A retaining wall with vertical back is 8 m. high. The density of top 3 m. of fill is 1.75 Mg/m³ and the angle of internal friction is 30°. For the lower 5 m. the values are 1.85 Mg/m³ and 35° respectively. There is a surcharge load on the horizontal surface of the fill equivalent to 1.2 Mg/m² uniformly distributed. Solve for the following questions below: 1. Find the magnitude of the thrust on the wall per linear meter if the fill is well drained. 2. Find the magnitude of the thrust on the wall per linear meter if the fill is waterlogged after a storm (Assume the saturated quantities of the two strata are 1.9 and 2.0 Mg/m³ respectively.) 3. Find the point of application of 5 points the thrust on the wall if the fill is waterlogged after a storm.
A retaining wall with vertical back is 8 m. high. The density of top 3 m. of fill is 1.75 Mg/m³ and the angle of internal friction is 30°. For the lower 5 m. the values are 1.85 Mg/m³ and 35° respectively. There is a surcharge load on the horizontal surface of the fill equivalent to 1.2 Mg/m² uniformly distributed. Solve for the following questions below:
1. Find the magnitude of the thrust on the wall per linear meter if the fill is well drained.
2. Find the magnitude of the thrust on the wall per linear meter if the fill is waterlogged after a storm (Assume the saturated quantities of the two strata are 1.9 and 2.0 Mg/m³ respectively.)
3. Find the point of application of 5 points the thrust on the wall if the fill is waterlogged after a storm.
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