Comparison of the o - U' curves based upon the sieve and the VA-tube analyses

By: Call Number: AIT Thesis no. 55 Contributor(s): Material type: TextSeries: SEATO Graduate School of Engineering. Thesis ; no. 55Publication details: Bangkok : SEATO Graduate School of Engineering, 1964Description: 61 pSubject(s): Online resources: Dissertation note: Thesis (M.Eng.) - SEATO Graduate School of Engineering Summary: The duplication of the size distribution curves of 0.19 mm and 0.JJ mm sands, given in Basic data from flume experiments by Simons and Richardson(6) and Daranandana(5) was achieved by the VA-tube test. The duplicated sands were then analyzed by the method of sieve analysis. The dimensionless sediment transport intensity ØT and the dimensionless shear intensity parameter |' were calculated using Einstein's method as based on sieve and VA-tube tests. Curves relating ØT and |' were then plotted. For 0.19 mm sand the ØT - |' curves indicate no signi- ficant change. However, the ØT - |' curves of 0.33 mm sand show an appreciable error if the calculations are performed on different size distribution curves.
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A thesis submitted in partial fulfillment if the requirements for the degree of Master of Engineering in the SEATO Graduate School of Engineering, Bangkok, Thailand.

Thesis (M.Eng.) - SEATO Graduate School of Engineering

The duplication of the size distribution curves of 0.19 mm and 0.JJ mm sands, given in Basic data from flume experiments by Simons and Richardson(6) and Daranandana(5) was achieved by the VA-tube test. The duplicated sands were then analyzed by the method of sieve analysis. The dimensionless sediment transport intensity ØT and the dimensionless shear intensity parameter |' were calculated using Einstein's method as based on sieve and VA-tube tests. Curves relating ØT and |' were then plotted. For 0.19 mm sand the ØT - |' curves indicate no signi- ficant change. However, the ØT - |' curves of 0.33 mm sand show an appreciable error if the calculations are performed on different size distribution curves.

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