Ukuhlaziywa kwezimbangela zokuqhekeka kwe-plastering gypsum layer
1. Ukuhlaziywa kwesizathu sokuplasta kwe-gypsum eluhlaza
a) Ukhonkolo lwesakhiwo olungafanelekile
I-gypsum yokwakha iqukethe okuqukethwe okuphezulu kwe-dihydrate gypsum, okuholela ekuhlanganisweni okusheshayo kwe-gypsum yokukhonkolo. Ukuze wenze i-gypsum yokunamathisela ibe nesikhathi esifanele sokuvula, i-retarder eyengeziwe kufanele yengezwe ukwenza isimo sibe sibi kakhulu; i-gypsum anhydrous encibilikayo ekwakheni i-gypsum AIII Okuqukethwe okuphezulu, ukunwetshwa kwe-AIII kunamandla kune-β-hemihydrate gypsum esigabeni sakamuva, futhi ukuguqulwa kwevolumu ye-gypsum yokunamathisela akulingani ngesikhathi senqubo yokuphulukisa, okubangela ukuqhekeka okukhulu; okuqukethwe kwe-gypsum ye-β-hemihydrate elaphekayo ekwakheni i-gypsum iphansi, futhi ngisho nenani eliphelele le-calcium sulfate liphansi ;I-gypsum yokwakha isuselwa kumakhemikhali e-gypsum, ukucoleka kuncane, futhi kukhona izimpushana eziningi ezingaphezu kwe-400 mesh; usayizi wezinhlayiyana wokwakha i-gypsum eyodwa futhi akukho gradeation.
b) Izithasiselo ezingekho ezingeni
Akukho phakathi kwe-pH esebenza kakhulu ye-retarder; ukusebenza kahle kwejeli kwe-retarder kuphansi, inani lokusetshenziswa likhulu, amandla e-gypsum yokukhonkotha ancishiswa kakhulu, isikhawu phakathi kwesikhathi sokusetha sokuqala nesikhathi sokugcina sokugcina side; izinga lokugcinwa kwamanzi kwe-cellulose ether liphansi, ukulahlekelwa kwamanzi kuyashesha; i-cellulose ether incibilika kancane, ayifanele ukwakhiwa kokufutha ngomshini.
Isixazululo:
a) Khetha i-gypsum yokwakha efanelekayo futhi ezinzile, isikhathi sokusetha sokuqala singaphezu kwe-3min, futhi amandla aguquguqukayo angaphezu kwe-3MPa.
b) Khethai-cellulose etherngosayizi omncane wezinhlayiyana namandla okugcina amanzi amahle kakhulu.
c) Khetha iretarder engenamthelela omncane ekumisweni kwegypsum eplastiwayo.
2. Ukuhlaziywa kwesizathu sabasebenzi bezokwakha
a) Usonkontileka wephrojekthi uqasha abaqhubi abangenalo ulwazi lwezokwakha futhi akenzi ukuqeqeshwa kokungeniswa okuhlelekile. Izisebenzi zokwakha azikakwazi kahle izici eziyisisekelo kanye nezinto ezibalulekile zokwakha ze-gypsum yokunamathisela, futhi azikwazi ukusebenza ngokuvumelana nemithetho yokwakha.
b) Ukuphathwa kwezobuchwepheshe kanye nokuphathwa kwekhwalithi yeyunithi yezinkontileka zobunjiniyela akunamandla, abekho abasebenzi bokuphatha endaweni yokwakha, futhi ukusebenza okungahambisani nemithetho yabasebenzi akukwazi ukulungiswa ngesikhathi;
c) Iningi lemisebenzi yokuplasta ekhona kanye ne-gypsum plastering isesimweni sokuhlanza, egxile ebuningini nasekuzibeni ikhwalithi.
Isixazululo:
a) Osonkontileka bephrojekthi yokunamathisela baqinisa ukuqeqeshwa emsebenzini futhi benze ukudalulwa kobuchwepheshe ngaphambi kokwakhiwa.
b) Ukuqinisa ukuphathwa kwendawo yokwakha.
3. Ukuhlaziywa kwesizathu sokuplasta usimende
a) Amandla okugcina e-gypsum yokuplasta aphansi futhi awakwazi ukumelana nokucindezeleka kokuncipha okubangelwa ukulahlekelwa kwamanzi; amandla aphansi okuplasta i-gypsum kungenxa yezinto zokusetshenziswa ezingafanelekile noma ifomula engenangqondo.
b) Ukumelana nokuntengantenga kwe-gypsum eplastiwayo akufanelekile, futhi i-gypsum yokuplasta inqwabelanisa ngezansi, futhi ukujiya kukhulu, kubangela ukuqhekeka okuphambene.
c) Isikhathi sokuxuba se-gypsum mortar sifushane, okuholela ekuxubeni okungalingani kodaka, amandla aphansi, ukushwabana nokunwebeka okungalingani kongqimba lwe-gypsum oluplastiwe.
d) I-gypsum mortar eplastiwe ebekwe ekuqaleni ingasetshenziswa futhi ngemva kokwengeza amanzi.
