sedimaging technique in soil classification

8/19/2019 Sedimaging technique in soil classification

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SEMINAR ON

By

SUDARSHAN BAROLE15CE64R07

Guide

DR. DEBASIS ROY

DEPARTMENT OF CIVIL ENGINEERING

INDIAN INSTITUTE OF TECHNOLOGY

KHARAGPUR

SIZE DISTRIBUTION OF COARSE-GRAINED

SOIL BY SEDIMAGING


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1. INTRODUCTION

1.1 PARTICLE SIZE DISTRIBUTION Most fundamental property of coarse grained soil

It is useful to predict the range of engineering properties like void ratio

,unit weight , angle of internal friction , hydraulic conductivity etc of soil.

Commonly use to decide the acceptance criteria for fills, soil filter and

paving material.

It is also useful to give idea about the suitability and selection of ground

modifications methods such as grouting , vibratory densification , ground

freezing and electro osmosis.


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1.2 TRADITIONAL METHOD FOR PARTICLE-SIZE DISTRIBUTIONOF COARSE GRAINED SOIL

By perform!" #e$e %!%&y## of #o&.Se' of #e()e!'%&&y %rr%!"e* #e$e o!e o$er '+e

o'+er ! $er',%& p&%!e #),+ '+%' '+e #e$e +%$!"m%m)m %per')re %' '+e 'op %!* m!m)m #e of

%per')re %' /o''om


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Se' of #e$e# Se$e #+%0er

1. App%r%')# for perform!" #e$!" 'e#' o!#o&


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1. DISAD3ANTAGES OF SIE3E ANAL4SIS

I' # 'me ,o!#)m!" %# r)!!!" #e$e #+%0er%!* 5e"+!" e%,+ #e$e '%0e % &o' of 'me.

C&o""!" of ope!!" of #e$e %f'er )#e.Co#'&y 'o p)r,+%#e6 )#e %!* m%!'%! #e$e6

#e$e #+%0er %!* #,%&e#.

I' # !o#y %!* %o !'ro*),e %r/or!e

p%r',)&%'e# ! 'o '+e &%/or%'ory.


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2. SEDIMAGING

T+e 'erm #e*m%"!" ,%! /e #mp&fy %# #e*me!' p&)# m%"!".

A !e5 me'+o* re,e!'&y *e$e&op 'o *e'erm!e '+e p%r',&e #e*#'r/)'o! of ,o%r#e "r%! #o&.

T+# me'+o* # pr%,',%&&y mp&eme!'e* /y Hyo!-#+o0 O+m %!*

Rom%! D. Hry,5 ' "$e# '+e p%r',&e #e *#'r/)'o! for p%r',&e# /e'5ee!

7.789mm %!* 2.7 mm

T+# 'e#' %o +e&p 'o *e'erm!e '+e per,e!'%"e :!er '+%! .789mm

2.1 I!'ro*),'o!


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T+e #e*m%"!" 'e#' # /%#e* o! m%"!" 'e,+!()e#.

No5 % *%y m%"!" 'e,+!()e# +%$e /ee! 5*e&y %*op'e* !

m%!y :e&*# &0e me*,%& 6 %ero#p%,e 6 *efe!#e %!* !%'o!%&#e,)r'y e',.

For e%mp&e ! me*,%& *%"!o##6 'oo &0e m%"!e',re#o!%!,e m%"!";MRI< %!* ,omp)'e* 'omo"r%p+y;CT<#,%!

For #e,)r'y m%"e# of f%,%& fe%')re#6 :!"erpr!'#6 +%!*"eome're# %!* r#e# 'o *e!'fy % per#o!.

2.2 B%,0"ro)!*


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By )#!" '+# 'e,+!()e 6 % 'e#' !%me* %# '&'!" /%,0&''r%!#&),e!' #e"re"%'o! '%/&e;TST< for o/'%!!" '+e #e*#'r/)'o! of p%r',&e ! '+e 7mm 'o 2mm r%!"e #*e$e&ope*


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I! 277 #+! %!* Hry,5 *e$e&ope* %! m%"e pro,e##!"'e,+!()e /%#e* o! 5%$e&e' 'r%!#form%'o!.

