Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 5, Problem 5.6P
To determine
Find the maximum dry unit weight of compaction and the optimum moisture content.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A Standard Proctor test was performed on a clayey sand soil; the test results are shown below. Find b,c,d,e,f
The 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 95% of γd(max). Calculate and plot the 80% and 100% saturation lines.
Q7: The Table 4 shows the results of a Standard Proctor Compaction test.
Satisfactory
Y
Based on the information provided, determine the following values.
The maximum dry unit weight and the OMC.
The degree of saturation at the maximum dry density if Gs = 2.70.
What is the dry unit weight and the moisture range at 95% relative compaction
(RC)?
The degree of saturation at the maximum dry density if Gs = 2.70.
Table 4: Results of a standard Proctor compaction test
Trial No.
1
4
13.2
Moisture content, w (%)
6.2
8.1
9.8
11.5
12.3
20.1
Bulk unit weight (kN/m³)
16.9
18.7
19.5
20.5
20.4
17.8
Dry unit weight (kN/m³)
15.9
17.3
17.8
18.4
18.2
Chapter 5 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- Results of a standard Proctor compaction test on a silty sand are shown in the below figure. Dry unit weight (kN/m³) 19.5 19.0 18.5 18.0 6 17.5 17.0 5-17 7-12 8-11 a. What is the moist unit weight (ywet, kN/m3) at optimum moisture content? b. What is the degree of saturation (Sr, %) at optimum moisture content? Given: Gs = 2.73. c. If the required field dry unit weight (yd) is 18.15 kN/m3, what is the relative compaction (%)? 6. What should be the range of compaction moisture contents (%) in the field to achieve the above relative compaction? 10 0 6-14 5 9.5-10.5 10 Moisture content (%) 15 20 7. If the minimum and maximum void ratios are 0.29 and 0.80, respectively, what is the relative density of compaction in the field (%)?arrow_forwardProblem 6 The results of standard Proctor test are given as shown in the table. Determine the maximum dry unit weight of compaction and optimum moisture content. Also determine the moisture contents required to achieve 95% of y d (max). If the field dry unit weightarrow_forwardHomework #3 The results of a standard Proctor test are given in the following table. a. Determine the maximum dry unit weight of compaction and the optimum moisture content. Given: mold volume =943.3 cm'. b. Determine the void ratio and the degree of saturation at the optimum moisture content. Given: G, = 2.68. Trial no. Weight of moist soil in the mold (kg) Moisture content (%) 1.78 5.0 1.87 7.5 3 1.95 10.0 4 1.98 12.5 5 2.02 1.97 15 17.5 7 1.90 20.0arrow_forward
- 2. The results of a standard Proctor test are given in Table Q2 below. Determine the maximum dry unit weight of compaction and the optimum moisture content. Table Q2 Volume of Proctor Mass of wet soil in the mold Moisture content mold (cm³) (kg) (%) 1000 1.78 5.0 1000 1.87 7.5 1000 1.95 10.0 1000 1.98 12.5 1000 2.02 15.0 1000 1.97 17.5 1000 1.91 20.0arrow_forwardA modified proctor compaction test is performed on a sample of silty sand in a 150 mm diameter mold. The maximum dry unit weight is 19.6 kN/m3 and optimum water content is 11%. If the specific gravity solids is 2.65, draw the three-phase diagram of the sample in the mold and calculate all volumes and weight for that sample. What is the degree of saturation?arrow_forwardA standard compaction test was performed in the laboratory and the results are tabulated as follows: Trial Number 1 2 3 4 5 Moist Unit Weight (Ib/ft) 120.2 128.4 134.2 134.4 130.9 Moisture Content (%) 7.1 10.0 13.4 16.7 20.1 Determine the soil's maximum dry unit weight (drawing a plot may prove useful)arrow_forward
- kindly show the solutions thanksarrow_forwardA standard compaction test was performed in the laboratory and the results are tabulated as follows: 3 4 Trial Number 1 2 Moist Unit Weight (Ib/ft) 120.2 128.4 134.2 134.4 130.9 Moisture Content (%) 7.1 10.0 13.4 16.7 20.1 Determine the soil's optimum moisture content (%) LOarrow_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
- Soil Compaction Homework: the results of standard compaction test are shown in the table below. Determine the maximum dry unit weight and the optimum moisture content. W% 6.2 8.1 9.8 11.5 12.3 13.2 ybkN/m³ 18.7 20.4 16.9 19.5 20.5 20.1 а. What is the dry unit weight and w at 95% standard compaction? b. Determine the degree of saturation at the maximum yd , Gs = 2.7? С. Plot the zero air voids line?arrow_forward3. Table 2 shows the results of the standard proctor test Water content (%) Weight (kg) 14 Table 2. Proctor Test Results 1,45 1,71 1,87 1,88 16,5 18,5 20 21 22,5 If this test uses a sample print with a size of 943 cm^3, answer these question b. Determine the range of moisture content for 90% compaction in the field. 1,76 1,67arrow_forwardNote: Add 0.16 to the results on table before solving.a. Determine the maximum dry unit weight and OMC.b. What is the dry unit weight and moisture range at 95 % relative compaction?c. Determine the degree of saturation at the maximum dry density if Gs = 2.70.arrow_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 LearningPrinciples of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher:Cengage Learning
Fundamentals of Geotechnical Engineering (MindTap...
Civil Engineering
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...
Civil Engineering
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Cengage Learning