13.20 The slope shown in Figure 13.53 has recently failed. A geotechnical investigation indicates the failure surface was as shown. Assuming the failure occurred while undrained conditions prevailed in the slope, back-calculate the value of su. Use the Swedish slip circle method with the cross-section that existed immediately before it failed. Use y = 119 lb/ft³.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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13.20 The slope shown in Figure 13.53 has recently failed. A geotechnical investigation indicates
the failure surface was as shown. Assuming the failure occurred while undrained conditions
prevailed in the slope, back-calculate the value of su. Use the Swedish slip circle method
with the cross-section that existed immediately before it failed. Use y = 119 lb/ft³.
Transcribed Image Text:13.20 The slope shown in Figure 13.53 has recently failed. A geotechnical investigation indicates the failure surface was as shown. Assuming the failure occurred while undrained conditions prevailed in the slope, back-calculate the value of su. Use the Swedish slip circle method with the cross-section that existed immediately before it failed. Use y = 119 lb/ft³.
16 ft
40 ft
FIGURE 13.53
25 ft-
Center
3/4
R = 56 ft
Pre-slide ground surface
Cross-section for Problem 13.20.
Transcribed Image Text:16 ft 40 ft FIGURE 13.53 25 ft- Center 3/4 R = 56 ft Pre-slide ground surface Cross-section for Problem 13.20.
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