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HAMMERBEAM ROOF

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Originally appearing in Volume V12, Page 897 of the 1911 Encyclopedia Britannica.
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HAMMERBEAM ROOF , in See also:

architecture, the name given to a See also:Gothic open See also:timber roof, of which the finest example is that over See also:Westminster See also:Hall (1395-1399). In See also:order to give greater height in the centre, the See also:ordinary tie See also:beam is cut through, and the portions remaining, known as hammerbeams, are supported by curved braces from the See also:wall; in Westminster Hall, in order to give greater strength to the framing, a large arched piece of timber is carried across the hall, rising from the bottom of the wall piece to the centre of the See also:collar beam, the latter being also supported by curved braces rising from the end of the See also:hammer-beam. The span of Westminster Hall is 68 ft. 4 in., and the opening between the ends of the hammerbeams 25 ft. 6 in. The height from the paving of the hall to the hammerbeam is 40 ft., and to the underside of the collar beam 63 ft. 6 in., so that an additional height in the centre of 23 ft. 6 in. has been gained. Other important examples of hammerbeam See also:roofs exist over the halls of See also:Hampton See also:Court and Eltham palaces, and there are numerous examples of smaller dimensions in churches throughout See also:England and particularly in the eastern counties. The ends of the hammerbeams are usually decorated with winged angels holding See also:shields; the curved braces and beams are richly moulded, and the spandrils in the larger examples filled in with See also:tracery, as in Westminster Hall. Sometimes, but rarely, the collar beam is similarly treated, or cut through and supported by additional curved braces, as in the hall of the See also:Middle See also:Temple, See also:London.

End of Article: HAMMERBEAM ROOF

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