Isixazululo:
a) Sebenzisa i-gypsum yokuplasta efanelekayo, ehlangabezana nezidingo ze-GB/T28627-2012.
b) Sebenzisa izinto zokuhlanganisa ezihambisanayo ukuze uqinisekise ukuthi i-gypsum yokuplasta namanzi kuxutshwe ngokulinganayo.
c) Akuvunyelwe ukufaka amanzi odakeni olusethiwe ekuqaleni, bese ulisebenzisa futhi
4. Ukuhlaziywa kwembangela yezinto eziyisisekelo
a) Njengamanje, kusetshenziswa izinto ezintsha zodonga ekwakhiweni kwamabhilidi enziwe ngaphambili, futhi i-coefficient yawo yokuncipha yokuncipha inkulu kakhulu. Uma iminyaka yamabhulokhi inganele, noma umswakama wamabhuloki uphezulu kakhulu, njll., ngemva kwesikhathi sokumisa, imifantu izovela odongeni ngenxa yokulahlekelwa kwamanzi kanye nokuncipha, futhi ungqimba lokunamathisela luzoqhekeka.
b) Ukuhlangana phakathi kwelungu lekhonkolo lesakhiwo sohlaka kanye nempahla yodonga yilapho kuhlangana khona izinto ezimbili ezihlukene, futhi ama-coefficients awo okunweba ahlukile. Lapho izinga lokushisa lishintsha, ukuguqulwa kwezinto ezimbili akuvumelanisiwe, futhi kuzovela imifantu ehlukene. Amakholomu odonga avamile Imifantu eqondile phakathi kwemishayo kanye nemifantu evundlile ezansi kohlaka.
c) Sebenzisa i-aluminium formwork ukuthela ukhonkolo esizeni. Ingaphezulu likakhonkolo libushelelezi futhi liboshwe kabi kungqimba lukakhonkolo olukhonkolo. Isendlalelo se-plastering siphuma kalula kungqimba oluyisisekelo, okuholela ekuqhekekeni.
d) Izinto eziyisisekelo kanye ne-gypsum yokunamathisela kunomehluko omkhulu ebangeni lamandla, futhi ngaphansi kwesenzo esihlangene sokumisa ukuncipha nokuguquka kwezinga lokushisa, ukunwetshwa nokufinyela akuhambisani, ikakhulukazi uma impahla yodonga olukhanyayo yezinga eliphansi inokuminyana okuphansi namandla aphansi, ungqimba lwe-gypsum olukhonkolo luvame ukukhiqiza iqhwa. Ukwelula ukuqhekeka, ngisho nendawo enkulu egobile. e) Isendlalelo sesisekelo sinezinga eliphezulu lokumunca amanzi kanye nesivinini sokumunca amanzi ngokushesha.
Isixazululo:
a) Isisekelo sikakhonkolo esisanda kuplastiwa kufanele some izinsuku eziyi-10 ehlobo futhi sibe ngaphezu kwezinsuku ezingama-20 ebusika ngaphansi kwesimo somoya omuhle. Ingaphezulu libushelelezi futhi isisekelo simunca amanzi ngokushesha. I-ejenti yesixhumi esibonakalayo kufanele isetshenziswe;
b) Izinto eziqinisayo njengendwangu yegridi zisetshenziswa lapho kuhlangana khona izindonga zezinto ezahlukene
c) Izinto zodonga ezingasindi kufanele zigcinwe ngokugcwele.
5. Ukuhlaziywa kwesizathu senqubo yokwakha
a) Isendlalelo sesisekelo somile kakhulu ngaphandle kokumanziswa okufanele noma ukusetshenziswa kwe-ejenti yesixhumi esibonakalayo. I-gypsum yokukhongozela ihlangene nongqimba oluyisisekelo, umswakama we-gypsum yokukhonkotha uthathwa ngokushesha, amanzi alahlekile, futhi umthamo we-plastering layer ye-gypsum uyancipha, okubangela ukuqhekeka, okuthinta ukwanda kwamandla nokunciphisa amandla okubopha.
b) Izinga lokwakhiwa kwesisekelo liphansi, futhi ungqimba lwe-gypsum lwasendaweni luwugqinsi kakhulu. Uma i-plastering plaster isetshenziswa ngesikhathi esisodwa, udaka luzowa futhi lube nemifantu evundlile.
c) Ukufakwa kukagesi wamanzi akuzange kuphathwe ngendlela efanele. Izikhala ze-Hydropower azigcwaliswa nge-caulking gypsum noma ukhonkolo wamatshe ocolisekileyo one-ejenti yokunweba, okuholela ekuqhekekeni kokuncipha, okuholela ekuqhekekeni kongqimba lwe-gypsum oluplastiwe.
d) Akukho ukwelashwa okukhethekile kwezimbambo zokubhoboza, futhi ungqimba lwe-gypsum olukhonkolo olwakhiwe endaweni enkulu luyaqhekeka ezimbanjeni zokubhoboza.
Isixazululo:
a) Sebenzisa i-ejenti yokusebenzelana yekhwalithi ephezulu ukuze uphathe isendlalelo sesisekelo ngamandla aphansi kanye nokumuncwa kwamanzi ngokushesha.
b) Ugqinsi lwe-gypsum layer bukhulu kakhulu, ludlula ama-50mm, futhi kufanele lululwe ngezigaba.
c) Yenza inqubo yokwakha futhi uqinise ukuphathwa kwekhwalithi yendawo yokwakha.
6. Ukuhlaziywa kwembangela yendawo yokwakha
a) Isimo sezulu somile futhi siyashisa.
b) Isivinini somoya omkhulu
c) Ekuqaleni kwentwasahlobo nehlobo, izinga lokushisa liphezulu futhi umswakama uphansi.
Isixazululo:
a) Ukwakha akuvunyelwe uma kunomoya onamandla weleveli yesihlanu noma ngaphezulu, futhi ukwakhiwa akuvunyelwe uma izinga lokushisa lendawo lingaphezu kuka-40 ℃.
b) Ekuqaleni kwentwasahlobo nehlobo, lungisa indlela yokukhiqiza ye-gypsum yokuplasta.
Isikhathi sokuthumela: Apr-25-2024