Dual Hazard Blast And Seismic Behavior Of Concrete Filled Double Skin Steel Tubes Bridge Pier
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Experimental Investigation of Blast Performance of Seismically Resistant Concrete-filled Steel Tube Bridge Piers
Author | : Shuichi Fujikura |
Publisher | : |
Total Pages | : 220 |
Release | : 2007 |
Genre | : Blast effect |
ISBN | : |
Blast and Seismic Resistant Concrete-filled Double Skin Tubes and Modified Steel Jacketed Bridge Columns
Author | : Pierre P. Fouche |
Publisher | : |
Total Pages | : 483 |
Release | : 2014 |
Genre | : |
ISBN | : |
A proposed paradigm in engineering of bridges prone to the effects of multiple hazards calls for designing and detailing new bridges, as well as retrofitting existing bridges, so that an integrated structural concept provides protection against all credible hazards. This multi-hazard approach is believed to lead to structural systems that are optimal and offer a more uniform level of safety against various credible relevant hazard scenarios. Toward this objective, research was conducted to develop and experimentally validate two proposed structural concepts capable of achieving the objective of multiple hazard protection for highway bridges, namely Concrete Filled Double Skin Tube (CFDST) and Modified Steel Jacketed Columns (MSJC). CFDST is proposed as seismic and blast resistant column for new bridge multi-column bent. MSJC, on the other hand, is a "retrofit-of-the-retrofit" concept which adds blast protection to the capability of Steel Jacketed Column (SJC) already known to provide seismic resistance. Performance of CFDST is investigated both under cyclic pushover and blast tests whereas MSJC is tested under blast loading only using ℗ơ scale column prototypes. The energy dissipation of CFDST under cyclic loading was found to be excellent. Under credible blast scenario, CFDST deform in bending without significant loss in capacity to carry load. For near-contact explosion, another energy dissipation mechanism is engaged in the form of cross-section deformation. In both credible and near contact blast explosion, MSCJ is found to be able to develop large flexural deformations which are not achievable with non-modified SJC that are usually prone to direct shear failure. Equations are also presented to help designer predict the behavior of CFDST under blast and earthquake loads.^Comparison to the experimental data generated in this research as well to data available in the literature shows that those analytical results are accurate, and in some instances conservative.
Proceedings of the 5th International Conference on Sustainable Civil Engineering Structures and Construction Materials
Author | : Sheila Belayutham |
Publisher | : Springer Nature |
Total Pages | : 1515 |
Release | : 2022-04-06 |
Genre | : Technology & Engineering |
ISBN | : 981167924X |
This book compiles papers presented during the 5th International Conference on Sustainable Civil Engineering Structures and Construction Materials (SCESCM) held virtually in December 2020. This is the fifth edition of this conference series; the theme for the 5th SCESCM is “Transforming the World, Foster the Sustainable Development Goals (SDGs),” and it focuses on various issues, novel findings, as well as developments in the area of civil and infrastructure, conforming to the SDGs. This book caters to postgraduate students, researchers, and practitioners involved in advocating and embedding sustainability in various phases of design, construction and maintenance of civil engineering structures and infrastructure facilities.
Experimental and Analytical Investigation of Blast Performance of Seismically Resistant Bridge Piers
Author | : Shūichi Fujikura |
Publisher | : |
Total Pages | : 350 |
Release | : 2008 |
Genre | : Blast effect |
ISBN | : |
Prefabricated Bridge Elements and Systems to Limit Traffic Disruption During Construction
Author | : Mohsen Shahawy |
Publisher | : Transportation Research Board |
Total Pages | : 58 |
Release | : 2003 |
Genre | : Bridges |
ISBN | : 0309069726 |
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis Report 324: Prefabricated Bridge Elements and Systems to Limit Traffic Disruption During Construction assesses and documents the use of innovative prefabricated elements and systems and assesses its effects on on-site construction time and cost, closure time, and environmental impacts. The synthesis report also looks at the use of fiber-reinforced polymers and other advanced materials and new technologies that are gaining in popularity but are still in the experimental stages.
Building on the Past, Securing the Future
Author | : George E. Blandford |
Publisher | : |
Total Pages | : |
Release | : 2004 |
Genre | : Bridges |
ISBN | : 9780784407004 |
Structural Design for Physical Security
Author | : Task Committee on Structural Design for Physical Security |
Publisher | : ASCE Publications |
Total Pages | : 272 |
Release | : 1999-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784474747 |
Prepared by the Task Committee on Structural Design for Physical Security of the Structural Engineering Institute of ASCE. This report provides guidance to structural engineers in the design of civil structures to resist the effects of terrorist bombings. As dramatized by the bombings of the World Trade Center in New York City and the Murrah Building in Oklahoma City, civil engineers today need guidance on designing structures to resist hostile acts. The U.S. military services and foreign embassy facilities developed requirements for their unique needs, but these the documents are restricted. Thus, no widely available document exists to provide engineers with the technical data necessary to design civil structures for enhanced physical security. The unrestricted government information included in this report is assembled collectively for the first time and rephrased for application to civilian facilities. Topics include: determination of the threat, methods by which structural loadings are derived for the determined threat, the behavior and selection of structural systems, the design of structural components, the design of security doors, the design of utility openings, and the retrofitting of existing structures. This report transfers this technology to the civil sector and provides complete methods, guidance, and references for structural engineers challenged with a physical security problem.
Blast Protection of Buildings
Author | : American Society of Civil Engineers |
Publisher | : |
Total Pages | : 0 |
Release | : 2023-03-06 |
Genre | : Building, Bombproof |
ISBN | : 9780784415719 |
Standard ASCE/SEI 59-22 provides minimum requirements for planning, design, construction, and assessment of new and existing buildings subject to the effects of accidental or malicious explosions.