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Pile Test for Earthquake Repair
Load testing for existing concrete piles was specified as part of a seismic retrofit at the Port of Oakland after the Loma Prieta event. The Port wished to use heavier cranes at cargo...

Anchors in the Desert
The Southwest desert isn't usually thought of as a hotbed of seismic activity, but earthquakes have occurred there. And if Arizona's Stewart Mountain Dam, a double-curvature...

Time Dependent Stochastic Characteristics of the Lateral Random Vibration of Tall Structures with Circular Cross-Section
From full scale measurement of the pressure field at three levels of a concrete chimney with 230 m height the lift coefficient is deduced and the lateral oscillation is investigated. The...

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...

Safety Assessment of an Existing Concrete Gravity Dam
The safety and/or probability of failure of an existing 146 m high concrete gravity dam subjected to normal static and dynamic loads is evaluated. Three modes of failure were considered,...

Global Damage Indices and Nonlinear Structural Response
Damage indices based on equivalent linear parameters have been proposed for the analysis of global seismic damage. The analysis of shaking table experiments and strong motion records has...

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...

Simulation of Seismic Damage of RC Structures in Eastern US
A normalized index for evaluation of structural damage was developed based on the relation of demand and capacity. The proposed formulation combines two sources of damage: permanent deformation...

Aseismic Reliability of a Strengthened R.C. Single Story Industrial Building
Based on results of seismic hazard analysis for a considered site, seismic reliability of a strengthened RC single-story industrial building against collapse has been evaluated. Inelastic...

Durability Analysis of Reinforced Concrete Structures
This paper attempts to provide a fundamental basis for estimating the remaining life of reinforced concrete structure. In the damage assessment of reinforced concrete structure, some quantity...

Damage Evolution in Reinforced Concrete Members Under Cyclic Loading
The paper presents a new damage indicator D, valid for reinforced concrete sections under cyclic loading. D_Q, based on sectionally absorbed energies,...

On the Failure Probabilities of R/C Chimneys
A procedure to estimate failure probabilities of structural systems such as reinforced concrete (R/C) chimneys under severe wind loading which allows for considering realistic correlation...

Reliability Analysis of Continuous Beam and Frame Structural Systems
In this paper, by adopting the cross sections where plastic hinges form as the analysed units, the problem of structure system reliability of continuous beam and simple frame is discussed....

Nonlinear Dynamic Response of Industrial R/C Chimneys
Gust response factors (GRF) based on nonlinear dynamic analysis including the P? effect are calculated. All sample structures analyzed show clearly that, for wind speeds exceeding the...

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...

Seismic Reliability of Non-Linear Structures with Stochastic Parameters by Directional Simulation
The application of improved Monte Carlo method by Directional Simulation and Importance Sampling is presented with reference to the assessment of seismic fragility of reinforced concrete...

Random Vibrations of Discrete and Continuous Inelastic Structures
Nonstationary random vibrations of elasto-plastic cantilever beams excited by earthquakes are studied, where a finite spread of inelastic zones is taken into account. Following a complete...

Fatigue Reliability of Prestressed Concrete Bridges
Experimental studies indicate that fatigue is a random phenomenon. Therefore, the approach is based on probabilistic methods. The fatigue life of the prestressed concrete girder is estimated...

Safety Levels of Reinforced Concrete Box Culverts for Installing Power Supply Cables
The authors have examined the applicability of reliability-based design to the existing reinforced concrete box culverts for installing power supply cables. The lowest safety index of...

Reliability Study of Ferrocement Slabs Under Cyclic Loading
A simple probabilistic approach to fatigue strength studies for ferrocement slabs is presented: A preliminary experimental program to obtain the relevant statistics was conducted and the...

 

 

 

 

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