Deterministic Seismic Hazard Analysis
Deterministic
CEE 431/ESS465
Deterministic Seismic Hazard Analysis
Deterministic
Earliest approach taken to seismic hazard analysis
Originated in nuclear power industry applications
Still used for some significant
Basic Concepts of Probability
Basic
CEE 431/ESS465
Basic Concepts of Probability
Basic
Sample spaces and events
Venn diagram
Event, A
A
Sample space,
Basic Concepts of Probability
Basic
Sample spaces and events
Intersection of sets
B
U
A
B
A
Sample space
Probabilistic Seismic Hazard Analysis
Probabilistic
Overview
History
1969 - Allin Cornell BSSA paper
Rapid development since that time
Probabilistic Seismic Hazard Analysis
Probabilistic
Overview
Deterministic (DSHA)
Assumes a single scenario
Select a sin
SeismicSiteResponseAnalysis
Local Site Effects
Local
CEE531/ESS465
Local Site Effects
Local
Ground surface motions are affected by local site conditions
Site effects can influence:
Amplitude - may amplify or de-amplify motion
Frequency content - may shi
Introduction to Structural Dynamics:
Introduction
Single-Degree-of-Freedom (SDOF) Systems
StructuralEngineers
ViewoftheWorld
GeotechnicalEngineers
GeotechnicalEngineers
ViewoftheWorld
Basic Concepts
Basic
Degrees of Freedom
Newtons Law
Equation of Motion
CEE 431
Problem Set 1
(Due: 10:30 AM, Wednesday, Jan. 18, in class)
Winter 2006
Textbook Reading: Chapters 1 and 2, Sections A.1-A.2 and B.1-B.7 Problem 1. Problem 2. Solve Problem 2.5 in textbook Solve Problem 2.7 in textbook
Problem 3. Consider
CEE 431
Problem Set 2
(Due: 10:30 AM, Wednesday, Jan. 25, in class)
Winter 2006
Textbook Reading: Sections A.1-A.2 and B.1-B.7 Problem 1. Consider the one-dimensional system shown below. The mass, m = 10 lbsec2/ft, and the spring stiffnesses are k
CEE 431
Problem Set 3
(Due: 10:30 AM, Wednesday, Feb. 1, in class)
Winter 2006
Consider the one-dimensional system shown below. The mass, m = 10 lb-sec2/ft, and the spring stiffnesses are k1 = 4500 lb/ft and k2 = 9000 lb/ft. The motion of the mass
CEE 431
Problem Set 4
(Due: 10:30 AM, Wednesday, Feb. 8, in class)
Winter 2006
In this problem set, you will be considering two horizontal (East-West) ground motions that were measured during the Loma Prieta earthquake of October 19th, 1989. The e
CEE 431
Problem Set 5
(Due: 5:00 PM, Wednesday, Feb. 15, in class)
Winter 2006
Problem 1. Solve textbook Problem 4.1, assuming a strike-slip fault. Problem 2. Solve textbook Problem 4.2(a) and (b). Use the Boore et al. (1993) relationships (Eq. 3.
CEE 431
Problem Set 6
(Due: Wednesday, March 1, 5:00 pm)
Winter 2006
Consider the 200-km long, strike-slip fault shown below. The distance from the site to the nearest point on the fault is 30 km. 200 km
30 km In solving this problem, make the fo
CEE 431/ESS 465
Introduction to Earthquake Structural Engineering
Design Ground Motions Most (but not all) earthquakes occur near the boundaries of tectonic plates, which are constantly in motion. Seismicity in the Northwest is dominated by the subd