Homework Help is Here – Start Your Trial Now!
Engineering
Civil Engineering
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. Sieve analysis (percent finer) Soil No. Liquid limit Plastic limit No. 10 No. 40 No. 200 1 98 80 50 38 29 100 92 80 56 23 3 100 88 65 37 22 4 85 55 75 45 28 20 5 92 62 43 28

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. Sieve analysis (percent finer) Soil No. Liquid limit Plastic limit No. 10 No. 40 No. 200 1 98 80 50 38 29 100 92 80 56 23 3 100 88 65 37 22 4 85 55 75 45 28 20 5 92 62 43 28

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
Table 5.1 Classification of Highway Subgrade Materials 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. General classification Granular materials (35% or less of total sample passing No. 200) А-1 A-2 Group classification Sieve analysis (percentage passing) А-1-а A-1-b A-3 A-2-4 A-2-5 A-2-6 A-2-7 No. 10 50 max. No. 40 30 max. 50 max. 51 min. No. 200 15 max. 25 max. 10 max. 35 max. 35 max. 35 max. 35 max. Sieve analysis (percent finer) Characteristics of fraction passing No. 40 Liquid limit Plasticity index Usual types of significant constituent materials General subgrade rating Soil No. Liquid limit Plastic limit No. 10 No. 40 No. 200 40 max. 41 min. 40 max. 41 min. 6 max. NP 10 max. 10 max. 11 min. 11 min. 1 98 80 50 38 29 Stone, fragments, gravel and sand Fine sand Silty or clayey gravel, and sand 2 100 92 80 56 23 3 100 88 65 37 22 Excellent to good 4 85 55 45 28 20 Silt-clay materials (more than 35% of total sample passing No. 200) 5 92 75 62 43 28 General classification А-7 А-7-5° Group classification A-5 A-6 A-7-6 A-4 Sieve analysis (percentage passing) No. 10 No. 40 No. 200 36 min. 36 min. 36 min. 36 min. Characteristics of fraction passing No. 40 Liquid limit Plasticity index Usual types of significant constituent materials General subgrade rating 40 max. 41 min. 40 max. 41 min. 10 max. 10 max. 11 min. 11 min. Silty soils Clayey soils Fair to poor "For A-7-5, PI S LL - 30 "For A-7-6, PI > LL - 30
Transcribed Image Text:Table 5.1 Classification of Highway Subgrade Materials 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. General classification Granular materials (35% or less of total sample passing No. 200) А-1 A-2 Group classification Sieve analysis (percentage passing) А-1-а A-1-b A-3 A-2-4 A-2-5 A-2-6 A-2-7 No. 10 50 max. No. 40 30 max. 50 max. 51 min. No. 200 15 max. 25 max. 10 max. 35 max. 35 max. 35 max. 35 max. Sieve analysis (percent finer) Characteristics of fraction passing No. 40 Liquid limit Plasticity index Usual types of significant constituent materials General subgrade rating Soil No. Liquid limit Plastic limit No. 10 No. 40 No. 200 40 max. 41 min. 40 max. 41 min. 6 max. NP 10 max. 10 max. 11 min. 11 min. 1 98 80 50 38 29 Stone, fragments, gravel and sand Fine sand Silty or clayey gravel, and sand 2 100 92 80 56 23 3 100 88 65 37 22 Excellent to good 4 85 55 45 28 20 Silt-clay materials (more than 35% of total sample passing No. 200) 5 92 75 62 43 28 General classification А-7 А-7-5° Group classification A-5 A-6 A-7-6 A-4 Sieve analysis (percentage passing) No. 10 No. 40 No. 200 36 min. 36 min. 36 min. 36 min. Characteristics of fraction passing No. 40 Liquid limit Plasticity index Usual types of significant constituent materials General subgrade rating 40 max. 41 min. 40 max. 41 min. 10 max. 10 max. 11 min. 11 min. Silty soils Clayey soils Fair to poor "For A-7-5, PI S LL - 30 "For A-7-6, PI > LL - 30
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
Recommended textbooks for you
Structural Analysis
Structural Analysis
Civil Engineering
ISBN:
9781337630931
Author:
KASSIMALI, Aslam.
Publisher:
Cengage,
Structural Analysis (10th Edition)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Sustainable Energy
Sustainable Energy
Civil Engineering
ISBN:
9781337551663
Author:
DUNLAP, Richard A.
Publisher:
Cengage,
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS