Opening(mm)Mass of soil retained on each sieve (g)4.7518.0222.00.8540.00.42522.00.2527.00.1530.00.07512.00.0229.00.00621.0Pan30.0 Based on this result, plot the particle-size distribution curve and determine the following:i) The percentage passing for each of the sieve size.ii) D10, D30 and D60 from the particle-size distribution curve.iii) The uniformity of coefficient, Cu and the coefficient of gradation, Cc.iv) Classify the soil using the British Standard Soil Classification System if the liquid limitand plasticity limit of the soil are 63% and 22%.Refer Figure 1 Please attach this graph to your answer bookletPercentage Passıng8 8 R 8 8 9 8E9-OSIOOE425009-23.3563-375OSFigure 1 Grain-size distribution curveParticle Size (mm)100OI100 01000 0OEos09OL0마0606-01(wu) APPENDIX IITable 1 AASHTO Soil Classification SystemGeneral classificationGranular materials (35% or less of total sample passing No. 200)A-1A-2Group classificationА-1-аA-1-bA-3A-2-4A-2-5A-2-6А-2-7Sieve analysis(percent passing)No. 1050 max.No. 4030 max.50 max.51 min.No. 20015 max.25 max.10 max.35 max.35 max.35 max.35 max.Characteristics offraction passingNo. 40Liquid limitPlasticity index40 max,41 min.40 max.41 min.Il min.11 min.6 max.NP10 max.10 max.Usual types ofsignificantStone fragments,gravel, and sandFineSilty or clayey gravel and sandsandconstituentmaterialsExcellent to goodGeneral subgraderatingGeneral classificationSilt-clay materials (more than 35% of total sample passing No. 200)A-7A-7-5*Group classificationA-7-6A-4A-5A-6Sieve analysis (percent passing)No. 10No. 40No. 20036 min.36 min.36 min.36 min.Characteristics offraction passingNo. 40Liquid limitPlasticity index40 max.41 min.40 max.41 min.10 max.11 min.11 min.10 max.Usual types of significantconstituent materialsSilty soilsClayey soilsGeneral subgrade ratingFair to poor*For A-7-5, PI< LL – 30tFor A-7-6, PI > LL – 30

i) a percentage of passing through each sieve: % of passing =Total soil weight -cummulative amount…

Answered: Based on this result, plot the…

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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Opening (mm)	Mass of soil retained on each sieve (g)
4.75	18.0
2	22.0
0.85	40.0
0.425	22.0
0.25	27.0
0.15	30.0
0.075	12.0
0.02	29.0
0.006	21.0
Pan	30.0

Based on this result, plot the particle-size distribution curve and determine the following:
i) The percentage passing for each of the sieve size.
ii) D10, D30 and D60 from the particle-size distribution curve.
iii) The uniformity of coefficient, Cu and the coefficient of gradation, Cc.
iv) Classify the soil using the British Standard Soil Classification System if the liquid limit
and plasticity limit of the soil are 63% and 22%.

Refer Figure 1

Please attach this graph to your answer booklet
Percentage Passıng
8 8 R 8 8 9 8
E9-
OSI
OOE
425
009-
2
3.35
63
-375
OS
Figure 1 Grain-size distribution curve
Particle Size (mm)
100
OI
100 0
1000 0
OE
os
09
OL
0마
06
06-
01
(wu)

APPENDIX II
Table 1 AASHTO Soil Classification System
General classification
Granular materials (35% or less of total sample passing No. 200)
A-1
A-2
Group classification
А-1-а
A-1-b
A-3
A-2-4
A-2-5
A-2-6
А-2-7
Sieve analysis
(percent passing)
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.
Characteristics of
fraction passing
No. 40
Liquid limit
Plasticity index
40 max,
41 min.
40 max.
41 min.
Il min.
11 min.
6 max.
NP
10 max.
10 max.
Usual types of
significant
Stone fragments,
gravel, and sand
Fine
Silty or clayey gravel and sand
sand
constituent
materials
Excellent to good
General subgrade
rating
General classification
Silt-clay materials (more than 35% of total sample passing No. 200)
A-7
A-7-5*
Group classification
A-7-6
A-4
A-5
A-6
Sieve analysis (percent 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
40 max.
41 min.
40 max.
41 min.
10 max.
11 min.
11 min.
10 max.
Usual types of significant
constituent materials
Silty soils
Clayey soils
General subgrade rating
Fair to poor
*For A-7-5, PI< LL – 30
tFor A-7-6, PI > LL – 30

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