report devanahalli
TRANSCRIPT
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TABLE OF CONTENTS
1. Introduction 2
2. Scope of work 2
3. Objectie! " Scope of work 3
#. L$bor$tor% Te!tin& 'rocedure! 3
(. Sc)edu*e of Ine!ti&$tion #
+. ,$ter T$b*e #
-. Sub Soi* 'rofi*e (
/. 0ecoend$tion! (
. Addition$* 0ecoend$tion! -
A''ENI4
I. L$bor$tor% Te!t 0e!u*t! /
II. Bore)o*e Loc$tion '*$n
III. 5r$in Si6e i!tribution Cure! 17
I8. Bore*o&! 13
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MIDAS EXOTICA
SUGUNA ENGINEERING CONSULTANCY GEOTECHNICAL INVESTIGATION
0E'O0T ON T9E SOIL IN8ESTI5ATION FO0 T9E '0O'OSE '0O:ECT
;IAS E4OTICA
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2. Objectie! $nd Scope of ,ork
2.1 Objectie!
'he pri#ary o$5ectives of the Geotechnical Investigation are+
Deter#ination of the nature of the deposits of soil
Deter#ination of the depth and thic-ness of the various soil strata and
their extent in the hori1ontal direction
'he location of ground water and fluctuations in G6'
7$taining soil and roc- sa#ples fro# the various strata
Deter#ination of the engineering properties of the soil and roc- strata that
affect the perfor#ance of the structure, and
Deter#ination of the in*situ properties $y perfor#ing field tests 'o reco##end the type and depth of foundation
'o reco##end i#prove#ents to the wea- soil strata, if any.
2.2 Scope of work
'he scope of wor- includes the following field 8In*situ and la$oratory tests.
2.2.1Fie*d
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2.3 0eport
'his report co#prises of soil profiles, reco##endations regarding allowa$le
$earing capacity, type and depth of foundations and i#prove#ent in $earing
capacity if any = su$#ission of report with relevant reco##endations.
3.7 SC9E>LE OF IN8ESTI5ATION
3.1 ;et)od of Fie*d Ine!ti&$tion
3.2 S$p*in&
4ro# the tandard enetration tests, distur$ed sa#ples have $een collected $y
using split spoon sa#pler. >epresentative 0D sa#ples were procured fro# the
se#i cohesive strata $y using &""## dia#eter and ?(c# long sa#pling tu$es.
'o study the su$soil strata, ( nos. of &("##/
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$ore log sheets.'he depth at which ' tests were conducted in each $orehole
is as follows.
BO0E 9OLE LOCATION. S'T E'T9
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for an allowa$le settle#ent of !( and ?"## and it was reco##ended for !(##
settle#ent.
BC calculations have $een carried out $ased on a foundation of width !."#.
6hile esti#ating the BC%s the water ta$le has $een assu#ed at the $ase of
footing.
4or BC calculations, $oth shear criteria and settle#ent criteria is considered.
'he so called BC values are ta$ulated as under.
For B91
ept)
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2 three layered su$ soil profile has $een o$served in the $ore holes
which consists of $rownish silty sand followed $y grayish $rownsilty sand and underlain $y $rownish white soft disintegratedweathered strata.
BC calculations have $een carried out $ased on a foundation ofwidth !." and settle#ent criteria is considered.
eepage water has not $een o$served in the $orehole location
during the field investigation.
;iniu dept) of found$tion i! 1.( fro t)e ei!tin& dept)
wit) $n e!ti$ted SBC of 1-.7t2.
ept) of found$tion to 1.( $nd bene$t) t)e found$tion !)$**
be we** cop$cted !o $! t)e !urf$ce be een.
Open found$tion! of t%pe i!o*$ted i! recoended. A** t)e
footin& b$!e! $re to be p*$ced $t !$e *ee*.
It i! $di!ed to proide !uit$b*e continuou! p*int) be$ ju!t
$boe t)e footin& top *ee*
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A''ENI4 ILABO0ATO0= TEST 0ES>LTS ')%!ic$* 'ropertie!
BO0E9OLE
SA;'LEE'T9
' 9." &!.?? " < 99
B)?0D &.( :.!9 "
B)! 0D &.( &.:9 &.;& ".&" 9"
Free Swe** Inde
BO0E 9OLE E'T9
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Fi&. 1 BO0E9OLE LOCATION 'LAN
Note Not to Sc$*e
A''ENI4 GIII
9
0OA#7
B93
2(B9(
(B91
1B92
1B9#
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Fi&.2 5r$in Si6e i!tribution cure! for B91
Fi&.3 5r$in Si6e i!tribution cure! for B92
Fi&.# 5r$in Si6e i!tribution cure! for B93
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Fi&.( 5r$in Si6e i!tribution cure! for B9#
Fi&.+ 5r$in Si6e i!tribution cure! for B9(
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