Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 17, Problem 21P
To determine
The maximum dry unit weight of compaction and the optimum moisture content.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The results of a compaction test on the sample of soil that are to be listed are to be used for an embankment on a highway project are listed below . Determine the maximum dry unit weight of compaction and the optimum moisture content. The table is shown in image
The results of a compaction test on samples of soil that are to be used for an embankment on a highway project are listed below. Determine the maximum dry unit weight of compaction and the optimum moisture content. Sample No. Moisture Content Bulk Density (Ib/ft:) 4.8 7,5 145.0 3. 7.8 146.8 4 8.9 146.4 5 9.7 145.3
For cohesive soil fill, what is the relationship between dry density and moisture content in the proctor (soil compaction) test?
Knowledge Booster
Similar questions
- highway engineering laboratory test CBR (California Bearing Ratio) 1- How can we get a relative compaction RC > 100?2-.How can we improve the soil?arrow_forward1. What are the properties of the soil being improved after compacted. 2. What is the best compaction equipment to be used on a clayey soil.arrow_forward1) a) Derive the formula for falling head permeameter ( state all assumptions). for what type of soil will you recommend the test? b) what is the difference between pump test and laboratory test for permeability measurement. 2 a) What are the parameters that control compaction of soil. b) what is the difference between lab compaction and field compaction.arrow_forward
- Three factors which affect the degree of compaction are _______ , ________ , and soil type.arrow_forwardA compaction test was performed on a soil sample from a proposed cut area. The maximum dry unit weight and optimum moisture content were determined to be 104.8 lb/ft3 and 20.7% respectively. What is the possible type or classification of soil for this sample?arrow_forward1. Discuss the factors influencing soil compaction and the methods used to achieve desired compaction levels in construction.arrow_forward
- A Soils laboratory technician carries out a standard Proctor test on an SP-type soil and observes, at low water content, a decrease in unit weight with increase in water content.Why does this occur? Plot the compaction curve you expect to be derived from this test. How should the technician proceed, and with what aim?arrow_forwardA Soils laboratory technician carries out a standard Proctor test on an SP-type soil and observes, at low water content, a decrease in unit weight with increase in water content. Why does this occur? Plot the compaction curve you expect to be derived from this test. How should the technician proceed, and with what aim?arrow_forwardThe results of a standard Proctor test are given in the following table. Determine the maximum dry unit weight of compaction and the optimum moisture content. Also determine the moisture content required to achieve 90% of ꙋd (max).arrow_forward
- For a granular soil, the following are given:●● Gs = 2.6●● Liquid limit on the fraction passing No. 40 sieve 5 20●● Percent retained on No. 4 sieve 5 20 Using Eqs. (5.4) and (5.5) attached , estimate the maximum dry density of compaction and the optimum moisture content based on the modified Proctor test.arrow_forwardLaboratory compaction test results and fielddetermined in-place density (unit weight) results are reported in terms of dry density or unit weight and not wet density or unit weight. Outline the reasons for this procedure of reporting. (Hint: Consider the soil properties directly related to density or unit weight.)arrow_forwardDefine the following properties of soil: • 1 Liquid Limit • 2 Plastic Limit 3 Plasticity Indexarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Fundamentals of Geotechnical Engineering (MindTap...Civil EngineeringISBN:9781305635180Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781305081550Author:Braja M. DasPublisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Construction Materials, Methods and Techniques (M...Civil EngineeringISBN:9781305086272Author:William P. Spence, Eva KultermannPublisher:Cengage Learning
Fundamentals of Geotechnical Engineering (MindTap...
Civil Engineering
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781305081550
Author:Braja M. Das
Publisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...
Civil Engineering
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Cengage Learning
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Construction Materials, Methods and Techniques (M...
Civil Engineering
ISBN:9781305086272
Author:William P. Spence, Eva Kultermann
Publisher:Cengage Learning