Description
Florida Institute of Technology
Department of Mechanical and Civil Engineering
CVE 3021 – Soil Mechanics Lab 3
Spring 2022
Liquid Limit Chart
70
Results for Atterberg’s Limit Test
Student’s Name:
Lab Section:
Date Performed:
Laboratory Partners:
Notes/Comments:
Faisal
CVE 3021
Water Content, w (%)
60
50
40
30
20
10
0
0
ASTM Designation:
Soil Description:
Mc = Mass of empty, clean can + lid (grams)
MCMS = Mass of can, lid and moist soil (grams)
MCDS = Mass of can, lid and dry soil (grams)
MS = Mass of soil solids (grams)
MW = Mass of pore water (grams)
W = Water content (%)
No. of Drops (N)
Notes & Sample Calculation:
10
15
20
25
30
35
Number of Blows, N
%
Table 1: Liquid Limit Determination: LL is the moisture content (W) at 25 drops
Sample No.
5
1
2
3.5
17
10
10
3.5
19.6
3
3.5
23.3
4
3.5
19.0
30.0
Table 2: Plastic Limit Determination: PL is the avg. moisture content (W) #####
Sample No.
Mc = Mass of empty, clean can + lid (grams)
MCMS = Mass of can, lid and moist soil (grams)
MCDS = Mass of can, lid and dry soil (grams)
MS = Mass of soil solids (grams)
MW = Mass of pore water (grams)
W = Water content (%)
Check if difference between W > 2.6
Notes & Sample Calculation:
1
2
3.5
12.2
3.5
10.9
Florida Institute of Technology
Department of Mechanical and Civil Engineering
CVE 3021 – Soil Mechanics Lab 3
Spring 2022
Results for Atterberg’s Limit Test
Student’s Name:
Lab Section:
Date Performed:
Laboratory Partners:
Notes/Comments:
CVE 3021
ASTM Designation:
Soil Description:
____ %
Table 1: Liquid Limit Determination: LL is the moisture content (W) at 25 drops
Sample No.
1
2
3
4
Mc = Mass of empty, clean can + lid (grams)
MCMS = Mass of can, lid and moist soil (grams)
MCDS = Mass of can, lid and dry soil (grams)
MS = Mass of soil solids (grams)
MW = Mass of pore water (grams)
W = Water content (%)
No. of Drops (N)
Water Content, w (%)
Liquid Limit Chart
0
0
Number of Blows, N
#DIV/0!
Table 2: Plastic Limit Determination: PL is the avg. moisture content (W)
Sample No.
Mc = Mass of empty, clean can + lid (grams)
MCMS = Mass of can, lid and moist soil (grams)
MCDS = Mass of can, lid and dry soil (grams)
MS = Mass of soil solids (grams)
MW = Mass of pore water (grams)
W = Water content (%)
Check if difference between W > 2.6
Notes & Sample Calculation:
1
2
Florida Institute of Technology
Department of Mechanical and Civil Engineering
CVE 3021 – Soil Mechanics Lab 3
Spring 2022
Table 1: Results for Specific Gravity Test
Student’s Name:
Lab Section:
Date Performed:
Laboratory Partners:
Notes/Comments:
CVE 3021
ASTM Designation:
Soil Description:
Parameter
Description
Results
(g)
WP
Mass of empty, clean pycnometer (g)
WPS
Mass of empty pycnometer + dry soil (g)
WB
Mass of pycnometer + dry soil + water (g)
WA
Mass of pycnometer + water (g)
GS
Specific Gravity
Notes & Sample Calculation:
Soil Boring Lab 1
Florida Institute of Technology
CVE 3021 Lab 1
Appendix: Sample letter of transmittal
Florida Institute of Technology
Department of Mechanical and Civil Engineering
CVE 3021-___
Your name
Your Address
RE: Experiment #___
Lab Title: Boring log, Soil and Field Identification, and Moisture Content
Date Performed: _______________________________
Date Submitted: __________________
Zimeena Rasheed,
Paragraph #1: Mention the lab performed, the date and the location.
Paragraph #2: Briefly describe what was performed, tests, measurements, etc.. Be sure to include
the ASTM and/or AASHTO designation for the test on which the lab was based on. Provide a
summary of the major results from the lab. This may take the form or a separately prepared
(curtailed) table or simply two sentences with numeric and/or qualitative results noted. DO NOT
refer to any figures and/or tables in your report by their numbered or lettered designation.
Paragraph #3: Describe what is included in the following lab report.
Concluding statement: If you have any questions feel free to contact me at ?email address?
Sincerely,
______________ 2.6
Table 2: Plastic Limit Determination
Sample Calculations:
Spring 2022
Average PL = ___%
1
2
Atterberg Limits Lab 9
Lab Report Format and Guidelines
Section
Letter of
Transmittal
Introduction/
Description of
Soil Samples
Description
?
?
?
?
?
Format
Lab performed, date, location
Description of tests/measurements preformed
Description of report contents
Concluding statement
10
?
?
?
Describe how the clay changed with a change in water
Smell, color, feel, grain size, texture, moisture descriptions
Describe samples at PL, at LL
5
?
Include a picture and description of the equipment used to
perform this experiment. Label if necessary.
Briefly provide a list or paragraph of the steps performed
during the lab; accuracy of equipment
Define PL, LL and uses
15
Prepare an Excel table of your results. Sample calculations for
each equation should be handwritten (or typed) and included in the
Appendix. Don?t forget your units! Also, please label all tables,
figures and/or charts!
? Data Table for Tests
? Plot of Moisture Content vs. # of Blows
? Liquid and Plastic Limits, Plasticity Index
20
Methodology/
Equipment
?
?
Analysis/
Results
?
?
Discussion
?
?
Conclusion
Appendix/
References
Points
Available
?
?
?
?
Discuss the group?s classification of the clay, explain your
results!
Discuss the type of clay mineral and how you determined it,
explain your results!
Given some background information on the clay?s
classification and mineral? real world application, properties
of the clay, etc
What sources of error did you encounter in the lab and what
magnitude of effect did it have on the results?
Briefly summarize the highlights of the lab
What did you learn from conducting this lab?
Give at least one recommendation to improve the accuracy of
this lab.
Include [if applicable] all raw data, sample calculations to
support your results obtained above and references.
20
5
5
Total Points
80
Attendance/Participation
20
Final Lab 3 Grade (%)
100
Spring 2022
Points
Awarded
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