Optimal Distribution of Tuned Mass Dampers in Wind-Sensitive Structures
Modern high-rise buildings are susceptible to excessive accelerations at the upper floors in wind storms due to flexibility and low damping. In order to keep acceleration levels below...
Wind Loads on Large Broadcasting Antennas: Records and Elaborations
Alternative estimations of the 50-year gust winds from the data available in typical Italian sites of broadcasting antennas are summarized and compared with the design winds suggested...
Towards Improved Loading Model for Design of Offshore Structures
The study presented in this paper uses geometries of different offshore platforms to quantify the effects of uncertainties in design calculations. The effect of wave directionality and...
Loading Uncertainties in Extreme Waves
Uncertainties associated with extreme base shear forces and extreme overturning moments are estimated for an idealized eight-legged jacket platform. The structure is assumed to respond...
Minimum Lifetime Cost Design of Coastal Structures?A Proposal of Design Method for Rubble Sloping Breakwaters
The authors propose herein a rational design method for coastal structures with consideration for their repairs. The special characteristics of the proposal are that a certain extent of...
The Concept of the New Waterway Storm Surge Barrier: Reliability as an Integral Part of a Nation's Sea Water Defense System
In the southwest of the Netherlands a storm surge barrier is to be built in the waterway that gives access to the port of Rotterdam. Strict design conditions ensure that only very slight...
Development of Seismic Hazards Data Base
A seismic hazards data base has been developed as a research tool for the engineering and seismology communities. The data base, which is still growing, currently contains information...
Graphic Demonstration of Seismic Hazards Data Base
A seismic hazards data base has been developed as a research tool for the engineering and seismology communities. The data base presently holds five categories of data, the largest of...
Near-Field Differential Ground Displacement
An analytical model for the development of differential ground motions in the vicinity of a vertical, strike-slip fault is presented. The model considers a uniform, kinematic source model,...
Automated Damage-Controlled Design of RC Buildings
This paper presents an automated damage-controlled design method, which aims for uniform damage distribution throughout the entire building frame while respecting the strong-column weak-beam...
Response Modification Factors for Buildings and Bridges
Response Modification Factors (RMF) are often used for the seismic design and the safety evaluation of buildings and bridges. The advantage of using RMF is to account for the nonlinear...
Seismic Response of Structures and Reliability Design
This paper develops a modified SRSS Method which allows a designer to select the reliability that he wishes to realize in each of the various elements of a given structure subjected to...
Wind Vs. Seismic Design
This paper is concerned with the reliability analysis of building structures subjected to multiple natural hazards (seismic and wind in this case) within the framework of contemporary...
Reliability-Based Design Codes
Reliability analysis for code-designed simple structures subjected to earthquake loading are being determined using both static and dynamic methods and strength-based and damage-related...
Iterative Subsystem Analysis for Seismic Monte Carlo Studies
Three iterative subsystem analysis techniques for Monte Carlo simulation of response time histories are examined. The three subsystems are designated primary, secondary, and interface,...
Reliability and Design Criteria for Secondary Systems
In seismic design and analysis of secondary systems housed in structures, the most widely used approximate method is the floor response spectra approach. In this paper, necessary modifications...
Response of Sliding Base-Isolated Structures
Experimental and anlaytical results on the behavior of sliding isolated structures are presented. A mathematical model of friction of Teflon bearings is developed, calibrated, and verified....
Critical Seismic Excitation for Structures
Critical seismic excitations are defined as stationary random functions with a given variance, which maximize the response variance of a linear structural dynamic system. A method is presented...
Identification of Seismic Waves for a Nonstationary Load Model from Strong Motion Records
Strong motion records of 5 moderate to strong earthquakes with different source mechanisms are investigated by Evolutionary Spectra Analysis. Only earthquakes with strong motion stations...
Seismic Risk Analysis Based on Spectral Characteristics of Ground Motions
This paper presents two different approaches to construct the seismic response spectrum from a probabilistic point of view. One is the uniform hazard response spectrum, the other is the...
Return to search