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Mechanical Properties of Adhesive-Free Cross-Laminated Timber
| 题名： | Mechanical Properties of Adhesive-Free Cross-Laminated Timber |
| 正文语种： | eng |
| 作者： | Bo-Han Xu;Sheng-Du Zhang;Yan-Hua Zhao;Abdelhamid Bouchaïr;Binsheng Zhang |
| 作者单位： | Dalian Univ. of Technology;Dalian Univ. of Technology;Dalian Univ. of Technology;Institut Pascal;Glasgow Caledonian Univ. |
| 关键词： | Adhesive-free cross-laminated timber;Dowelled cross-laminated timber (DCLT);Densified wood (DW) dowel;Bending strength;Effective bending stiffness;Effective shear modulus |
| 摘要： | Abstract In order to reduce the use of adhesives, the development of adhesive-free engineered wood products is one of the research focuses in timber structures. This paper studies the mechanical properties of cross-laminated timber beams connected by densified wood (DW) dowels. Four-point bending tests were performed to study the influence of the arrangement and number of DW dowels on the bending strength and effective bending stiffness of the dowelled cross-laminated timber (DCLT) beams with three layers. The modified planar shear test was adopted to determine the effective shear properties of the DCLT. Cross-laminated timber (CLT) beams were also tested as references. Although the bending and shear properties of the DCLT were lower than those of the CLT, the DCLT showed a significantly larger ductility. The gamma method is promising for determining the effective bending stiffness of the DCLT using the effective shear modulus obtained from the shear test. |
| 出版年： | 2022 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 148 |
| 期： | 9 |
| 页码： | 1-7 |
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