GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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08:26 Apr 28, 2009 |
French to English translations [PRO] Tech/Engineering - Architecture / Historical French Architecture | |||||||
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| Selected response from: B D Finch France Local time: 16:17 | ||||||
Grading comment
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Summary of answers provided | ||||
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4 +1 | Common rafters without purlins |
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4 | Principle rafters |
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Summary of reference entries provided | |||
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common-rafter roof (framing/structure) |
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Common rafters without purlins Explanation: The rafters carry the roof covering and there are no main rafters or purlins. |
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Notes to answerer
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Principle rafters Explanation: This is the diagonal (arbalétrier) of the roof section of a frame . Usually purlins would be placed between the frames and then the rafters (chevrons) fixed on top. This is an American reference from A Timber Framer's Workshop Steve Chappell Fox Maple Press 1998 on which I based my own design. Here in this house, I set purlins between frames using wedged dovetails I would say, literally " That part of the load-carrying frame which acts as a rafter." I hope this is useful. |
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41 mins |
Reference: common-rafter roof (framing/structure) Reference information: common-rafter roof http://books.google.com/books?id=fUU2J7baNh0C&pg=PA32&lpg=PA... Not entirely sure this is right: http://www.clydesdaleframes.com/gced/images/Common Rafter Ro... Common Rafter Roof System – Roof structure consisting of regularly spaced roof members, which span from the roof ridge to the eave walls. Typically, common rafters are spaced 4’ on center cf Principal Rafter/Purlin Roof System – A roof system where large bent rafters (principal rafters) are connected to one another by smaller roof timbers called purlins. Purlins are typically spaced 4’ on center and have a dovetail joint on each end to secure them into the principal rafters. http://www.alcespostandbeam.com/product/glossary.htm |
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Note to reference poster
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