A gravity retaining wall shown in Figure 1 retains a sandy backfill with = 36°, 8 = 25 (between wall and fill) and y = 18 kN/m³. Furthermore, the ultimate bearing capacity of the foundation soils was found to be 600 kPa and concrete =24 kN/m³. a) b) Using Coulomb theory, determine ka and sketch the pressure distribution diagrams showing critical values. Determine if the proposed wall section is satisfactory with respect to the middle third rule, overturning, sliding and bearing capacity. 6 m 1.5m 1 m 1.5 m qs = 20 kPa 105° = 38° δ=φ
A gravity retaining wall shown in Figure 1 retains a sandy backfill with = 36°, 8 = 25 (between wall and fill) and y = 18 kN/m³. Furthermore, the ultimate bearing capacity of the foundation soils was found to be 600 kPa and concrete =24 kN/m³. a) b) Using Coulomb theory, determine ka and sketch the pressure distribution diagrams showing critical values. Determine if the proposed wall section is satisfactory with respect to the middle third rule, overturning, sliding and bearing capacity. 6 m 1.5m 1 m 1.5 m qs = 20 kPa 105° = 38° δ=φ
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Please solve under Geotechnology II and please show full calculations of Ka and Pa.
Transcribed Image Text:A gravity retaining wall shown in Figure 1 retains a sandy backfill with = 36°, 8 = 25 (between
wall and fill) and y = 18 kN/m³. Furthermore, the ultimate bearing capacity of the foundation soils
was found to be 600 kPa and concrete =24 kN/m³.
a)
b)
Using Coulomb theory, determine ka and sketch the pressure distribution diagrams
showing critical values.
Determine if the proposed wall section is satisfactory with respect to the middle third
rule, overturning, sliding and bearing capacity.
6 m
1.5m
1 m
1.5 m
qs
= 20 kPa
105°
= 38°
δ=φ
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