kho, thiab ntxiv dag zog rau pob zeb. Admixtures kuj tuaj yeem siv rau kev zoo nkauj, xws li hloov xim ntawm cov cement.
Kev ua tau zoo thiab kev ua haujlwm ntawm cov pob zeb nyob rau hauv cov xwm txheej ntuj tuaj yeem txhim kho los ntawm kev siv engineering science, hloov cov pob zeb sib xyaw, thiab tshuaj xyuas cov hom sib xyaw thiab cov dej-cement ratios. Ntxiv admixtures rau pob zeb thaum qhov no ua tsis tau los yog muaj xwm txheej tshwj xeeb, xws li Frost, kub kub, hnav ntxiv, los yog ntev raug rau deicing ntsev los yog lwm yam tshuaj.
Cov txiaj ntsig ntawm kev siv cov khoom sib xyaw ua ke muaj xws li:
Admixtures txo tus nqi ntawm cov cement xav tau, ua kom cov pob zeb ua kom zoo dua.
Admixtures ua kom cov pob zeb yooj yim ua haujlwm nrog.
Qee qhov sib xyaw ua ke tuaj yeem ua rau lub zog pib ntawm pob zeb.
Qee qhov sib xyaw ua ke txo qhov pib lub zog tab sis nce lub zog kawg piv rau cov pob zeb zoo tib yam.
Lub admixture txo qhov kub ntawm qhov pib ntawm hydration thiab tiv thaiv pob zeb los ntawm kev tawg.
Cov ntaub ntawv no ua rau kom cov Frost tsis kam ntawm pob zeb.
Los ntawm kev siv cov khoom pov tseg, cov pob zeb sib xyaw ua kom muaj kev ruaj ntseg siab tshaj plaws.
Kev siv cov ntaub ntawv no tuaj yeem txo lub sijhawm teeb tsa.
Qee cov enzymes hauv cov khoom sib xyaw muaj cov tshuaj tua kab mob.
Hom kev sib xyaw ua ke
Admixtures yog ntxiv nrog cov cement thiab dej sib tov los pab hauv kev teeb tsa thiab hardening ntawm pob zeb. Cov khoom sib xyaw no muaj nyob rau hauv ob hom kua thiab hmoov. Chemical thiab ntxhia tebchaw yog ob pawg ntawm admixtures. Qhov xwm txheej ntawm qhov project txiav txim siab siv cov khoom sib xyaw.
Tshuaj lom neeg:
Cov tshuaj yog siv los ua kom tiav cov haujlwm hauv qab no:
Nws txo qhov project nqi.
Nws kov yeej kev kub ntxhov thaum muaj xwm txheej kub ntxhov.
Nws ua kom qhov zoo ntawm tag nrho cov txheej txheem los ntawm kev sib tov mus rau kev siv.
Kho cov pob zeb tawv tawv.
Post lub sij hawm: Oct-30-2023
