Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN: 9781337705028
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Question
Chapter 5, Problem 5.1P
To determine
Show that the compactive energy in method C is
Expert Solution & Answer
Explanation of Solution
Given information:
The mold volume (V) is
Mass of the hammer (m) 4.54 kg.
The hammer drop height (h) is 457.2 mm.
The number of layers of compaction (N) is 5.
The number of blows per layer is 56.
Calculation:
Determine the energy per blow.
Determine the total energy imparted to the soil in the mold.
Determine the energy per unit volume.
Therefore, the compactive energy in method C is
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Students have asked these similar questions
Two types of compaction tests are typically performed in the laboratory. These tests are the
standard proctor test and the modified proctor test.
O True
False
1) Give the comparison between the Standard Proctor Test and the Modified Proctor Test
in terms of the ff:
a. Drop Height
b. Hammer/Rammer Weight
No. of layers
c.
d. Energy (Compactive effort)
5. Estimate the cost of compacting 3700 CCM using a roller compactor based on the following information:
The number of passes required = 10
Width compacted per pass = 2m
Compactor speed = 7km/h
Compacted lift thickness = 0.3m
Job efficiency = 55min/h
Cost per hour = $150
Chapter 5 Solutions
Principles of Foundation Engineering (MindTap Course List)
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