Particle Size Distribution Analysis (Obe)

8/13/2019 Particle Size Distribution Analysis (Obe)

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Department of Civil Engineering University of Moratuwa

Assessed By:

Signature Date

Lecturers Remarks

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 1 o! 26

Module - CE 2042 Soil Mechanics and Geology-1

Assignment Tests for Particle Size Distriution !nalysis Marks 10%

Learning

Outcome Ai!ity to conduct"artic!e si#e distriution ana!ysis o$ soi!s

Ai!ity to analyzete resu!ts o$ "artic!e si#e distriution ana!ysis

Ai!ity to e"aluate te "arameters re&uired $rom te "artic!e si#edistriution cur'e $or te c!assi$ication o$ soi!s

Ai!ity to discusste a""!ications o$ te ao'e test

(rogramme

Outcomes

1) A""!ication o$ kno*!edge o$ matematics+ science+ and

engineering1

2) ,$$ecti'e communication 1-) .n/de"t tecnica! com"etence in at !east one engineering

disci"!ine2

) Ai!ity to undertake "ro!em identi$ication+ $ormu!ation

and so!ution2

) Ai!ity to uti!i#e a systems a""roac to design and

o"erationa! "er$ormance

2

6) .ndi'idua! and team *ork 1) 3nderstanding o$ te socia!+ cu!tura!+ g!oa! and

en'ironmenta! res"onsii!ities o$ te "ro$essiona! engineer+ and te

need $or sustaina!e de'e!o"ment0

4) 3nderstanding o$ te "rinci"!es o$ sustaina!e design and

de'e!o"ment0

5) 3nderstanding o$ "ro$essiona! and etica! res"onsii!ities

and commitment to tem1

10) ,"ectation o$ te need to undertake !i$e/!ong !earning

and ca"acity to do so0

0 7 not co'ered under tis 17 co'ered to some etent

27co'ered to a greater etent -7 one o$ te main temes o$ te su8ectLecturer Dr) L) .) 9) de Si!'a

Student #a$e

%egistration #u$er&

Date of !ssign$ent& Date Due&

'nitial Su$ission Date& %e Su$ission Date&


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'$(ortant

1) (!ease note tat (lagiaris$is treated as a serious o$$ence and tere$ore te *ork you

"roduce $ust e indi"idual and original)

2) A!! sources o$ in$ormation must e referenced using *+ar"ard %eferencing *ere

a reference list,iliogra(hy sou!d e inc!uded at te end o$ te assignment) ; "ermitted) Disci"!inary actions *i!! e taken against tose *o are $ound

gui!ty o$ "!agiarism) Signing o$ tis seet is re&uired to indicate your com"!iance *it te

ao'e regu!ations)

Students Signature: ????????????)) Date: )???????

Students @omments+ ;(rior to te sumission= i$ any:

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Students $eedack+ ;A$ter te te sumission= i$ any:

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B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age " o! 26


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TESTS FOR PARTICLE

SIZE DISTRIBUTIONANALYSIS

SOIL MECHANICS


SOIL MECHANICS LABORATORYDEPARTMENT OF CIVIL ENGINEERINGUNIVERSITY OF MORATUWASRI LANKA


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TESTS FOR PARTICLE SIZE DISTRIBUTION ANALYSIS

1. General

.n tese tests &uantitati'e "artic!e si#e distriution ;y *eigt= o$ a gi'en soi! sam"!e is

determined)

2. Scope

>e distriution o$ "artic!e si#es greater tan 0)0 mm ; m= is determined y sie'ing

and tat o$ "artic!e si#es $iner tan 0)0 mm is determined y a sedimentation "rocess

using a ydrometer)

3. Appara!"

1) alances A a!ance sensiti'e to 0)01g

A a!ance sensiti'e to 0)01g

2) Stirring !((aratus ,iter a mecanica!!y o"erated stirring de'ice or an air 8et

dis"ersion a""aratus)

) +ydro$eter An AS>M 11 or 12 ;or any oter standard= ty"e ydrometer

graduated to read te grams "er !itre in sus"ension and con$irming to te

re&uirements o$ te corres"onding standard)

4) Sedi$entation Cylinder A g!ass cy!inder mm in eigt and 6-) mm in

diameter+ and marked $or a 'o!ume o$ 1000 m!)

