頁籤選單縮合
題 名 | 老舊木質家具材料之強度性質=The Strength Properties of Wooden Material from Old Furniture |
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作 者 | 陳載永; 陳合進; | 書刊名 | 國立中興大學實驗林研究彙刊 |
卷 期 | 20:2 1998.09[民87.09] |
頁 次 | 頁41-49 |
分類號 | 474.3 |
關鍵詞 | 非破壞性試驗; 破壞性試驗; 老舊木質家具材料; Nondestructive testing; Destructive testing; Wood material from old furniture; |
語 文 | 中文(Chinese) |
中文摘要 | 由搬遷及拆建之舊建築物內清理之老舊家具材料,材料經鑑定有紅檜 (Chamaecyparis formosensis)、 臺灣鐵杉 (Tsuga chinensis)、 臺灣二葉松 (Pinus taiwanensis)、 臺灣杉 (Taiwan cryptomerioides)、 臺灣櫸 (Zelkova serrata)、 木荷 (Schima superba)、 樟木 (Cinnamomum camphora) 和光臘樹 (Fraxinus nigra) 等八種材 料。以非破壞性及破壞性檢測法測定材料之物理及機械性質。在非破壞性檢測材料之彈性係 數中, 以臺灣櫸及光臘樹的相關性最高 r �揮’b 0.89 以上,而以樟木及木荷之相關性最 差(r �揭b 0.37 ∼ 0.59 之間 )。試材經檢測後平均含水率在 8.8 ∼ 12 %,靜曲彈性係數 平均降低了 18 %∼ 57 %; 靜曲破壞強度除紅檜及木荷無降低外其它材料之強度降低 23 %∼ 38 %;縱向抗壓縮強度方面除樟木及光臘樹有下降外,其它材料之強度並未呈降低現 象。 |
英文摘要 | The old wooden furniture materials from moving and dismantling ancient building were identified as Taiwan red cypress, Chinese hemlock, Taiwan red pine, Taiwania, Zelkova, Chinese gugertree, Camphor tree, and Ash. The physical and mechanical properties of these samples were determined, by NDT and destructive testing methods. The MOE of Zelkova and Ash showed that the highest relationship (r �� >0.89), and Camphor tree and Chinese guger-tree seemed have lower relationship (0.37 <r �� <0.59). The moisture contents of samples were ranging 8.8% ∼ 12%. The MOE was reduced approximatley by 18% ∼ 57%. The MOR was also reduced approximately by 23% ∼ 38%, but except Taiwan red cypress and Chinese guger-tree. And the longitudinal compress strengths of Camphor tree and Ash were reduced, but the others had not been reduced. |
本系統中英文摘要資訊取自各篇刊載內容。