Shrinkage libakeng tse mamelle, joalo ka litlolo le konkreite, ke bothata bo tloaelehileng bo ka lebisang ho mefokolo le mefokolo ea mefokolo. Ntho ena e hlahang e hlaha ka lebaka la tahlehelo ea metsi a tsoang motseng, e bakang phokotsong ea molumo. Maano a fapa-fapaneng a hiriloe ho fokotsa shrinkage, e mong oa eona e kenyelletsa ho kenyelletsa polymer phofo ea polymer phofo. RDPS e sebelisoa haholo thepa ea kaho ho ntlafatsa thepa, ho feto-fetoha le maemo, ho ts'oana le ho boloka metsi.
Sebopeho le mochini oa RDP
Liponehelo tsa polyer tse khutlisoang ke lits'ila ka ho fokotsa liqoso tse senyehileng tsa polymer tsa li-polyl acele. Ha ho eketsoa metsoako e ommeng, li-RD - li ka retoa ka metsing, li etsa poelst ea polymer, e etsa filimi ea polymmes ka har'a matrix ea polymer.
Mochine oo rdp o fokotsa shrinkage e multicage e multicacped:
Ho Boloka Mebala: Rd - RDPS ntlafatsa bophahamo ba metsi a ho khutla ka metsing. Sena se nka nako e telele ea samente, e fokotsa shrunkage ea lilemo tse etsahalang pele ka lebaka la tahlehelo ea metsi a potlakileng.
Phello ea lifilimi: Ha likarolo tsa RDP li lula filiming e tsoelang pele, li etsa netweke e feto-fetohang e ka rekisang sebopeho sa ho thefuleha.
Ho fetoha le ho feto-fetoha le maemo
Ho phefumoloha ka hare: likaroloana tsa polymer li ka sebetsa joaloka metsi, butle-butle a li lokolla ka nako e fetang nako le ho etsa hore e phehe. Sena se fokotsa ntlafatso ea khatello ea maikutlo nakong ea ho foqoha ha mapheoana.
Litlamorao ho phokotso ea shrinkage
Shrinkage ea pele ea pele
Ho pharalla ha lilemo tse 24 ho fihlela tse 24 ho isa ho tse 48 ka mor'a ho kopanya, ho ba ka lebaka la tahlehelo ea metsi kapa konkreite. Rdps e kenya letsoho ho fokotsa mofuta ona oa shrinkage ka:
Ho fokotsa mouoane: Movie ea Poomer e leng holim'a metsi a mangata, ka ho etsa joalo e boloka mongobo o mong o itseng ka har'a boitsebiso.
Ho ntlafatsa maemo a foromang: Ka ho boloka metsi ka har'a motsoako ona, thuso ho netefatsa hore mapetso a sehlōhō a fokotseha.
Ho omisa shrinkage
Ho omisa shrinkage ho hlaha nako e telele nako e telele ha thepa e lahleheloa ke metsi tikolohong e potileng. Rdps MItigate e omisa shrinkage ho mefuta e 'maloa ea mechini:
Flemer filforment: Khokahano ea polymer ea polymer kahare ho Matrix e ka fokotsa hanyane ka ntle, ho amohela liphetoho tse amanang le ho omella.
Tsamaiso ea khatello ea khatello ea khatello ea khatello ea khatello ea maikutlo: Boteng ba marang-rang a polytric o thusa ho tsamaisa khatello ea maikutlo e ka hare, fokotsa monyetla oa hore ho na le monyetla oa ho sithabetsoa ke khatello ea maikutlo e ka uhelang.
Phokotso ea molaoli ea capillary: filimi ea polymer har'a mampoli a capillary e fokotsa tšabo ea tente ea capnillary ea ho khanna shrinkage.
