High Voltage Transmission Line Considerations in Joint Corridor Use Biological Effects and Electrical Compatibility

Basic Aspects of Buckling of Cooling-Tower Shells
The equations of the linear buckling theory are given in tensor notation, and the method of their solution is explained for the case of shells of revolution under axisymmetric loading....

Transmission Line Dynamic/Static Structural Testing
A series of full-scale structural static and dynamic tests were erformed to characterize selected properties of a 1200-kV mechanical test line. Prior to the experiment tests, a finite-element...

Post-Buckling Analysis of Guyed Towers
The post-buckling behavior of short towers, supported by a single set of guy wires is investigated. Using the principle of stationary potential energy, a set of non-linear algebraic equations...

West Virginia Cooling Tower Collapse Caused by Premature Form Removal
The collapse of a reinforced concrete cooling tower under construction at Willow Island, W.Va. in April 1978 resulted in 51 fatalities, making it the worst construction accident in American...

Willow Island Aftermath: The Limits of OSHA
In April 1978 a natural-draft hyperbolic concrete cooling tower under construction at Willow Island, W.Va. collapsed. Fifty-one workers, suspended on a scaffold supported mainly by a layer...

Cognac: World's Tallest Offshore Oil Platform
Shell Oil's 1980 OCEA-winner is a three-sectioned design of steel fabrication and deep-sea installation. Cognac is currently the world's tallest, heaviest, and...

Flow Induced Vibration in Circulating Water System
Vibration and pressure surges in the early operation of the circulating water system of the 515 MW Muskogee Power Plant Unit No. 4 caused concern for the future structural integrity of...

Construction and Design of Large Cooling Towers
Large natural-draft cooling towers are required for dry-type cooling of power plants having high capacity. Through the choice of an appropriate offset distance between the axis of the...

Guyed Towers Under Arbitrary Loads
A new method for the static analysis of guyed towers has been developed. The tower and guy cables may be loaded by arbitrary distributed or concentrated forces, or both, and there are...

Wind Effects on Cooling-Tower Shells
The design of natural-draft cooling towers is dominated by wind action. With respect to the response of the structure the wind load may be divided into a static, a quasistatic, and a resonant...

Wind Loading and Response of Cooling Towers
The paper considers wind loadings on cooling towers from both a static and dynamic point of view. Field measurements of wind pressure on full-scale towers provide the main basis for study,...

Wind Loading on Cooling Towers
A wind-tunnel technique for the assessment of wind induced stresses in cooling tower shells has been developed. It includes simulation of the atmospheric wind and aeroelastic models of...

Hybrid Cooling System Thermodynamics and Economics
Wet cooling towers can be used as helper systems with once-through cooling at river-side power-plant sites where the permissible river heat assimilation capacity is inadequate to absorb...

Cooling Towers with Circumferential Imperfections
The effects of out-of-roundness errors, that cab be introduced durning the construction of cooling tower shells, on the linear stress distributions are examined. Using a simplified, statically...

Geotechnical Engineering for Guyed Tower Offshore Structures

Stability of Steel Cable-Stayed Bridges

Parametric Time Series: Cooling Tower Wind Pressures

Stability of Guyed Towers
Curves and equations are presented for obtaining the critical load of guyed towers. Towers with three or four cables and whose mast is either fixed or hinged at the base are considered....

Stressing of Transmission Tower Peak by Lighting
A lightning stroke on the peak of a transmission line tower causes a current to flow to the ground through the peak members if the overhead ground wire is not connected directly to the...

 

 

 

 

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