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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers. Part L, Journal of Materials: Design and Application >Study of reinforced beam of concrete-wooden composite on basis of its failure type and mechanical properties
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Study of reinforced beam of concrete-wooden composite on basis of its failure type and mechanical properties

机译：基于破坏类型和力学性能的混凝土-木复合材料加筋梁的研究

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摘要

Concrete-wooden composite beams are structural systems in which an upper concrete flange is connected to a lower timber web. In this study, the concrete-wooden composite beams are produced by using tangential boards of Pinus sp. (dimensions of 100cmx5cmx2.5cm). The concrete is reinforced by nail and wire. Concrete-wooden composite beams are made from two types of design. The two arrangement types include one side of the timber and opposite side concrete and, also, it includes the two side timbers and concrete center. Nails (No. 4 and 5) with 3cm and 5cm spacing were used for preparing wooden-concrete composite. The nails were hammered about 1.5cm deep into the boards. After the wooden-concrete composite beams were constructed, their mechanical properties (three-point bending) were measured. The results showed that composite beams with nailing spaces of 3cm, the concrete height of 5cm, and the arrangement of two side timbers have been the best mechanical properties. Whereas composite beams with one-sided timber, nailing spaces of 5cm, and the concrete height of 10cm have shown the least mechanical strength. The beams of concrete-wooden composite have shown a nonlinear break behavior.
机译：混凝土-木复合梁是一种结构系统，其中上部混凝土法兰连接到下部木腹板。在这项研究中，混凝土-木复合梁是使用Pinus sp。的切向板生产的。 （尺寸为100cmx5cmx2.5cm）。混凝土用钉子和铁丝加固。混凝土-木复合梁由两种类型的设计制成。两种布置类型包括木材的一侧和相对侧的混凝土，并且还包括两侧的木材和混凝土中心。用间距为3cm和5cm的钉子（第4号和第5号）制备木质混凝土复合材料。将钉子锤入木板约1.5厘米深。构造木混凝土组合梁后，测量其机械性能（三点弯曲）。结果表明，钉距为3cm，混凝土高度为5cm，两侧木材的排列方式的复合梁是最佳的机械性能。具有单侧木材的复合梁，钉距为5cm，混凝土高度为10cm时，机械强度最低。混凝土-木复合材料梁显示出非线性破坏行为。

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