Melemo ea Likopo tsa Kaho
Ho Hlokobelitsoe Ho Tšoara
Ho kenyelletsa RDP ho lisebelisoa tsa mabenkele ha li fokotse shrinkage empa hape e ntlafatsa ho tšoarella. Filymer ea polymer e feto-fetoha le matrix e ka botsang microcracks, e thibela ho phatlalatsoa ha tsona ka mapetso a maholo a tlotsang botšepehi ba bona ba ho tlohela botšepehi ka sebopeho. Sena se lebisa ho hanyetsanang le mabaka a tikoloho a kang ho fawze-thaw concecks, le a sofar.
Ho ntlafatsoa ho ntlafatsa
RDP-e fetotseng litlolo tsa litlolo tsa RDP le litokelo tse pontšang ho ntlafatsa, ho li etsa hore ho be bonolo ho etsa kopo le ho qeta. Sena se ka ba molemo haholo likopo tse hlokang le likarolo tse bolokiloeng, tse kang ho theola kapa li khabisa licheleteng.
Hodhesion le matla a ho tšoarella
Rdps ho ntlafatsa phallo ea lisebelisoa tsa makhomehi ho tsebiso e fapaneng, ho kenyelletsa konkreite, masonry le tšepe. Sena ke se bohlokoa ka likokoana tse kang likhakanyo tsa thabo, moo lisebelisoa tsa thuto e ka ntle, moo matla a tlamo a bohlokoa bakeng sa ts'ebetso le ho phela nako e telele.
Ho fapanyetsana ka ts'ebeliso
RDPS e ka sebelisoa lihlahisoa tse ngata tsa kaho, ho kopanyelletsa le lipapatso tsa Tile, litlokotsi tsa ho iphahamisa, ho lokisa litsamaiso tsa mantsoe a qaqileng Bokhoni ba bona ba ho fokotsa ho kuta shrinkhate le ho ntlafatsa thepa e 'ngoe ho ba etsa hore ba be le tsebo e fetelletseng e loketseng ho loketseng ka ho fetisisa ea kaho ea kaho ea kaho ea kaho ea kaho ea kaho.
Lithupelo tsa linyeoe le likopo tse sebetsang
Meriana ea lithaele
Ka likhoebo tsa Tile, li-RDPs li bapala karolo ea bohlokoa ea ho fokotsa shrinkage, netefatsa hore lithaele li lula li fokola ntle le kotsi ea ho roala kapa ho senyeha. Ho ba le moea o ntlafalitsoeng le ho fetoha le maemo
Lokisa litlebo
Litokisetso tse fetotsoeng le melumo e fetotsoeng le litlokotsebelo tse fokotsehileng, e leng bohlokoa bakeng sa ho thibela ho etsoa ha mapetso a macha a mapetso a manyane. Kholiseho e ntlafalitsoeng le ho bokolla e boetse e tiisa hore kamano ea ho lokisa hantle ka sebopeho se seng se ntse se le teng, ho fana ka tharollo e sa feleng.
Lits'oaetso tsa ho Iphahamisa
Metsoako ea boithati, li-rdps tse kenyang letsoho ho boreleli, ebile e le sebakeng sa shringal. Sena ke sa bohlokoa ka ho khetheha likopo moo mokatong o phahameng o nyatsang, joalo ka litlhophisong tsa indasteri kapa tsa khoebo.
Powercked polymer Pwdds e bapala karolo ea bohlokoa ka lisebelisoa tsa mastinage, ka ho etsa joalo, ho ntlafatsa lihlahisoa tsa kaho. Ka mekhoa e kang ho boloka metsi, ho ajoa ha lifilimi, li-RD - li fokotsa mochesong le ho omisa phephetso ea mantlha ea ho haha. Ho fokola le katleho ea bona ho etsa hore ba ekeletsoe likopanong tse ngata likolong tse fapaneng, ho tsoa litlhare tsa lithaele ho li lokisa malakala le ho iphumanela liaparo. Ka ho kenyelletsa RDP, indasteri ea kaho e ka ba teng, e tšepahalang le e khahlisang le e khahlisang le e tlatsetsa manyokhoe a manyokhoe le polokeho ea meaho e hahiloeng.
Poso: Feb-18-2025