The result of sieve analysis of three soils is given. It is required to classify these soils according to the AASHTO Classification system. SIEVE ANALYSIS Percent Passing Sieve No. Diam. (mm) Soil A Soil B Soil C 4 4.760 85 98 100 8 2.380 80 90 95 10 2.000 68 85 88 20 0.840 62 78 75 40 0.420 52 62 60 60 0.250 48 55 52 100 0.149 38 50 40 200 0.074 25 45 34 LL 42 45 38 PL 33 37 18

The result of sieve analysis of three soils is given. It is required to classify these soils according to the AASHTO Classification system. SIEVE ANALYSIS Percent Passing Sieve No. Diam. (mm) Soil A Soil B Soil C 4 4.760 85 98 100 8 2.380 80 90 95 10 2.000 68 85 88 20 0.840 62 78 75 40 0.420 52 62 60 60 0.250 48 55 52 100 0.149 38 50 40 200 0.074 25 45 34 LL 42 45 38 PL 33 37 18

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Q3/ Classify the following soils into Unified System: Sieve No Diameter (mm) % Passing Soil A 3/8" 9.5 100 4 4.75 100 25 0.599 100 52 0.295 95 100 0.152 69 200 0.076 56 0.03 43 0.01 40 0.005 38 0.002 31 L.L 55 P.L 25 Knowing that D60=9.5, D10=0.599, D30=2.411
Classify the following soils by the Unified (USCS) and AASHTO methods. Where necessary, assume CU = 7 and Cc=2.5. Soil No. 2 62 % Passing Soil No. 1 # 4 95 41 #10 88 # 40 33 11 81 2676 #200 65 21 LL 53 12 PL 36 USCS AASHTO Usily
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
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
Classify the following soils by USCS classification system. Percent finer than (sieve analysis) Liquid Limit Plasticity Limit Soil Cu Co No. 4 No. 200 1 71 4 Non Plastic 3.4 2.6 -- 2 70 30 33 12 Group Symbol Criteria for Assigning Group Symbols Gravels Clean Gravels C, 2 4 and 1 C¸>3° GW More than 50% Less than 5% fines“ GP of coarse fraction Gravels with Fines PI7 and plots on or above “A" line (Figure 3.20) GM Coarse-Grained Soils retained on No. 4 More than 12% fines“ GC More than 50% of sieve retained on No. 200 Sands Cu2 6 and 1 C>3° Clean Sands SW sieve 50% or more of Less than 5% fines" SP coarse fraction Sands with Fines PI7 and plots on or above “A" line (Figure 3.20) SM passes No. 4 sieve More than 12% fines»d SC PI >7 and plots on or above "A" line (Figure 3.20)° PI< 4 or plots below “A" line (Figure 3.20)° CL Inorganic Silts and Clays Liquid limit less than 50 ML Liquid limit-oven dried Liquid limit-not dried Fine-Grained Soils Organic < 0.75; see Figure 3.20; OL zone OL…
4. The result of sieve analysis of three soils is given. It is required to classify these soils according to the AASHTO Classification system. Sieve No. 4 8 10 20 40 60 100 200 LL PL Diam. (mm) 4.760 2.380 2.000 0.840 0.420 0.250 0.149 0.074 SIEVE ANALYSIS Soll A 85 80 68 62 52 48 38 25 42 33 Percent Passing Soil B 98 90 85 78 62 55 50 45 45 37 Soil C 100 95 88 75 60 52 40 34 38 18
Classify soil B using USCS. LL-46%, PL=28%. Group symbol is and Group name is Grarel Sard Clay Coerse Med'um Fme 100 90 70 B 50 20 10 A 10 I 0.420 0.10 075 O 01 4.75 2 Particle Diameter (mm)
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 (%)
Problem 2. The sieve analysis of ten soils and the liquid and plastic limits of the fraction pass- ing through the No. 40 sieve are given below. Classify the soils using the AASHTO classification system and give the group indexes. Soll No. 567699AWN. 4 8 10 No. 10 98 100 100 85 92 48 87 90 100 92 Sleve analysis (percent finer) No. 40 80 92 88 55 75 28 62 76 78 74 No. 200 50 80 65 45 62 6 30 34 8 32 Liquid limit 38 56 37 28 43 32 37 44 Plastic limit 29 23 22 20 28 NP 24 25 NP 35
Percentage finer by weight 100% 80% 60% 40% 20% 0% 0.001 (c) Soil J (d) Soil L H 0.010 Ma 1.000 Soil Sample ID H I J #200 L 0.100 Particle size (mm) 46 37 #4 Liquid Limit Plastic Limit 60 26 Non plastic 34 18 10.000 AASHTO Classification: Classify the following soils using AASHTO criteria. (a) Soil H (b) Soil I 3° 100.00
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
Percentage Passing®o No. 200 | No.40 | No. 10 | No.4 | Ce Cu PL. LL :Classify the soil by A: The UscS give the name and symbol group. B: AASHTO classiflication system Give the group index for each soil. 2.6 16 61 | 64 66