Analysis of Unstiffened and Stiffened Tubular Members Under External Pressure and Structural Loads
This paper summarizes some important results concerning the ultimate capacity of stiffened and unstiffened tubes under combined loading. Such tubes are candidates for use in offshore structures...

A Generalized Approach to the Local Stability of Stiffened Plates: Part I–Mathematical Formulation
The paper describes a generalized approach for the determination of the buckling stress of stiffened plates under combination of uniform biaxial compression, in-plane bending and shear...

A Generalized Approach to the Local Stability of Stiffened Plates: Part II–Approximate Solution
The paper presents an approximate solution for the prediction of the buckling stress of stiffened plates under combined loadings. A closed form expression is presented for the buckling...

Non-Linear Solution Methods for Shell and Spatial Structures
Non-linear solution methods are investigated for the analysis of shell and spatial structures based on limited memory quasi-Newton updates. Under the proposed implementation the preconditioned...

Active Control of Axial Forces in Beam String Space Frames
The present work discusses a formulation for active control of axial forces of strings in beam string structures to dynamically and/or statically reduce the responses, and proves both...

Structural Shape Analysis under the Prescribed Displacement Mode

Stability Analysis of Stiffened Plates and Shells
A stability analysis of stiffened plates and shells by using degenerated finite elements is presented. The studies are based on a thin shell theory, large deflections, but on an elastic...

General Structure Representation for Neural Networks
Current applications of neural networks for structural analysis are limited to specific structures. In order to expand the use of neural networks to general structural types, the input...

Distributed Flexibility Models for Nonlinear Analysis of RC Structures
The application of distributed flexibility member models in inelastic analysis of reinforced concrete (RC) structural systems is examined. While the utilization of flexibility-based formulations...

Structure Modelization Using Expert Elements `Neural Stiffness Method'

Nonlinear Analysis and Experimental Validation of a Stiffening Truss Chord of the Golden Gate Bridge
Finite element analyses of a stiffening truss chord of the Golden Gate Bridge were conducted by the authors as part of a comprehensive seismic retrofit project conducted by T. Y. Lin International...

Practical Solution of the Flexibility to Stiffness Transformation Problem With a Mathematical Assistant for the Personal Computer
This paper will show how a relatively complicated structural mechanics problem can be solved easily with a symbolic manipulation program. Specifically, the authors will demonstrate how...

Stiffness of Low Rise Reinforced Concrete Shear Walls
This report, Stiffness of Low Rise Reinforced Concrete Shear Walls, was prepared by the Working Group on the Stiffness of Concrete Shear Wall...

Reliability Analysis of Stiffened Panels
This paper presents a methodology to assess the reliability against collapse of structural members, as typified by the buckling collapse of stiffened deck panels in ship structures. This...

Shear Effects on the Static Behaviour of Stiffened Pierced Walls

Response of Knee-Brace-Frame Under Seismic Loading
Recently a new framing system called the Knee-Brace-Frame (KBF) has been proposed for seismic resisting structures to overcome the deficiencies of moment resisting frame and concentrically...

Modeling Bridge Abutment Stiffness for the Meloland Road Overcrossing
A simplified equivalent spring model representing the dynamic stiffness of a highway bridge abutment system is developed for use in seismic response studies. It is based on linear elastic...

Dynamic Soil-Foundation Interaction at the Meloland Road Overcrossing
Forced vibration tests, using a hydraulic ram device, were conducted on the Meloland Road Overcrossing (MRO) bridge over Interstate 8 near El Centro, California. Dynamic response data...

Structural Response Using Stiffness Decoupler
The structural properties of a new stiffness decoupler developed by Hu, Kirmser and Swartz at Kansas State University, and its applications as an energy absorber and a device to isolate...

Response of Concrete Filled Grid Decks Under Static Loads
This paper briefly discusses the bending strength and stiffness of concrete filled grid decks that are subjected to static loads. The influence of design parameters (traffic flow direction,...

 

 

 

 

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