How It Works Hammerbeam Roof

Hammerbeam synonyms hammerbeam pronunciation hammerbeam translation english dictionary definition of hammerbeam.

How it works hammerbeam roof.

Basically it s a truss system. The earliest hammer beamed building still standing in england is situated in the cathedral close next to the dean s garden. A short horizontal beam projecting inward at the top of an interior wall used in opposite pairs instead of a tie beam as a support for arched roof. A hammerbeam roof is a roof that has short horizontal beams attached to the main rafters in a ceiling.

In the three dimensional handling of wall surfaces broken up by canopy work and sculpture and in imaginative spatial planning making use of diagonal axes. A hammerbeam is a form of timber roof truss allowing a hammerbeam roof to span greater than the length of any individual piece of timber. A hammerbeam is a form of timber roof truss allowing a hammerbeam roof to span greater than the length of any individual piece of timber in place of a normal tie beam spanning the entire width of the roof short beams the hammer beams are supported by curved braces from the wall and hammer posts or arch braces are built on top to support the rafters and typically a collar beam. Hammer beam roof english medieval timber roof system used when a long span was needed.

The hammerbeam was developed to overcome the problem of spanning wide spaces by cantilevering the upper roof timbers from a beam projecting from the wall. Not a true truss the construction is similar to corbeled masonry see corbel in that each set of beams steps upward and inward by resting on the ones below by means of curved braces and struts.