Q4) Determine the required SOR and scour velocity in a grit chamber to remove gritparticles of 0.23 mm diameter and S.G. -2.66, and suspended organic particlesof 0.16 mm diameter and S.G.= 1.2.Assume: CD-10, B-0.06, f=0.03(10 marks)

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Answered: Q4) Determine the required SOR and…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Kindly answe the question in the image given below (Q3)
A consolidated, undrained tri axial test was carried out on a 73.0 mm diameter and 146.6 mm-long decomposed granodiorite sample at an initial water content of 26%. The sample was obtained from Palmerston Highway, North Queensland, Australia, to back-analyze a slope failure, and wasinitially consolidated under a cell pressure of 200 kPa and backpressure of 150 kPa. The drainage valvewas dosed and the cell pressure was increased to 254 kPa when the pore water pressure increased to182 kPa. Find Skempton's B-parameter. The nature of the soil sample is such that it was not possibleto achieve a higher B value. The drainage valve was opened and the sample was consolidated furtherunder the cell pressure of 254 kPaand backpressure of 150 kPa. At the end of consolidation, the drainage valve was dosed, locking in thebackpressure in preparation for the undrained loading. The axial strain 8, additional vertical stressapplied to the sample under undrained conditions Δσ', and the pore water pressure…
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Q4) Determine the required SOR and scour velocity in a grit chamber to remove grit particles of 0.23 mm diameter and S.G. -2.66, and suspended organic particles of 0.16 mm diameter and S.G.= 1.2. Assume: CD-10, B-0.06, f=0.03 (10 marks)