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首页> 外文会议>7th World Conference on Timber Engineering, WCTE 2002 Vol.2, Aug 12-15, 2002, Shah Alam, Malaysia >STRENGTHENING THE TIMBER GLULAM BEAMS WITH FRP PLATES
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STRENGTHENING THE TIMBER GLULAM BEAMS WITH FRP PLATES

机译：用FRP板加强木梁梁

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摘要

For the last few years, the intensive research of the strengthening possibility of the glulam timber beams by using FRP plates has been done. This article presents the results of the lab tests and numerical analyses done at the Faculty of Civil Engineering in Zagreb. The lab tests were done on real specimens of glulam timber beams of 3.9 m span. Tested were beams with straight and with radial arched intrados, and with double-pitched extrados. The numerical analyses were done by using, FEM software COSMOS/M 2.5. The main goal of the tests was to determine the possibility of strengthening the glulam timber beams by using FRP plates. The research was done by testing possibility of strengthening the tensile stresses perpendicular to the grains in apex zone of researched beams, as well as strengthening the beams by built-in FRP plates in tension zone. Strengthening in apex zone was tested by gluing FRP plates perpendicular to the grain on outer surfaces of the glulam timber beams. Gluing the FRP plates was done by two-component epoxy resin produced in Switzerland by Scherer & Partner whose FRP plates were also used for this testing.
机译：在过去的几年中，已经对使用FRP板加固胶合木梁的可能性进行了深入研究。本文介绍了萨格勒布土木工程学院进行的实验室测试和数值分析的结果。实验室测试是在跨度为3.9 m的胶合木梁的真实样本上进行的。测试的是具有直拱形和径向拱形拱形以及双斜拱形拱形的梁。数值分析是使用FEM软件COSMOS / M 2.5进行的。测试的主要目的是确定使用FRP板加固胶合木梁的可能性。通过测试是否有可能在研究梁的顶点区域中增强垂直于晶粒的拉伸应力，以及通过在张力区域中内置FRP板来增强梁来完成这项研究。通过在胶合木横梁的外表面上粘贴垂直于谷物的FRP板来测试顶点区域的增强。胶合玻璃钢板是由Scherer＆Partner在瑞士生产的两组分环氧树脂完成的，该玻璃钢板也用于此测试。

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