Chimodzi mwazinthu zazikulu kwambiri pakati pa matope osakanikirana ndikuti matope osakanikirana owuma amasinthidwa ndi zowonjezera zochepa zamankhwala. Kuonjezera imodzi yowonjezera pa matope a ufa amatchedwa kusinthidwa koyambirira, kuwonjezera ziwiri kapena zingapo zowonjezera kumatchedwa sekondale. Khalidwe la matope owuma limatengera kusankha koyenera komanso kolumikizana ndi kufanana ndi zinthu zosiyanasiyana. Chifukwa zowonjezera zamankhwala ndizokwera mtengo kwambiri, ndipo zimakhudza kwambiri matope owuma. Chifukwa chake, mukasankha zowonjezera, kuchuluka kwa zowonjezera ziyenera kupatsidwa ntchito yofunika kwambiri. Izi ndizoyambira mwachidule njira zosankhira mankhwala owonjezera ma cellulose ether ether.
Cellulose ether amatchedwanso Rheology Mowairiier, osakaniza omwe amagwiritsidwa ntchito kusinthitsa zitamba zamitundu yosakanikirana, ndipo imagwiritsidwa ntchito pafupifupi matope amtundu uliwonse. Zinthu zotsatirazi ziyenera kulingaliridwa posankha mitundu yake ndi mlingo:
(1) Kusunga kwamadzi pamalo osiyanasiyana;
(2) Kukula kwake, mamasukidwe;
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(4) Fomu ndi kuchuluka kwa chikondwerero;
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(6) Kuthamanga kofananira, mikhalidwe ndi kukwanira kwa kusungunuka.
Kuphatikiza pa kuwonjezera ma cellulose ether (monga methyl cellulose ether) kuti matope am'madzi, polyvinyl acid vinyl ester amathanso kuwonjezeredwanso, ndiye kuti, kusintha kwachiwiri. Mabanki opanga (simenti, gypsum) mu matope amatha kutsimikizira kulimba kwambiri, koma sangakhale ndi mphamvu zambiri pamphamvu komanso mphamvu yothera. Polyvinyl acetate amalimbitsa kaphikidwe kakang'ono mkati mwa miyala yamiyala, yomwe imapangitsa matope kuti athe kupirira katundu wambiri ndikuthamangitsidwa. Zochita zatsimikizira kuti kuwonjezera kuchuluka kwa methyl cellulose ether ether etherl acita Kuthira pansi, etc. Kusakaniza awiriwo sikungangokulitsa matope abwino, komanso kukonza bwino ntchito yomanga.
Pogwiritsa ntchito, pofuna kukonza magwiridwe ake, ndikofunikira kugwiritsa ntchito zowonjezera zingapo. Pali chiwerengero chokwanira chofanizira pakati pa zowonjezera. Malingana ngati gawo limodzi ndi kuchuluka kwake ndizoyenera, zimatha kukonza matope kuchokera mbali zosiyanasiyana. Komabe, zikagwiritsidwa ntchito mokha, kusintha kwa matope ndi kochepa, ndipo nthawi zina ngakhale zovuta, monga kuwonjezera matope okha, ndikukulitsa kuchuluka kwa matope, kumawonjezera kuchuluka kwa matope ndi Sungani mkati mwa malo otsekemera, zomwe zimabweretsa kuchepa kwamphamvu kwamphamvu; Akasakanikirana ndi wothandizira wa mpweya, ngakhale kuti matope amatha kuchepetsedwa kwambiri, ndipo kumwa madzi kumachepetsedwa kwambiri, koma mphamvu yovuta kwambiri ya matope idzachepa kwambiri chifukwa cha thovu zambiri. Pofuna kukonza matongeya kwa matonge ku matope a matope ambiri, ndipo nthawi yomweyo pewani zovuta zina za matope, kuchuluka kwa matope am'maso ayenera kukwaniritsa zofunikira za polojekiti ndi luso loyenera kufotokozera. Nthawi yomweyo, palibe phala la laimu lomwe limagwiritsidwa ntchito, kuteteza kwa simenti, kutetezedwa kwa chilengedwe, ndi zina zambiri, ndikugwiritsa ntchito magwiridwe antchito, kusunthika kwamadzi ndikukula, ndipo Mapulogalamu owuma a mpweya.
Post Nthawi: Meyi-08-2023