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首页> 外文会议>6th International conference on advanced composite materials in bridges and structures 2012 >A CASE STUDY ON THE BELL ALIANT COMMUNICATIONS TOWER USING GFRP AS AN ALTERNATIVE TO CORROSION RESISTANT COATINGS
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A CASE STUDY ON THE BELL ALIANT COMMUNICATIONS TOWER USING GFRP AS AN ALTERNATIVE TO CORROSION RESISTANT COATINGS

机译：GFRP替代耐腐蚀涂层的钟形通信塔的案例研究

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摘要

The Bell Aliant Communications tower was opened in June of 1971 and standing at 417' is the tallest free standing concrete structure in Canada, East of Toronto. Exposure to the severe elements associated with Canada's East Coast climate (high wind, freezing winters, and hot summers) has taken its toll on the existing concrete surface. The owner recognized that the towers' current surface finish was weathering and that spalling concrete was a potential hazard, not to the structural integrity of the structure, but to the general public below. The owner retained a consulting company to perform a structural and surface evaluation and prepare a current condition assessment report of the structure. After reviewing industry standard coating systems, it was found that the solution which offered the best value in terms of protection, durability and life cycle costing was to wrap the entire structure using externally bonded Glass Fiber Reinforced Polymers (GFRP). The final design including required surface repairs, selected coatings and installation methods will be discussed in detail. All materials and labour were manufactured and supplied by one company, ensuring compatibility and the highest QA/QC.
机译：Bell Aliant通讯塔于1971年6月开放，高417'，是加拿大多伦多东部最高的独立混凝土结构。暴露于与加拿大东海岸气候相关的严峻因素（强风，严寒的冬季和炎热的夏天）已经对现有的混凝土表面造成了损失。所有者认识到，塔的当前表面光洁度正在风化，散落的混凝土是潜在的危害，不是对结构的结构完整性，而是对下面的普通公众的危害。所有者聘请了一家咨询公司来进行结构和表面评估，并准备该结构的现状评估报告。在审查了行业标准的涂层系统后，发现在保护，耐用性和生命周期成本方面提供最佳价值的解决方案是使用外部粘合的玻璃纤维增​​强聚合物（GFRP）包裹整个结构。将详细讨论最终设计，包括所需的表面修复，选定的涂料和安装方法。所有材料和人工均由一家公司生产和供应，以确保兼容性和最高的QA / QC。

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