Txoj kev hloov pauv ntawm hollow yas lub tsev formwork tuaj yeem ncav cuag ntau dua 50 zaug, thiab nws tuaj yeem rov ua dua tshiab. Loj kub qhov hloov tau ntau yam, muaj peev xwm hloov kho kom haum rau cov kev ntsuas tshwj xeeb, tuaj yeem pom thiab nqus, yooj yim siv. Lub tiaj thiab du ntawm lub npoo ntawm cov formwork ntau dua li cov kev xav tau ntawm qhov tam sim no muaj kev ncaj ncees ntsej muag qhob formwork. Nws muaj cov haujlwm ntawm cov nplaim retardant, anticorrosion, tiv thaiv dej thiab tshuaj lom neeg tsis zoo, thiab muaj cov cuab yeej zoo thiab hluav taws xob rwb thaiv tsev zog. Nws tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm ntau lub cuboid, lub voos xwmfab, L-puab thiab U-shaped lub tsev formwork.
Hollow yas lub tsev tsim qauv yog cov khoom siv sib xyaw ua ke uas ua raws li cov khoom lag luam siab thiab cov txheej txheem thev naus laus zis thiab kev ua kom zoo ntawm qhov kub ntawm 200 ℃ ntawm lub hauv paus ntawm kev zom thiab nqus cov European qib siab cov cuab yeej tsim tawm tshuab thiab kev ua tiav ib nrab.
