Kusanthula Kosavuta kwa Udindo wa Ma cellulose Etere Kusunga Madzi mu Dry Mixed Mortar

Mtondo wowuma wowuma umagwiritsidwa ntchito kwambiri pantchito zomanga chifukwa chosavuta komanso kugwiritsa ntchito bwino. Zimapangidwa ndi simenti, mchenga, ndi zowonjezera zina, monga cellulose ether, zomwe zimagwira ntchito yofunika kwambiri pakuwonetsetsa kuti matope akugwira ntchito. Makamaka, ether ya cellulose, yomwe imadziwikanso kuti Hydroxypropyl Methyl Cellulose (HPMC), imagwiritsidwa ntchito popititsa patsogolo kusungirako madzi mumatope osakaniza owuma, motero kumawonjezera kusasinthika kwake komanso kugwira ntchito kwake.

Madzi ndi ofunikira kwambiri pakupanga mphamvu kwa simenti, komwe amalumikizana ndi tinthu tating'ono ta simentiyo kuti apange mgwirizano wamphamvu womwe umaumitsa matopewo. Komabe, kutuluka kwamadzi kochuluka panthawi yowumitsa kapena kuikapo kungayambitse zinthu monga kusweka, kuchepa, ndi kuchepa kwa mphamvu. Apa ndipamene cellulose ether imayamba kugwira ntchito. Pophatikiza ether ya cellulose mumatope osakanizika owuma, mphamvu yosungira madzi imakhala yabwino kwambiri, ndikuchepetsa zovuta zomwe zimadza chifukwa cha kutuluka kwamadzi mwachangu.

Mu matope osakaniza owuma, cellulose ether imakhala ngati wothandizira madzi, zomwe zimathandiza kuti nthawi yayitali ya simenti ikhale ndi madzi. Njira yowonjezera ya hydration iyi imatsimikizira kuti matope amakhala ndi nthawi yokwanira kuti akhale ndi mphamvu zokwanira komanso zolimba. Ma cellulose ether mamolekyu amapanga chitetezo chozungulira tinthu tating'onoting'ono ta simenti, kuchepetsa kuchuluka kwa madzi a nthunzi ndikukulitsa kupezeka kwa madzi kwa hydration. Zotsatira zake, kusasinthasintha kwamatope kumawonjezeka, zomwe zimapangitsa kuti zikhale zosavuta kufalikira, nkhungu, ndi mawonekedwe panthawi yogwiritsira ntchito.

Komanso, cellulose ether kumawonjezera workability youma wosanganiza matope. Imagwira ntchito ngati mafuta, imachepetsa kukangana pakati pa zida zamatope ndikupangitsa kuti ikhale yosavuta kugwiritsa ntchito. Kuchita bwino kumeneku sikumangowonjezera zokolola komanso kumapangitsa kuti ntchito yomaliza ikhale yabwino. Kugwiritsiridwa ntchito kwa cellulose ether mumatope osakaniza owuma kumachepetsanso chiopsezo cha tsankho, pamene zinthu zomwe zimapangidwira zimasiyana panthawi yoyendetsa kapena kugwiritsa ntchito. Izi zimatsimikizira kusakaniza kofanana ndi kusasinthasintha kwa matope.

Kuphatikiza apo, kusungirako madzi kwa cellulose ether kumathandizira kuwongolera njira yochiritsa yamatope. Kuchiritsa koyenera ndikofunikira kuti zinthu zomangirazo zikhale zolimba komanso zolimba. Kuchuluka kwa hydration komwe kumaperekedwa ndi cellulose ether kumatsimikizira kuti matope amachiritsa mofanana komanso bwino, kuchotsa malo ofooka omwe angakhalepo komanso kupititsa patsogolo ntchito kwa nthawi yaitali.

Ndikoyenera kudziwa kuti ntchito ya cellulose ether mu matope owuma osakanizidwa sikumangokhalira kusunga madzi okha. Chowonjezera chosunthikachi chimapereka zabwino zina, monga kumamatira bwino, kung'ambika pang'ono, komanso kukana kupirira nyengo ndi mankhwala. Choncho, imatengedwa kuti ndi yofunika kwambiri pakupanga matope owuma apamwamba kwambiri.

Pomaliza, kusungirako kwa madzi a cellulose ether kumagwira ntchito yofunika kwambiri pakuchita matope owuma owuma. Imawonjezera kupezeka kwa madzi a simenti hydration, kumapangitsanso kusasinthasintha kwamatope, kugwira ntchito, komanso mtundu wonse wazinthu zomangira. Kuphatikizika kwa cellulose ether kumapangitsa kuti madzi azikhala ndi nthawi yayitali, amachepetsa kutuluka kwa madzi, ndikuthandizira kuwongolera njira yochiritsa. Chotsatira chake, matope owuma osakanikirana ndi cellulose ether amapereka ntchito yapamwamba, yolimba, komanso yolimba pa ntchito yomanga.