) Ther$o$eters>ermometer accurate to 0)@)

3) Set of Sie"es A series o$ s&uare mes *o'en *ire c!ot) A $u!! set o$ sie'es

inc!udes te $o!!o*ing mm+ 0 mm+ -) mm+ 2 mm+ 15 mm+ 5) mm+ )

mm+ 2)0 mm+ 0)40 mm+ 0)2 mm+ 0)20 mm+ 0)106 mm and 0)0 mm)

A!ternati'e!y a set o$ sie'es gi'ing a uni$orm s"acing o$ "oints $or te gra" may

e se!ected i$ desired) Suc a set *ou!d consist o$ te $o!!o*ing sie'es mm+

-) mm+ 15)0 mm+ 5) mm+ ) mm+ 2)-6 mm+ 1)14 mm+ 0)-00 mm+ 0)600 mm+

0)10 mm and 0)0 mm)

) Dis(ersing !gent A so!ution o$ Sodium eameta"os"ate sa!! e used in

disti!!ed or deminera!ised *ater+ at te rate o$ 0g o$ Sodium

eameta"os"ateC!itre o$ so!ution)

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age # o! 26


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#. Prepara$on o% &e Sa'ple

>e soi! sam"!e as recei'ed $rom te $ie!d sa!! e e"osed to air at room tem"erature to

get it air dried toroug!y) A re"resentati'e sam"!e o$ te soi! sa!! e *eiged and *eigt

o$ te sam"!e re&uired *ou!d de"end on te si#e o$ te !argest "artic!e in te sam"!e andguidance may e taken $rom >a!e )1) >e ygrosco"ic moisture content sa!! e

determined y o'en drying a sma!! sam"!e o$ soi! ;aout 2 g=)

>e re"resentati'e sam"!e o$ soi! sa!! ten e s"read out in a !arge tray and co'ered *it

*ater) or eac !itre o$ *ater 2 g o$ Sodium eameta"os"ate sa!! e added+ and te

*o!e sa!! e toroug!y stirred to *et te soi! com"!ete!y) .t sou!d e stirred $re&uent!y

and ke"t under *ater $or aout 1 our) Sam"!e sou!d ten e *ased troug y kee"ing

a 2 mm sie'e on to" o$ te 0)0 mm sie'e) (artic!es $iner tan 0)0 mm are a!!o*ed to

*as a*ay) (artic!es $iner tan 2 mm+ ut coarser tan 0)0 mm are retained in te 0)0

mm sie'e) @are sou!d e taken not to a!!o* any o'er$!o*ing o$ materia! $rom 2 mm sie'e

or 0)0 mm sie'e)

Soi! sam"!es retained on t*o sie'es sa!! e o'en dried and *eigted se"arate!y) Dry

*eigt o$ te tota! sam"!e sou!d e otained y a""!ying te ygrosco"ic moisture

correction)

Anoter re"resentati'e sam"!e o$ te air dried soi! sa!! e sie'ed troug a 0)2 mm

sie'e+ and te $raction $iner tan 0)2 mm sou!d e co!!ected $or te ydrometer

ana!ysis)

(. S$e)e Anal*"$"

Proce+!re o% Te"$n,

>e o'en dried sam"!e o$ soi! tat *as retained on 2 mm sie'e sa!! e se"arated using

an a""ro"riate set o$ sie'es o$ si#es canging $rom mm do*n*ard) Largest sie'e

si#e may e se!ected de"ending on te !argest si#e o$ "artic!es retained on 2 mm sie'e+

and a "an sa!! e ke"t on te ottom o$ te set o$ sie'es) Sie'ing o"eration sa!! e

conducted y means o$ a !atera! and 'ertica! motion o$ te sie'e+ accom"anied y a

8arring action in order to kee" te sam"!e mo'ing continuous!y o'er te sur$ace o$ te

sie'e) A!ternati'e!y sie'ing can e done y a mecanica! sie'e saker) Materia!

