Poyamba, zosakaniza zinkagwiritsidwa ntchito posungira simenti.Ndi chitukuko cha luso zomangamanga, kuwonjezera admixtures wakhala muyeso waukulu kusintha ntchito konkire.
Zosakaniza za konkire zimatanthawuza zinthu zomwe zimawonjezeredwa kuti ziwongolere ndikuwongolera magwiridwe antchito a konkriti.Kugwiritsiridwa ntchito kwa zosakaniza za konkire mu uinjiniya kukulandira chidwi chowonjezereka.Kuphatikizika kwa ma admixtures kumakhala ndi gawo lina pakuwongolera magwiridwe antchito a konkriti, koma kusankha, njira zowonjezera, ndi kusinthika kwa zosakaniza zidzakhudza kwambiri chitukuko chawo.
Chifukwa cha kupezeka kwa zinthu zochepetsera madzi, konkire yamadzimadzi kwambiri, konkire yodzipangira yokha, ndi konkire yamphamvu kwambiri yagwiritsidwa ntchito;Chifukwa cha
kupezeka kwa thickeners, ntchito ya pansi pa madzi konkire wakhala bwino.Chifukwa cha kukhalapo kwa ma retarders, nthawi yoyika simenti yawonjezedwa, zomwe zimapangitsa kuti kuchepetsa kuchepa ndikuwonjezera nthawi yomanga.Chifukwa cha kukhalapo kwa antifreeze, malo oundana a yankho lachepetsedwa, kapena kusinthika kwa mawonekedwe a ice crystal sikumayambitsa chisanu.
Zowonongeka mu konkriti yokha:
Kuchita kwa konkire kumatsimikiziridwa ndi chiŵerengero cha simenti, mchenga, miyala, ndi madzi.Pofuna kukonza magwiridwe antchito a konkriti, gawo la zopangira zitha kusinthidwa.Koma nthawi zambiri izi zimabweretsa zotayika kumbali ina.Mwachitsanzo, kuti muwonjezere madzi a konkire, kuchuluka kwa madzi ogwiritsidwa ntchito kumatha kuwonjezeka, koma izi zidzachepetsa mphamvu ya konkire.Pofuna kupititsa patsogolo mphamvu yoyambirira ya konkire, kuchuluka kwa simenti kumatha kuwonjezeka, koma kuwonjezera pa kuwonjezereka kwa ndalama, kungapangitsenso kuchepa ndi kugwa kwa konkire.
Ntchito ya konkriti admixtures:
Kugwiritsa ntchito konkriti admixtures kungapewe zolakwika zomwe tatchulazi.Muzochitika zomwe zimakhudzidwa pang'ono ndi zinthu zina za konkire, kugwiritsa ntchito konkriti konkriti kumatha kusintha kwambiri mtundu wina wa konkriti.
Mwachitsanzo, malinga ngati 0,2% mpaka 0,3% kashiamu lignosulfonate kuchepetsa wothandizila madzi anawonjezera kuti konkire, kugwa kwa konkire akhoza ziwonjezeke kawiri popanda kuwonjezera kuchuluka kwa madzi;Malingana ngati 2% mpaka 4% sodium sulphate calcium shuga (NC) imawonjezeredwa ku konkire, imatha kusintha mphamvu yoyambirira ya konkire ndi 60% mpaka 70% popanda kuwonjezera kuchuluka kwa simenti, komanso kumapangitsanso konkriti. mphamvu mochedwa konkire.Kuwonjezera anti crack compactor kumatha kupititsa patsogolo kukana kwa ming'alu, kusasunthika, komanso kulimba kwa konkriti, kupititsa patsogolo mphamvu zanthawi yayitali.
Nthawi yotumiza: May-29-2023