نتایج جستجو برای: structural engineering
تعداد نتایج: 644412 فیلتر نتایج به سال:
In the nineteenth century, civil and structural engineers received much public acclaim for their built works (e.g. Brooklyn Bridge, Eiffel Tower). One hundred years later, engineer was perceived by many as “out” or not requiring skill. This paper examines how this erroneous perception of engineering can change presenting heroes. Using parallels to monomythical hero, examples engineers, authors ...
Damage identification under real operating conditions of the structure during its daily use would be suitable and attractive to civil engineers due to the difficulty and problems of carrying out controlled forced excitation tests on this kind of structures. In this case, output-only response measurements would be available, and an output-only damage identification procedure should be implemente...
The Organization Readiness of Engineering Project Management Based on Virtual Teams has been analyzed in an Iranian Engineering firm. Adapting and analyzing the latest readiness model, experts’ opinions were received by questionnaires and main criteria of the readiness have been identified. The considered readiness criteria are: Infrastructure, Deliverables (Drawings, Reports, Minutes of Meeti...
this paper presents the application of three main artificial neural networks (anns) in damage detection of steel bridges. this method has the ability to indicate damage in structural elements due to a localized change of stiffness called damage zone. the changes in structural response is used to identify the states of structural damage. to circumvent the difficulty arising from the non-linear n...
tissue engineering is defined as the designing and engineering of structures to rebuild and repair a body damaged tissue. scaffolding poly hydroxy butyrate valraty (phbv) has shown good biocompatibility and biodegradable properties. nanofibers have improved the performance of biomaterials, and could be considered effective. one of the important methods for designing nanofiber scaffold is the el...
In the recent years, much attention has been paid to the research and development of structural control techniques with particular emphasis on alleviation of wind and seismic responses of buildings and bridges in China. Structural control in civil engineering has been developed from the concept into a workable technology and applied into practical engineering structures. The aim of this paper i...
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