Classify the following soils by AASHTO classification system.Percent finer than (sieve analysis)LiquidLimitPlasticityIndexSoilNo. 4No. 10No. 40No. 2001958255413212948051152612Silty-Clay Materials(more than 35 %passing No. 200 sieve)A-7GeneralGranular MaterialsHighlyOrganicClassification(35 % or less passing No 200 sieve)A-1A-2Group ClassificationA-1-a A-1-b A-3A-2-4 A-2-5 A-2-6 A-2-7 A-4A-5A-6 A-7-5A-8A-7-6Sieve Analysispercent passing:# 10< 50# 40# 200S 305 50 s 51<15 25 $10 <35 35 s 35 35 236 2 36 2 36 236Characteristics offraction passing #40Liquid limitPlasticity index< 40 241 40 241NP3<40 241 40 2412 11 11 10 <10 211 211< 10<6Stone<10Usual types ofsignifcantconstituent materialsfragments;gravel andsandFinePeat orsand Silty or clayey gravel and sand Sity soilsClayey soilsmuckGeneral ratins asExcellent to goodFair to PoorUnstablesubgradeVI VIVI VI VI

GIVEN AASHTO soil classification chart. Soil sample 1 and 2 Passing passing through seives of both…

Classify the following soils by AASHTO classification system. Soil Percent finer than (sieve analysis) Liquid Limit Plasticity Index No. 4 No. 10 No. 40 No. 200 1 95 82 55 41 32 12 94 80 51 15 26 12 Silty-Clay Materials (more than 35 % passing No. 200 sieve) A-7 General Granular Materials Highly Organic Classfication (35 % or less passing No 200 sieve) A-1 A-2 Group Classification A-1-a A-1-b A3 A-2-4 A-2-5 A-2-6 A-2-7 A-4 A-5 A-6 A-7-5 A-8 A-7-6 Sieve Analysis percent passing: # 10 # 40 # 200 < 50 <30 50 51 < 15 25 $ 10 < 35 35 s 35 35 2 36 2 36 2 36 2 36 Characteristics of fraction passing #40 Liquid limit Plasticity index < 40 241 40 241 40 241 40 241 NP3 < 10 2 11 11 10 10 211 2 11 56 Stone <10 Usual types of signifcant constituent materials Peat or fragments; gravel and sand Fine sand Silty or clayey gravel and sand Sity soils Clayey soils muck General ratins as Excellent to good Fair to Poor Unstable subgrade

Classify the following soils by AASHTO classification system. Soil Percent finer than (sieve analysis) Liquid Limit Plasticity Index No. 4 No. 10 No. 40 No. 200 1 95 82 55 41 32 12 94 80 51 15 26 12 Silty-Clay Materials (more than 35 % passing No. 200 sieve) A-7 General Granular Materials Highly Organic Classfication (35 % or less passing No 200 sieve) A-1 A-2 Group Classification A-1-a A-1-b A3 A-2-4 A-2-5 A-2-6 A-2-7 A-4 A-5 A-6 A-7-5 A-8 A-7-6 Sieve Analysis percent passing: # 10 # 40 # 200 < 50 <30 50 51 < 15 25 $ 10 < 35 35 s 35 35 2 36 2 36 2 36 2 36 Characteristics of fraction passing #40 Liquid limit Plasticity index < 40 241 40 241 40 241 40 241 NP3 < 10 2 11 11 10 10 211 2 11 56 Stone <10 Usual types of signifcant constituent materials Peat or fragments; gravel and sand Fine sand Silty or clayey gravel and sand Sity soils Clayey soils muck General ratins as Excellent to good Fair to Poor Unstable subgrade

