Application of Dynamic System Identification to Timber Bridges
نویسندگان
چکیده
منابع مشابه
An Analytical Approach for Dynamic Response of Timber Railroad Bridges
In the 1970's it was reported that there were approximately 2300 track miles of timber railroad bridges in the United States and Canada. For short spans, they offer an attractive alternative to other types of bridges as they are economical, faster to construct and easy to maintain. Current design practices do not allow an independent consideration of the effects of the dynamic loads in sizing o...
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The present paper provides some ideas about how decisions concerning maintenance of timber bridges should be made in a rational way. First, a brief discussion is provided concerning the evolution of maintenance strategies in general and it is suggested that maintenance of timber bridges should follow a risk-based approach. Then the discussion moves on to the condition assessment of timber bridg...
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Wood has been successfully used as a bridge material for thousands of years, but before the early 1900’s most structures were built of untreated timber. Protection from decay and deterioration was afforded by using the heartwood of naturally durable species or by covering the structure to protect it from weathering. Although many bridges constructed of un treated timber performed well (some la...
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The researchers express their gratitude to the Association of American Railroads, Dr. Duane Otter, principal engineer at its Transportation Technology Center, Inc., and Mr. Bill Riehl, director of structures for Rail America for extensive assistance in seeking interested railroad owners with potential sites for field investigation of the shear spiking technique. Mr. Tomasz Gawronski, director o...
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The paper presents the application results concerning the fault detection of a dynamic process using linear system identification and model–based residual generation techniques. The first step of the considered approach consists of identifying different families of linear models for the monitored system in order to describe the dynamic behaviour of the considered process. The second step of the...
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ژورنال
عنوان ژورنال: Journal of Structural Engineering
سال: 2003
ISSN: 0733-9445,1943-541X
DOI: 10.1061/(asce)0733-9445(2003)129:1(116)