近年來，受到地球暖化和氣候變遷的影響，發展低碳排建築成為現今都市發展的趨勢。鋼木混合構造的設計概念可降低結構物之碳排放量，同時結合兩者材料優勢，提升結構物整體的性能，木材具有固碳材料性質、防火、自重輕等優勢，能提供鋼板元件之圍束需求；鋼材強度高、韌性佳，能提供元件主要強度、勁度及穩定遲滯消能能力，本研究重點在於研發鋼木混合構造剪力牆構材的耐震設計。在開槽型鋼板剪力牆元件兩面安裝圍束木板元件並使用螺桿將鋼板夾住，能降低鋼板受側力之挫屈量，使整片鋼板更均勻地變形，進而提升整體剪力牆的強度、勁度以及消能能力，同時圍束木板具有耐火的優勢，能增加整體剪力牆的防火時效。本研究規劃五組試體，對鋼板厚度、圍束木板(單側)層數及圍束狀態進行設計，透過反覆載重試驗的方式探討其遲滯消能行為、耐震性能和可行性。試驗結果顯示本研究提出之圍束木板元件在側推過程中能有效抑制鋼板的挫屈量，使鋼板剪力牆元件能穩定消散能量達樓層位移角4%而無明顯強度衰退，證實此鋼木剪力牆構材在大地震中較不容易遭受破壞；另外，試驗結果亦顯示鋼板剪力牆的降伏強度對可能安裝誤差之敏感性極高，此現象可能與構材主要以單片薄鋼板所構成有關。
本研究的另一個重點在於探討鋼木間的摩擦行為，從剪力牆試驗結果顯示，鋼木間摩擦力會影響試體量測強度，有鑑於此，進行了一系列的材料試驗，針對鋼木混合剪力牆構件試驗摩擦力進行檢討，並提出鋼材與圍束木材間之摩擦力量估算方法及螺栓預力損失估算方法，供設計者參考。

In recent years, low-carbon buildings have become the trend of the city development because of the effect of global warming and climate change. The design of steel-timber composite can reduce the carbon emission of buildings, and enhance the performance of buildings by using both benefits of material property simultaneously. Wood features carbon fixation, fire resistance, and light weight, and provides restraint demands of the steel members. Steel have high strength and good toughness, which can provide members main strength, stiffness, and energy dissipation. In this research, a seismic design of steel-timber composite shear wall (STSW) system is proposed. The STSW system is constructed with a pair restrained wood members sandwich over the shear wall with slits from the two sides using through bolts, which can reduce out-of-plate displacement of the steel plate, and enhance strength, stiffness, energy dissipation, and fire resistance. There are five specimens in this research, and the main purpose of this research is to study the STSW system constructed with thickness of steel plate, layers of restrained wood, and restrained state. Test results confirmed the proposed shear wall is effective in reducing out-of-plate displacement of the steel plate, and can reach drift ratio about 4% radians exhibiting a stable energy dissipation without significant strength degradation. Test results also confirmed the yield strength of the proposed shear wall is sensitive to the installation errors because it was constructed with thin steel plate mostly.
Another purpose of this research is to study the friction behavior between steel and timber because previous test results confirmed friction force could affect the strength of the proposed shear wall. Therefore, a series of material tests was conducted for discussing the friction force of the proposed shear wall in this research. Recommendation on the estimated methods of the friction force and the axial force loss of bolts are also provided in this research.

[1] ANSI/AISC 341-16(2016), “Seismic Provisions for Structural Steel Buildings”, American Institute of Steel Construction, Chicago, IL.
[2] ANSI/AISC 360-16(2016), “Specification for Structural Steel Buildings”, American Institute of Steel Construction, Chicago, IL.
[3] Deng K.L., P. Pan, Sun J.B., Liu J.X., and Xue Y.T. (2014),“Shape Optimization Design of Steel Shear Panel Dampers”, Journal of Constructional Steel Research Vol.99 (2014) 187–193.
[4] Deng K.L., Pan P., Li W., and Xue Y.T. (2015),“ Development of a Buckling Restrained Shear Panel Damper”, Journal of Constructional Steel Research Vol.106 (2015) 311–321
[5] Hitaka T., Matsui C.(2003),“Experimental Study on Steel Shear Wall with Slits”, Journal of Structural Engineering, ASCE.
[6] He L.S., Togo T., Hayashi K., Kurata M., and Nakashima M.(2016),“Cyclic Behavior of Multirow Slit Shear Walls Made from Low-Yield-Point Steel”, Journal of Structural Engineering Vol.142 Issue 11(2016), ASCE.
[7] He L.S.(2015), “Development of Steel Shear Walls Capable of Structural Condition Assessment by Using Double-Tapered Links”, Thesis, Kyoto University.
[8] Konstantinos C.,(2017), “Development of a Method for the Determination of Preload in High Strength Friction Grip Connections”, MSc Thesis, Department of Structural Engineering, Delft University of Technology.
[9] Lu J.Y., Yu S.J., Xia J., Qiao X.D., and Tang Y.(2018),“ Experimental Study on the Hysteretic Behavior of Steel Plate Shear Wall with Unequal Length Slits”, Journal of Constructional Steel Research Vol.147 (2018) 477–487.
[10] Lin X.C., Wu K.L., Konstantinos A. S. , Lu L., and Zhao S.L.(2019),“ Development of a Buckling-Restrained Shear Panel Damper with Demountable Steel-Concrete Composite Restrainers”, Soil Dynamics and Earthquake Engineering Vol.118 (2019) 221–230.
[11] United States Department of Agriculture Forest Service(2010), Centennial Edition: Wood Handbook: Wood as an Engineering Material, Madison, WI.
[12] 許秭菱(2017),“實驗研究探討接合形式對鋼-木組合樑結構行為之影響”，國立台北科技大學建築與都市設計研究所碩士論文。
[13] 陳建忠、蔡孟廷(2019),“木構造建築物高度、樓層數相關設計規定檢討研究”，內政部建築研究所協同研究報告。
[14] 林坤賢(2019),“核心型抗彎間柱構件耐震行為試驗與分析”，國立中興大學土木工程研究所碩士論文。
[15] 內政部營建署(2011),“木構造建築物設計及施工技術規範”。
[16] 內政部營建署(2010),“鋼結構極限設計法規範及解說”。
[17] 中華民國鋼結構協會(2019),“鋼結構極限設計法設計手冊”。