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Internal Seismic Forces on Submerged Oil Tanks
Publisher: American Society of Civil Engineers
Abstract: Internal hydrodynamic forces on submerged tanks due to arbitrary seismic excitations are evaluated. The transfer function of the lateral force is evaluated using Laplace transform. A mechanical analog duplicating such ...
Parametric Study of Seismic Soil‐Tank Interaction. I: Horizontal Excitation
Publisher: American Society of Civil Engineers
Abstract: Dynamic soil‐tank interaction under horizontal seismic excitations has a profound effect on the amplification of hydrodynamic forces and moments exerted on tank structure. Analytical mechanical models for flexible cylindrical ...
Parametric Study of Seismic Soil‐Tank Interaction. II: Vertical Excitation
Publisher: American Society of Civil Engineers
Abstract: Analysis of the behavior of ground‐based tanks under vertical seismic excitations is quite relevant to their seismic‐resistant design as vertical acceleration is transmitted to a horizontal hydrodynamic loading on the tank ...
Fiber-Reinforced Plastic Jackets for Ductility Enhancement of Reinforced Concrete Bridge Columns with Poor Lap-Splice Detailing
Publisher: American Society of Civil Engineers
Abstract: This paper presents an inclusive testing program conducted on scaled models of reinforced concrete (RC) bridge columns with insufficient lap-splice length. Thirteen half-scale circular and square column samples were tested ...
Behavior of Cyclically Loaded Squat Reinforced Concrete Bridge Columns Upgraded with Advanced Composite-Material Jackets
Publisher: American Society of Civil Engineers
Abstract: This paper summarizes comprehensive experimental studies on scaled models of squat bridge columns repaired and retrofitted with advanced composite-material jackets. In the experimental program, a total of 14 half-scale ...
axisymmetrical vibrations of Tanks—Numerical
Publisher: American Society of Civil Engineers
Abstract: With few exceptions, current seismic design codes for ground‐based cylindrical tanks neglect the effect of vertical ground acceleration. Such motion can be transmitted, in a flexible tank, into radial pulsations of the ...
Axisymmetrical Vibrations, of Tanks—Analytical
Publisher: American Society of Civil Engineers
Abstract: An analytical method for the computation of the axisymmetrical dynamic characteristics of partly‐filled cylindrical tanks is presented. The liquid is assumed to be inviscid and incompressible. The tank shell is assumed to ...
Model for Flexible Tanks Undergoing Rocking
Publisher: American Society of Civil Engineers
Abstract: An analytical mechanical model for flexible cylindrical tanks is developed taking into consideration the effect of rigid base rocking motion and lateral translation. Explicit analytical expressions for the parameters of ...