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and use a diagonal brace between the outer edges. The central square between the two verticals is either unbraced (on shorter spans), or has one or two diagonal braces for rigidity. A single diagonal reaches between opposite corners; two diagonal braces may either reach from the bottom of each
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truss. A king post uses one central supporting post, whereas the queen post truss uses two. Even though it is a tension member, rather than a compression member, they are commonly still called a
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A queen-post bridge has two uprights, placed about one-third of the way from each end of the truss. They are connected across the top by a
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The queen posts are the second and third (from left) vertical posts visible in the photo, visibly thicker than the other posts.
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Gopi, Satheesh. Basic civil engineering. New Delhi: Dorling
Kindersley (India) Pvt. Ltd., 2010. 155. Print.
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American Barns and
Covered Bridges, Eric Sloane, Wilfred Funk, Inc. New York, New York; 1954, pg 96-97
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upright post to the center of the upper beam, or form a corner-to-corner "X" inside the square.
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The double punch truss appeared in
Central Europe during the
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233:"Timber Framing for Beginners: VI. Glossary of Terms"
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which do not form a truss in the engineering sense.
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161:Renaissance
150:compression
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416:Categories
338:Queen post
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205:References
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82:Span range
56:Descendant
17:Queen Post
142:king post
122:Sometimes
117:Falsework
72:livestock
266:cite web
188:See also
119:required
90:Material
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347:YouTube
154:framing
134:tension
100:Movable
64:Carries
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367:This
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138:truss
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