Semashoko akakosha mumabasa ekuvaka, masonry mormar kuita anokanganisa zvakananga kunaka uye kusimba kwechivako. MuMasonry Dorare, Kuchengeta kwemvura ndeimwe yezviratidzo zvakakosha izvo zvinosarudza kushanda kwayo uye simba rekupedzisira. HydroxyPropyl methyl celler (HPMC, hydroxypropyl methyl cellelose) inowanzo shandiswa inoshandiswa inoshandiswa kuvandudza kuchengetedza kwemvura.
1. Molecular chimiro cheHPMC
HPMC ndeye isiri-ionic cellulose ether, uye chimiro chayo cheMorecular chine kukosha kwakakosha pakuita kwemvura kwekuita kwemutumbi. Iyo molecular uremu uye degree rekutsiva Yakakwira mamekisi uye madhigiriji ekutsiva kazhinji anowedzera kudzokorora kwemvura zvivakwa zvemauto nekuti ivo vanokwanisa kuumba imwe nzvimbo yakagadzikana collodal system mudhaka uye kuderedza kubuda kwemvura uye kuderedza mvura.
2. Kuwedzera huwandu hweHPMC
Iyo huwandu hweHPMC yakawedzerwa chinhu chakananga chinhu chinokanganisa kuchengetwa kwemvura kwemutumbi. Mari yakakodzera yeHPMC inogona kuvandudza zvakanyanya iyo yekuchengetwa kwemvura yekuchengetwa kwemotokari, ichibvumira kuti irambe yakanaka yekushanda mumamiriro ezvinhu akaoma. Nekudaro, huwandu hwakawandisa hweHPMC zvinogona kukonzera kuti dhaka kuve yakawandisa viscous, kuwedzera kuvaka kuvaka, uye kunyange kuderedza simba. Naizvozvo, mune zvinoshanda zvinoshandiswa, huwandu hweHPMC hunoda kuve hwakanyatso kudzorwa zvinoenderana nezvinodiwa zvekuvaka uye mamiriro ezvinhu akatozvara.
3. Kuumbwa uye chikamu chevhu
Kuumbwa uye chikamu chevhuchecheche zvakare chinokanganisa zvakanyanya mvura yekuchengetwa kweHPMC. Inowanzoshandiswa motorari inosanganiswa inosanganisira simende, lime, yakanaka aggregate (jecha) nemvura. Mhando dzakasiyana uye zviyero zve simende uye yakanaka aggregate ichakanganisa kugoverwa kwechikamu uye dhizaini yemota, nekudaro ichichinja kushanda kweHPMC. Semuenzaniso, jecha rakajeka uye huwandu hwakaringana hwemafirimu hunogona kupa nzvimbo dzakawanda pamusoro, kubatsira HPMC kuti riparadze uye runganidze mvura.
4. Mvura-simende ratio
Mvura-simende Ratio (w / c) inoreva huwandu hwehuwandu hwemvura kusvika kuhusimbe muguruva, uye iparamende yakakosha inokanganisa kuita kwemutya. Chimiro chakakodzera chemvura chine mvura chinoita kuti ushande uye kusungirirwa kwemutya, uchinyatsoita hpmc kushandisa zvizere mari yekuchengetwa kwayo. Chimiro chepamusoro-chemvura chinobatsira hpmc kuti chigovaniswa mumutaundi uye chinovandudza chengetedzo yemvura, asi yakawandisa mvura yemvura inotungamira mukuderera kwemutyairi. Naizvozvo, simende yemvura inonzwisisika yekudzora inokosha yekuchengeta mvura yeHPMC.
5. Nzvimbo yekuvaka
Nzvimbo yekuvaka (yakadai sekushisa, kukurudzira uye kumhanya kwemhepo) kuchakanganisa zvakananga kuwanda kwemvura mumutero, nekudaro ichikanganisa iyo yekuchengetedza mvura yeHPMC. Munzvimbo ine nzvimbo nekushisa kwakanyanya, kunyorova kwakaderera uye mhepo ine simba, mvura inoparidza nekukurumidza. Kunyangwe muHupo hweHPMC, mvura iri muduri inogona kurasika nekukurumidza, zvichikonzera kuderedzwa kwemvura yekuchengetedza mvura. Naizvozvo, munzvimbo dzisina kunaka dzekuvaka, zvinowanzodiwa kugadzirisa dosage yeHPMC kana kutora imwe yekuchengetedza mvura matanho, sekufukidzira nemvura nekupfira kuporesa.
6. Kusanganisa maitiro
Maitiro ekusanganisa zvakare ane chakakosha kukanganiswa pane kupararira uye mhedzisiro yeHPMC muura. Yakwana uye yunifomu yekusanganisa inogona kugadzira HPMC iri kugoverwa zviri mumutumbi, gadzira yunifomu yemvura yekuchengetedza, uye kugadzirisa maitiro ekuchengetwa kwemvura. Isina kukwana kana kunyanyisa kumutsa ichakanganisa kupatsanurana kweHPMC uye kuderedza mari yayo yekuchengeta mvura. Naizvozvo, maitiro ekusanganisa zvine musoro ndiyo kiyi yekuve nechokwadi chekuti HPMC inogona kupa mari yekuchengetedza mvura.
7. Mhedzisiro yezvimwe zvinowedzera
Zvimwe zvinowedzera, zvakadai sekushambadzira kwemhepo-vamiririri, vamiririri vemvura, etc. Semuenzaniso, mhepo-inopinda mumhepo inokonzeresa kuchengetwa kwemvura yekuchengetera mongwe nekuunza mabhuru emhepo, asi mhepo yakawandisa yemhepo inogona kuderedza simba remufungo werudzi. Iyo yemvura-inoderedza mumiririri anogona kuchinja zvivakwa zve rateological yedhaka uye kukanganisa iyo yekuchengetedza mvura yeHPMC. Naizvozvo, kubatanidzwa neHPMC kunoda kufungwa nekusafungidzirwa kana uchisarudza uye kushandisa zvimwe zvinowedzera.
Zvinhu zvinokanganisa kuchengetwa kwemvura kweHPMC muMesoni Merare zvinonyanya kusanganisira chimiro cheHPMC, kuumbwa kweiyo dhizaini, iyo nzvimbo yemvura, iyo nzvimbo yekuvaka, iyo pesvedzero yezvimwe zvinowedzera. Izvi zvinhu zvinopindirana kuti uzive iyo yekuchengetwa kwemvura kushanda kweHPMC muMutya. Mune zvinoshanda zvinoshandiswa, izvi zvinhu zvinoda kusanzwisisika kutariswa uye madhiri uye maitiro ekuvaka eHPMC inoda kugadziriswa zvine musoro kuti uwedzere kuronga kwemvura uye kuve nechokwadi chekusimba uye kusimba kwekuvaka.
Kutumira Nguva: Kukadzi-17-2025