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Suspended Polycarbonate Shield to Defeat Terrorist Threats
The Navy Civil Engineering Laboratory is conducting research on a window concept that offers great potential for overcoming the disadvantages of blast resistant windows. The concept is...

Response Charts for Designing Against Nuclear Overpressures
The single-degree-of-freedom equation of motion for an elastic-plastic system with a nuclear airblast overpressure forcing function is nondimensionalized and solved. Solutions are presented...

Limiting Performance and Design by Reanalysis of Structures for Blast Resistance
Limiting performance is the absolute optimal response of a structure under a specified transient load. Reanalysis methods are computational techniques for analyzing locally modified large-scale...

Drop Test of Dolos Armor Units
Dolosse are concrete armor units used for the cover layer on many breakwaters and jetties. In order to study their complex loads and structural response, a prototype study at Crescent...

Wind-Induced Response of a Tall Building and Comparisons With Wind Tunnel Predictions
This paper describes the measured wind-induced response of a tall office tower and comparisons made with wind tunnel studies of the building. The use of an innovative structural system...

Time Domain Structural Parameters Identification
Identification techniques for linear lumped-parameters models of vibrating structures are critically assessed using data produced by numerical simulations. The structural model is excited...

Flexibly Connected Thin-Walled Steel Frame Response
The static response of flexibly connected plane frames composed of thin-walled steel members is presented. Analysis capabilities include post-local-buckling strength and elastic semi-rigid...

Multiple Bolt Row Moment End-Plates
This paper presents a portion of the results of a study to develop design procedures for the extended, multiple row, moment end-plate configuration. This configuration is used in steel...

On Steel Connection Data Bank at Purdue University
The aim of the establishment of the steel beam-to-column connection data bank program at Purdue University in 1986 was to provide the necessary data base for the determination of the moment-rotation...

Practical Analysis of Flexibly-Connected Building Frames
Modeling of flexible connection behavior as elastic-perfectly plastic is proposed for analysis of building frames, and results based on this idealization are compared with fully non-linear...

Comparison of the Third and Fourth Edition of the Guide: What is New and Different
The fourth edition of the 'Guide to Stability Design Criteria for Metal Structures' is a unique collection of ideas and information on stability problems. It...

Centrally Loaded Columns
The paper has given a detailed description of the chapter on centrally loaded columns that will appear in the 4th Edition of the Structural Stability Research Council 'Guide...

Frame Stability
The Chapter on Frame Stability of the Fourth Edition of the SSRC Guide provides guidance on use of several stability design procedures. These include Critical Load Concept, Second-Order...

Cumulative Damage of Structures
Structural response records may be analyzed to estimate relative motions of civil engineering structures. Several methods are available for the estimation of cumulative damage on the basis...

Reliability-oriented Design of Fatigue Experiments
It is well known in the reliability analysis for structural components subjected to cyclic random load that apart from the usually model parameters uncertainties are most important and...

Modeling Errors in Fatigue Crack Growth Laws
Using the fracture mechanics approach to fatigue it is possible to update estimates of a structure's reliability against fatigue failure given new information on the state...

Reliability Revision for Structures in Service
Models of structural reliability are called upon to provide not only initial estimates of safety, but also revised estimates reflecting new information on the structure as it becomes available....

Dynamic Fracture Toughness of Rail Steels
As new premium alloy rail steels exhibit increased wear resistance and as track lubrication is used, the failure mode for rails is shifting from wear to fatigue. Elastodynamic finite element...

A Fatigue Study of Prestressing Strand
Strand fatigue data reported in the literature and also from recent tests were combined to form a data base of strand fatigue data which was analyzed using regression analysis techniques....

Axial Fatigue Model for Wire Rope Strand
A numerical fatigue model for cables and rope strand subjected to fluctuating axial tension has been developed. This model determines the maximum wire nominal and Hertz contact stresses,...

 

 

 

 

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