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age $ o! 26


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"assing 2 mm sie'e ;.$ any= sa!! e added to te a!ready "re"ared ;o'en dried= sam"!e

o$ "artic!es $iner tan 2mm) >is mass o$ soi! sa!! e se"arated using a set o$ sie'es

ranging $rom si#e 2mm do*n*ards and a "an sa!! e "!aced at te ottom) Saking

"rocedure simi!ar to tat ado"ted $or te "ortion retained on 2 mm sie'e sa!! e used)

Sie'ing sa!! e done $or aout 10 mins)

Mass retained on eac sie'e on ot sets sa!! e determined y *eiging te retained

mass on a a!ance sensiti'e to 0)01 g) At te end o$ te *eiging te sum o$ te

masses retained on te sie'es sou!d e e&ua! c!ose!y to te origina! mass o$ te

&uantity sie'ed ;addition o$ te mass o$ te t*o o'en dried sam"!es=

E #ote1 /

>e si#e o$ te "ortion retained on te 2mm sie'e sa!! de"end on te maimum si#e o$

te "artic!e according to >a!e 1)

9omina! Diameter o$ !argest

"artic!e ;mm=

A""roimate Minimum Mass o$

(ortion ;g=

5) 00

15)0 10002) 2000

-4)1 -000

0)4 000

)0 000

E #ote2 /

Amount o$ te "ortion "assing 2 mm sie'e sa!! e a""roimate!y 11 g $or sandy soi!s

and a""roimate!y 6 g $or si!t and c!ay soi!s)

E #ote- /

>ere is an a!ternati'e metod o$ dry sie'ing) Dry sie'ing sa!! e used on!y i$ it is

so*n tat it gi'es same resu!ts as te metod o$ *et sie'ing) .n case o$ dout te

metod o$ *et sie'ing as descried ao'e sou!d e used)

.n te metod o$ dry sie'ing a re"resentati'e sam"!e o$ te soi! ;an o'en dried sam"!e=

is sim"!y sie'ed troug te set o$ sie'es in dry condition)

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age % o! 26


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Co'p!a$on"

Mass o$ te soi! retained on eac sie'e sa!! e e"ressed as a "ercentage o$ te tota!

mass o$ sam"!e) ;Feigt o$ te sam"!e corrected $or te ygrosco"ic moisture sou!d

e used=) >erea$ter cumu!ati'e "ercentage retained sa!! e com"uted y consideringte $u!! sie'e set) By deducting te cumu!ati'e "ercentage retained $rom 100%+

"ercentage $iner tan eac sie'e si#e sa!! e com"uted)

-. *+ro'eer Anal*"$"

Proce+!re o% &e Te"

>e $raction o$ te soi! otained y sie'ing a re"resentati'e sam"!e troug a 0)2

mm sie'e sa!! e used $or tis "ur"ose) Sam"!e o$ tis "ortion sa!! e *eiged and

o'en dried to determine te moisture content) >is *i!! ena!e te com"utation o$

ygrosco"ic correction)

Aout 0 grams o$ tis soi! sa!! e accurate!y *eigted) Feigted soi! mass sa!! e

"!aced in a eaker or a suita!e container and 12 m! o$ te Sodium eameta"os"ate

so!ution ;0gC!itre= sa!! e added) Miture sa!! e stirred unti! it toroug!y *etted

and e a!!o*ed to soak $or at !east 16 ours) At te end o$ te soaking "eriod soaked

sam"!e sa!! e trans$erred to an a""ro"riate dis"ersion cu") Suita!e amount o$ *ater

sa!! e added and te sam"!e sa!! e dis"ersed $urter+ using eiter a mecanica!

