在工业和民用建筑中,檐口排水方式分有水落管和无水落管(自由排水)两种。长期以来,人们习以年降雨量与檐口高度二者作为选择檐口排水方式的主要依据,认为在刮风下雨时,檐口水容易湿墙、进窗,而且风愈大、房愈高,这些现象更严重,因而对不设水落管的做法存在顾虑。本文作者西安冶金建筑学院副教授广士奎和夏云二位同志,针对上述问题进行了大量的调查和实验工作,分析研究结果认为:檐口水落管排水,在不同地区、不 In industrial and civil buildings, there are two types of drainage methods: water downpipes and no-fall pipes (free drainage). For a long time, people used the annual rainfall and cornice height as the main basis for choosing the drainage method of the cornice. It is believed that when the wind is raining, the mouthwash easily wets the wall and enters the window, and the larger the wind, the higher the housing. The phenomenon is more serious and there are concerns about the practice of not setting down pipes. The author of this article, the associate professors of Xi’an Institute of Metallurgy and Architecture, Guangshi Kui and Xia Yun, conducted a large number of investigations and experimental work on the above issues. The analysis and study found that: the rinse water drainage in different regions, not