Ukufakwa kobushushu ngaphandle kodonga lwangaphandle kukubeka ijazi lobushushu kwisakhiwo. Le jazi yobushushu akufuneki igcine ubushushu kuphela, kodwa ikwafanele ibe ntle. Okwangoku, inkqubo yokufakelwa kobushushu yangaphandle yelizwe lam ibandakanya ikakhulu inkqubo yokufakelwa kobushushu kwibhodi ye-polystyrene eyandisiweyo, inkqubo yokufakelwa kobushushu kwibhodi ye-polystyrene ekhutshiweyo, inkqubo yokufakelwa kobushushu kwi-polyurethane, inkqubo yokufakelwa kobushushu kwi-latex powder polystyrene particle, inkqubo yokufakelwa kobushushu kwi-inorganic vitrified bead, njl. Ukufakwa kobushushu ngaphandle akufanelanga kuphela ukufudumeza izakhiwo kwiindawo ezisemantla ezifuna ukugcinwa kobushushu ebusika, kodwa nakwizakhiwo ezine-air-conditioner kwiindawo ezisemazantsi ezifuna ukufakelwa kobushushu ehlotyeni; ifanelekile kwizakhiwo ezintsha kunye nokuhlaziywa okonga amandla kwezakhiwo ezikhoyo; ukuhlaziywa kwezindlu ezindala.
① Isiphumo sokongeza umgubo welatex ophinda uchitheke kwisamente esandula ukuxutywa yenkqubo yokukhusela udonga lwangaphandle:
A. Yandisa iiyure zokusebenza;
B. Ukuphucula ukusebenza kokugcinwa kwamanzi ukuqinisekisa ukufuma kwesamente;
C. Ukuphucula ukusebenza kakuhle.
② Isiphumo sokongeza umgubo welatex ophinda uchitheke kwisamente esiqinileyo senkqubo yokukhusela udonga lwangaphandle:
A. Ukunamathela kakuhle kwibhodi ye-polystyrene nakwezinye izinto ezisetyenziswa phantsi komhlaba;
B. Ukuguquguquka okugqwesileyo kunye nokumelana nempembelelo;
C. Ukuvuleka komphunga wamanzi okugqwesileyo;
D. Ukungathandi amanzi kakuhle;
E. Ukumelana nemozulu kakuhle.
Ukuvela kwezincamathelisi zethayile, ukuya kuthi ga kwinqanaba elithile, kuqinisekisa ukuthembeka kwentlama yethayile. Imikhwa eyahlukeneyo yokwakha kunye neendlela zokwakha zinemfuno ezahlukeneyo zokusebenza kokwakha kwizincamathelisi zethayile. Kwisakhiwo sangoku sentlama yethayile yasekhaya, indlela yokuncamathelisa etyebileyo (intlama yokuncamathelisa yendabuko) iseyindlela eqhelekileyo yokwakha. Xa kusetyenziswa le ndlela, iimfuno zentlama yethayile: kulula ukuyixuba; kulula ukuyisebenzisa iglu, imela enganamatheliyo; i-viscosity engcono; i-anti-slip engcono. Ngophuhliso lwetekhnoloji yokuncamathelisa ithayile kunye nokuphuculwa kwetekhnoloji yokwakha, indlela ye-trowel (indlela yokuncamathelisa ebhityileyo) nayo iyamkelwa kancinci kancinci. Ngokusebenzisa le ndlela yokwakha, iimfuno zentlama yethayile: kulula ukuyixuba; imela enamathelayo; ukusebenza ngcono kokungatyibiliki; ukumanzi okungcono kwiithayile, ixesha elide lokuvula.
① Isiphumo sokongeza umgubo welatex ophinda uchitheke kwi-mortar esandul’ ukuxutywa ye-adhesive yethayile:
A. Yandisa ixesha lokusebenza kunye nexesha elihlengahlengiswayo;
B. Ukuphucula ukusebenza kokugcinwa kwamanzi ukuqinisekisa ukufuma kwesamente;
C. Phucula ukumelana nokuwa (umgubo welatex oguquliweyo okhethekileyo)
D. Ukuphucula ukusebenza kakuhle (kulula ukwakha kwi-substrate, kulula ukucinezela ithayile kwi-adhesive).
② Isiphumo sokongeza umgubo welatex ophinda unyibilike kwi-tile adhesive hardening mortar:
A. Inamathela kakuhle kwii-substrates ezahlukeneyo, kuquka ikhonkrithi, iplasta, umthi, iithayile ezindala, iPVC;
B. Phantsi kweemeko ezahlukeneyo zemozulu, iyakwazi ukuziqhelanisa kakuhle.
Ixesha lokuthumela: Matshi-16-2023