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題 名 | Evaluation of the Shear Performance of Structural Glulam Member Joints with Embedded Metal Connectors=埋入式金屬連結件接合結構用集成材之剪斷性能評估 |
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作 者 | 葉民權; 林玉麗; 黃永欽; | 書刊名 | 臺灣林業科學 |
卷 期 | 27:4 2012.12[民101.12] |
頁 次 | 頁369-382 |
分類號 | 436.18 |
關鍵詞 | 接合; 集成材; 剪斷強度; 柳杉; Joint; Glulam; Shear strength; Japanese cedar; |
語 文 | 英文(English) |
中文摘要 | 本研究利用國產柳杉造林木組成對稱異等級集成材,梁尺寸為120×304mm,柱尺寸為120×120mm,並開發兩種金屬連結件,以不同數量螺栓組合梁柱結構,探討接合之剪斷抵抗性能。結果顯示,以平板型5mm厚金屬連結件之接合,在最大剪斷承載力、降伏強度及能量吸收較T型連結件之接合條件分別高34、48及111%,同時結構特性因素也顯示有適當之延展性。集成梁兩端分別以3或5支螺栓接合之初始剛性為以2支接合條件之2.8及4.0倍,而能量吸收則分別降為2支接合條件的44及15%。柳杉結構用集成材在接合時以2或3支螺栓固定者,在剪力載重下有較高之延展性因素,及適當之結構特性因素。 |
英文摘要 | A symmetrical mixed-grade composition glulam was fabricated using Japanese cedar plantation timber in the study. The sizes of the beam and column members were 120×304×1500 and 120×152×900 mm, respectively. A beam-column structure was constructed with 2 different types of developed metal connectors with different numbers of bolts to examine the shear resistance performance of the joints. The results indicated that the maximum shear capacity, yield strength, and energy absorption of a glulam joint using a 5-mm-thick flat-type connector were 34, 48, and 111% higher than those using a T-type connector. The structural characteristic factor also showed adequate ductility. The initial stiffness levels of glulam joints fixed with 3 and 5 bolts, respectively, were 2.8-and 4.0-times that with 2 bolts, while the energy absorption was reduced to 44 and 15%. Furthermore, joints fixed with 2 or 3 bolts had higher ductility factors and adequate structural characteristic factors for resisting a shear load. |
本系統中英文摘要資訊取自各篇刊載內容。