, which is the temporary support used for structures (like freshly poured concrete) while they are not self-supporting. It defines two main design classes: For simple constructions like in-situ slabs and beams. Class B (B1 & B2):
To obtain a legal copy of the PDF, you should use official standards distributors: bs en 12812 pdf free download better
Official and legal PDF copies of this standard are not typically available for free and must be purchased through authorized distributors: : The official source for British Standards. , which is the temporary support used for
: Unlike older "permissible stress" methods, this uses a limit state approach, analyzing the structure at the point of ultimate failure and serviceability. : Unlike older "permissible stress" methods, this uses
BS EN 12812 ensures that these temporary systems are designed with a level of structural safety equivalent to the permanent works they support, preventing catastrophic collapses like those historically seen in large-scale infrastructure projects. BSI Knowledge Design Classes and Complexity The standard categorizes falsework into two primary Design Classes
| Risk | Consequence | |------|-------------| | | Fines up to £50,000 in UK courts | | Outdated content | BS EN 12812:2008 is current, but pirate copies might be pre-corrigendum or wrong version | | Malware/viruses | Construction companies have been ransomwared via fake “engineering standards” downloads | | Professional negligence | If you design falsework from a corrupted/missing-page PDF and there’s a collapse, you go to jail |