11.3. A roadway has a flow depth at the curb of 9 cm and a corresponding flow rate in the gutter of 0.1 m³/s. If the gutter flow is to be removed in a vertical sag by a 15-cm- high curb inlet, determine the minimum required length of the inlet. Consider the cases where: (a) the width of the inlet depression is 0.3 m, and (b) there is no inlet depression.

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter16: Highway Drainage
Section: Chapter Questions
Problem 19P
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11.3. A roadway has a flow depth at the curb of 9 cm and a
corresponding flow rate in the gutter of 0.1 m³/s. If the
gutter flow is to be removed in a vertical sag by a 15-cm-
high curb inlet, determine the minimum required length
of the inlet. Consider the cases where: (a) the width of
the inlet depression is 0.3 m, and (b) there is no inlet
depression.
Transcribed Image Text:11.3. A roadway has a flow depth at the curb of 9 cm and a corresponding flow rate in the gutter of 0.1 m³/s. If the gutter flow is to be removed in a vertical sag by a 15-cm- high curb inlet, determine the minimum required length of the inlet. Consider the cases where: (a) the width of the inlet depression is 0.3 m, and (b) there is no inlet depression.
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