Cov scaffolding ncej yog ib qho ntawm cov scaffolding siv dav tshaj plaws. Cov scaffolding ncej muaj kev sib cais yooj yim, kev ua haujlwm zoo, kev nyab xeeb thiab kev ntseeg siab.
Daim ntawv thov tseem ceeb ntawm lub thav duab scaffolding:
(1) Rau lub tsev ceg sab saum toj, cov tsev loj, cov choj, cov viaducts, qhov av thiab lwm yam kev txhawb nqa formwork hauv sab saum toj.
(2) Sab hauv thiab sab nraud ntawm cov kab sib txuas ntawm lub tsev siab
(3) Rau lub platform ua haujlwm nquag ntawm kev teeb tsa hluav taws xob, lub hull ua thiab lwm yam kev kho dua tshiab.
(4) Rau ib ntus chaw pw, tsev rau khoom lossis tsev me me
(5) Rau kev tsa cov chaw sawv ntsug thiab cov chaw bleacher ib ntus.