Pob Txheem Kho Kom Zoo Dua - Cov Lus Txhais, Piv Txwv Thiab Cov Teeb Meem
Nov 18, 2019
Txhais:
Ua kom nrawm nrawm Admixture - ib qho admixture uas ua rau kev nce nqi ntawm cov dej ntawm cov hydraulic cement thiab yog li ua kom lub sijhawm luv luv ntawm kev teeb tsa, nce qhov feem pua ntawm lub zog txhim kho, lossis ob qho tib si.
Ua kom ceev cov admixtures ntxiv rau cov pob zeb ua tau ntxiv rau qhov nce tus nqi txhim kho thaum ntxov ntawm lub zog los yog ua kom luv luv ntawm lub sijhawm kev teeb tsa, lossis ob qho tib si. Tshuaj lom neeg cov tshuaj ua kom nrawm nrawm suav nrog qee yam sib xyaw ua ke xws li soluble chlorides, carbonates, silicates, fluosilicates, thiab qee cov organic sib xyaw xws li triethanolamine.
Piv txwv ntawm Accelerators hauv qhob:
Calcium chloride yog ib qho kev nrawm nrawm, siv los txhawm rau lub sijhawm ntawm kev teeb thiab qhov ntsuas ntawm lub zog ntxiv. Nws yuav tsum ua tau raws li qhov thov ntawm ASTM D 98. Cov kab mob calcium chloride ntau dhau hauv cov pob zeb sib xyaw ua ke yuav ua rau txhav txhav, nce ntxiv kom qhuav ntsws thiab xeb ntawm qhov cuab lub zog. Hauv cov huab cua txias dua, calcium chloride yuav tsum tsis txhob siv cov tshuaj los tiv thaiv. Cov calcium calcium ntau yuav tsum ua kom qis ntawm qhov khov ntawm pob zeb, uas yuav ua kom lub pob zeb puas.
Cov neeg tua hluav taws tawm tsam feem cuam tshuam ntawm huab cua txias, uas ua rau qeeb qeeb ntawm kev kho thiab teeb tsa cov txheej txheem.
Tus kws cog lus tuaj yeem siv ib zaug txhua lub sijhawm tus txheej txheem kho tau xav tau ceev. Lub admixture yuav tso cai rau cov neeg ua haujlwm pob zeb ua kom tshem tawm cov ntawv ua ntej, tau mus rau saum npoo av ua ntej rau kev ua tiav, thiab qee zaum tseem muab cov khoom ntim rau nws ua ntej, xws li thaum muab kev sib tsoo ko taw los ua txhaws. Cov accelerator haum rau txhawb cov qhob ib qho tuaj yeem nrhiav tau yog:
Piv txwv ntawm Accelerators hauv qhob:
Calcium chloride yog ib qho kev nrawm nrawm, siv los txhawm rau lub sijhawm ntawm kev teeb thiab qhov ntsuas ntawm lub zog ntxiv. Nws yuav tsum ua tau raws li qhov thov ntawm ASTM D 98. Cov kab mob calcium chloride ntau dhau hauv cov pob zeb sib xyaw ua ke yuav ua rau txhav txhav, nce ntxiv kom qhuav ntsws thiab xeb ntawm qhov cuab lub zog. Hauv cov huab cua txias dua, calcium chloride yuav tsum tsis txhob siv cov tshuaj los tiv thaiv. Cov calcium calcium ntau yuav tsum ua kom qis ntawm qhov khov ntawm pob zeb, uas yuav ua kom lub pob zeb puas.
Cov neeg tua hluav taws tawm tsam feem cuam tshuam ntawm huab cua txias, uas ua rau qeeb qeeb ntawm kev kho thiab teeb tsa cov txheej txheem.
Tus kws cog lus tuaj yeem siv ib zaug txhua lub sijhawm tus txheej txheem kho tau xav tau ceev. Lub admixture yuav tso cai rau cov neeg ua haujlwm pob zeb ua kom tshem tawm cov ntawv ua ntej, tau mus rau saum npoo av ua ntej rau kev ua tiav, thiab qee zaum tseem muab cov khoom ntim rau nws ua ntej, xws li thaum muab kev sib tsoo ko taw los ua txhaws. Cov accelerator haum rau txhawb cov qhob ib qho tuaj yeem nrhiav tau yog:
Piv txwv ntawm Accelerators hauv qhob:
Calcium chloride yog ib qho kev nrawm nrawm, siv los txhawm rau lub sijhawm ntawm kev teeb thiab qhov ntsuas ntawm lub zog ntxiv. Nws yuav tsum ua tau raws li qhov thov ntawm ASTM D 98. Cov kab mob calcium chloride ntau dhau hauv cov pob zeb sib xyaw ua ke yuav ua rau txhav txhav, nce ntxiv kom qhuav ntsws thiab xeb ntawm qhov cuab lub zog. Hauv cov huab cua txias dua, calcium chloride yuav tsum tsis txhob siv cov tshuaj los tiv thaiv. Cov calcium calcium ntau yuav tsum ua kom qis ntawm qhov khov ntawm pob zeb, uas yuav ua kom lub pob zeb puas.
Cov neeg tua hluav taws tawm tsam feem cuam tshuam ntawm huab cua txias, uas ua rau qeeb qeeb ntawm kev kho thiab teeb tsa cov txheej txheem.
Tus kws cog lus tuaj yeem siv ib zaug txhua lub sijhawm tus txheej txheem kho tau xav tau ceev. Lub admixture yuav tso cai rau cov neeg ua haujlwm pob zeb ua kom tshem tawm cov ntawv ua ntej, tau mus rau saum npoo av ua ntej rau kev ua tiav, thiab qee zaum tseem muab cov khoom ntim rau nws ua ntej, xws li thaum muab kev sib tsoo ko taw los ua txhaws. Cov accelerator haum rau txhawb cov qhob ib qho tuaj yeem nrhiav tau yog:
sodium thiocyanatesthiab lwm yamthiocyanate cov ntsev
triethanolaminethiab lwm yamalkanolamines
cov khoom raws lisulfates, nitratesthiab tawm qauv