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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1 The sieve analysis of four soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils using the AASHTO classification system and give the group indexes. Comment on the suitability of the soils as subgrade material. Sieve analysis (percent finer) Soil No. No. 10 No. 40 No. 200 Liquid limit Plastic limit 100 80 58 30 20 2 95 60 20 90 76 34 37 25 4 48 28 6 NP
Classify the following soils by using Unified Soil Classification System. Give the group symbols and the group names.
Question 3 Classify the following soil using the U.S. Department of Agriculture textural classification. Sand: 60 Silt: 25 Clay: 15 Blank 1 Blank 1 Add your answer
The sieve analysis of ten soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils using the AASHTO classification system and give the group indexes. % Passing No. 10: 90 % Passing No. 40: 76 % Passing No. 200: 34 LL = 37 PL = 25 Group classification: Blank 1 Group index: Blank 2 Blank 1 Add your answer Blank 2 Add your answer
Classify the soil using AASHTO. The liquid limit and plastic limit are found to be 30 and 20, respectively. The following data are obtained: Percent passing No. 4 sieve: 100% Percent passing No. 10 sieve: 91% Percent passing No. 40 sieve: 60% Percent passing No. 200 sieve: 20%
10.. , The following are the characteristics of two soils. ClassifY the soils according te the AASHTO system. Soil A: Percent passing No.4 sieve = 98 Percent passing No.1 0 sieve = 90 Percent passing No. 40 sieve = 76 Percent passing No. 200 sieve = 34 Liquid limit = 38 Plastic limit = 26 Soil B: Percent passing No.4 sieve = 100 Percent passing No.1 0 sieve - 98 Percent passing No. 40 sieve = 86 Percent passing No. 200 sieve = 58 Liquid limit = 49 Plastic Limit = 28
1. Classify the following soils by the AASHTO classification system. Sieve Analysis- Percent Finer Plasticity Liquid Limit Index Sol No.10 No.40 No.200 A 90 74 32 28 B 86 56 8. NP 42 28 12 18 13 A) AASHTO CIlassification for Soil A B) Group Index for Soil A C) AASHTO Classification for Soil B D) Group Index for Soil B E) AASHTO Classification for Soil C F) Group Index for Soil C
Classify the following soils by the AASHTO classification system. Sieve Analysis- Percent Finer Plasticity Index Liquid Limit Soil No.10 No.40 No.200 A 92 68 30 42 18 90 48 22 31 A) AASHTO CIlassification for Soil A B) Group Index for Soil A C) AASHTO CIlassification for Soil B D) Group Index for Soil B
2. Prove n-e/(1+e) and e-n/(1-n) based on definitions of void ratio and porosity. 3. Classify the following soils according to the unified soil classification system: group symbols and typical names Soil A B Percent passing U.S. sieve No. 4 No. 10 No. 20 No. 40 No. 60 No. 100 No. 200 95 86 65 52 46 38 25 98 95 88 82 75 65 100 LL PL 38 65 22 58
A soil sample has 98% passing the No. 4 sieve and 74% passing the No. 200 sleve. The LL for the soils 58% and the PI is 30%. Classify the soil according to the USCS. Show step by step solutions.
Answer ALL Questions Time: 2 Hours Q3: Classify the following soil by using the Unified soil classification system. Give the group symbols and the group names. Table 1. Sample 1 Grain Size Results (ASTM D422). Table 2. Atterberg Limits Results (ASTM D4318). Sleve No. Dia. (mm) % Passing Sample PL LL % in 12.7 100 G0 40 14 4.75 97 #10 2 94 #20 0.85 84 # 40 0.425 57 #60 0.25 32 140 0.106 15 #200 0.075 100 90 Atterberg Limit Results: LL = 60%, PL = 40% E 80 * 70- 60 - 50 40 30- a 20 10 1 30 a40 100 0.1200 10 80 0.01 Particle Diameter (mm) Answer ALL Questions Time: 2 Hours 70 CH or OH 60 A-line PI = 0.73(LL - 20) Or 50 40 30 CL MH OL 20 or CL-ML OH ML 10 - or OL 10 16 20 30 40 50 60 70 80 90 100 Liquid limit Figure 5.3 Plasticity chart Percent (%) Finer by Weight Plasticity index U-line PI = 0.(LL - 8) O Cengage Learning 2014
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