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Strength grading of...
Strength grading of wet Norway spruce side boards by use of axial dynamic excitation
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- Oscarsson, Jan, 1958- (author)
- RISE,Trätek,SP Technical Research Institute of Sweden, Sweden,Träbyggteknik
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- Olsson, Anders, 1973- (author)
- Linnéuniversitetet,Institutionen för teknik, TEK,Träbyggteknik
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- Johansson, Marie, 1973- (author)
- Linnéuniversitetet,Institutionen för teknik, TEK,Träbyggteknik
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- Enquist, Bertil, 1948- (author)
- Linnéuniversitetet,Institutionen för teknik, TEK,Träbyggteknik
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- Serrano, Erik, 1968- (author)
- Lund University,Lunds universitet,Linnéuniversitetet,Institutionen för teknik, TEK,Träbyggteknik,Byggnadsmekanik,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Structural Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- Curran Associates, Inc. 2010
- 2010
- English.
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In: Proceedings of the 11th World Conference on Timber Engineering 2010, WCTE 2010, Riva del Garda, Trento, Italy, June 20-24. - : Curran Associates, Inc.. - 9781622761753 ; , s. 1601-1606
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Abstract
Subject headings
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- Strength grading of Norway spruce side boards in the wet state was investigated. For a batch of 58 boards, densities and dynamic modulus of elasticity in the axial direction, MOEdyn, were determined in the wet state. The boards were then split into two parts and the procedure of determining MOEdyn was repeated both before and after the boards were dried to a target moisture content of 12 %. Tensile strength of the split boards was measured and its relation to MOEdyn for both split and unsplit boards determined. A so called reversed lamination effect on the stiffness caused by the splitting of boards into two parts was also evaluated. The results show that strength grading of split boards in the wet state could give just as good results as grading performed after drying. The reversed lamination effect on the stiffness of split boards was found to be of lower order.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Husbyggnad (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Building Technologies (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
Keyword
- strength grading
- axial stiffness
- side boards
- wet state
- green state
- Byggteknik
- Civil engineering
Publication and Content Type
- ref (subject category)
- kon (subject category)
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