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頁籤選單縮合
題名 | 柳杉集成元之配置對結構用集成材抗彎性質之影響=Effect of Lamina Configuration on the Bending Properties of Japanese Cedar Structural Glue-laminated Timber |
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作者姓名(中文) | 李佳如; 林蘭東; 林志憲; 楊德新; | 書刊名 | 林產工業 |
卷期 | 35:1 2016.03[民105.03] |
頁次 | 頁11-19 |
分類號 | 474.8 |
關鍵詞 | 柳杉; 集成元; 結構用集成材; Japanese cedar; Cryptomeria japonica; Lamina; Structural glue-laminated timber; |
語文 | 中文(Chinese) |
中文摘要 | 本研究以國產柳杉(Japanese cedar, Cryptomeria japonica)造林木作為結構用集成材之集成元,並經CNS14630針葉樹結構用製材分等標準進行集成元分等後,進行同等級與異等級結構用集成材之設計,並探討其集成元之構成對結構用集成材之性質影響。結果指出,以彈性模數分等方式或以非破壞試驗方式進行集成元等級區分,較目視分等為佳。此外,以E50級集成元以上等級所研製之同等級集成材均能符合E55-F225之最低強度要求;透過集成設計將高等級集成元配置於集成材之外側,研製成異等級集成材,則可有效提升國產柳杉中低等級材之應用性,本研究所設計之異等級集成材均可符合E55-F200之最低要求。 |
英文摘要 | In this study, domestic Japanese cedar plantation wood was used as laminae of structural glue-laminated timber (glulam), after grading in accordance with CNS14630 standard, to construct homogeneous and heterogeneous-grade structural glued laminated timber, and the effect of laminae configuration on the bending properties of structural glulam was investigated. The experimental results indicated that grading by E-grading method or non-destructive method would distinct grades more effectively than visual grading did. Furthermore, homogeneous-grade glulam constructed using E-50 grade laminae could meet the minimum requirement of E55-F225 grade. Placing the laminae of higher grades near the two outer sides to develop heterogeneous-grade glulam would improve the efficiency of utilization for domestic Japanese cedar of medium-to-low grades. Those heterogeneous-grade glulam developed in this study could meet the minimum requirement of E55-F200 grade. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。