Visual and machine grading of larch (Larix decidua Mill.) structural timber from the Italian Alps
The present paper focuses on the main results of an inter-regional project (Bois-lab) aimed at determining the settings of various machines for grading larch ( Larix decidua Mill.) timber from Italian and French Alps, that can now be graded for structural use and CE marked according to EN 14081-1. I...
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| Veröffentlicht in: | Materials and structures 2016-07, Vol.49 (7), p.2681-2688 |
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| creator | Brunetti, M. Burato, P. Cremonini, C. Negro, F. Nocetti, M. Zanuttini, Roberto |
| description | The present paper focuses on the main results of an inter-regional project (Bois-lab) aimed at determining the settings of various machines for grading larch (
Larix decidua
Mill.) timber from Italian and French Alps, that can now be graded for structural use and CE marked according to EN 14081-1. In particular it reports the differences registered between visual and machine grading on 261 larch beams. Visual grading was made according to the Italian national standard UNI 11035-1,2 while machine grading was performed using various devices. Finally the wooden material was subjected to laboratory testing according to EN 408. The results showed that machine grading yields are significantly higher, especially due to the reduced number of rejected elements. The paper also evaluates the flexibility and potential of the above methods taking into account different combinations of strength classes in terms of output. |
| doi_str_mv | 10.1617/s11527-015-0676-5 |
| format | Article |
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Larix decidua
Mill.) timber from Italian and French Alps, that can now be graded for structural use and CE marked according to EN 14081-1. In particular it reports the differences registered between visual and machine grading on 261 larch beams. Visual grading was made according to the Italian national standard UNI 11035-1,2 while machine grading was performed using various devices. Finally the wooden material was subjected to laboratory testing according to EN 408. The results showed that machine grading yields are significantly higher, especially due to the reduced number of rejected elements. The paper also evaluates the flexibility and potential of the above methods taking into account different combinations of strength classes in terms of output.</description><identifier>ISSN: 1359-5997</identifier><identifier>EISSN: 1871-6873</identifier><identifier>DOI: 10.1617/s11527-015-0676-5</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Alps ; Building construction ; Building Materials ; Civil Engineering ; Engineering ; Evaluation ; Flexibility ; Grading ; Machines ; Manufacturing ; Materials Science ; Mills ; Original Article ; Processes ; Solid Mechanics ; Theoretical and Applied Mechanics ; Timber (structural) ; Visual</subject><ispartof>Materials and structures, 2016-07, Vol.49 (7), p.2681-2688</ispartof><rights>RILEM 2015</rights><rights>RILEM 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c402t-28f4089b97c5287354448ef74d8dc188880f03dfe1f24e9435a90e79442f86403</citedby><cites>FETCH-LOGICAL-c402t-28f4089b97c5287354448ef74d8dc188880f03dfe1f24e9435a90e79442f86403</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1617/s11527-015-0676-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1617/s11527-015-0676-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Brunetti, M.</creatorcontrib><creatorcontrib>Burato, P.</creatorcontrib><creatorcontrib>Cremonini, C.</creatorcontrib><creatorcontrib>Negro, F.</creatorcontrib><creatorcontrib>Nocetti, M.</creatorcontrib><creatorcontrib>Zanuttini, Roberto</creatorcontrib><title>Visual and machine grading of larch (Larix decidua Mill.) structural timber from the Italian Alps</title><title>Materials and structures</title><addtitle>Mater Struct</addtitle><description>The present paper focuses on the main results of an inter-regional project (Bois-lab) aimed at determining the settings of various machines for grading larch (
Larix decidua
Mill.) timber from Italian and French Alps, that can now be graded for structural use and CE marked according to EN 14081-1. In particular it reports the differences registered between visual and machine grading on 261 larch beams. Visual grading was made according to the Italian national standard UNI 11035-1,2 while machine grading was performed using various devices. Finally the wooden material was subjected to laboratory testing according to EN 408. The results showed that machine grading yields are significantly higher, especially due to the reduced number of rejected elements. The paper also evaluates the flexibility and potential of the above methods taking into account different combinations of strength classes in terms of output.</description><subject>Alps</subject><subject>Building construction</subject><subject>Building Materials</subject><subject>Civil Engineering</subject><subject>Engineering</subject><subject>Evaluation</subject><subject>Flexibility</subject><subject>Grading</subject><subject>Machines</subject><subject>Manufacturing</subject><subject>Materials Science</subject><subject>Mills</subject><subject>Original Article</subject><subject>Processes</subject><subject>Solid Mechanics</subject><subject>Theoretical and Applied Mechanics</subject><subject>Timber (structural)</subject><subject>Visual</subject><issn>1359-5997</issn><issn>1871-6873</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kM1KAzEURoMoWKsP4C7gpi6mJplkkixL8adQcaNuQ5pJ2pTMTE1mQN_elHEhgndz7-J8H5cDwDVGc1xhfpcwZoQXCLMCVbwq2AmYYMFxUQlenua7ZLJgUvJzcJHSHqFSYkwmQL_7NOgAdVvDRpudby3cRl37dgs7B4OOZgdnax39J6yt8fWg4bMPYX4LUx8H0w8xp3vfbGyELnYN7HcWrnodvG7hIhzSJThzOiR79bOn4O3h_nX5VKxfHlfLxbowFJG-IMJRJORGcsNI_plRSoV1nNaiNljkQQ6VtbPYEWolLZmWyHJJKXGioqicgtnYe4jdx2BTrxqfjA1Bt7YbksKCMMpKwo7ozR903w2xzd8pzCViVVVJkSk8UiZ2KUXr1CH6RscvhZE6SlejdJWlq6N0xXKGjJmU2XZr46_mf0PfMcuCMA</recordid><startdate>20160701</startdate><enddate>20160701</enddate><creator>Brunetti, M.</creator><creator>Burato, P.</creator><creator>Cremonini, C.</creator><creator>Negro, F.</creator><creator>Nocetti, M.</creator><creator>Zanuttini, Roberto</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>KR7</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20160701</creationdate><title>Visual and machine grading of larch (Larix decidua Mill.) structural timber from the Italian Alps</title><author>Brunetti, M. ; 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Larix decidua
Mill.) timber from Italian and French Alps, that can now be graded for structural use and CE marked according to EN 14081-1. In particular it reports the differences registered between visual and machine grading on 261 larch beams. Visual grading was made according to the Italian national standard UNI 11035-1,2 while machine grading was performed using various devices. Finally the wooden material was subjected to laboratory testing according to EN 408. The results showed that machine grading yields are significantly higher, especially due to the reduced number of rejected elements. The paper also evaluates the flexibility and potential of the above methods taking into account different combinations of strength classes in terms of output.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1617/s11527-015-0676-5</doi><tpages>8</tpages></addata></record> |
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| subjects | Alps Building construction Building Materials Civil Engineering Engineering Evaluation Flexibility Grading Machines Manufacturing Materials Science Mills Original Article Processes Solid Mechanics Theoretical and Applied Mechanics Timber (structural) Visual |
| title | Visual and machine grading of larch (Larix decidua Mill.) structural timber from the Italian Alps |
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