1. Zithini imisebenzi yomgubo welatex ophinda unyibilike kwimortar?
Impendulo: Umgubo welatex ophinda uqhekeke ubunjwe emva kokusasazeka kwaye usebenza njengesincamathelisi sesibini ukuqinisa ikhonkco; i-colloid ekhuselayo ifunxwa yinkqubo ye-mortar (ayiyi kuthiwa yonakalisiwe emva kokufuduka. Okanye isasazwe kabini); i-polymerization ebunjiweyo I-resin ebonakalayo isasazwa kuyo yonke inkqubo ye-mortar njengento yokuqinisa, ngaloo ndlela yonyusa ukuhlangana kwe-mortar.
2. Zithini imisebenzi yomgubo welatex ophinda unyibilike kwimortar emanzi?
Impendulo: Phucula ukusebenza kolwakhiwo; phucula ukutyibilika kwamanzi; nyusa ukumelana nethixotropy kunye nokuwa; phucula ukuhambelana; kwandisa ixesha lokuvula; phucula ukugcinwa kwamanzi;
3. Zithini imisebenzi yomgubo welatex ophinda unyibilike emva kokuba umxube ulungisiwe?
Impendulo: yonyusa amandla okutsalwa; yonyusa amandla okugoba; yonyusa imodulus ethambileyo; yonyusa ukuguguleka; yonyusa uxinano lwezinto; yonyusa ukumelana nokuguguleka; yonyusa amandla okunamathelana; Inomoya opholileyo ongcono kakhulu (yongeza umgubo werabha ophobisayo).
4. Zithini imisebenzi yomgubo welatex ophinda unyibilike kwiimveliso ezahlukeneyo zomgubo owomileyo?
01. Isincamathelisi sethayile
① Impembelelo kwimota entsha
A. Yandisa ixesha lokusebenza kunye nexesha elihlengahlengiswayo;
B. Ukuphucula ukusebenza kokugcinwa kwamanzi ukuqinisekisa ukuchaphaza kwamanzi kwesamente;
C. Phucula ukumelana nokuwa (umgubo werabha ohlengahlengisiweyo okhethekileyo)
D. Ukuphucula ukusebenza kakuhle (kulula ukwakha kwi-substrate, kulula ukucinezela ithayile kwi-adhesive).
② Impembelelo kwisamente esiqinileyo
A. Inamathela kakuhle kwii-substrates ezahlukeneyo, kuquka ikhonkrithi, iplasta, umthi, iithayile ezindala, iPVC;
B. Phantsi kweemeko ezahlukeneyo zemozulu, iyakwazi ukuziqhelanisa kakuhle.
02. Inkqubo yokukhusela udonga lwangaphandle
① Impembelelo kwimota entsha
A. Yandisa iiyure zokusebenza;
B. Ukuphucula ukusebenza kokugcinwa kwamanzi ukuqinisekisa ukufuma kwesamente;
C. Ukuphucula ukusebenza kakuhle.
② Impembelelo kwisamente esiqinileyo
A. Inamathela kakuhle kwibhodi ye-polystyrene nakwezinye izinto ezisetyenziswa phantsi kwayo;
B. Ukuguquguquka okugqwesileyo kunye nokumelana nempembelelo;
C. Ukuvuleka komphunga wamanzi okugqwesileyo;
D. Ukuthintela kakuhle amanzi;
E. Ukumelana nemozulu kakuhle.
03. Ukuzilinganisa
① Impembelelo kwimota entsha
A. Ukuncedisa ekuphuculeni ukuhambahamba;
B. Phucula ubumbano kwaye unciphise ukwahlulwahlulwa kwezinto;
C. Nciphisa ukwakheka kwamaqamza;
D. Ukuphucula ukuguda komphezulu;
E. Kuphephe ukuqhekeka kwangethuba.
② Impembelelo kwisamente esiqinileyo
A. Ukuphucula ukumelana nokuqhekeka kokuzilinganisa;
B. Ukuphucula amandla okugoba kokuzilinganisa;
C. Kuphucula kakhulu ukumelana nokuguguleka kokuzilinganisa;
D. Ukwandisa kakhulu amandla okubopha okuzilinganisa.
04. I-Putty
① Impembelelo kwimota entsha
A. Ukuphucula ukwakheka;
B. Yongeza ukugcinwa kwamanzi okongezelelweyo ukuphucula ukufuma kwamanzi;
C. Ukwandisa ukusebenza kakuhle;
D. Kuphephe ukuqhekeka kwangethuba.
② Impembelelo kwisamente esiqinileyo
A. Nciphisa i-modulus ye-elastic ye-mortar kwaye wonyuse ukuhambelana komaleko wesiseko;
B. Yandisa ukuguquguquka kwaye uxhathise ukuqhekeka;
C. Ukuphucula ukumelana nokuphuma komgubo;
D. Ukufunxwa kwamanzi ngamanzi okanye ukunciphisa ukufunxwa kwawo;
E. Yandisa ukunamathela kumaleko osisiseko.
05. Idaka elingangeni manzi
① Impembelelo kwisamente esitsha:
A. Ukuphucula ukwakheka
B. Yandisa ukugcinwa kwamanzi kwaye iphucule ukufuma kwesamente;
C. Ukwandisa ukusebenza kakuhle;
② Impembelelo kwidaka eliqinileyo:
A. Nciphisa i-modulus ye-elastic ye-mortar kwaye uphucule ukuhambelana komaleko wesiseko;
B. Yandisa ukuguquguquka, imelane nokuqhekeka okanye ube nokukwazi ukubopha;
C. Ukuphucula uxinano lwesamente;
D. Ukungathandi amanzi;
E. Yandisa amandla adibeneyo.
Ixesha lokuthumela: Matshi-31-2023