oa Civil Engineering = Siviele Ingenieurswese - Standard intensiteitskrommes vir reenval van kort duurtes
Eight sets of standard intensity-duration-return period curves are presented representing different classes of intensities. Intensities may be read from these curves for durations of 5 to 60 minutes, and a point value for a duration of 120 minutes, for any place in South Africa. The class of intensity to be used for a particular place may be chosen using the suggested grouping of 62 gauging stations as a guideline and/or by using one of the existing methods by which intensities may be determined.
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