Evaluation of Non-Ductile Drilled-in Expansion Bolts
This paper provides background and justification for the design of closely spaced non-ductile drilled-in expansion bolts (bolts). It describes testing used to establish allowable design...

A Strength Criterion for Grade AGOT Graphite

West Coast High-Rise Condo Opts for Ductile Concrete Frame
In the past, the vast majority of high-rise buildings constructed in earthquake prone areas of the West Coast have employed a steel frame. However, recent advances have made it feasible...

Possible `Ductility' in a Material with Planar Discontinuities

Brittle or Ductile?

Ductility of Spirally-Confined Concrete Columns
Five large circular reinforced concrete columns confined by spiral reinforcement in accordance with the provisions of the draft of the New Zealand Concrete Design Code were tested under...

Seismic Response of Reinforced Concrete Frames
Analytical studies of the elastic and inelastic response of reinforced concrete frames subjected to earthquake motion are presented. The effect of stiffness degradation on the seismic...

An Evaluation of Inelastic Seismic Design Spectra
After reviewing general methods available for determining seismic design forces for structures which can tolerate limited amounts of inelastic deformations, the reliability of two representative...

Strength and Ductility of Tied Concrete Columns
Short 12-in. (305 mm) square concrete columns with rectangular ties as confinement steel are tested under monotonic axial compression to failure. Land-deformation curves are presented....

Strong and Tough Concrete Columns for Seismic Forces
Design procedures for reinforced concrete columns subjected to seismic forces are presented. Four types of column configurations are considered. The four types are: (1)The ductile moment...

Space Truss Studies with Force Limiting Devices
Experimental test results are presented of the use of force limiting devices (FLD) on the compressive chords of two-layer space trusses. Two subassemblages and one full-scale truss were...

Seismic Design Criteria for Underground Pipelines
The current design practice for water/sewer lifelines does not take seismic loads into account. Note that the design of buried pipelines for seismic excitation is not necessarily governed...

Automated Design of Multistory Frame Structures

Partially Steel-Fiber Reinforced Mortar
Flexural members that are reinforced by steel fibers for only a portion of their depth, referred to as being partially reinforced, can have strengths and ductilities equal to those of...

Composite Beams under Cyclic Loading
Test specimens consisting of a steel column stub and composite steel-concrete beam are tested under cyclic loading. The results show that composite beams subjected to cyclic loading exhibit...

Impactive Effects of Tornado Missiles and Aircraft
Impacts by tornado-generated missiles and aircraft lead to both local and overall effects on barriers. The overall effects are evaluated in terms of the flexural and shear behavior of...

Equivalent Linear SDF Response to Earthquakes
The objective of this paper is to examine the accuracy of an equivalent linearization method for prediction of maximum response of a single degree-of-freedom bilinear hysteretic oscillator...

Reserve Margins of Structures for Impulsive Loads

Finite Element Models for Investigating R.C. Structures

Use of Inelastic Spectra in Aseismic Design
Modal analysis with inelastic response spectra is often used to design multistory frames subjected to earthquake motions. To evaluate the effectiveness of this approach, three different...

 

 

 

 

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