Graphical Construction Glossary >> Temporary Work. >> Shoring >> Needle

Needle

1.) A short strong piece of timber which goes through a hole in a wall and which, via props or shores on either side of the wall supports the wall for further work.
2.) A short timber or steel member which passes through a hole in the wall to support a scaffold etc.

Above is a sketch of a typical application for this beam. This is a sectional view through part of a wall that is supported by a beam, either steel or timber on dead shores or props. This would be done say if underpinning work was to be done on the foundations. This system takes the load off the wall and spreads it to either side

Note! steel is by far the material of choice for this application because of it's strength, but the steel beam should always have a timber packer between it and the masonry. This provides a cushioning effect and to give some "grip".

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Adam Smith 1723-1790

"When we build, let us think that we build for ever."John Ruskin 1819-1900