Yuav Kho Li Cas Kho Precast Qhob Phab Ntsa
Yog tias muaj cov kab nrib pleb, qhov, los yog delamination hauv cov pob zeb hauv av precast hauv koj lub chaw nres tsheb los yog hauv qab daus, koj tuaj yeem kho lawv kom zoo li thaum koj tuaj tshiab. Ua raws li cov txheej txheem teev hauv qab no kom kho cov pob zeb hauv ntej ntawm cov pob zeb.
Kauj Ruam 1: Ntxuav thiab npaj thaj tsam
Zom cov nplaum nplaum nyob rau hauv cov pob zeb precast thiab thaj tsam ib ncig ntawm lub qhov nrog coarse sandpaper. Siv 50-80 grit. Tshem av, av thiab dawb cov zaub mov ntawm lub pob zeb.
Siv qhov chaw nyob ib ncig ntawm lub qhov ntaiv los yog qhov muaj ib daim ntaub ntub dej kom zoo thiab ua kom nws ncav mus li ob peb teev. Qhov no yuav tiv thaiv cov pob zeb qhuav ntawm absorbing noo noo hauv Portland cement slurry thaum ua ntawv thov.
Kauj ruam 2: Portland phom slurry
Nyob rau hauv ib lub hlau thoob, sib tov Portland xis mas nrog dej los ua ib tug tuab txheej ntawm tus grout. Txav tsis tu ncua nrog ib tus hlau paddle los tiv thaiv agglomeration.
Sau cov pob txhuam nplaum nrog Portland pob rau ntawm rab riam. Siv rau ntawm qhov ntxeev ntxig rau siab ua kom tiav qhov grout mus rau hauv lub qhov. Nyem cov cement slurry rau hauv cov kab nrib pleb thiab tawg tawg. Npaj cov tshuaj khib rau sab nraub ntawm lub t riam.
Kauj Ruam 3: Pib kev curing
Cia pob zeb qhuav kom qhuav rau 2 mus rau 3 xuab moos. Npog lub cheeb tsam kho nrog ib lub hnab yas loj thiab lo nrog daim ntaub nplaum. Rau 5 hnub ib hnub, moisten lub cheeb tsam kho nrog me me dej thiab npog nws dua. Ua raws li lub hnab ntim cov kua hluav taws uas muaj cov xim txhuam hniav thiab txhuam cov yeeb nkab uas yog siv li ntawm ob peb nti.
Kauj Ruam 4: Kho cov pob zeb loj hauv qhov av ua ntej
Siv cov xim chisels thiab cov hammers kom ntsa cov kab nrib los yog qhov hauv qab. Qhov no yuav pab cov pob zeb ua ke thiab cov pob zeb tshiab sib tov txuam thiab sib tov nrog cov qub pob zeb. Sib tov txaus npaj txhij-tov nrog dej kom sau cov qhov los yog cov kab nrib pleb thiab ua ntawv thov sai. Nias qhov sib xyaw ua ke rau hauv lub qhov thiab siv lub qhov ntaiv mus txhuam nws thiab sib zog thov nws rau ntawm qhov chaw. Ua raws li cov lus qhia nyob rau Kauj Ruam 5 kom kho qhov kho qhov chaw thiab muab khi ua ke nrog cov twj uas tsis muaj dej thaiv tsis ruaj ruaj.
Kauj ruam 5: Kho tsis ruaj ruaj precast concrete ntsa
Yog tias koj xav tau kho qhov chaw loj lossis kho qhov kab mob redo, koj tuaj yeem tshwm sim ntawm cov teeb meem hauv vaj tse xws li warping lossis hloov chaw. Cov ntsia hlau uas ua los ntawm carbon fiber ntau thiab KevlarTM tuaj yeem siv tau rov los tswj thiab txhawb nqa cov phab ntsa. Cov cim staples tshem cov phab ntsa ntawm thaj chaw puas. Cov staples yuav tsum cemented nrog ib txheej tshiab ntawm cov pob zeb thiab kaw nrog ib silane sealant. Hu rau lub tuam txhab uas tshwj xeeb hauv kev kho vaj tse kom ua tiav txoj hauj lwm no.
