1. Draw the compaction curve using the following given data from a standard Proctor test. 2. From the compaction curve you drawn, determine the Optimum Moisture Content and the Maximum Dry Unit Weight. Dry unit weight, yd (lb/ft³)13012011010090Volume ofmold (FT)1/301/301/301/301/301/300Weight ofmoist soil inthe mold (lb)3.784.014.144.124.013.904Moisturecontent (%)101214161820Moisture unitweight (lb/FT)Dry unit weight(lb/FT)8 1216Moisture content, w (%)2024

Objective: To draw the compaction curve for the given Standard Proctor Test results, and determine…

Answered: Draw the compaction curve using the…

Draw the compaction curve using the following given data from a standard Proctor test. 2. From the compaction curve you drawn, determine the Optimum Moisture Content and the Maximum Dry Unit Weight

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

Soil Compaction Test

Soil compaction is the major area of geotechnical engineering. Soil is composed of multiple pores present on its surface, while the soil is mainly composed of gravel, sand, rocks, etc. The arrangement of these rocks and gravels is such that they build up voids (spaces) between them, which allows spaces for the roots of the plants and crops to spread and absorb the required amount of nutrients. Soil compaction is a major problem primarily caused by human activities, micro-organisms, and other multiple factors.

Question

1. Draw the compaction curve using the following given data from a standard Proctor test.

2. From the compaction curve you drawn, determine the Optimum Moisture Content and the Maximum Dry Unit Weight.

Dry unit weight, yd (lb/ft³)
130
120
110
100
90
Volume of
mold (FT)
1/30
1/30
1/30
1/30
1/30
1/30
0
Weight of
moist soil in
the mold (lb)
3.78
4.01
4.14
4.12
4.01
3.90
4
Moisture
content (%)
10
12
14
16
18
20
Moisture unit
weight (lb/FT)
Dry unit weight
(lb/FT)
8 12
16
Moisture content, w (%)
20
24

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