Homework Answers
Testing name: There are many tests for soils that can provide us an insight about the rock properties.These are;
1)Point load test 2)Uniaxial and triaxial test 3)Indirect tensile test 4)Permeability test and5) Elemental test.
Disturbed soil sample obtained through mining tools like augers etc inorder to classify,grade and label the soils.It is of three types: 1)Split barrel sampler 2)bulk sampler 3)Continuous auger
Undisturbed soil samples are obtained inorder to check the soil compressibility,moisture strength etc by making smooth excavation of the material without affecting the natural surface of the site.Its three types are:1)Piston sampler 2)Block sampler 3)Thin wall shelby sampler.
The engineering properties if soils measured are as under;
1)Dispersibility i;e soil particles go in suspension in practical ly still water.2)Erodibility 3)Hydraulic conductivity 4)Consistency 5)compressibility 6)Soil strength 7)Cohesion power. Etc
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3. For measuring engineering properties of soils with field testing, please tabulate in the following format,...
Geotechnical engineering 2 heher the following statements are True (T) or False (F) resistance decreases with...
Geotechnical engineering
2 heher the following statements are True (T) or False (F) resistance decreases with an increase in the plasticity index of clay. The Coarse grained soils are formed by chemical weathering of rocks. 2) ratio in coarse grained soils are generally greater than that in fine grained soil. 3) Values of void in 4) Consistency 5) As the void ratio of a soil decreases, its strength increases. 6) The liquid limit of a soil cannot exceed 100% .[...
Problem 1(c): Grain size distributions for four soils (i.e., Soils 1,2, 3, and 4) are shown...
Problem 1(c): Grain size distributions for four soils (i.e., Soils 1,2, 3, and 4) are shown below 100 90 2 70 60 50 3 30 20 10 100 10 4.25 .0 01o-0t5 0.01 0.001 0.0001 Diameter (mm) 567 (5 (a) The sand content of soil 1 (b) The gravel content of soil 3: (c) The fines content of soil 4: d) Dso of soil 3: 0.0055 e) The USCS classification of soil 4 if LL 120 80 and PL =...
2. Grain size distribution for three different soils is given on Figure 1. For SOIL 3,...
2. Grain size distribution for three different soils is given on Figure 1. For SOIL 3, answer the following questions: (5 points) a. What is the perentage of gravel, sand, and fines? b. Classify the soil according to the ASTM/USCS (i.e, give both the Group Symbol and Group Name) (1) U.S. Standard sieve size in 3 in 100 No. 4 No. 10 No. 40 No. 200 90 80 70 60 50 40 30 20 10 0 100 10 1.0 0.1...
Atterberg limits and natural water contents for five fine grained soils are listed in the following...
Atterberg limits and natural water contents for five fine grained soils are listed in the following table: Soil No. LL (%) PL (%) Natural Water Content (%) 1 10 10 4 2 33 18 20 3 46 34 12 4 74 31 32 5 74 49 16 Classify the soils in the Unified Soil Classification System, estimate their optimum water contents and maximum dry densities, and indicate approximately how much each soil must be wetted or dried if it is...
Problem 3 - Soil Classification (15 pts) For the following soils, classify each using the USCS...
Problem 3 - Soil Classification (15 pts) For the following soils, classify each using the USCS classification. Plasticity %passing #4 sieve %passing #200 sieve Group Symbol 100 95 Soil clay silt sand gravel Sample A 12 83 5 0 B 4 25 665 C 4 25 71 D5 59 360 E 18 49 303 95 29 Liquid Limit 66. 3 31.4 36 60. 9 49 19.9 6 7.6 23 100 29 1 100 97 64 67 |
3. Shear strength measurements derived from unconfined compression tests for two types of soils gave the...
3. Shear strength measurements derived from unconfined compression tests for two types of soils gave the results shown in the following table (measured in tons per square foot). Math 1P98 Spring 2020 Assignment #2 Due Friday, June 26, 2020 Soil Type 1 Soil Type 2 ni = 31 n2 = 35 21 = 1.56 T2 = 1.47 81 = 0.24 82 = 0.21 (a) Do the soils appear to differ with respect to mean shear strength? Use the critical value...
please do a and b neat and clear Problem 5 (3 points) The sieve analysis of...
please do a and b neat and clear
Problem 5 (3 points) The sieve analysis of two soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils by the AASHTO classification system and give the group index for each soil. Soil 1 2 Liquid limit Sieve analysis-Percent finer No.10 No. 40 No. 200 85 55 45 94 80 63 28 40 Plasticity index 20 21 b. Determine the...
Can anyone solve this Geotechnical Engineering question.... I will leave good remarks ?? QUESTION 3 (20...
Can anyone solve this Geotechnical Engineering
question.... I will leave good remarks ??
QUESTION 3 (20 marks) A. Following are the results of a standard penetration test in sand. Determine the corrected standard penetration numbers, (N1), at various depths. Note that the water table was not observed within a depth of 35ft below the ground surface. Assume that the average unit weight of sand is 110 lb/ft! (5 marks) 5 Depth, Z NA 8 10 7 15 13 20 15...
