Rocking Connection Between a Precast Bridge Column and Cap Beam

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ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (91 download)

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Book Synopsis Rocking Connection Between a Precast Bridge Column and Cap Beam by : Bryan Kennedy

Download or read book Rocking Connection Between a Precast Bridge Column and Cap Beam written by Bryan Kennedy and published by . This book was released on 2015 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traditional cast-in-place, concrete bridge construction is often a lengthy undertaking, which is burdensome to the motoring public because of the traffic delays that it causes. Precast construction can accelerate the process by moving fabrication offsite, and then rapidly erecting and connecting bridge components onsite. However, designing connections that are both easy to complete and are robust under seismic loading is challenging. This thesis describes a connection that is intended to meet those criteria, and builds on previous work to do so. Experimental, precast, pre-tensioned specimens developed by Davis et al. (2012) showed good seismic performance, but had significant damage at low drift levels. Adding experimental, ductile materials resulted in less structural damage (Finnsson, 2013), but required unconventional construction materials and awkward fabrication. A new precast, pre-tensioned, column-to-cap beam connection has been developed. The design utilizes (1) unbonded prestressing strands to help the column re-center, (2) bonded reinforcing bars to dissipate energy, (3) a baseplate to permit rigid-body, rocking behavior of the column, and (4) a steel tube to confine the column concrete at the rocking interface. The strands are pre-tensioned when the column is cast, so the connection can be completed without any onsite stressing operations. The connection's seismic performance was evaluated with pseudo-static, cyclic testing of one subassembly. The test results showed that the specimen was stiff at low loads, re-centered well, dissipated energy, and was ductile and durable. Damage to the concrete was negligible and the peak moment strength was measured at drifts exceeding 10%. The system offers a method for achieving accelerated bridge construction that also provides excellent seismic performance and uses only conventional construction materials.

Seismic Retrofit of Bridge Steel Truss Piers Using a Controlled Rocking Approach

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Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Seismic Retrofit of Bridge Steel Truss Piers Using a Controlled Rocking Approach by : Michael Pollino

Download or read book Seismic Retrofit of Bridge Steel Truss Piers Using a Controlled Rocking Approach written by Michael Pollino and published by . This book was released on 2004 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structures Under Shock and Impact XVI

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Publisher : WIT Press
ISBN 13 : 1784663999
Total Pages : 170 pages
Book Rating : 4.7/5 (846 download)

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Book Synopsis Structures Under Shock and Impact XVI by : S. Syngellakis

Download or read book Structures Under Shock and Impact XVI written by S. Syngellakis and published by WIT Press. This book was released on 2020-08-19 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing need to protect civilian infrastructure and industrial facilities against unintentional loads arising from accidental impact and explosion events as well as terrorist attacks is of major importance. While advances have been made in recent years, many challenges remain, such as to develop more effective and efficient blast and impact mitigation approaches than those that currently exist. The primary focus remains the survivability of physical facilities and the protection of people, as well as reducing economic losses and impact on the environment, with emphasis on innovative protective technologies to support the needs of an economically growing, modern society. The application of this technology ranges from the safe transportation of people and dangerous materials to defences against natural hazards such as floods, wind, storms, tsunamis and earthquakes. Large scale testing is prohibitive and small scale laboratory testing results in scaling uncertainties. Continuing research is therefore essential to improve knowledge on how these structures behave under a variety of load actions, some of which interact making it even more complex and difficult to define. Consequently, more use of advanced numerical simulations for load and structural response calculations is common practice in industry and research. Such calculations can directly be used in design and risk assessment calculations, but also be applied to more simplified design tools and design codes. Whether numerical or analytical modelling techniques are employed, experimental validation is vital for there to be acceptance of the approach to be used. The included papers, presented at the 16th International Conference on Structures under Shock and Impact, highlight new research ideas and results to promote a better understanding of the critical issues relating to the testing behaviour, modelling and analyses of protective structures against blast and impact loading.

Drilled Shaft Socket Connections for Precast Columns in Seismic Regions

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Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (821 download)

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Book Synopsis Drilled Shaft Socket Connections for Precast Columns in Seismic Regions by : Hung Viet Tran

Download or read book Drilled Shaft Socket Connections for Precast Columns in Seismic Regions written by Hung Viet Tran and published by . This book was released on 2012 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional cast-in-place method in bridge construction requires long on-site construction time and substantial labor in the field, which can result in high construction costs and traffic delays. Using precast bridge elements is one solution. However, achieving good connections between precast elements is challenging, particularly in seismically hazardous areas, like the Pacific Northwest, in which the largest forces are developed at the beam-to-column or column-to-footing connections. Therefore, the connections need to be strong enough to resist seismic excitation and easy to construct with high quality. This study adapts the column-to-foundation socket concept to connections between a precast column and cast-in-place drilled shaft. In this connection, the column is precast with a roughened outer surface at the bottom of the column, where it will be embedded in the drilled shaft. Two specimens were fabricated and tested at the University of Washington. The only difference between the two specimens was the amount of spiral reinforcement in the column-to-shaft transition region, which was reduced by half in the second specimen. The goal was to promote failure in the shaft transition region in the second specimen, in order to develop an understanding of the load transfer mechanism there. The response and mode of failure of each specimen was the same as had been anticipated during design. It shows that the new design provides agencies a good method for accelerating bridge construction.

