Author: KALIPRASANNA SETHY | Size: 850 KB | Format:PDF | Quality:Unspecified | Publisher: DEPARTMENT OF CIVIL ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY, ROURKELA | Year: 2011 | pages: 62
After 2001 Gujarat Earthquake and 2005 Kashmir Earthquake, there is a nation-wide attention to the seismic vulnerability assessment of existing buildings. There are many literatures available on the seismic evaluation procedures of multi-storeyed buildings using;nonlinear static (pushover) analysis. There is no much effort available in literature for seismic evaluation of existing bridges although bridge is a very important structure in any country. There are presently no comprehensive guidelines to assist the practicing structural engineer to evaluate existing bridges and suggest design and retrofit schemes. In order to address this problem, the aims of the present project was to carry out a seismic evaluation case study for an existing RC bridge using nonlinear static (pushover) analysis.
Bridges extends horizontally with its two ends restrained and that makes the dynamic characteristics of bridges different from building. Modal analysis of a 3D bridge model
reveals that it has many closely-spaced modes. Participating mass ratio for the higher modes is very high. Therefore, pushover analysis with single load pattern may not yield correct
results for a bridge model. A 12-span existing RC bridge was selected for the case study. Standard pushover analysis using FEMA 356 (2000) displacement coefficient method and an improved upper bound pushover analysis method were used to analyse the building. Some of the analysis parameters were suitably modified to use in a bridge structure. The evaluation results presented here shows that the selected bridge does not have the capacity to meet any of the desired
performance level.
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Author: David W. A. Rees | Size: 35 MB | Format:PDF | Quality:Unspecified | Publisher: World Scientific Publishing Company | Year: 2000 | pages: 734 | ISBN: 1860942180, 9781860942181
The 15 chapters in this volume are arranged in a logical progression. The text begins with the more fundamental materials on stress, strain and plane elasticity. There follows a full treatment of the theories of bending and torsion. Coverage of moment distribution, shear flow, struts and energy methods precedes a chapter on finite elements. Thereafter, the book presents yield and strength criteria, plasticity, collapse, creep, visco-elasticity, fatigue and fracture mechanics. Appended is material on the properties of areas, matrices and stress concentrations. Each topic is illustrated by worked examples and supported by numerous exercises.
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Green building technologies and materials:
selected, peer reviewed papers from the 2011 International Conference on Green Building Technologies and Materials (GBTM 2011), May 30, 2011, Brussels, Belgium
A major goal of this special collection of 47 peer-reviewed papers was to gather together the current knowledge of academic scientists, engineers and industrial researchers and have them share their experiences and research results concerning every aspect of green building technologies and materials, and discuss the practical challenges encountered and the solutions adopted. An interesting guide to this increasingly relevant subject.
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Fiber-reinforced polymer (FRP) composites are becoming increasingly popular as a material for rehabilitating aging and damaged structures. Rehabilitation of Metallic Civil Infrastructure Using Fiber-Reinforced Polymer (FRP) Composites explores the use of fiber-reinforced composites for enhancing the stability and extending the life of metallic infrastructure such as bridges.
Part I provides an overview of materials and repair, encompassing topics of joining steel to FRP composites, finite element modeling, and durability issues. Part II discusses the use of FRP composites to repair steel components, focusing on thin-walled (hollow) steel sections, steel tension members, and cracked aluminum components. Building on Part II, the third part of the book reviews the fatigue life of strengthened components. Finally, Part IV covers the use of FRP composites to rehabilitate different types of metallic infrastructure, with chapters on bridges, historical metallic structures and other types of metallic infrastructure.
Rehabilitation of Metallic Civil Infrastructure Using Fiber-Reinforced Polymer (FRP) Composites represents a standard reference for engineers and designers in infrastructure and fiber-reinforced polymer areas and manufacturers in the infrastructure industry, as well as academics and researchers in the field.
Looks at the use of FRP composites to repair components such as hollow steel sections and steel tension members
Considers ways of assessing the durability and fatigue life of components
Reviews applications of FRP to infrastructure such as steel bridges.
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TRB's Airport Cooperative Research Program (ACRP) Report 42: Sustainable Airport Construction Practices explores a set of best practices, methods, procedures, and materials that if implemented during construction may have a sustainable, positive economic, operational, environmental, or social effect. The report includes the collection of sustainable airport construction practices in a searchable, filterable spreadsheet format on a CD-ROM, which is packaged with the report.
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Designing Rainwater Harvesting Systems: Integrating Rainwater into Building Systems
Author: Celeste Allen Novak, Eddie Van Giesen, Kathy M. DeBusk | Size: 12 MB | Format:PDF | Quality:Unspecified | Publisher: Wiley | Year: 2014 | Pages: 312 | ISBN: 9781118410479, 1118410475
Water conservation is one of the most effective sustainable design practices, yet few professionals know how to collect and use rainwater effectively. Rainwater Harvesting the first comprehensive book on designing rainwater harvesting systems. It provides practical guidelines for developing a rainwater harvesting strategy, taking into account climate, public policies, environmental impact, and end uses. Case studies are included throughout. Rainwater Harvesting is a valuable reference for architects, landscape architects, and site engineers.
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Dominik H. Lang, Jochen Schwarz, Polat Gülkan, (2011)
Site-Structure Resonance as a Proxy for Structural Damage.
Earthquake Spectra: November 2011, Vol. 27, No. 4, pp. 1105-1125.
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Recent Developments and Innovative Applications in Computational Mechanics
Author: Dana Mueller-Hoeppe, Stefan Löhnert and Stefanie Reese | Size: 11.4 MB | Format:PDF | Quality:Unspecified | Publisher: Springer | Year: 2010 | pages: 374 | ISBN: 3642174833
This Festschrift is dedicated to Professor Dr.-Ing. habil. Peter Wriggers on the occasion of his 60th birthday. It contains contributions from friends and collaborators as well as current and former PhD students from almost all continents.
As a very diverse group of people, the authors cover a wide range of topics from fundamental research to industrial applications: contact mechanics, finite element technology, micromechanics, multiscale approaches, particle methods, isogeometric analysis, stochastic methods and further research interests. In summary, the volume presents an overview of the international state of the art in computational mechanics, both in academia and industry.
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