Hello. Please this is a geotechnical engineering problem please help me solve this in a correct...
Hello. Please this is a geotechnical engineering
problem please help me solve this in a correct way. Thank you.
2. (15 pts) A consolidation test has been performed on a soil sample obtained from Point H in the following figure. The measured preconsolidation stress was 109 kPa. A) Determine whether the soil is normally consolidated or overconsolidated, then B) compute the overconsolidation margin and C) the overconsolidation ratio at Point H. (Note: the fill has not been placed as it...
You are a field engineer for a construction services testing firm. Your current job assignment is to evaluate fill place...
You are a field engineer for a construction services
testing firm. Your current job assignment is
to evaluate fill placement for a new roadway being constructed in
Tg, Lumpur, Pahang. The
project specifications for the roadway require fill compaction to
98% of the ASTM D1557
compaction test results. Your lab manager sends you the results of
the Standard and Modified
Proctor compaction testing on the fill being placed. These results
are presented in Figure 2. Your
field compaction test results...
Geotechnical engineering
2 heher the following statements are True (T) or False (F) resistance decreases with an increase in the plasticity index of clay. The Coarse grained soils are formed by chemical weathering of rocks. 2) ratio in coarse grained soils are generally greater than that in fine grained soil. 3) Values of void in 4) Consistency 5) As the void ratio of a soil decreases, its strength increases. 6) The liquid limit of a soil cannot exceed 100% .[...
Problem 1(c): Grain size distributions for four soils (i.e., Soils 1,2, 3, and 4) are shown below 100 90 2 70 60 50 3 30 20 10 100 10 4.25 .0 01o-0t5 0.01 0.001 0.0001 Diameter (mm) 567 (5 (a) The sand content of soil 1 (b) The gravel content of soil 3: (c) The fines content of soil 4: d) Dso of soil 3: 0.0055 e) The USCS classification of soil 4 if LL 120 80 and PL =...
2. Grain size distribution for three different soils is given on Figure 1. For SOIL 3, answer the following questions: (5 points) a. What is the perentage of gravel, sand, and fines? b. Classify the soil according to the ASTM/USCS (i.e, give both the Group Symbol and Group Name) (1) U.S. Standard sieve size in 3 in 100 No. 4 No. 10 No. 40 No. 200 90 80 70 60 50 40 30 20 10 0 100 10 1.0 0.1...
Problem 3 - Soil Classification (15 pts) For the following soils, classify each using the USCS classification. Plasticity %passing #4 sieve %passing #200 sieve Group Symbol 100 95 Soil clay silt sand gravel Sample A 12 83 5 0 B 4 25 665 C 4 25 71 D5 59 360 E 18 49 303 95 29 Liquid Limit 66. 3 31.4 36 60. 9 49 19.9 6 7.6 23 100 29 1 100 97 64 67 |
3. Shear strength measurements derived from unconfined compression tests for two types of soils gave the results shown in the following table (measured in tons per square foot). Math 1P98 Spring 2020 Assignment #2 Due Friday, June 26, 2020 Soil Type 1 Soil Type 2 ni = 31 n2 = 35 21 = 1.56 T2 = 1.47 81 = 0.24 82 = 0.21 (a) Do the soils appear to differ with respect to mean shear strength? Use the critical value...
please do a and b neat and clear
Problem 5 (3 points) The sieve analysis of two soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils by the AASHTO classification system and give the group index for each soil. Soil 1 2 Liquid limit Sieve analysis-Percent finer No.10 No. 40 No. 200 85 55 45 94 80 63 28 40 Plasticity index 20 21 b. Determine the...
Can anyone solve this Geotechnical Engineering
question.... I will leave good remarks ??
QUESTION 3 (20 marks) A. Following are the results of a standard penetration test in sand. Determine the corrected standard penetration numbers, (N1), at various depths. Note that the water table was not observed within a depth of 35ft below the ground surface. Assume that the average unit weight of sand is 110 lb/ft! (5 marks) 5 Depth, Z NA 8 10 7 15 13 20 15...
Hello. Please this is a geotechnical engineering
problem please help me solve this in a correct way. Thank you.
2. (15 pts) A consolidation test has been performed on a soil sample obtained from Point H in the following figure. The measured preconsolidation stress was 109 kPa. A) Determine whether the soil is normally consolidated or overconsolidated, then B) compute the overconsolidation margin and C) the overconsolidation ratio at Point H. (Note: the fill has not been placed as it...
You are a field engineer for a construction services
testing firm. Your current job assignment is
to evaluate fill placement for a new roadway being constructed in
Tg, Lumpur, Pahang. The
project specifications for the roadway require fill compaction to
98% of the ASTM D1557
compaction test results. Your lab manager sends you the results of
the Standard and Modified
Proctor compaction testing on the fill being placed. These results
are presented in Figure 2. Your
field compaction test results...
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