stirring a""aratus or an air 8et dis"ersion cu") Fit te mecanica! stirring a""aratus

disti!!ed or deminera!ised *ater sou!d e added to make te cu" a!$ $u!! and stirred

$or at !east 2 mins)

.mmediate!y a$ter te dis"ersion+ Gsoi! 7 *ater s!urry sa!! e trans$erred to te g!ass

sedimentation cy!inder+ and disti!!ed or deminera!ised *ater sa!! e added unti! te

tota! 'o!ume 100 m!) 3sing te "a!m o$ te and o'er te o"en end o$ te cy!inder ;or

a ruer sto""er in te o"en end=+ cy!inder sa!! e saken 'igorous!y y turning it u"

side do*n and ack ;$or a "eriod o$ 1 min or more=+ unti! a uni$orm sus"ension is

$ormed) >erea$ter te cy!inder sa!! e "!aced in a con'enient !ocation to take

ydrometer readings at te $o!!o*ing time inter'a!s) ;Measured $rom te eginning o$

sedimentation= H min+ 1 min+ 2 min+ min+ 4 min+ 1 min+ -0 min+ 1 r+ 2 rs+ rs+ 4

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age o! 26


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rs+ 16 rs+ 2 rs+ -6 rs+ ????) >e ydrometer sa!! e remo'ed s!o*!y a$ter

min+ rinsed in *ater and ke"t in a cy!inder o$ disti!!ed or deminera!ised *ater) Fen it

is desired to take a ydrometer reading+ te ydrometer sa!! e care$u!!y inserted aout

-0 sec 7 sec e$ore te reading is due) As soon as te reading is taken+ ydrometer

sa!! e care$u!!y remo'ed and "!aced ack in te cy!inder o$ disti!!ed or deminera!ised

*ater)

igure 1 5 Corrections for +ydro$eter %eading

Correc$on"

*,ro"cop$c /o$"!re Correc$on Facor0

>is is te ratio et*een te mass o$ te o'en dried sam"!e to tat o$ te air dried

sam"!e) Actua! dry *eigt o$ te soi! taken to "re"are te sus"ension+ sa!! e

determined using tis $actor)

Correc$on" %or *+ro'eer Rea+$n, 0

,&uations $or "ercentage o$ soi! remaining in sus"ension are ased on disti!!ed or

deminera!ised *ater) Dis"ersing agent used in te sam"!e "re"aration cause an

a""recia!e cange in tis)

ydrometers are graduated to read at te ottom o$ te meniscus $ormed y te !i&uid

on te stem) Since it is not "ossi!e to otain readings o$ soi! sus"ensions at te ottom

o$ te meniscus+ readings must e taken at te to" and a correction a""!ied) @orrections

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age ' o! 26

@d@m


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$or te ao'e can e determined e"erimenta!!y+ y "re"aration o$ a 1000 m! o$ !i&uid+

com"osed o$ disti!!ed or deminera!ised *ater and dis"ersing agent in te same

"ro"ortion as used in te soi! sus"ension) ydrometer sa!! e inserted in te so!ution

and reading o$ te ydrometer at te to" o$ te meniscus $ormed on te stem+ and a!so

at te ottom o$ te meniscus $ormed on te stem sa!! e taken) >e a""ro"riate

corrections can e determined as i!!ustrated in igure 1)

Meniscus @orrection I Cm

Dis"ersing agent @orrection I Cd

@om"osite @orrection I Cd7 Cm

Co'p!a$on"

LetJ

HR

e te ydrometer reading taken on to" o$ te meniscus in te soi!

sus"ension Fen te Meniscus correction is a""!ied R can e $ound y

mHH CRR KIJ

>e distance GL+ $rom te sur$ace o$ te sus"ension to te !e'e! at *ic ydrometer

is measuring density+ and HR are re!ated and re!ationsi" is "resented in te $orm o$ a

ta!e) ;or AS>M ty"e 12 ydrometer tis is "resented in >a!e 2=)

