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随着坡屋面的重新崛起,作为坡屋面的主选瓦材之一———沥青油毡瓦的市场前景越来越好,已经投入生产或准备生产的企业越来越多。为了避免一些企业不讲条件、一哄而上,防止伪劣产品冲击市场,促进沥青油毡瓦健康发展,加大对沥青油毡瓦质量监管力度已成为当务之急。继1997年防水卷材生产许可证换发将沥青油毡瓦列入领证品种后,即将实施的本次生产许可证换发工作也将沥青油毡瓦作为主要监管品种之一。有关企业如何从设备、技术、管理上做好准备,成为大家普遍关心的问题。上海建筑防水(集团)公司2001年从德国引进了具有国际先进… 相似文献
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关于沥青油毡瓦的思考 总被引:1,自引:0,他引:1
分析了沥青油毡瓦的组成、标准及应用。提出可溶物含量的大小并不是区分沥青防水材料防水性优劣的唯一标准;介绍延长砂砾褪色年限及减少落砂率的方法;认为沥青油毡瓦的标准不应局限于防水卷材的指标项目.而应体现瓦的特点;指出沥青油毡瓦在多层屋面应用的缺点;提出目前该产品已供过于求,在近期扩大投资宜慎重行事。 相似文献
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标准根据"NRCA 2007—08陡坡屋面材料指南",美国市场上有129种沥青油毡瓦产品,来自9个制造厂。与沥青油毡瓦有关的标准有许多,它们是区别和正确选择各种油毡瓦产品的有效手段。 相似文献
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从范围、原材料要求、组分要求、物理力学性能等方面对比分析了我国现行油毡瓦标准与欧美标准的区别,提出了我国制订沥青油毡瓦国家标准的的原则。 相似文献
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Mendez CB Klenzendorf JB Afshar BR Simmons MT Barrett ME Kinney KA Kirisits MJ 《Water research》2011,45(5):2049-2059
Due to decreases in the availability and quality of traditional water resources, harvested rainwater is increasingly used for potable and non-potable purposes. In this study, we examined the effect of conventional roofing materials (i.e., asphalt fiberglass shingle, Galvalume® metal, and concrete tile) and alternative roofing materials (i.e., cool and green) on the quality of harvested rainwater. Results from pilot-scale and full-scale roofs demonstrated that rainwater harvested from any of these roofing materials would require treatment if the consumer wanted to meet United States Environmental Protection Agency primary and secondary drinking water standards or non-potable water reuse guidelines; at a minimum, first-flush diversion, filtration, and disinfection are recommended. Metal roofs are commonly recommended for rainwater harvesting applications, and this study showed that rainwater harvested from metal roofs tends to have lower concentrations of fecal indicator bacteria as compared to other roofing materials. However, concrete tile and cool roofs produced harvested rainwater quality similar to that from the metal roofs, indicating that these roofing materials also are suitable for rainwater harvesting applications. Although the shingle and green roofs produced water quality comparable in many respects to that from the other roofing materials, their dissolved organic carbon concentrations were very high (approximately one order of magnitude higher than what is typical for a finished drinking water in the United States), which might lead to high concentrations of disinfection byproducts after chlorination. Furthermore the concentrations of some metals (e.g., arsenic) in rainwater harvested from the green roof suggest that the quality of commercial growing media should be carefully examined if the harvested rainwater is being considered for domestic use. Hence, roofing material is an important consideration when designing a rainwater catchment. 相似文献
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介绍了坡屋面多彩玻纤沥青瓦的特点,并对其适用范围进行了论述,研究了其施工原理和具体的施工工艺流程,并对其关键施工技术及主要的质量控制要点进行了分析,以供借鉴。 相似文献
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以仿古建筑小青瓦屋面施工为例,阐述了小青瓦施工前期准备、施工准备、瓦屋面施工、屋面调脊等施工过程中的技术要点及注意事项,以充分展示仿古建筑的外部特征,体现中国传统建筑的统一性。 相似文献
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页岩瓦因其弯折性较好、安装简便、外型美观、环保节能和防水效果良好等优点,被应用于坡度各异、形状复杂的别墅的坡屋面。本文结合工程实例,对页岩瓦的施工技术进行了详细的阐述,以供类似工程参考。 相似文献
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和兴佳园是天津市示范小镇项目,该项目屋面采用了中国红系彩色波形沥青瓦与波形沥青防水板相结合的方案,保证屋面防水通风的同时增加了建筑美感.文章介绍了挂瓦条、防水板和彩色波形沥青瓦的铺设工艺,并详述了屋脊、悬山等细部节点的防水处理. 相似文献
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英红瓦从原料选用和生产工艺两方面保证了其质量优良,能在曼宁家凉爽通风屋面系统中很好地应用.本文叙述了它在中粮本源别墅区项目应用中的施工工艺,指出它可增强屋面系统的保温、隔热性能,且施工便捷,完成的屋面美观大方. 相似文献