The total active thrust on a vertical wall 3 m highretaining a horizontal sand backfill (unit weightYt = 20 kN/m³, angle of shearing resistanceo'= 30°) when the water table is at the bottom ofthe wall, will be

To find the total active thrust on the vertical wall

The total active thrust on a vertical wall 3 m high retaining a horizontal sand backfill (unit weight Y₁ = 20 kN/m³, angle of shearing resistance o'= 30°) when the water table is at the bottom of the wall, will be

The total active thrust on a vertical wall 3 m high retaining a horizontal sand backfill (unit weight Y₁ = 20 kN/m³, angle of shearing resistance o'= 30°) when the water table is at the bottom of the wall, will be

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter16: Lateral Earth Pressure

Section: Chapter Questions

Problem 16.13P

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Question

The total active thrust on a vertical wall 3 m high
retaining a horizontal sand backfill (unit weight
Yt = 20 kN/m³, angle of shearing resistance
o'= 30°) when the water table is at the bottom of
the wall, will be

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The backfill behind a retaining wall, located above the water table, consists of a sand of unit weight 17 kN/m3. The height of the wall is 6 m and the surface of the backfill is horizontal. Determine the total active thrust on the wall according to Rankine’s theory if f’ = 37o. If the wall is prevented from yielding, what is the approximate value of the thrust on the wall?
A wall of 8 m height retains sand having a density of 1.936 Mg/m3and angle of internal friction of 34°. If the surface of the backfill slopesupwards at 15° to the horizontal, find the active thrust per unit length ofthe wall. Use Rankine’s conditions.
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A wall 6m high retains sand having a dry density of 15.40 KN/m3. Angle of internal friction of 32' and void ratio of 0.68. Use rankine theory. a. Determine the active thrust in kN per unit length of wall if there's ground water table located 2.5m below the ground. b. Determine the location of resultant thrust from the ground surface considering the ground water table located 2.5m below the ground.
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a) Calculate the total active thrust on a vertical wall 5m high retaining a sand ofunit weight 17 kN/m3 for which O'= 35o; the surface of the sand ið horizontaland the water table is below the bottom of the wall b)Determine the thrust on the wall if the water table rises to a level 2m belowthe surface of the sand. The saturated unit weight of the sand is 20 kN/m3.