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Mumakore achangopfuura, indasitiri yekuvaka yakaona shanduko huru pakushandiswa kwekongiri inoshanda zvakanyanya kuti isangane nezvinodiwa zvemapurojekiti emazuva ano ezvivakwa. Chimwe chezvinhu zvakakosha zvekongiri inoshanda zvakanyanya isimbi inosunga, iyo inobatanidza zvidimbu zve aggregate pamwe chete ...Verenga zvakawanda»
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Dura chinhu chakakosha chekuvaka chinoshandiswa mumapurojekiti makuru nemadiki ekuvaka. Kazhinji chinosanganisira simende, jecha nemvura pamwe chete nezvimwe zvinowedzerwa. Zvisinei, nekufambira mberi kwetekinoroji, zvinhu zvakawanda zvinowedzerwa zvakaunzwa kuti zvivandudze simba rekubatanidza, kuchinjika uye ...Verenga zvakawanda»
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Hydroxypropyl methylcellulose (HPMC) ipolymer yechisikigo inowanzoshandiswa mumaindasitiri akasiyana-siyana anosanganisira chikafu, mishonga uye kuvaka. Muindasitiri yekupeta, HPMC inoonekwa sechinhu chinodiwa nekuda kwehunhu hwayo hwakasiyana, zvichiita kuti ive chinhu chakakosha mukushanda kwepamusoro...Verenga zvakawanda»
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Cellulose ethers dzinoshandiswa zvakanyanya muindasitiri yezvekuputira mvura. Yakagadzirwa ne cellulose, iyo polymer yechisikigo inowanikwa mumadziro emasero emiti. Cellulose ethers inoshandiswa kuvandudza hunhu hwezvekuputira mvura, zvichiita kuti zvive nyore kuisa uye kugara kwenguva refu. Zvekuputira mvura...Verenga zvakawanda»
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Gypsum yakabviswa sulfur ibasa rinobva mukushandiswa kwekubvisa sulfur mumagetsi anofambiswa nemarasha kana mamwe makambani anoshandisa mafuta ane sarufa. Nekuda kwekudzivirira kwayo moto zvakanyanya, kudzivirira kupisa uye kudzivirira hunyoro, yave ichishandiswa zvakanyanya muindasitiri yekuvaka semeti yekuvaka...Verenga zvakawanda»
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Sechinhu chinoshanda mabasa akawanda uye chisingakuvadzi nharaunda, cellulose ether yave ichishandiswa zvakanyanya muzvikamu zvakasiyana-siyana zvakaita sekuvaka, indasitiri yechikafu, indasitiri yemishonga, uye indasitiri yemachira. Pakati pazvo, cellulose ether yave ichikwezva kutariswa kwakawanda nekuda kwekushandiswa kwayo...Verenga zvakawanda»
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Polyanionic cellulose (PAC) ipolymer inonyungudika mumvura inoshandiswa zvakanyanya muindasitiri yepeturu sekuwedzera kwemvura inocherwa. I polyanionic derivative ye cellulose, inogadzirwa nekuchinja kwemakemikari e cellulose ne carboxymethyl. PAC ine hunhu hwakanaka hwakadai sekunyungudika kwemvura yakawanda,...Verenga zvakawanda»
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Kwemazana emakore, masonry neplaster mortar zvakashandiswa kugadzira zvivakwa zvakanaka uye zvinogara kwenguva refu. Mamortar aya anogadzirwa nemusanganiswa wesimende, jecha, mvura nezvimwe zvinowedzerwa. Hydroxypropyl methylcellulose (HPMC) chimwe chezvinowedzera zvakadaro. HPMC, inozivikanwawo sehypromellose, icellul yakagadziriswa...Verenga zvakawanda»
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Zvinonamira zvemataira zvinowanzo shandiswa muindasitiri yekuvaka kugadzira chisungo chakasimba uye chinogara kwenguva refu pakati pemataira nemidziyo. Zvisinei, kuwana chisungo chakachengeteka uye chinogara kwenguva refu pakati pemataira nemidziyo kunogona kuoma, kunyanya kana pamusoro pemidziyo isina kuenzana, yakasvibiswa kana...Verenga zvakawanda»
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Musanganiswa wekuzvienzanisa ipurasitiki inoshandiswa kugadzira nzvimbo yakati sandara uye yakaenzana yekuisa mataira kana zvimwe zvinhu zvepasi. Mishonga iyi inogadzirwa nezvinhu zvakasiyana-siyana, asi chimwe chezvinhu zvinonyanya kukosha iHPMC (hydroxypropyl methylcellulose). HPMC inoita basa rakakosha mukugadzira...Verenga zvakawanda»
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Gypsum chinhu chinoshandiswa pakuvaka chinoshandiswa pakushongedza madziro mukati nekunze. Chinozivikanwa nekuda kwekugara kwenguva refu, runako rwayo, uye kusatsva. Zvisinei, pasinei nemabhenefiti aya, plaster inogona kutsemuka nekufamba kwenguva, izvo zvinogona kukanganisa kunaka kwayo uye kukanganisa chitarisiko chayo. Plaster crac...Verenga zvakawanda»
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Mapendi agara ari chikamu chakakosha chemaindasitiri akasiyana-siyana, kubva pakuvaka nemotokari kusvika pakurongedza nefenicha. Pendi dzinoshanda mabasa akawanda akadai sekushongedza, kudzivirira, kuramba ngura uye kuchengetedza. Sezvo kudiwa kwemhando yepamusoro, inogara kwenguva refu uye isina njodzi kunharaunda...Verenga zvakawanda»