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首页> 外文会议>STP 1504; ; >Quality Assurance Program for Soldering Copper Roofs
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Quality Assurance Program for Soldering Copper Roofs

机译：焊接铜屋顶的质量保证计划

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Since the early 1700s, the art of coppersmithing has been used to construct watertight roofing systems. For low slope, flat seam roofing systems, soldered locked seams and riveted lap joints are essential for the success of this type of system. However, industry standards for testing and monitoring quality assurance to produce a watertight metal roofing product are vague and are not adequately equated to contractor performance. This paper will trace the development of a soldering quality assurance program developed for historical roofing restoration projects requiring watertight seams.The replacement of the original copper roofing on Kingswood School, Cranbrook Educational Community, a National Historic Landmark in Michigan, serves as a model for this current research. Designed by noted architect Eliel Saarinen and constructed in 1931, the building's extensive copper roof is a character-defining feature of the Prairie Style structure. Because of the importance of the architectural feature, a quality assurance program during reconstruction was necessary to develop a confidence level that performance of the copper roofing would meet or exceed expectations. Procedures were developed for certifying coppersmiths for flat locked and riveted seams. Standardized field observations and reports were created to provide continuous documentation of the contractor's work. Variables examined in the work included joint geometry and soldering necessary for the production of watertight seams. Field observations include solder consumption rates to ensure adequate penetration of the seam.This quality assurance program is designed to identify crucial aspects of a copper roofing system in order to effectively evaluate compliance with design requirements. The program recognizes the need for traditional artistry while incorporating new technology to improve roofing performance. The methodology presented in this paper can be directly employed to develop standards for monitoring copper roof system construction.
机译：从1700年代初期开始，铜匠工艺就被用于建造防水屋顶系统。对于低坡度的平缝屋面系统，钎焊锁缝和铆接搭接对于此类系统的成功至关重要。但是，用于测试和监视生产防水金属屋顶产品的质量保证的行业标准含糊不清，不能充分等同于承包商的表现。本文将跟踪为需要防水密封接缝的历史性屋顶修复项目开发的焊接质量保证程序的开发情况。替换密歇根州国家历史地标Cranbrook教育社区的Kingswood学校的原始铜质屋顶，以此作为模型。目前的研究。由著名建筑师埃里尔·萨里宁（Eliel Saarinen）设计并建造于1931年，该建筑宽大的铜屋顶是草原风格结构的标志性特征。由于建筑特征的重要性，必须在重建期间制定质量保证计划，以建立铜屋面性能将达到或超过预期的置信度。开发了用于认证平锁和铆接接缝的铜匠的程序。创建了标准化的现场观察和报告，以连续记录承包商的工作。在工作中检查的变量包括生产水密接缝所需的接头几何形状和焊接。现场观察包括焊料消耗率，以确保焊缝充分渗透。此质量保证计划旨在识别铜屋面系统的关键方面，以便有效评估对设计要求的符合性。该计划认识到传统艺术的必要性，同时结合了新技术来改善屋面性能。本文介绍的方法可直接用于制定监测铜屋顶系统建设的标准。

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