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首页> 外文会议>6th International conference on advanced composite materials in bridges and structures 2012 >COMPOSITE AND THERMALLY EFFICIENT PRECAST CONCRETE SANDWICH PANELS USING CFRP GRID
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COMPOSITE AND THERMALLY EFFICIENT PRECAST CONCRETE SANDWICH PANELS USING CFRP GRID

机译：CFRP网格复合和高效的预制混凝土夹芯板

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摘要

The effective use of FRP materials in reinforced and prestressed concrete is not a new challenge, but one that is decades old. Due to recent advances in the prestressed precast concrete industry, many of the practical, technical and economic challenges of implementing FRP materials in new concrete construction have been addressed. This paper presents some of the emerging developments and established applications related to the use of FRP materials for the precast concrete industry. The paper focuses on the innovative use of FRP materials in several selected precast technologies including insulated precast wall panels and architectural.cladding. The motivation for the use of these materials is in their ability to produce excellent thermally efficient wall systems due to its low thermal conductivity. The paper summarizes extensive experimental work undertaken to evaluate the use of carbon fiber reinforced polymer (CFRP) grid as a shear transfer mechanism for precast load bearing sandwich panels and architectural cladding. The research investigated the effect of several parameters believed to affect the shear flow strength of the CGRID/foam insulation material mechanism, including the type of rigid insulating foam, the spacing between rows of CFRP grids, and the thickness of the foam insulation. The unique advantages of these CFRP reinforced systems are highlighted, and the primary structural mechanisms of the CFRP materials are presented.
机译：在钢筋混凝土和预应力混凝土中有效使用FRP材料并不是一个新的挑战，而是几十年来的挑战。由于预应力预制混凝土行业的最新进展，已经解决了在新型混凝土结构中实施FRP材料的许多实际，技术和经济挑战。本文介绍了与在预制混凝土行业中使用FRP材料有关的一些新兴发展和已确立的应用。本文重点介绍了FRP材料在几种选定的预制技术中的创新应用，包括隔热预制墙板和建筑外墙。使用这些材料的动机是由于其导热系数低，因此能够生产出优异的热效率壁系统。本文总结了广泛的实验工作，以评估碳纤维增强聚合物（CFRP）网格作为预制承重夹芯板和建筑覆层的剪切传递机制的用途。这项研究调查了被认为会影响CGRID /泡沫绝缘材料机理的剪切流动强度的几个参数的影响，包括硬质绝缘泡沫的类型，CFRP网格之间的间距以及泡沫绝缘的厚度。强调了这些CFRP增强系统的独特优势，并介绍了CFRP材料的主要结构机理。

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