Yellow Poplar Glulam Timber Beam Performance PDF Download
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Author:
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Category : Laminated wood
Languages : en
Pages : 32
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Book Description
Author:
Publisher:
ISBN:
Category : Laminated wood
Languages : en
Pages : 32
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Book Description
Author: Russell Charles Moody
Publisher:
ISBN:
Category : Laminated wood
Languages : en
Pages : 34
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Book Description
Author:
Publisher:
ISBN:
Category : Laminated wood
Languages : en
Pages : 32
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Book Description
In bridge applications, it is often necessary to minimize the depth of the bridge structure to provide for the required hydraulic opening or reduce the volume of approach fill. For bridges that utilize structural glued-laminated (glulam) timber beams as stringers, reinforcement using thin strips of pultruded E-glass-fiber-reinforced plastic (GFRP) composites may permit reduced depth, because the reinforcement has the potential to increase stiffness and strength. This study is part of an overall effort aimed at evaluating the potential for commercial production of glulam-GFRP beams in current wood laminating plants and a wood adhesive compatible with existing equipment. Twelve Yellow-Poplar glulam GFRP beams were commercially manufactured, and their performance was evaluated. The GFRP panels were bonded to the wood with a resorcinol formaldehyde adhesive to provide the reinforcement. The simplicity of the process used to manufacture the test beams indicates that the commercial production of glulam-GFRP beams is feasible. Increases of 18 percent in stiffness and 26 percent in strength were achieved by adding 3 percent of GFRP by volume. The bending strength values of the beams predicted by the ASTM D3737 procedure correlate well with the experimental values. However, the observed delamination of the reinforcement indicates that improved bonding strength of wood--GFRP interfaces is needed. Results of this study will be useful to manufacturers interested in improving the performance of glulam timber beams.
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Category : Forests and forestry
Languages : en
Pages : 16
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Author:
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ISBN:
Category : Bridges
Languages : en
Pages : 502
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Book Description
Author: John J. Janowiak
Publisher:
ISBN:
Category : Red maple
Languages : en
Pages : 28
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Book Description
Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 450
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Book Description
Author: Harvey Bright Manbeck
Publisher:
ISBN:
Category : Wooden bridges
Languages : en
Pages : 68
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Book Description
Author: Wood in Transportation National Information Center
Publisher:
ISBN:
Category : Wood
Languages : en
Pages : 30
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Book Description
Author:
Publisher:
ISBN:
Category : Wooden bridges
Languages : en
Pages : 140
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