Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN: 9781305081550
Author: Braja M. Das
Publisher: Cengage Learning
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E
D
(B)
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2945
3725
250
2225
Car
Port
5000
2500
Pool
Area
2
3925
3465
2875
13075
Staff Room
Bar Counter
1
GROUND FLOOR PLAN
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1:100
Hallway
3
1560
4125
3125
$685
Laundry & Service
Area
5
A
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B
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5480
1800
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3465
2
3
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3575
3925
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Bedroom 2
SECOND FLOOR PLAN
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OPEN TO
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E
B
A
3
3725
2150
1330
2945
5480
4150
1925
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3575
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Toilet &
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+
Q2/
In a design of a portable sprinkler system, the following information is given:
•
•
The sprinklers are distributed in a square pattern with radius of the wetted circle of
the sprinkler=15 m
Consumption rate = 10 mm/day
Efficiency of irrigation = 60%
Net depth of irrigation (NDI)= 80 mm.
Find the following:
1-Sprinkler application rate if HRS = 11.
2-Number of pipes required for irrigation.
(50 Marks)
3-Discharge of sprinkler, diameter of nozzle, and the working head pressure if C=0.90.
4-Diameter of the sprinkler pipe for Slope=0.
5-Pressure head at the inlet and at the dead end of the sprinkler pipe for Slope=0.
(F² + L²)((SF)² + L²)
L²
2L² ≤ D²
L² + S² ≤ D²
A, = * 1000
S*L
≤D²
N W
Af
m-11-P L'
Hf
= 1.14*109 *
1.852 *
L
*F,where c=120
D4.87
Source
main pipe
180 m
540 m
N
1
1 √m-1
F =
im/Nm+1
=
+
+
m+1
2N
6N2
i=1
Nozzle diameter (mm)
3< ds 4.8
4.8< ds 6.4
6.4
Miniatry of Higher
scent Research
University of Ke
Faculty of Engineering
Cell Engineering Department
2024-2025
Mid Exam-1 st Attempt
Time
Date: 17/04/2025
Notes: Answer all questions. Not all figures are to scale. Assume any values if you need them.
Q1/ A farm with dimensions and slopes (50 Marks)
=
shown in the figure below. If you asked
to design a border irrigation system and
if you know that Net depth of irrigation
- 96mm .Manning coefficient = 0.15,
Time of work in the farm is 6
hours/day. Design consumption use of
water from the crop (ET) 16 mm/day,
Width of the agricultural machine equal
to 2.5m, Equation of infiltration - D=
12-05 and Efficiency of irrigation=
60%. You can neglect the recession lag
time. Find the width and number of the
borders, Irrigation interval and time
required to irrigate the whole farm,
Depth of flow in the inlet of border
Number of borders that irrigated in one
day and The neglected recession lag
time
Slope of irrigation %
Maximum border width
0-0.1
30…
Chapter 9 Solutions
Principles of Foundation Engineering (MindTap Course List)
Ch. 9 - A 20 m long concrete pile is shown in Figure...Ch. 9 - Refer to the pile shown in Figure P9.1. Estimate...Ch. 9 - Prob. 9.3PCh. 9 - A driven closed-ended pile, circular in cross...Ch. 9 - Prob. 9.5PCh. 9 - Prob. 9.6PCh. 9 - Prob. 9.7PCh. 9 - Prob. 9.8PCh. 9 - Prob. 9.9PCh. 9 - A concrete pile 16 in. 16 in. in cross section is...
Ch. 9 - Prob. 9.11PCh. 9 - Solve Problem 12.13 using Eqs. (12.59) and...Ch. 9 - Prob. 9.13PCh. 9 - Prob. 9.14PCh. 9 - A steel pile (H-section; HP 310 125; see Table...Ch. 9 - A concrete pile is 20 m long and has a cross...Ch. 9 - Prob. 9.17PCh. 9 - Prob. 9.18PCh. 9 - Solve Problem 12.23 using the method of Broms....Ch. 9 - Prob. 9.20PCh. 9 - Solve Problem 12.25 using the modified EN formula....Ch. 9 - Solve Problem 12.25 using the modified Danish...Ch. 9 - Figure 12.49a shows a pile. Let L = 15 m, D (pile...Ch. 9 - Redo Problem 12.30 assuming that the water table...Ch. 9 - Refer to Figure 12.49b. Let L = 18 m, fill = 17...Ch. 9 - A concrete pile measuring 16 in. × 16 in. in cross...Ch. 9 - The plan of a group pile is shown in Figure...Ch. 9 - Prob. 9.28PCh. 9 - The section of a 4 × 4 group pile in a layered...Ch. 9 - Prob. 9.30P
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