Hauv kev siv cov ntaub ntawv hauv tsev, cement yog cov khoom siv tseem ceeb rau kev siv, thiab kev ua kom zoo dua ntawm nws cov kev ua tau zoo yeej ib txwm yog qhov tseem ceeb ntawm kev tshawb fawb. Calcium formate, ua ib qho khoom siv ntxiv, ua lub luag haujlwm tseem ceeb hauv cement.
1. Ua kom cov cement hydration ua haujlwm sai dua
Calcium formatetuaj yeem ua kom cov txheej txheem hydration ntawm cement sai dua. Tom qab cement sib xyaw nrog dej, cov calcium ions hauv calcium formate tuaj yeem ua rau cov khoom siv minerals xws li tricalcium silicate thiab dicalcium silicate hauv cement los txhawb kev yaj ntawm cov minerals cement thiab kev tsim cov khoom hydration. Qhov no tso cai rau cement kom ncav cuag lub zog siab dua hauv lub sijhawm luv dua, luv lub sijhawm teeb tsa ntawm cement, thiab txhim kho kev ua haujlwm ntawm kev tsim kho.
2. Txhim kho lub zog thaum ntxov
Vim yog qhov ua kom sai ntawm calcium formate rau cov tshuaj tiv thaiv cement hydration, nws tuaj yeem txhim kho lub zog thaum ntxov ntawm cement. Hauv kev tsim cov khoom cement xws li cov khoom siv precast concrete thiab cov cib cement, kev txhim kho lub zog thaum ntxov tuaj yeem ua kom cov pwm hloov pauv sai dua thiab txo cov nqi tsim khoom. Tib lub sijhawm, rau qee qhov project uas yuav tsum tau siv sai, xws li kev kho txoj kev thiab kev tsim kho tshav dav hlau, kev ntxiv calcium formate tuaj yeem ua kom ntseeg tau tias qhov project muaj lub zog txaus hauv lub sijhawm luv dua los ua kom tau raws li qhov xav tau siv.
3. Txhim kho qhov kev tiv thaiv te ntawm cov cement
Hauv thaj chaw txias, cov khoom cement ntsib qhov kev sim ntawm lub voj voog khov-thaw. Kev ntxiv calcium formate tuaj yeem txhim kho qhov kev tiv thaiv te ntawm cement. Nws tuaj yeem txo qhov porosity hauv cement, txo qhov nkag thiab khov ntawm dej hauv cement, thiab yog li txo qhov kev pheej hmoo ntawm kev puas tsuaj khov-thaw. Tsis tas li ntawd, calcium formate kuj tseem tuaj yeem ua rau kom cov cement ceev thiab txhim kho qhov kev tiv thaiv ntawm cement rau kev ntxhov siab ntawm te.
4. Txhim kho qhov corrosion tsis kam ntawm cement
Hauv qee qhov chaw tshwj xeeb, cov khoom siv cement yuav tsum muaj kev tiv thaiv corrosion zoo. Calcium formate tuaj yeem ua rau muaj kev cuam tshuam nrog calcium hydroxide hauv cement los tsim cov tshuaj uas tsis yooj yim corroded, yog li txhim kho qhov kev tiv thaiv corrosion ntawm cement. Tib lub sijhawm, calcium formate kuj tseem tuaj yeem txo qhov permeability ntawm cement thiab txo qhov kev puas tsuaj ntawm cement los ntawm cov xov xwm corrosive.
Calcium formateUa lub luag haujlwm tseem ceeb hauv cov cement hauv kev ua kom cov tshuaj tiv thaiv hydration sai dua, txhim kho lub zog thaum ntxov, txhim kho kev tiv thaiv te thiab txhim kho kev tiv thaiv corrosion. Hauv kev tsim khoom thiab kev siv cement, kev siv calcium formate kom raug tuaj yeem txhim kho kev ua tau zoo ntawm cement thiab ua tau raws li qhov xav tau ntawm ntau yam haujlwm sib txawv.
Lub sijhawm tshaj tawm: Lub Rau Hli-25-2025
