Required only: #7, #9, and #12 Required only: soils # 1, 4, 5, 8, 10, 11Problem #1Classify the following six soils using the AASHTOclassification system and calculate the corresponding groupindexes:Sieve Analysis(percent finer)No. No. 10 No. 40 No. 200 Limit LimitSoilLiquid Plastic149252-- NP100805NP885250251848025122820100907554226.8874303915Problem #2Classify the following six soils using the Unified SoilClassification System and provide the group symbols and groupnames:Sieve AnalysisSoil (percent finer) Liquid PlasticNo. No. 4 No. 200 Limit LimitComments710090551581009848209.68522522108572403211803NP C = 5.0 and C, = 0.5129582310 C = 7.5 and C, - 2.0%3D

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Answered: Required only: #7, #9, and #12

Engineering

Civil Engineering

Required only: #7, #9, and #12

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 2.2CTP: Refer to Problem 2.C.1. Results of the sieve analysis for Soils A, B, and C are given below. To...

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SITUATION 9 The result of sieve analysis of three soils is given next. It is required to classify these soils according to the AASHTO Classification System. Use the attached AASHTO Classification of Highway Subgrade Materials Table. (a) Classification of Soil A. (b) Classification of Soil B. (c) Classification of Soil C. Sieve Analysis Results for Situation 9 Sieve Analysis Sieve Diameter, Percent Passing Number mm. 4.76 90 100 100 8. 2.38 84 90 100 10 2. 72 77 98 20 0.84 66 59 91 40 0.42 58 50 85 60 0.25 50 42 79 100 0.149 44 36 70 200 0.074 38 33 LL 42 46 47 PL 23 29 24 63
For a soil specimen, given the following: % passing sieve #4-92 %, sieve #10 -81%, sieve # 40-78%, LL-48%, PL-16%, GI-18.2 classify the soil by AASHTO classification system. GI = (F200-35)[0.2 + 0.005 (LL - 40)] +0.01 (F20015)(PI – 10)
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
Do the following: a) Calculate the percent retained and percent passing each sieve, and graph the results on a semi-log graph (you may use the attached chart, or graph in Excel and include with your submission). Then, characterize the gradation of the material. b) Calculate the values of D10, D30, D60, Cu, and Cc c) If the LL is 48 and the PL is 26, determine the USCS classification of the soil, and state its suitability for the purpose stated in the scenario.
1. The following results were obtained from particle size distribution analysis of three soils - A, B and C. Sieve # 1/2 in 3/8 in #4 # 10 #40 #100 #200 Diameter (mm) 12.5 9.5 4.75 2 0.425 0.15 0.075 0.02 0.003 0.001 WL (or LL, liquid limit) wp (or PL, plastic limit) w (natural water content) Soil A 100 96 89 82 67 57 47 28 8 Percent passing Soil B 3 25 16 11 100 98 82 33 12 5 5 Soil C 100 99 97 85 55 43 51 19 26.5 Required: (1) Plot the particle size distribution curves (semi-log). Determine the following quantities of each soil: the effective particle size dio, the mean particle side d50, the coefficients of uniformity and curvature (if possible). (2) According to the particle size distribution, when the engineering properties are concerned, which soil is the most sensitive to water and which soil is mostly affected by density? Give you logic. (3) Classify the soils according to the USCS.
The sieve analysis of (2) soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given in the folllowing table. 1. Classify the soils according to Unified soil classification system (USCS) given the group symbol and name 2. Classify the soils according to AASHTO sistem and find the group index (GI) D10 Soil A B 4 98 100 Seive No % passing 20 40 50 28 100 99 10 86 100 60 100 200 18 14 10 95 90 73 Attereberg limits L.L P.L N.P 27 55 D30 D60 1.5 0.075 0.43 0.001 0.003 0.053
