Reinforced Soil Retaining Walls Design Examples Civil Engineering (CE) Notes | EduRev

Civil Engineering (CE) : Reinforced Soil Retaining Walls Design Examples Civil Engineering (CE) Notes | EduRev

 Page 1


Reinforced Soil Retaining Walls
Design Examples esign xamples
ExternalStabilityAnalysisto External Stability Analysis to 
Determine Length of Reinforced Soil block
Numericalsolutionsonblackboard Numerical solutions on black board
Page 2


Reinforced Soil Retaining Walls
Design Examples esign xamples
ExternalStabilityAnalysisto External Stability Analysis to 
Determine Length of Reinforced Soil block
Numericalsolutionsonblackboard Numerical solutions on black board
• Twowalls Two walls
• H=6m, horizontal soil fill
bkfll h ? l hl • H=6m, backfill with 10 ?slope to horizontal
Page 3


Reinforced Soil Retaining Walls
Design Examples esign xamples
ExternalStabilityAnalysisto External Stability Analysis to 
Determine Length of Reinforced Soil block
Numericalsolutionsonblackboard Numerical solutions on black board
• Twowalls Two walls
• H=6m, horizontal soil fill
bkfll h ? l hl • H=6m, backfill with 10 ?slope to horizontal
Soilproperties Soil properties
Wallwithhorizontalbackfill Wall with horizontal backfill
Reinforced soil fill:  ?
r
=35??
r
=20 kN/m
3
kfll l ? ? k /
3
Backfill soil:   ?
r
=30 ? ?
b
=18 kN/m
3
Foundation soil: q
na
= 200 kPa
Loads:  deadloadsurcharge = 15 kPa
Liveloadsurcharge=25kPa Live load surcharge   25 kPa
Horizontal load on flat slope wall = 15 kN/m
Page 4


Reinforced Soil Retaining Walls
Design Examples esign xamples
ExternalStabilityAnalysisto External Stability Analysis to 
Determine Length of Reinforced Soil block
Numericalsolutionsonblackboard Numerical solutions on black board
• Twowalls Two walls
• H=6m, horizontal soil fill
bkfll h ? l hl • H=6m, backfill with 10 ?slope to horizontal
Soilproperties Soil properties
Wallwithhorizontalbackfill Wall with horizontal backfill
Reinforced soil fill:  ?
r
=35??
r
=20 kN/m
3
kfll l ? ? k /
3
Backfill soil:   ?
r
=30 ? ?
b
=18 kN/m
3
Foundation soil: q
na
= 200 kPa
Loads:  deadloadsurcharge = 15 kPa
Liveloadsurcharge=25kPa Live load surcharge   25 kPa
Horizontal load on flat slope wall = 15 kN/m
• Results: L=6m forhorizontalfill Results:  L=6m for horizontal fill
• L=7.5 m for sloped backfill
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