SITUATION 3Classify the soil samples shown below using AASHTO and USCSsystems:SIEVE NUMBERSOIL, % PASSINGABC469.31068.579.559.12048.34036.169.038.56028.410019.820021.954.34.5LL34.153.5NON-PLASTICPL16.531.6NON-PLASTIC

Answered: SITUATION 3 Classify the soil samples…

SITUATION 3 Classify the soil samples shown below using AASHTO and USCS systems: SIEVE NUMBER SOIL, % PASSING A C 4 69.3 10 68 5 70.5

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter2: Origin Of Soil And Grain Size

Section: Chapter Questions

Problem 2.1CTP: Three groups of students from the Geotechnical Engineering class collected soil-aggregate samples...

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|Laboratory testing was performed on two soil samples (A and B). (a) Determine the USCS classification symbol for Sample A. (b) Determine the AASHTO classification for Sample B. Sieve No. Sieve Opening (mm) A- Percent Passing B - Percent Passing 3 inch 76.2 100 1.5 inch 38.1 98 0.75 inch 19.1 96 4 4.75 77 100 10 2.00 96 20 0.85 55 94 40 0.425 73 100 0.15 30 200 0.075 18 55 Liquid Limit 32 52 Plastic Limit 25 32 A Silty Clay (CL) sample was extruded from a 6-inch long tube with a diameter of 2.83 inches and weighed 1.71 lbs. (a) Calculate the wet density of the CL sample. (b) A small piece of the CL sample had a wet weight of 140.9 grams and a weight of 85.2 grams after drying. Compute the water content. (c) Compute the dry density of the CL sample A Standard Proctor test was performed on a soil with a specific gravity of 2.71. For the water content and wet soil unit weight in the following table: a) Plot the moisture-dry unit weight curve b) Find the maximum dry density and optimum…
Direction: a. Computation must be complete. Problem SOIL TESTING SUMMARY SAMPLE SIEVE NUMBER 10 30 40 60 VALUES OF Deo, Dio, and Did PARAMETER Dao (mm) Dec (mm) D₁ (mm) 100 120 200 PAN explain your answer. 3. % RETAINED 01 0.3 11 19.4 47.8 6.4 14.8 9.8 SAMPLE No. 1 0.211 0.146 0.076 LL 61 PL REQUIRED: a. Classify the soil using Unified Soil Classification System (USCS) 1 What is the main type of the soll? 2 is the soll sample above or below the A-Line? Aside from using the plasticity chart, What is the group symbol of the soil? What is the group name of the soil? Provide plotting in the plasticity chart and flowchart in the solution. b. AASHTO. Provide Table and plasticity chart in the solution. 52
The soil tested at the laboratory was found that the particle passing sieve No.200 is 89%, retained on sieve No. 4 is 3%, Liquid limit of 70%, organic matter of 25%, and Plasticity Index of 40%. Determine the type of soil * PLASTICITY CHART 60 50 CH A LINE: Pl 0,73(LL-20)| 30 CL MH&OH 20 CL ML ML&OL 10 20 30 40 50 60 70 80 90 100 LIQUID LIMIT (LL) (%) O Organic clay O Clay with high plasticity O Organic Silt O Sandy Clay PLASTICITY INDEX (PI) (%)
From your Atterberg limits tests on the -40 portion of these samples, you have obtained the following data Percentage finer by weight 100% 80% 60% 40% 20% Soil Sample Identification 0% 0.001 H I J L FINES 0.010 H Liquid Limit 60 46 37 Plastic Limit 26 nonplastic #200 34 18 Fine SAND Medium Course 0.100 Particle size (mm) 1.000 #4 danastants GRAVEL Fine 10.000 Coarse 3" 100.000
dys.mu MSKÜ-LMS 016 ŞB: 1 ÖRGÜN Soil Mechanics Mühendislik Fakültesi Mac Atterberg limits of a soil sample are given: LL:55% and PL:25%. Give the name of the soil typle considering the chart given below? Remember PI=LL-PL 60 U-line PI - 0.9 (LL -8) 50 Z 40 CH or OH A-line PI0.73 (LL - 20) 30 CL OH 20 or OL MH CL- ML 10 ML& OL 10 20 30 40 50 60 70 80 90 100 Liquid limit (%) O a. CL or OL O b. CH OR OH O c. OH or ML O d. GL or ML O e. M ail E AR .ill lenovo Plasticity index (%)
up to 120221 (Compatibility Mode] - Word References Mailings Review View Help Nitro Pro V Tell me what you want to do A A Aa E E-E EE T T 2 T AaBbCcl AaBbCcI AABBCCI A A、ッ、A 前,, Emphasis T Heading 1 I Normal Paragraph Styles 1. Q. The following results were obtained from a CBR test on a compacted subgrade soil. Calculate the CBR value for the soil. Do you recommend to use it as subbase? Illustrate your answer? Penetration (mm) Load (KN) 0.625 0.15 1.25 0.18 1.875 0.40 2.5 0.73 3.75 1.32 1.80 7.5 2.34 10 2.53 12.5 2.91 Standard Loads: 2.5 mm .... .13.36 KN 5.0 mm 19.96 KN tes) lenovo
2. Based on the USCS, what is the 20 points percentage of the gravel in this sample? * Sieve Percent 100 Sieve 90 opening (mm) passing (finer) No. 80 70 4 4.75 99.0 60 10 2 94.0 50 20 0.85 67.4 40 30 30 0.6 51.4 20 40 0.425 39.4 10 60 0.25 23.4 140 0.106 13.4 0.01 0.1 1 10 200 0.075 2.0 Particle size (mm) Pan O (a) 0 % O (b) 6% O (c) 1% O (d) 32.6% Percent finer by weight
In the dry sieve analysis of soil the sieves are placed as sequential order one below the other as: 75 mm, 63 mm,37.5 mm,28 mm, 20 mm, 14 mm, 10 mm, 6.3 mm, 4.75mm, 2.36mm, 1.18mm, 600µ, 300µ,150µ,75µ, pan Select one: O True O False
PROBLEM 7: The laboratory results of a soil test are as follows: Sieve No. # 4 #10 #40 #200 LL PL Percent passing 100 93.20 81 55 45 17 Find the group index according to AASHTO classification system. Hint: GI = (F-35)[0.20 + 0.005(LL – 40)] + 0.01(F – 15)(PI – 10)
A Classify the soil samples shown below using AASHTO and USCS systems: Sieve No. 4 10 20 40 60 100 200 LL PL A - 68.5 - 36.1 21.9 34.1 16.5 Soil, % passing B . 79.5 69.0 - 54.3 53.5 31.6 C 69.3 59.1 48.3 38.5 28.4 19.8 4.5 Non-plastic (NP)
For a soil specimen, the following are given: % passing Sieve No. 4 = 92% % passing Sieve No. 10 = 81% % passing Sieve No. 40 = 78% % passing Sieve No. 200 = 65% LL = 48% PI = 32% Classify the soil by the AASHTO system. O A-2-7 (15) O A-7-6 (18) O A-7-6 (32) O A-2-5 (6)
From your Atterberg limits tests on the -40 portion of these samples, you have obtained the following data Percentage finer by weight 100% 80% 60% 40% 20% 0% Soil Sample Identification 0.001 H I J L FINES Liquid Limit 60 H 0.010 46 37 Plastic Limit 26 nonplastic #200 34 18 Fine HOT SAND Medium 0.100 Particle size (mm) 1.000 GRAVEL Course Fine Coarse #4 10.000 Classify the soils H, I, J and L using 1) USCS Classification 2) AASHTO Classification 3" 100.000 I LLII. I