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Design and Execution of Wood-concrete Deck Bridge

机译:木桥面板的设计与执行

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In Brazil is growing demand of short and medium span bridges not only in the new agriculture borders but also in the secondary roads in advanced regions. Traditional timber bridge not always meet the requirements of quality, they demand continuing maintenance and adequacy to actual heavy traffic. Mixed wood-concrete deck bridge arises as a viable alternative, because of its low construction cost, low maintenance and its high strength and stiffness. This paper presents the studies, design, execution and results from static load tests on wood-concrete deck bridge build with Corymbia citriodora wood specie logs, treated with CCA against xylophages organisms, reinforced medium strength concrete and steel bar connection bonde-in wood with epoxy resin, as shear connectors, were all used in construction system. Loaded tests were performed six months after the release of traffic. Results of the load tests indicate that the bridge performance is satisfactory.
机译:在巴西,不仅在新的农业边界,而且在发达地区的次要道路中,对中短桥的需求都在增长。传统的木桥并非总能满足质量要求,它们需要持续的维护并满足实际的繁忙交通需求。混合木混凝土甲板桥由于其较低的建造成本,较低的维护成本以及较高的强度和刚度而成为一种可行的替代方案。本文介绍了用Corymbia citriodora木质原木建造的混凝土桥面的静载荷试验的研究,设计,执行和结果,CCA处理过的木屑生物,增强的中强度混凝土和钢筋连接粘结环氧树脂树脂,作为剪切连接器,全部用于建筑系统。在流量释放六个月后进行了加载测试。负载测试的结果表明,电桥性能令人满意。

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