Report e Slope

8/19/2019 Report e Slope

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Advanced Soil Mechanics

Design Exercise“Slope Stability”

Guillermo Mu ñoz Flores (518770)

Fall 2015



Management of lifecycles of buildings - October 2015

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Guillermo Muñoz Flores




ContentsNo table of contents entries found.

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ContentsIntroductionShort description of the soil profile and design of the structureParameters used in calculations

Analysis

Short term analyses in “Ultimate Limit State”

Factor of o erall safety

GEOCALC 2d Bishop Method

!artial safety factor

GEOCALC 2D Bishop method SFTL-1.30, SFEML-1,15

GEOCALC 2D Bishop method SFTL-1.15, SFEML-1,30GEOCALC sta i!it" #a!#$!atio% o& the most da%'e(o$s s!ip s$(&a#e )*SF, 2D Bishop+smethod

a%d #a!#$!atio% o& the most da%'e(o$s s!ip s$(&a#e )*SF, 2D Bishop+s methodGEOCALC sta i!it" #a!#$!atio% )*SF, Mo('e%ste(%-*(i#e methodGEOCALC sta i!it" #a!#$!atio% )*SF, 2D a% $+s methodGEOCALC #a!#$!atio% /ith (e etme%t )*SF, 2D Bishop+s methodGEOCALC sta i!it" #a!#$!atio% /he% /ate( is added )*SF, 2D Bishop+s method

Long term analysis in ULS

Factor of o erall safety for long term analysis

GEOCALC sta i!it" #a!#$!atio% )FOS, 2D Bishop+s methoda%d #a!#$!atio% o& the most da%'e(o$s s!ip s$(&a#e )FOS, 2D Bishop+s method

!artial safety factor met"od for long term analysis

GEOCALC sta i!it" #a!#$!atio% )*SF, 2D Bishop+s methodGEOCALC sta i!it" #a!#$!atio% &o( (isi%' /ate( )*SF, 2D Bishop+s methodGEOCALC sta i!it" #a!#$!atio% &o( $i# de#(ease o& /ate( )*SF, 2D Bishop+s method

Long term analysis in SLS

GEOCALC sta i!it" #a!#$!atio% )2D Bishop+s method

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Introduction

!his e"ercise has #een done as part of the Ad$anced Course in Soil %echanics& 'ith the aimof o#tain different security factors 'ith different conditions of a gi$en slope& 'hich consists of

the e"ca$ation of a channel ne"t to a road( All the calculations are made mainly 'ith the use of )*+CALC and completing them 'ithhand calculations(!he guidelines of this e"ercise 'ere the *urocode , using the -innish .ational Anne"(

Short description of the soil profile and design of the structure

!he soil composition #eneath the road is sho'ed in the picture #elo'& first #ase material for 1(/ mtr and soft clay #elo'& its strength properties 'ere determined in three differentpositions trough a $ane test and la#oratory testing( 0ith this information& the soil 'as di$idedinto layers to simplify the calculation(

!he slope of the channel is 1 2&/ and a 'ater depth 132&4 m( !he road em#an5uementhas a thic6ness of 4&/m and 14m long& the traffic load o$er is 146.7m2& in addition 'e ha$ean e"tra load of 146.7m2 due to the e"ca$ation machinery(

Parameters used in calculations

In the ta#le #elo' are presented the properties of the soil( Undrained shear strengthparameters are o#tained from the $ane test& 'hich are affected #y a reduction factor µdepending on its ' L( It is recommended to use the shear strength $alues of the first clay layer for the #ase material as these may #e higher( Inde" properties are o#tained from thela#oratory test(

Analysis

Short term analyses in “Ultimate Limit State”

!o do the analysis in ULS means that 'e are getting parameters to the limit state of stressesthat our slope 'ill #e a#le to resist 'ithout failing( -or this calculation 'e use φ 3 4 for alllayers #ut the road em#an5uement( 0e assume there is no 'ater in the channel& the traffic

and machinery load are included(8 /6





Factor of o erall safety

GEOCALC 2d Bishop Method

!artial safety factor

GEOCALC 2D Bishop method SFTL-1.30, SFEML-1,15GEOCALC 2D Bishop method SFTL-1.15, SFEML-1,30GEOCALC sta i!it" #a!#$!atio% o& the most da%'e(o$s s!ip s$(&a#e )*SF, 2D Bishop+smethod

a%d #a!#$!atio% o& the most da%'e(o$s s!ip s$(&a#e )*SF, 2D Bishop+s methodGEOCALC sta i!it" #a!#$!atio% )*SF, Mo('e%ste(%-*(i#e methodGEOCALC sta i!it" #a!#$!atio% )*SF, 2D a% $+s methodGEOCALC #a!#$!atio% /ith (e etme%t )*SF, 2D Bishop+s methodGEOCALC sta i!it" #a!#$!atio% /he% /ate( is added )*SF, 2D Bishop+s method

Long term analysis in ULS

Factor of o erall safety for long term analysis

GEOCALC sta i!it" #a!#$!atio% )FOS, 2D Bishop+s methoda%d #a!#$!atio% o& the most da%'e(o$s s!ip s$(&a#e )FOS, 2D Bishop+s method

!artial safety factor met"od for long term analysis

GEOCALC sta i!it" #a!#$!atio% )*SF, 2D Bishop+s methodGEOCALC sta i!it" #a!#$!atio% &o( (isi%' /ate( )*SF, 2D Bishop+s method

GEOCALC sta i!it" #a!#$!atio% &o( $i# de#(ease o& /ate( )*SF, 2D Bishop+s method

Long term analysis in SLS

GEOCALC sta i!it" #a!#$!atio% )2D Bishop+s method

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