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首页> 外文期刊>Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie >Chronological review of South African guidelines for residential average annual water demand with property size as independent variable
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Chronological review of South African guidelines for residential average annual water demand with property size as independent variable

机译：南非关于居民平均年需水量准则的时间顺序审查，以房地产规模作为独立变量

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Guidelines for residential average annual water demand (AADD) based on property size were introduced to the South African Civil Engineering fraternity in about 1960, with the most recent publication of such guidelines in 2008. The AADD forms the basis of calculations performed during the design and analysis of water systems. Over the years technology has improved, scientific progress was made and demand has changed, resulting in improved and updated guidelines for AADD. Changes in the guidelines over the years could be considered to be a result of improvement– larger and more accurate data sets are nowadays analysed statistically by improved computer technology. Also, the changes are considered to be the result of scientific advances in the fields of metering, modelling and analysis of water demand. Finally, actual changes in demand occur with time. This research provides the first documented review of the chronological development of AADD guidelines in South Africa. It is noted that only two guidelines were used for relatively long periods of time. In both cases the guidelines would not compare favourably to others from a pure research perspective, but their successful application is the result of a co-ordinated educational and marketing effort. The value of a sustained guideline structure (AADD versus stand size in this case) is also underlined.
机译：基于财产规模的住宅平均年需水量（AADD）准则于1960年左右引入南非土木工程兄弟会，该准则于2008年最新发布。AADD构成了设计和设计过程中进行的计算的基础。水系统分析。多年来，技术不断进步，科学进步，需求也发生了变化，从而导致了AADD指南的改进和更新。多年来指南的变化可以认为是改进的结果–如今，通过改进的计算机技术可以对统计数据进行更大，更准确的分析。同样，这些变化被认为是对水需求的计量，建模和分析领域科学进步的结果。最后，需求的实际变化会随着时间发生。这项研究提供了南非AADD指南按时间顺序发展的第一份文献记录。要注意的是，在相对较长的时间内仅使用了两个准则。在这两种情况下，从纯粹的研究角度来看，这些指南都无法与其他指南相提并论，但其成功应用是协调一致的教育和营销工作的结果。还强调了可持续准则结构的价值（在这种情况下，AADD与林分大小）。

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