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Tag Archives: Retaining Wall

Retaining wall problem example 5

A rigid retaining wall 19.69 ft high has a saturated backfill of soft clay soil. The properties of the clay soil are ysat = 111.76 lb/ft3, and unit cohesion cu = 376 lb/ft2. Determine (a) the expected depth of the tensile crack in the soil (b) the active earth pressure before the occurrence of the  Full Article…

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Retaining wall problem example 4

Find the resultant thrust on the wall in prob. Ex. 3 if the drains are blocked and water builds up behind the wall until the water table reaches a height of 2.75 m above the bottom of the wall. Solution For details refer to Fig. 11.15. Per this figure,  

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Retaining wall problem example 3

A retaining wall has a vertical back and is 7.32 m high. The soil is sandy loam of unit weight 17.3 kN/m3. It has a cohesion of 12 kN/m2 and 0 = 20°. Neglecting wall friction, determine the active thrust on the wall. The upper surface of the fill is horizontal. Solution (Refer to Fig. 11.14) When the  Full Article…

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Retaining wall problem example 2

A wall of 8 m height retains sand having a density of 1.936 Mg/m3 and an angle of internal friction of 34°. If the surface of the backfill slopes upwards at 15° to the horizontal, find the active thrust per unit length of the wall. Use Rankine’s conditions. Solution There can be two solutions: analytical and graphical.  Full Article…

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Rigid retaining wall problem example

A rigid retaining wall 5 m high supports a backfill of cohesionless soil with 0= 30°. The water table is below the base of the wall. The backfill is dry and has a unit weight of 18 kN/m3. Determine Rankine’s passive earth pressure per meter length of the wall (Fig. Ex. 11.5). Solution

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Vertical back Retaining wall problem example

A retaining wall with a vertical back of height 7.32 m supports a cohesionless soil of unit weight 17.3 kN/m3 and an angle of shearing resistance 0 = 30°. The surface of the soil is horizontal. Determine the magnitude and direction of the active thrust per meter of wall using Rankine theory. Solution For the condition given here,  Full Article…

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