Abstract: Dismountable multi-purpose framework (for example for use in forming access towers or platforms) is provided using a set of elongate members, preferably metal angle; including pillar members 10 and linking members e.g. horizontal members 11 interconnected by engaging a tenon formation 12 at one end of a first pillar member with a socket formation 16 of a second pillar member so that they are aligned in end to end relationship. The linking members have apertured lugs 21 which engage the tenon formation between the pillar members and the assembly is secured by a U bolt 17 which engages the tenon formation and is tightened by a wedge 19.