Precast girder formwork muaj qhov zoo ntawm high-precision, qauv yooj yim, retractile, yooj yim-demoulding thiab ua haujlwm yooj yim. Nws tuaj yeem raug hoisted lossis dragged mus rau qhov chaw casting integrally, thiab demoulded integrally los yog piecemeal tom qab pob zeb ua tiav lub zog, ces rub tawm cov pwm puab los ntawm lub girder. Nws yog ib qho yooj yim txhim kho thiab debugging, kev siv zog tsawg, thiab ua haujlwm siab.
Tus choj viaduct tau muab faib ua ntu me me, uas yog prefabricated nyob rau hauv qhov zoo tswj casting yard, ces, xa mus rau nruab los ntawm cov khoom erection zoo.