The result of sieve analysis of three soils is given next. It is required to classify these soils according to the AASHTO Classification System. Use the attached AASHTO Classification of Highway Subgrade Materials Table. (a) Classification of Soil A. (b) Classification of Soil B. (c) Classification of Soil C. Sieve Analysis Results for Situation 9 Sieve Analysis Sieve Diameter, Percent Passing Number mm. 4.76 90 100 100 8. 2.38 84 90 100 10 2. 72 77 98 20 0.84 66 59 91 40 0.42 58 50 85 60 0.25 50 42 79 100 0.149 44 36 70 200 0.074 38 33 LL 42 46 47 PL 23 29 24 63
1. Classify the following soils using USCS and give the group symbols. Sieve Analysis, % finer Soil Liquid Limit No. 4 No. 200 1 (SC) 70 30 33 2 (GC) 48 20 41 3 (CH) 95 70 52 4 (CL) 100 82 30 5 (CL) 100 74 35 6 (SC) 87 26 38 7 (CH) 88 78 69 8 (CH) 99 57 54 9 (SP-SC) 71 11 32 10 (SW) 100 2 11 (CL) 89 65 44 12 (SP-SC) 90 8 39 Plasticity Index 21 22 28 19 21 18 38 26 16 NP 21 31 Cu 4.8 7.2 3.9 Cc 2.9 2.2 2.1
Classify the following soils by the AASHTO classification system. Description Percent finer than No. 10 sieve Percent finer than No. 40 sieve Percent finer than No. 200 sieve Soil A Soil B Soil C 100 92 94 82 38 81 85 51 52 Liquid limit Plastic Limit 42 29 43 23 16 34 Table 3.1: Classification of Highway Subgrade Materials General class fication Granular materials (35% or less of total sample passing No. 200) A-2 A-1 Group classification Sieve analysis (percentage passing) No. 10 No. 40 No. 200 Characteristics of fraction passing No. 40 Liquid limit Plasticity index Usual types of significant constituent materials A-1-a A-1-b A-3 A-2-4 A-2-5 A-2-6 A-2-7 50 max. 30 max. 50 max. 51 min. 15 max. 25 max. 10 max. 35 max. 35 max. 35 max. 35 max. 40 max. 41 min. 40 max. 41 min. 10 max. 10 max. 11 min. 11 min. 6 max. NP Stone fragments, gravel, and sand Fine sand Sity or clayey gravel and sand General subgrade rating Excellent to good What is the classification of Soil A? O A-5(3) A-7-5(3) O…
The result of sieve analysis of three soils is given next. It is required to classify these soils according to the AASHTO Classification System. Use the attached AASHTO Classification of Highway Subgrade Materials Table. Sieve Analysis Sieve Diameter, Percent Passing Number mm. A В C 4 4.76 2.38 90 100 100 8 84 90 100 10 2 72 77 98 20 0.84 66 59 91 40 0.42 58 50 85 60 0.25 50 42 79 100 0.149 44 36 70 200 0.074 38 33 63 LL 42 46 47 PL 23 29 24 What is the classification of Soil A? What is the classification of Soil B? What is the classification of Soil C? EDI
By referring to USCS table 1 (below), what is the soil type if the results from sieve test show; i. Less than 5% of soil passing No.200 sieve, ii. Less that 50% of soil passing No. 4 sieve, and iii. Cu is 5 and Cc is 2. (Answer in symbol only i.e. SP, SW) Major division Typical name Classification criteria Group Eymbal GW Wel-graded gravels and gravel- sand mitures, inte or no fines U- DJD, greater than 4 C-0»(O x O between 1 and 3. GP Poorly-graded 9graveis and gravel-sand mixtures, inte or no fines. Not meeting both criteria for GW. Sity gravels. gravel-sand-sit motures GM Alterberg limits plot below A-ine or plasticity index less than 4. Clayey mitures GC Alterberg limits piot above Aine or plasticity index less than 4. Sw Wel-graded sands and gravelly sands, itte or no fines. U greater than 6 C, between 1 and 3 Not meeting both criteria for SW. Poorly-graded sands gravelly sands, tle or no fines. SP and SM Attorberg imits plot below A-ine or plasticity index less than 4. Sity…
Q 02: (CLO2) (a) Sieve and hydrometer analysis for two soils are given in the following, calculate the amount of Gravel Sand and Clay according to AAHTO and Unified Soil Classification system for both soils. Also mention which soil is coarse soil in this case and why? Soil 1 Soil 2 Diameter or Sieve No. Mass Retained Diameter or Sieve No. Mass Retained (g) (g) % in ½ in # 4 % in ½ in # 4 15.48 #10 #10 61.92 112.23 49.80 Sieve # 20 #20 Analysis #40 # 40 #60 30.1 #60 51.10 #100 36.4 #100 50.31 # 200 23.1 27.0 19.23 Pan 290.3 Pan No hydrometer analysis Diameter (um) % Finer Hydrometer Analysis 45 10 61 42 37 1 27 (b) What is the difference between Clay and Clay sized non cohesive soils?