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首页> 外文期刊>Advances in Meteorology >Assessment of Rainfall Intensity Equations Enlisted in the Egyptian Code for Designing Potable Water and Sewage Networks
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Assessment of Rainfall Intensity Equations Enlisted in the Egyptian Code for Designing Potable Water and Sewage Networks

机译：埃及代码中征收降雨强度方程的评估，用于设计饮用水和污水网络

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摘要

The design of combined sewage system networks is based on the sanitary discharge (domestic, industrial) and the runoff generated by rainfall.TheEgyptian code of practice for designing potable water and sewage networks gives two Intensity-Duration-Frequency (IDF) equations to calculate the intensity of rainfall to be applied to all cities of Egypt.The purpose of this research is to study and assess the adequacy of the rainfall intensity equations suggested by the aforementioned Egyptian code. This is carried out taking into consideration the available rainfall ground station measurements and remote sensing Tropical RainfallMeasurementMission (TRMM) satellite rainfall estimates. This assessment leads to the following results. For the Mediterranean coastal cities, the code of practice equations significantly underestimates the rainfall intensities for all storm durations, which may lead to road networks damage and accidents due to hydroplaning and road flooding. On the contrary, formany other southern cities along theNile Valley, the code equations significantly overestimate the rainfall intensities, which affects the economical aspect of the sewage network. Consequently, the current research suggests new rainfall intensity equations instead of the code equations.
机译：组合污水系统网络的设计基于卫生排放（国内，工业）和降雨产生的径流。设计饮用水和污水网络的实践准则提供了两个强度持续时间（IDF）方程来计算降雨强度适用于埃及的所有城市。本研究的目的是研究和评估上述埃及代码所建议的降雨强度方程的充分性。考虑到可用的降雨地站测量和遥感热带雨量估算（TRMM）卫星降雨估计，这是考虑到的。该评估导致以下结果。对于地中海沿海城市来说，实践准则方程式明显低估了所有风暴持续时间的降雨强度，这可能导致道路网络由于水渗透和道路洪水而导致的道路网络损坏和事故。相反，不义南方城市沿唐谷，代码方程明显高估了降雨强度，这影响了污水网络的经济方面。因此，目前的研究表明了新的降雨强度方程而不是代码方程。

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