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李向民1,2

（1 上海市建筑科學(xué)研究院(集團(tuán))有限公司， 上海 200032；

2 上海市工程結(jié)構(gòu)新技術(shù)重點實驗室， 上海 200032）

［摘要］對采用竹板加固的7根木梁進(jìn)行了對比試驗研究，其中3根為對比試件，4根為粘貼竹板加固木梁試件。研究結(jié)果表明：在梁底粘貼竹板加固后，木梁受彎承載力可提高71%～93%，平均提高83%；初始彎曲剛度平均提高58%；破壞位移平均增加62%；加固木梁跨中截面仍基本符合平截面假定?？梢?，粘貼竹板加固木梁可大范圍推廣。

［關(guān)鍵詞］木梁; 竹板; 加固; 受彎承載力

中圖分類號：TU366文獻(xiàn)標(biāo)識碼：A文章編號：1002848X(2013)06009504

Experimental study on timber beams flexural strengthened with bamboo plates

Li Xiangmin1,2

(1 Shanghai Research Institute of Building Sciences (Group) Co., Ltd., Shanghai 200032, China;

2 Shanghai Key Laboratory of New Technology Research on Engineering Structure, Shanghai 200032, China)

Abstract:The comparative experimental study on 7 timber beams were tested, including 3 reference timber beams and 4 timber beams strengthened with bamboo plates. The test results show that the flexural capacity of timber beams increases by 71%～93% (with an average value of 83%) after strengthened by bamboo plates. The initial stiffness and the ultimate displacement of the strengthened beams also significantly increase by 58% and 62% on average, respectively. The middlespan section of the strengthened timber beams is also in accord with the plane crosssection assumption. This study has shown that strengthening timber beams with bamboo plates is a very promising lowcarbon and convenient technique.

Keywords:timber beam; bamboo plate; strengthening; flexural capacity

*國家“十二五”科技支撐計劃課題（2012BAJ06B02）。

作者簡介：李向民，博士，高級工程師，Email: lxm_sh@tom.com。

參考文獻(xiàn)

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［6］許清風(fēng),陳建飛,李向民. 粘貼竹片加固木梁的研究［J］. 四川大學(xué)學(xué)報:工程科學(xué)版，2012,44(1):3642.

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