Problem 4 Consider the upward flow of water through a layer of sand in a tank as shown in the figure. Properties of sand: Void ratio e = 0.52 Specific gravity of solids = 2.67 1. Calculate the effective stress at B. 2. What is the upward seepage force per unit volume of soil? 3. What is the rate of upward seepage of water in m³/hour if K = 2 x 10-³ m/sec and area of tank is 0.45 m²? h=1.5 0.70 m 2m In flow Ysat B H₂o valve open 1% 1 m

Problem 4 Consider the upward flow of water through a layer of sand in a tank as shown in the figure. Properties of sand: Void ratio e = 0.52 Specific gravity of solids = 2.67 1. Calculate the effective stress at B. 2. What is the upward seepage force per unit volume of soil? 3. What is the rate of upward seepage of water in m³/hour if K = 2 x 10-³ m/sec and area of tank is 0.45 m²? h=1.5 0.70 m 2m In flow Ysat B H₂o valve open 1% 1 m

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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Concept explainers

Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.

Question

Problem 4
Consider the upward flow of water through a layer of sand in a tank as shown in the figure.
Properties of sand:
Void ratio e = 0.52
Specific gravity of solids = 2.67
1. Calculate the effective stress at B.
2. What is the upward seepage force per unit volume of soil?
3. What is the rate of upward seepage of water in m³/hour if K = 2 x 10-³ m/sec and area of tank is
0.45 m²?
h=1.5
0.70 m
2 m
In flow
Ysat
H₂o
valve
open
1 m

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