Hammerbeam roof

（重定向自Hammerbeam）

Illustration of a single hammer-beam truss. The collar-braces join to the hammer posts (bottom) and collar beam (top). Chambers 1908

Interior of the Middle Temple hall and its double-hammerbeam roof

Westminster Hall in the early 19th century

A Hammerbeam roof is a decorative, open timber roof truss typical of English Gothic architecture and has been called "...the most spectacular endeavour of the English Medieval carpenter." They are traditionally timber framed, using short beams projecting from the wall on which the rafters land, essentially a tie beam which has the middle cut out. These short beams are called hammer-beams and give this truss its name. A hammerbeam roof can have a single, double or false hammerbeam truss.

单词	Hammerbeam
释义	Hammerbeam 英语百科 Hammerbeam roof （重定向自Hammerbeam） A Hammerbeam roof is a decorative, open timber roof truss typical of English Gothic architecture and has been called "...the most spectacular endeavour of the English Medieval carpenter." They are traditionally timber framed, using short beams projecting from the wall on which the rafters land, essentially a tie beam which has the middle cut out. These short beams are called hammer-beams and give this truss its name. A hammerbeam roof can have a single, double or false hammerbeam truss.
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