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Strength Random Variables: Loading Random Variables:: Figure 7. Probabilistic Analysis Input Data

The document lists various random variables that are inputs for probabilistic analyses of dam strength and loading. It includes tensile strength, cohesion, friction coefficients, reservoir elevations, silt levels, debris, ice loads, and ground accelerations as strength random variables and loads such as reservoir increases, silt weight, and efficiency as loading random variables. It then shows Figure 7 labeling the probabilistic analysis input data and Figure 8 displaying sample probabilistic safety analyses results including the annual frequency of exceedance of reservoir elevation and the probability of failure for different reservoir levels.

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Enrique
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41 views1 page

Strength Random Variables: Loading Random Variables:: Figure 7. Probabilistic Analysis Input Data

The document lists various random variables that are inputs for probabilistic analyses of dam strength and loading. It includes tensile strength, cohesion, friction coefficients, reservoir elevations, silt levels, debris, ice loads, and ground accelerations as strength random variables and loads such as reservoir increases, silt weight, and efficiency as loading random variables. It then shows Figure 7 labeling the probabilistic analysis input data and Figure 8 displaying sample probabilistic safety analyses results including the annual frequency of exceedance of reservoir elevation and the probability of failure for different reservoir levels.

Uploaded by

Enrique
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Strength Random Variables: Loading Random Variables:

Tensile strength; Normal upstream reservoir elevation;


Peak cohesion; Flood upstream reservoir increase;
Residual cohesion; Silt elevation;
Peak friction coefficient; Silt volumetric weight;
Residual friction coefficient; Drain efficiency;
Floating debris;
Ice load;
Last applied force;
Horizontal peak ground acceleration.
Figure 7. Probabilistic analysis input data.

1x10-2 1

Probability of failure (sliding mode)


Annual frequency of exceedance

0.8

1x10-3
Annual frequency 0.6
of exceedence
of reservoir elevation

0.4
-4
1x10

Probability 0.2
of failure

1x10-5 0

30.6 30.8 31 31.2 31.4 31.6 31.8


Reservoir elevation (m)
Figure 8. Probabilistic safety analyses.

10

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