A vertical retaining wall 3m supports a horizontal backfill on level with the top of the wall. The water table is located 2m below the top of the wall. The unit weight of the soil above the water table is 15.72 kN/m3, has an angle of internal friction of 30o and a cohesion equal to zero. The saturated unit weight of soil below the water table is 18.86 kN/m3, has an angle of internal friction of 26o and a cohesion of 10kN/m2. Determine the (1) passive force per unit length of wall using the Rankine Passive Force Theory, (2) locate the location of the passive force for the bottom of the wall, and (3) the moment at the bottom of the wall.
A vertical retaining wall 3m supports a horizontal backfill on level with the top of the wall. The water table is located 2m below the top of the wall. The unit weight of the soil above the water table is 15.72 kN/m3, has an angle of internal friction of 30o and a cohesion equal to zero. The saturated unit weight of soil below the water table is 18.86 kN/m3, has an angle of internal friction of 26o and a cohesion of 10kN/m2. Determine the (1) passive force per unit length of wall using the Rankine Passive Force Theory, (2) locate the location of the passive force for the bottom of the wall, and (3) the moment at the bottom of the wall.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A vertical retaining wall 3m supports a horizontal backfill on level with the top of the wall. The water table is located 2m below the top of the wall. The unit weight of the soil above the water table is 15.72 kN/m3, has an angle of internal friction of 30o and a cohesion equal to zero. The saturated unit weight of soil below the water table is 18.86 kN/m3, has an angle of internal friction of 26o and a cohesion of 10kN/m2. Determine the (1) passive force per unit
length of wall using the Rankine Passive Force Theory, (2) locate the location of the passive force for the bottom of the wall, and (3) the moment at the bottom of the wall.
Transcribed Image Text:2m
F.
1m
O
D%..
ys=15.72 kN/m³
Ø=30°
C=0
water table
Ysar 18.86 kN/m³
0=26°
C=10 kN/m²
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