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;
.
(4) Fomu ndi kuchuluka kwa chikondwerero;
.
(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. Kuchita kwatsimikizira kuti kuwonjezera kuchuluka kwa methyl cellulose ether ether etherti matope a acita Kuchita bwino.
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 zimakhala zovuta, monga kuwonjezera matope okha, ndikumakulitsa kuchuluka kwa matope, komwe kumawonjezera kuchepa kwamadzi 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 a masondo kwa matongeya kwambiri, ndipo nthawi yomweyo pewani kuvulaza zinthu zina za matope, kuphatikiza ndi mphamvu za polojekiti kuyenera kukwaniritsa zofunikira za polojekiti ndi malingaliro aluso. Nthawi yomweyo, palibe phala la laimu lomwe limagwiritsidwa ntchito, kupulumutsa simenti, kutetezedwa kwa chilengedwe, ndi zina zambiri, kusunthika kwamadzi komanso kukula kwa madzi.
Post Nthawi: Meyi-08-2023