oa Civil Engineer in South Africa - Modified kerb inlet design for improved hydraulic performance : technical paper
|Article Title||Modified kerb inlet design for improved hydraulic performance : technical paper|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineer in South Africa|
|Author||A. Van Schalkwyk, A. Rooseboom and C.J. Kroon|
|Publication Date||Jun 1988|
|Pages||287 - 289|
Kerb inlets are critical and expensive components of stormwater systems. The cost-effectiveness of a stormwater system depends largely on the hydraulic efficiency of its kerb inlets. Boksburg Municipality has developed a system with improved interception capacity at reduced cost per inlet. Field tests were undertaken to determine the hydraulic efficiency of the modified inlets and to check the applicability of the National Transport Commission (NTC) kerb inlet design charts for the design of such inlets. The tests proved the validity of the NTC design charts in the cases that were tested. It also became evident from the NTC charts that the interception capacity was far more sensitive to changes in effective length of the inlet than to changes in street gradient.
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