B)' *)e 'o %/#e!,e of +"+ re#o&)'o! ,%mer% %!*

&%/or%'ory 'e#'!" #y#'em %' '+%' 'me6 '+e %/o$e ,o!,ep'5%# o!&y % '+eore',%& ,o!,ep'

O+m %!* +ry,5 '+e! 'r%,0e* '+e *e$e&opme!' of ,%mer%'e,+!o&o"y )!'& 27-7 me"%pe& ,%mer% /e,%me %$%&%/&e! e%r&y 2717.

2. EARL4 ATTEMPS TO=ARD SEDIMAGING


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T+e #e*m%"!" #y#'em for #!" p%r',&e# ! '+e 2.7 mm'o .789mm r%"e ,o!##'# of fo&&o5!" ,ompo!e!'#

1. #e*me!'%'o! ,o&)m!

2. Se*me!' %,,)m)&%'or. Pre #e"re"%'o! ')/e

. S)ppor' 'o5er %!* /%#e

9. Po#'o!!" #y#'em

>. Co!!e,'or %!* *r%!%"e #y#'em

8. DSLR C%mer%

?. ,omp)'er

2. SEDIMAGING HARD=ARE


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2..1

Se*me!'%'o

! ,o&)m!

Se*me!'%,,)m)&%'or

Pre #e"re"%'o!')/e


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#e*me!'%'o! '%!0 # 8 fee' &o!" m%*e of %&)m!)m %!*+%$!" #()%re ,ro## #e,'o! 5'+ 2! 2! !#*e *me!#o!#

Se*me!' %,,)m)&%'or # 22 ! &o!" 5'+ "&%## 5!*o5 %!* %'

%''%,+e# 'o '+e /o''om of #e*me!'%'o! ,o&)m!. 1? ! pre-#e"re"%'or ')/e %,'# %# /o'+ % p%r',&e pre

#e"re"%'or %!* % re&e%#e me*)m 'o !'ro*),e '+e #pe,me!!'o 5%'er :&& ,o&)m!.

1>.2 me"%pe& N0o! D8777 ,%mer% 5'+ %! AF-S M,ro

!00or >7mm &e!# # )#e*

2..1 *e#,rp'o! %/o)' ,ompo!e!'#


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I! or*er 'o ,re%'e#&"+'&y $%,))m!#*e pre-#e"re"%'or6

mem/r%!e # p)#+e*!'o '+e ')/e 5'+%&&o5!" %r 'oe#,%pe.

Pre-#e"re"%'or 5'+ 5%'er%* #o& # #+%0e! )!'& '+ep%r',&e# %re 5e&& me*


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Af'er m!" ')/e # p&%,e*

$er',%& 5'+ r)//ermem/r%!e o! '+e /o''om.Co%r#e fr%,'o! of #o& #%&&o5e* 'o #e''&e %' /o''om

Af'er #e''!" of p%r',&e# '+er)//er mem/r%!e # remo$e* .Here '+e $%,))m 0eep# '+ep%r',&e# from o5!" o)'.


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T+e pre-#e"re"%'or # p&%,e* o!'+e 'op of #e*me!'%'o! ,o&)m!5+,+ # :&&e* 5'+ 5%'er.

A!* '+e $%,))m # re&e%#e* /y

remo$!" '+e #m%&& ,%p %''%,+e*%' '+e /%#e of per-#e"re"%'o!')/e.

D)e 'o %/o$e #'ep6 #o& from pre-

#e"re"%'or re&e%#e# !'o '+e#e*me!'%'o! ,o&)m!. So& #

%&&o5e* 'o %,,)m)&%'e %' '+e/o''om #e*me!' %,,)m)&%'or.

Af'er #e''&!" of ,o%r#e p%r',&e %'/o''om6 '+e 5%'er 5'+ :!e# #remo$e* /y )#!" $%&$e %!**r%!%"e ,o!!e,'o!.


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Se*me!'%'o! 5'+ 'me


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Af'er remo$!" 5%'er6m%"e of #e*me!' %'/o''om of #e*me!'%,,)m)&%'or # '%0e!.,%mer% %!* &e!# %re

pre-#e' 'o '%0e m%"e %'%! #,%&e of 8-? pe&per m&&me'erC%mer% # oper%'e* /y,omp)'er %!* '+e! %f'er5%r* % ,omp)'er /%#e*

pro"r%m %!%&y## '+em%"e %!* "$e# '+eo)'p)'.


