Hammer Beam Roof And Ceiling
The so called hammer beams are short horizontal and vertical beams which are bracketed to the walls in order to support the roof.
Hammer beam roof and ceiling. Measuring 20 7 by 73 2 metres 68 by 240 feet the roof was commissioned in 1393 by richard ii and is a masterpiece of design. A hammerbeam roof is a roof that has short horizontal beams attached to the main rafters in a ceiling. This elegant old world style of architecture creates a vaulting open gothic effect in a ceiling system. 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.
Basically it s a truss system. The work was largely undertaken by the king s chief mason. It is considered to be the best example of a hammer beam truss in england. The hammerbeam roof of westminster hall in london designed by hugh herland and installed between 1395 and 1399 was the largest timber roofed space in medieval europe spanning a distance of just over 20 metres 66 ft.
A truss system is a combination of beams braces and rafters. Hammer beam ceiling hammer beams allow for a lot of open vertical space inside a building. The hammer beam roof uk parliament images light perspective roof eye level with the hammer beam roof timber trusses ceiling beams hammerbeam truss construction and needhammerbeam roof definition design studyhammerbeam roof facts. Is to work as a stiff beam which simply reduces the lateral deflection thrust in the top chord rafter and subsequently reduces the thrust and moment in the top of the wall buttress.
In the hammer beam the bottom chord is replaced by two shorter beams that extend only partway into the center of the room. I am wondering if one structural job of the hammer beam assumed as the elements below the collar tie hammer beam vertical post on top and bracing members. Keeping the beams close the walls allows for the highest possible uninterrupted views of a room or building s interior.