elevation:Find the total head for points A and BFind the hydraulic gradient for the systemWhat is the pressure head at C? (in other words, if we install a piezometer at C, howhigh would the water level rise?)If 1.5 cm of water flows through the soil in 2 min, what is the hydraulic conductivity forthe soil?A=10 cm26cm9cm4cmJASOIL--- DATUM10cm

The total head (H) in the soil is equal to the sum of the pressure head and datum head. The velocity…

Answered: Find the total head for points A and B…

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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Question

elevation:
Find the total head for points A and B
Find the hydraulic gradient for the system
What is the pressure head at C? (in other words, if we install a piezometer at C, how
high would the water level rise?)
If 1.5 cm of water flows through the soil in 2 min, what is the hydraulic conductivity for
the soil?
A=10 cm2
6cm
9cm
4cm
JA
SOIL
--- DATUM
10cm

Expert Solution

Step 1: Define the terms

The total head (H) in the soil is equal to the sum of the pressure head and datum head. The velocity head is negligible in the soil because the velocity of flow in the soil is very less.
The hydraulic gradient (i) is defined as the head loss per unit seepage length (L).
- $i = \frac{H}{L}$
The pressure head (h)at any point of the soil is
- $h = H - ∆ H$
The coefficient of permeability of the soil by the constant head method,
- $K = \frac{Q}{i A}$
- where
- Q - Discharge
- i - Hydraulic gradient
- A - Cross-sectional area

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