Fen com"osite correction is a""!ied to te ydrometer+ a readingRis otained

( )mdHdH

CCRCRR //J==

Percentage of Particles %e$aining in Sus(ension6

>e "ercentage o$ soi! remaining in sus"ension at te !e'e! at *ic te ydrometer is

measuring density o$ te sus"ension may e ca!cu!ated as

100LIW

RaP %

*ere

1) P I (ercentage o$ soi! remaining in sus"ension at te !e'e! at *ic te

ydrometer is measuring te density o$ te sus"ension)

2) a I @orrection to e a""!ied due to 'ariation o$ "artic!e s"eci$ic gra'ity ;gi'en in

>a!e -=)

-) R I ydrometer reading *it com"osite correction a""!ied)



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) WI O'en dry mass o$ te soi! in te sus"ension ;Mass o$ te soi! taken to "re"are

te so!ution sou!d e corrected *it te ygrosco"ic moisture correction=

7 #ote

See section 6) $or te correction tat as to e a""!ied to te ao'e P 'a!ue *en

considering te "artic!e si#e distriution $or te com"!ete soi! sam"!e)

D$a'eer o% So$l Par$cle"

>e diameter o$ a "artic!e corres"onding to te "ercentage indicated y a gi'en

ydrometer reading sa!! e ca!cu!ated ased on te Strokes !a*) .t is assumed tat

te "artic!e *as at te sur$ace o$ sus"ension at te sur$ace o$ sus"ension at te

eginning o$ sedimentation+ and ad sett!ed to te !e'e! at *ic te ydrometer is

measuring te density o$ te sus"ension)

An e"ression can e deri'ed using Strokes !a* and e "resented in a sim"!i$ied $orm

as

t

LKD I

*ere

1) D I Diameter o$ te "artic!e in mm

2) K I @onstant de"ending on te tem"erature o$ te sus"ension and te s"eci$ic

gra'ity o$ te soi! "artic!es) a!ues o$ K$or a range o$ tem"eratures and s"eci$ic

gra'ities are gi'en in >a!e ;$or AS>M ty"e 12 ydrometer=

-) L I 'a!ue o$ L can e otained $rom a ta!e "ro'ided *it te ydrometer ;As

descried e$ore using >a!e 2=)

Pre"ena$on o% Re"!l"

Resu!ts sa!! e re"orted in a tau!ated $orm y gi'ing te "ercentage $iner $or di$$erent

"artic!e si#es) or te sie'e ana!ysis tese si#es corres"ond to si#es o$ te sie'es) or

te ydrometer ana!ysis a diameter corres"onds to a ydrometer reading taken at a

"articu!ar time and com"utation sou!d e done as descried e$ore) >at com"utation

is "er$ormed during te ydrometer ana!ysis y taking te "ortion $iner tan 0)2 mm

as 100%) >ere$ore in comining te "artic!e si#e ana!yses done troug te sie'e

ana!ysis and troug te ydrometer ana!ysis+ "ercentages in te !atter sou!d e



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mu!ti"!ied y te "ercentage $iner tan 0)2 mm in te sie'e ana!ysis) Resu!ts o$ te

tests can e "resented in tau!ated $orms as in >a!e and >a!e 6) ;>ese ta!es can

e used to summarise resu!ts o$ tests done on numer o$ di$$erent sam"!es $orm

di$$erent ore o!es=) >e resu!ts sa!! a!so e re"orted gra"ica!!y using semi !og "!ot

as so*n in igure 2)

>a!e 2 : a!ues o$ ,$$ecti'e De"t Based on ydrometer and Sedimentation @y!inder

o$ S"eci$ied Si#es

!ctual

+ydro$eter

%eading

HR

Effecti"e

De(th 8c$9

:

!ctual

+ydro$eter

%eading

HR

Effecti"e

De(th 8c$9

:

!ctual

+ydro$eter

%eading

HR

Effecti"e

De(th 8c$9

:

0 16)- 21 12)5 1 5)6

1 16)1 22 12) 2 5)

