Figure 1. shows a barrier system consisting of a primary leachate collection system, a primary clay liner with a hydraulic conductivity of 10° m/s underlain by a hydraulic control (HC) layer. It is assumed that the HC layer is kept free draining without significant build-up of head in this layer. Therefore, there is no head loss between point B and C. Underneath the HC layer there is 1.5m thick natural clay (secondary clay liner) with hydraulic conductivity of 5 x 10-10 m/s and an aquifer. a) Calculate the total head at A, B & D. b) Calculate the rate of flow per unit area for the secondary liner. c) Calculate the pore water pressure in kPa at point B 1.5 m DATUM 0.2 m Leachate Collection 1.2 m Primary Liner 0.1 m -Hydraulic Control k=0.1 mis 1.5 m Secondary Liner Aquifer Fig 1. Barrier system

Figure 1. shows a barrier system consisting of a primary leachate collection system, a primary clay liner with a hydraulic conductivity of 10° m/s underlain by a hydraulic control (HC) layer. It is assumed that the HC layer is kept free draining without significant build-up of head in this layer. Therefore, there is no head loss between point B and C. Underneath the HC layer there is 1.5m thick natural clay (secondary clay liner) with hydraulic conductivity of 5 x 10-10 m/s and an aquifer. a) Calculate the total head at A, B & D. b) Calculate the rate of flow per unit area for the secondary liner. c) Calculate the pore water pressure in kPa at point B 1.5 m DATUM 0.2 m Leachate Collection 1.2 m Primary Liner 0.1 m -Hydraulic Control k=0.1 mis 1.5 m Secondary Liner Aquifer Fig 1. Barrier system

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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