Conceptual Analysis and Design and Experimental Construction of a Portable Emergency Relief Bridge

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Article Type:
Research/Original Article (بدون رتبه معتبر)
Abstract:
For a long time, our country has faced natural disasters. In recent years, it has imposed various levels of damages on the country, including those caused by wars (military maneuvers) and natural disasters (earthquakes such as Rudbar Manjil, Bam, and Azgeleh), and floods in cities and regions). Every year, severe floods, hurricanes, explosions, and terrorist attacks cause great suffering for millions worldwide. In a disaster, whether natural or humanitarian, it is vital to provide immediate help to those affected, but relief can often be severely interrupted, significantly if the infrastructure is damaged and the transport network is disrupted. Here, the bridge will be constructed from nonidentical prefabricated elements based on modularity. Construction of modules and final assembly is done off-site (in a factory). Because it can be deployed on-site, it transported the completed bridge in a compact form. SAP2000 software evaluated an emergency bridge's seismic design and performance using nonlinear static and dynamic analysis to save lives in the shortest amount of time, cost, construction, and installation, while also considering the structure's performance. Also, its portability is the goal of this structure. In this system, space structures were used to design the project, absorbing much energy outside their elastic range and was innovative. As a result, the ultimate bearing capacity of the space trusses will depend on the structure's geometry, the position of the supports, and the displacement load response of each member.
Language:
English
Published:
Journal of the Structural Engineering and Geotechnics, Volume:12 Issue: 2, Summer and Autumn 2022
Pages:
1 to 24
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