2 16)0 2- 12) - 5)2

- 1)4 2 12) 5)1

1)6 2 12)2 4)5

1) 26 12)0 6 4)4

6 1)- 2 11)5 4)6 1)2 24 11) 4 4)

4 1)0 25 11) 5 4)-

5 1)4 -0 11) 0 4)1

10 1) -1 11)2 1 )5

11 1) -2 11)1 2 )4

12 1)- -- 10)5 - )6

1- 1)2 - 10) )

1 1)0 - 10)6 )-

1 1-)4 -6 10) 6 )1

16 1-) - 10)2 )0

1 1-) -4 10)1 4 6)4

14 1-)- -5 5)5 5 6)6

15 1-)2 0 5) 60 6)

20 1-)0



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B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 1" o! 26


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;ni"ersity of Moratu.a 5 De(art$ent of Ci"il Engineering

+ydro$eter !nalysis of Soils

Pro


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Tale 5 =alues of Correction actor *a> for Different S(ecific Gra"ities of Soil Particles

S(ecific Gra"ity Correction actor

2)5 0)5

2)50 0)52)4 0)56

2)40 0)5

2)0 0)552)6 1)00

2)60 1)01

2) 1)02

2)0 1)0-2) 1)0

Tale 4 5 =alues of ? for ;se in E@uation or Co$(uting Dia$eter of Particle in +ydro$eter

!nalysis for Different S(ecific Gra"ities of Soil Particles

=alues ofKfor ;se in E@uation for Co$(uting Dia$eter of Particle in +ydro$eter !nalysis

Te$(eratureA

deg C

S(ecific Gra"ity of Soil Particles

2)4 2)0 2) 2)30 2)3 2)0 2) 2)B0 2)B

16 0)0110 0)010 0)0141 0)01 0)01- 0)011 0)01-5 0)01- 0)01-61 0)0111 0)0146 0)0162 0)01-5 0)011 0)01-56 0)01-6 0)01-6 0)01--4

14 0)0152 0)016 0)01- 0)0121 0)01-55 0)01-4 0)01-5 0)01--5 0)01-21

15 0)01 0)015 0)012 0)010- 0)01-42 0)01-61 0)01-2 0)01-2- 0)01-0

20 0)016 0)01-1 0)0104 0)01-46 0)01-6 0)01- 0)01-2 0)01-0 0)01245

21 0)01-4 0)011 0)01-51 0)01-65 0)01-4 0)01-24 0)01-05 0)01251 0)012-

22 0)0121 0)01-5 0)01- 0)01-- 0)01--2 0)01-12 0)0125 0)0126 0)0124

2- 0)010 0)01-41 0)01-4 0)01-- 0)01-1 0)0125 0)0125 0)01261 0)012-

2 0)01-44 0)01-6 0)01-2 0)01-21 0)01-01 0)01242 0)0126 0)0126 0)01225

2 0)01-2 0)01-5 0)01-2 0)01-06 0)01246 0)0126 0)0125 0)012-2 0)0121

26 0)01- 0)01-- 0)01-12 0)01251 0)0122 0)012- 0)012- 0)01214 0)01201

2 0)01-2 0)01-15 0)0125 0)012 0)0124 0)012-5 0)01221 0)0120 0)01144

24 0)01-2 0)01-0 0)0124- 0)0126 0)012 0)0122 0)01204 0)01151 0)011

25 0)01-12 0)01250 0)01265 0)0125 0)012-0 0)01212 0)0115 0)0114 0)01162

-0 0)01254 0)0126 0)0126 0)012-6 0)0121 0)01255 0)01142 0)0116 0)0115

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 1# o! 26


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DEPART/ENT OF CIIL ENGINEERING

UNIERSITY OF /ORATUA

Par$cle S$e Anal*"$" 4 S$e)e Anal*"$"

