Ua ntej tso cov yas hauv pem teb, peb yuav tsum nruj me ntsis xyuas hauv av, txhawm rau tiv thaiv txhua qhov tshwm sim, xws li hauv av hollowing, tawg, xuab zeb thiab lwm yam tshwm sim hauv av tsis zoo. Hnub no los qhia txog av hollowing txoj kev.
Pvc yas pem teb tawg tsis muaj qhov hollowing, tuaj yeem ntim nrog epoxy grouting lossis siab -siab grouting sau cov nruas tawg. Cov kauj ruam ntawm kev tsim kho yog raws li nram no:
1, Ua ntej txiav qhov chaw tawg mus rau hauv V- zoo li lub qhov ncauj nrog lub tshuab txiav, nruab cov serpentine txuas steel ntawv nyob rau hauv txoj kab ntsug raws li qhov tawg, thiab tom qab ntawd ntxuav cov khib nyiab thiab plua plav hauv cov seam nrog lub tshuab nqus tsev lossis lub tshuab ziab khaub ncaws.
2, siv Henkel zoo R755 sau cov pob qij txha, ua ntej R755 tsis kho nrog l-2 hli huv quartz xuab zeb npog saum npoo kom txog thaum R755 kho tag nrho cov xuab zeb quartz tshem tawm.
3, ib qho me me ntawm qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob.
4, 48 teev tom qab ua tiav ntawm qhov kev ntsuam xyuas hauv pem teb hollowing ib zaug pom qhov xwm txheej, xws li cov hollowing hauv zos tuaj yeem rov kho dua.
