Design of Frames Using Notional Horizontal Force
The cantilever columns and portal frames are studied by using the notional horizontal force design concept. This concept intends to eliminate K-factor in the frame design. It was found...

Design Implications of Advanced Analysis in LRFD
This paper discusses two advanced analysis methods, and their use in LRFD format. The first approach is called the notional load plastic hinge method and the second is called the second-order...

Towards Robust, Effective and Efficient Second Order Analysis of Practical Steel Frames
The performance of the widely used finite element and the stability function methods and the recently developed pointwise equilibrating element in second order nonlinear analysis of framed...

A Nonlinear-Analysis-Based Procedure for Evaluating Load-Carrying Capacity of In-Plane Steel Frames
A simple method based on geometrically nonlinear analysis is proposed to evaluate the load-carrying capacity of a steel structure. The effects of material nonlinearity and residual stress...

Behavior of Tall Frame Combining Rigid and Semi-Rigid Connections
In this paper, the applicability of the mixed use of rigid and semi-rigid connections in the tall frame is discussed. It is tried. for 4-bay 8-storey frame to be numerically analyzed for...

Aesthetic Considerations in the Design of a Stack Extension
The Connecticut D.E.P. mandated increase in height of the boiler stack at Backus Hospital in Norwich, CT presented many problems. Adding a new 45 foot vertical section atop the old brick...

Implementation of Passive Energy Dissipation Systems in the United States
Significant advances in the field of passive energy dissipation for improved structural seismic resistance have been made in recent years. Developments in research and analysis techniques...

Utilizing Visco-Elastic Dampers in the Seismic Retrofit of a Thirteen Story Steel Framed Building
A 13 story steel framed building in Santa Clara Country, California exhibited strong beating effects (torsional coupling) and prolonged building response as result of various seismic events....

Hi-Tech Seismic Rehabilitation of `Casino De Montreal'
The existing eight-story steel structure, built during 1966, lacked in lateral earthquake resistance and ductility requirements of the current building code. Introduction of friction-dampers...

Acoustic Emission Monitoring of Steel Bridges
Global nondestructive monitoring techniques are of great significance for rapid monitoring of bridges. One promising technique involves monitoring the microseismic events (Acoustic Emissions,...

Acoustic Emission Monitoring of Fatigue Crack Growth in HSLA-80 Steel Box Beams
An acoustic emission is a transient elastic wave generated by the rapid release of energy from a localized source within a material. There can be many sources of acoustic emission in a...

Where do the Arrows Come From? Evaluating Structural Loads
Two elements of an undergraduate's structural education that are not treated well in most textbooks are (1) the development of correct loads and (2) load modelling-that is, how the load...

Experiences with an Undergraduate Structural Engineering Laboratory
An Undergraduate Structural Engineering Laboratory was recently implemented at Lehigh University with funds obtained from the National Science Foundation through its instrumentation and...

Long-Term Monitoring of Civil Structures using Smart Structures Techniques
A smart monitoring program for a hybrid concrete-steel building in Washington, D.C. has been developed. The building is currently being instrumented with a variety of strain and corrosion...

Cyclic Performance of Riveted Connections
As part of a larger experimental project on seismic performance of older steel frames, seven concrete-encased and unencased connections were tested. The specimens consisted of both riveted...

Seismic Behavior of Non-Ductile Concrete Frame Structures
Non-ductile reinforced concrete (RC) frame structures designed and constructed during the 1950's through 1970's exist in many regions of the United States. The frames of these structures...

Seismic Retrofit of R/C Columns with Inadequate Lap Splices
This paper presents experimental results on the use of rectangular steel jackets to improve the seismic performance of rectangular steel jackets to improve the seismic performance of rectangular...

Compressive Strength of Large Scale HSLA-80 Steel Cellular Sections of a Double Hull Ship Structure
An analytical and experimental large scale test program was conducted to investigate the instability failure modes of cellular double hull box sections. The main emphasis of the study...

Review of Cold-Formed Steel Purlin Design
The use of cold-formed steel members as roof purlins for single story industrial and commercial buildings is commonly recognized. These members typically have either a C- or Z-shaped cross...

Column and Beam-Column Design - A World View
This paper is concerned with the design of columns and beam-columns in steel building frames. Design provisions found in some selected codes viz. AS DR87164 87(Australia), BS5950 Part...

 

 

 

 

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