Cl$en 5

Pro6ec 5

B N!'7er 5 Dep& 5

Toal /a"" o% &e Sa'ple 5

S$e)e S$e8''9

/a"" o%S$e)e 8,9

/a"" o% S$e)e: So$l 8,9

/a"" o% So$lRea$ne+ 8,9

; Rea$ne+ C!'!la$)e; Rea$ne+

; F$ner

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 1$ o! 26


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DEPART/ENT OF CIIL ENGINEERINGUNIERSITY OF /ORATUA

S$e)e Anal*"$" Te" Re"!l"

Pro6ec 5

Bore ole No

Dep& 8'9

S$e)e S$e 8''9 Percena,e Pa""$n,

DEPART/ENT OF CIIL ENGINEERING

UNIERSITY OF /ORATUA

*+ro'eer Anal*"$" Te" Re"!l"

Pro6ec 5

Bore ole No

Dep& 8'9

S$e)e S$e 8''9 Percena,e F$ner

B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 1% o! 26


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;ni"ersity of Moratu.a 5 De(art$ent of Ci"il Engineering

Soil Classification 5 ;nified Classification Syste$

Pro


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B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 1' o! 26

Particle Size Analysis Sieve Analysis

Total weigt ta!e" #g$ % &'''

Sieve

Size(mm)

Mass ofSoil (g)

Cumulati

ve mass(g)

PercentRet (%)

PercentFiner (%)

&( ' ' ' &''

&)*+ ,,*'- ,,*'- ,*, (-*.

&' /'*-, &.,*-( &.*,. /0*-,

0 )'.*- -0'*,( -0*'+ ,.*(-

-*-0 /(*.( ..'*&/ ..*') 00*(/

)*-, +-*0. 0&-*+) 0&*-+ ./*,-

&*&/ &(+*/) +&&*0. +&*&0 )/*/0

'*, -.*0 +.,*'. +.*, )0*.

'*- ).*+0 ++'*+( ++*'/ ))*()'*&0 &(*(- +('*+) +(*'+ )'*(-

'*'+0 &'*00 /'&*)+ /'*&- &(*/+


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B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 21 o!26


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Worksheet for Comine! "y!rometer an! Sieve Analysis

#s $ &' Cm $ &Weight (g) $

C! $ *em+ $ , !eg - $

&.//Percent at &/

mm $ '%

0ay *ime*ime

1la+se!(min)

*em+ R"2R"$ R"2 3

Cm4 (cm) 45t 0 (mm)

R$R"6C!

%Finer

% FinerMo!ifie

!

'*)0 )+ )+*0 &&*/ .+*)'*'/0.,

,)0*0 0& --*&0

'*0 )& )&*0 &)*( )0*/'*',-&/

+&(*0 -( )0*-0

& &+ &+*0 &-*0 &-*0'*'.0+'

+&0*0 -& )'*&0

) &- &-*0 &.*& +*'0 '*'--'- &&*0 )- &.*(0

. && &&*0 &.*. -*,'*')-,'

-(*0 &( &)*-0

/ ( (*0 &.*+0 &*/.-+0'*'&,/(

)+*0 &0 (*+0

&0 + +*0 &0*&&*'',,,

+'*'&)./

&0*0 && +*&0

-' , ,*0 &0*)0'*0'/--

-'*''//,

(.*0 ( 0*/0

,' 0 0*0 &0*.'*)0,,,

+

'*'',-'

)

-*0 + .*00

&)' . .*0 &0*00'*&)(0/

-'*''..+

/)*0 0 -*)0

).' - -*0 &0*+'*',0.&

+'*''-&/

)&*0 - &*(0

&..' ) )*0 &0*('*'&&'.

)'*''&-'

+'*0 & '*,0



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B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 2" o!26


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B.Sc Engineering, Semester III, CE 2042 Soil Mechanics & Geology - 1 age 2# o!26


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Marking Scheme:

Measurements 35%: Precision, Reliability

Calculations Results !5%: "ccuracy, Met#odolo$y, Presentation

Discussion !5%: Content, "rran$ement, Presentation

Courseor& Presentation '5%: (eatness, Clarity, "ccordance to t#e )ormat

Documents

Particle Size Distribution Analysis (Obe)