1. Zotsatira za kusintha kwa simenti zimakhudzidwa ndi ma admixtures

Lingaliro lakale la magawo awiri atha kufotokozera bwino momwe mapulasitiki amagwirira ntchito powonjezera zochepetsera madzi ku konkire. Kwa ma konkire omwe amasakanikirana ndi zowonjezera zosiyanasiyana za konkire, ngakhale kuchuluka kwa simenti yogwiritsidwa ntchito kwachepetsedwa mpaka kufika pamlingo wina, kuchuluka kwa madzi ochepetsera omwe akuwonjezeredwa kuwirikiza kawiri konkire wamba. Gawo ili la kafukufuku liyenera kukopa chidwi cha ogwira ntchito. Kuphatikiza apo, m'makonkire amphamvu kwambiri, mphamvu ndi kusintha kwamphamvu kwa konkriti yokonzedwa ndi ma superplasticizers osiyanasiyana ndizosiyana kwambiri. Chifukwa cha chodabwitsa ichi chiyenera kukhala chogwirizana kwambiri ndi zotsatira za surfactants pa simenti hydration. Konkire yothamanga kwambiri yokhala ndi simenti yamadzi yosakanikirana ndi plasticizers idzawonetsa zochitika za "mbale" mphindi khumi mutatha kusakaniza, ndiko kuti, pambuyo pa kugwa konkire, posachedwa idzawonetsa zochitika zabodza ngati sizikugwedezeka, ndipo konkire yapansi imakhala yovuta kwambiri. Komabe, chodabwitsa ichi sichidziwika mu zosakaniza wamba konkire popanda plasticizers. Momwe mungapewere ndi kufotokoza vuto ili ndikofunikira kukambirana.

2. Kusintha kwa simenti kumakhudzidwa ndi ma admixtures

Mu ndondomeko yeniyeni yomanga, vuto loterolo nthawi zambiri limapezeka, ndiye kuti, pansi pa chiŵerengero chosakanikirana chosakanikirana, mlingo wosakanikirana ndi zinthu zomanga, mtundu ndi mtanda wa simenti kapena admixtures kusintha, zomwe zimachititsa kusiyana kwakukulu kwa fluidity ndi kugwa kwa konkire kukhazikitsidwa. Chifukwa chachikulu cha izi ndikuti zinthu monga mchere wa simenti, gypsum wokhazikika komanso kukonza simenti zimatsogolera kukhazikika mwachangu pakusakaniza konkire. Choncho, phunziro lathunthu la vuto la kusinthasintha kwa simenti ndilothandiza kuti azitha kugwiritsa ntchito njira yogwiritsira ntchito komanso mlingo wa admixtures.

3. Chikoka cha ntchito chilengedwe pa zotsatira za admixtures

Kwa ma konkriti omwe ali ndi mapulasitiki osiyanitsa, pamene kutentha kwa chilengedwe kuli koyenera, kugwa ndi kutayika kwa konkire kumakhala bwino kwambiri kuposa zomwe zimapezedwa pansi pa kutentha kwakukulu ndi kuuma, koma ngati m'nyengo yozizira konkire ilibe kusiyana kwakukulu, zomwe zidzakhudza ntchito yomanga mpaka kufika pamlingo wina.