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Probabilistic Risk Analysis of TLP Tether Fracture
A stochastic model for fatigue crack growth and final fracture of TLP tethers is formulated. Model updating through in-service inspection is included. The integrity of the cracked tether...

A Methodology for Assessing the Reliability of TLP Tethers Under Maximum and Minimum Lifetime Loads
The Tension Leg Platform (TLP) is a large, floating offshore platform for producing oil and gas in deep water. The TLP is moored to the ocean floor by vertical tethers. Loads in the tethers...

Stochastic Evaluation of Landing Pier Construction
This paper discusses the process of determining the magnitude of external force such as wind and wave pressure exerted on marine structures under construction, and the learning curve of...

Autocorrelation Functions for Offshore Geotechnical Data
Autocorrelation functions are described. Data from several North Sea sites are analyzed with respect to the vertical and horizontal autocorrelation of a number of soil properties. Based...

Stochastic Behavior of Concrete Arch Dam-Reservoir Fluid-Foundation Systems in Nonstationary Random Vibration
The behavior of elastic arch dam reservoir fluid system subjected to ground acceleration excitations has been studied extensively by Chopra and his colleagues. In their studies, the excitations...

Stochastic Wave Models for Seismic Ground Motion
In order to describe the nature of ground motion arising from a propagating seismic wave, a stochastic wave model has been developed here and an efficient technique for digitally generating...

Seismic Ground Motions for Lifeline Analysis
The spatial variation of seismic ground motions necessary for lifeline analysis is determined from a stochastic source model combined with a substitute system representing the equivalent...

Stochastic Response of Ground and Its Implication for Spatial Variation of Earthquake Ground Motion
In order to account for the stochastic nature of free-field earthquake ground motions in the time and space domain, an engineering interpretation of frequency wave number representation...

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...

Lifeline Systems Reliability, Serviceability and Reconstruction
In this paper we present a brief outline of methods and results for characterizing the reliability and serviceability of oil pipeline systems. Further, we present an outline of methods...

Identification of a Site-Specific Ground Motion Model
The power spectral density and envelope function of earthquake ground accelerations at a site of interest are determined with the aid of system identification based on information predicted...

A Stochastic Clustering Model for the Occurrence of Large Earthquakes Along the Central Peruvian Margin
A stochastic model of a process of cluster centers and subsidiary cluster member processes is presented for the occurrence of large earthquakes along the Central Peruvian Margin. In the...

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...

Stochastic Seismic Response Sensitivity of Lifeline Systems
The seismic response sensitivity of lifeline systems is examining using a probabilistic analysis based on random vibration theory. This analysis includes: (1) modelling the earthquake...

Application of Physical Laws to Parameter Estimation for Probabilistic Models of Cumulative Damage
In this initial paper we will discuss the development of the application of physical laws to the modeling of cumulative damage and particular to crack growths. The basic assumptions due...

Structural Error Identification for Control of Construction Accuracy
In cases of large-scaled structures it is very important to keep the criteria of construction accuracy and therefore to correct construction errors if any considerable errors are found...

Application of Probabilistic Methods in Construction Industry
Recent attempts for theoretical development and engineering application of probabilistic methods, which have been carried out in a Japanese engineering and construction company, are summarized....

Spectral Distribution Free Bounds on the Response Variability of Stochastic Systems
A methodology to analytically and numerically evaluate the spectral distribution-free upper bounds of the response variability of stochastic systems is developed. The structural systems...

Stochastic Strain-Displacement Matrices for Finite Elements with Random Constitution
A prescribed correlated random field for elastic moduli furnishes an associated population of stochastic shape functions at the element level. The principle of deterministic tractions,...

Local Integration Method in Stochastic Finite Element Analysis
This paper, introducing local integration method, proposes a new stochastic finite element method for estimating the response variability of multi-dimensional stochastic systems. Young's...

 

 

 

 

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