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Pe&- I' # '+e #m%&&e#' ,o!'ro&&%/&e e&eme!' of % p,')rerepre#e!'e* o! '+e #,ree!.

Pe per *%me'er;PPD


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Grey #,%&e -T+e !'e!#'y of % pe& # epre##e* 5'+! % "$e! r%!"e/e'5ee! % m!m)m %!* % m%m)m6 !,&)#$e. T+# r%!"e #repre#e!'e* ! %! %/#'r%,' 5%y %# % r%!"e from 7 ;'o'%& %/#e!,e6 /&%,0<%!* 1 ;'o'%& pre#e!,e6 5+'e


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=%$e&e' Tr%!#form%'o!

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*#'r/)'o!.

T+e #e*m%"!" pro"r%m perform# %&& '+e 5%$e&e'oper%'o! # ! '+e /%,0"ro)!* 5'+ !o )#er !p)'re()re.

=%$e&e' 'r%!#form%'o! *e,ompo#e % m%"e of 2 2 pe& #e m%"e !'o *e,ompo#'o! &e$e& %!*,%&,)&%'e e!er"y ,orre#po!* 'o e%,+ &e$e&.

E!er"y # '+e me%#)re of '+e m%"!')*e of '+e

*ere!,e /e'5ee! %$er%"e "r%y #,%&e of


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Se$e! &e$e of *o5!#,%&!" /e"!!!" 5'+ % 12? 12? m%"e %'PPD1.2


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5+,+ '+e %re%# of%pprom%'o! %re,&o#e#' 'o '+e p%r',&e#e.


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O+m %!* Hry,5 #+o5e*'+%' %# '+e PPD !,re%#e6'+e ,o!,e!'r%'o! ofe!er"y #+f'# 'o +"+ere!er"y &e$e&.

=%$e&e' !*e T+e,e!'ro* of %re% /e!e%'+ %!orm%&e e!er"y &!e 5'+

re#pe,' 'o $er',%& %# T+ey "%$e '+e re&%'o!

/e'5ee! PPD %!* CA/%#e* o! eperme!'# o!pre-#e$e* #o&

Impor'%!' po!' /%#e* o! %/o$e ,o!,ep'#


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T+ey pro*),e* '+e,%&/r%'o! ,)r$e %# #+o5!.

T+e re&%'o!#+p /e'5ee!CA %!* PPD # "$e! %#

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O!,e yo) *e'erm!e CA for % por'o!6 yo) ,%! e%#&y *e'erm!e'+e PPD /y )#!" e()%'o!.

T+e %,')%& "r%! #e ,%! /e ,omp)'e* %#

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F" #+o5!" p%r',&e#or'e* /y #e

T+# m%"e # %!%&ye*

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%!%&y##;12?12? pe


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R%!*om $%&)e# of D;o!&y 27of 'o'%& $%&)e o/'%!e*

Af'er #or'!" %&& '+e *%'%po!'# /y p%r',&e #e6 :!%&p%r',&e #e *#'r/)'o!

Sof'5%re for %!%&y!" m%"e 5%# ,o*e* )#!" MATLAB R271%


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Comp%r#o! of #e*m%"!" 'o

#e$!" re#)&'#I! or*er 'o ,omp%re #e*m%"!" 5'+ #e$!"6

'e#' 5ere performe* o! !!e *ere!' #oJ

S%me #o& #%mp&e# 5ere )#e* for /o'+ 'e#'# 'oe&m!%'e %!y r%!*om!e##.

Ne' fe5 #&*e# "$e# *e'% %/o)' '5o 'e#'re#)&'#.


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F". ?. S%mp&e #o& m%"e#K ;%< 2NSJ ;/< C%p'o&%J ;,< C&%## IIAJ

;*< Co#'% R,%J ;e< Gr!J ;f< R!,o!J ;"< S,o''# 3%&&eyJ ;+< UpperPe!!#)&%J ;< O%0&%!* Co.


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So& *e#,rp'o! %!* ,omp%r#o! /e'5ee! #e$e %!* #e*m%"!" re#)&'#of *ere!' #o&


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Comp%r#o! of p%r',&e #e *#'r/)'o! ,)r$e


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Comp%r#o! /e'5ee! #e*m%"!" %!* #e$!"K ;%< D?9J ;/< D>7J;,< D97J ;*< D7J ;e< D17J ;f< C)


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sedimaging technique in soil classification

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