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20世纪60年代新泻地区采用小区供水系统以来,按照地区特点实行供水小区化获得很大进展,目前日本许多供水管网都实行小区化。小区的规模,大多为供水人口在1万人以下,因而确保消防用水对决定供水管径有很大的影响。在设计供水管道时,就必须明确该管道所能承担的、同时开启的消火
Since the 1960s Niigata district adopted the district water supply system, great progress has been made in implementing district water supply in accordance with the characteristics of the area. At present, many water supply pipe networks in Japan are undergoing districtization. The size of the community, mostly water supply population below 10,000 people, thus ensuring the fire water use to determine the water supply pipe diameter has a great impact. In the design of water supply pipelines, it must be clear that the pipe can bear, and open the fire