Hammer Beam Roof And Ceiling

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Hammer beam roof and ceiling.

The hammer beam roof design remains one of england s crowning achievements in open timber roof architecture featuring hammer beams that only jut out from the wall a few feet rather than crossing. 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. Keeping the beams close the walls allows for the highest possible uninterrupted views of a room or building s interior.

Hammer beam ceiling in gothic architecture one of a pair of of short horizontal members attached to the foot of a principal rafter in a roof in place of a tie beam in order to give greater height in the center the ordinary tie beam is cut through and the portions remaining known as hammer beams are supported by curved hammer braces from the wall. 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. 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. The work was largely undertaken by the king s chief mason.

Basically it s a truss system. The magnificent hammer beam roof of westminster hall is the largest medieval timber roof in northern europe. The so called hammer beams are short horizontal and vertical beams which are bracketed to the walls in order to support the roof. 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.

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. In the hammer beam the bottom chord is replaced by two shorter beams that extend only partway into the center of the room. 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.