Seismic Design and Performance

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Publisher : Springer Nature
ISBN 13 : 9813340053
Total Pages : 406 pages
Book Rating : 4.8/5 (133 download)

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Book Synopsis Seismic Design and Performance by : T.G. Sitharam

Download or read book Seismic Design and Performance written by T.G. Sitharam and published by Springer Nature. This book was released on 2021-03-26 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents select papers presented at the 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. The papers discuss advances in the fields of soil dynamics and geotechnical earthquake engineering. Some of the themes include seismic design of deep & shallow foundations, soil structure interaction under dynamic loading, marine structures, etc. A strong emphasis is placed on connecting academic research and field practice, with many examples, case studies, best practices, and discussions on performance based design. This volume will be of interest to researchers and practicing engineers alike.

Seismic Assessment, Behavior and Retrofit of Heritage Buildings and Monuments

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Publisher : Springer
ISBN 13 : 331916130X
Total Pages : 490 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Seismic Assessment, Behavior and Retrofit of Heritage Buildings and Monuments by : Ioannis N. Psycharis

Download or read book Seismic Assessment, Behavior and Retrofit of Heritage Buildings and Monuments written by Ioannis N. Psycharis and published by Springer. This book was released on 2015-05-05 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book assembles, identifies and highlights the most recent developments in Rehabilitation and retrofitting of historical and heritage structures. This is an issue of paramount importance in countries with great built cultural heritage that also suffer from high seismicity, such as the countries of the eastern Mediterranean basin. Heritage structures range from traditional residential constructions to monumental structures, ancient temples, towers, castles, etc. It is generally recognized that these structures present particular difficulties in seismic response calculation through computer simulation due to the complexity of the structural system which is, generally, inhomogeneous, with several contact problems, gaps/joints, nonlinearities and brittleness in material constituents. This book contains selected papers from the ECCOMAS Thematic Conferences on Computational Methods in Structural Dynamics & Earthquake Engineering (COMPDYN) that were held in Corfu, Greece in 2011 and Kos, Greece in 2013. The Conferences brought together the scientific communities of Computational Mechanics, Structural Dynamics and Earthquake Engineering in an effort to facilitate the exchange of ideas in topics of mutual interest and to serve as a platform for establishing links between research groups with complementary activities.

Analytical and Experimental Investigation of a Controlled Rocking Approach for Seismic Protection of Bridge Steel Truss Piers

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Publisher :
ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Analytical and Experimental Investigation of a Controlled Rocking Approach for Seismic Protection of Bridge Steel Truss Piers by : Michael Pollino

Download or read book Analytical and Experimental Investigation of a Controlled Rocking Approach for Seismic Protection of Bridge Steel Truss Piers written by Michael Pollino and published by . This book was released on 2008 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Insights and Innovations in Structural Engineering, Mechanics and Computation

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Publisher : CRC Press
ISBN 13 : 1317280636
Total Pages : 2223 pages
Book Rating : 4.3/5 (172 download)

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Book Synopsis Insights and Innovations in Structural Engineering, Mechanics and Computation by : Alphose Zingoni

Download or read book Insights and Innovations in Structural Engineering, Mechanics and Computation written by Alphose Zingoni and published by CRC Press. This book was released on 2016-11-25 with total page 2223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Insights and Innovations in Structural Engineering, Mechanics and Computation comprises 360 papers that were presented at the Sixth International Conference on Structural Engineering, Mechanics and Computation (SEMC 2016, Cape Town, South Africa, 5-7 September 2016). The papers reflect the broad scope of the SEMC conferences, and cover a wide range of engineering structures (buildings, bridges, towers, roofs, foundations, offshore structures, tunnels, dams, vessels, vehicles and machinery) and engineering materials (steel, aluminium, concrete, masonry, timber, glass, polymers, composites, laminates, smart materials).

Next Generation of Bridge Columns for Accelerated Bridge Construction in High Seismic Zones

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ISBN 13 :
Total Pages : 406 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Next Generation of Bridge Columns for Accelerated Bridge Construction in High Seismic Zones by : Mostafa Tazarv

Download or read book Next Generation of Bridge Columns for Accelerated Bridge Construction in High Seismic Zones written by Mostafa Tazarv and published by . This book was released on 2014 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Longitudinal bar debonding allowed spread of yielding and prevented premature failure of reinforcements in UHPC-filled duct connections and grouted coupler column pedestal. The SMA-reinforced ECC column showed superior seismic performance compared to a conventional column in which the plastic hinge damage was limited to only ECC cover spalling even under 12% drift ratio cycles. The column residual displacements were 79% lower than CIP residual displacements on average due to the superelastic NiTi SMA longitudinal reinforcement, and higher base shear capacity and higher displacement capacity were observed. The analytical modeling methods were simple and sufficiently accurate for general design and analyses of precast components proposed in the present study. The proposed symmetrical material model for reinforcing NiTi superelastic SMA was found to be a viable alternative to the more complex asymmetrical model.

Application of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions

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Publisher : Transportation Research Board
ISBN 13 : 0309213436
Total Pages : 65 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Application of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions by :

Download or read book Application of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions written by and published by Transportation Research Board. This book was released on 2011 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB’s National Cooperative Highway Research Program (NCHRP) Report 698: Application of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions evaluates the performance of connection details for bridge members in accelerated bridge construction in medium-to-high seismic regions and offers suggestions for further research.

Technical Report

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Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Technical Report by :

Download or read book Technical Report written by and published by . This book was released on 1987 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Reliability-Based Analysis and Design of Structures and Infrastructure

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Publisher : CRC Press
ISBN 13 : 1000418065
Total Pages : 522 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Reliability-Based Analysis and Design of Structures and Infrastructure by : Ehsan Noroozinejad Farsangi

Download or read book Reliability-Based Analysis and Design of Structures and Infrastructure written by Ehsan Noroozinejad Farsangi and published by CRC Press. This book was released on 2021-09-27 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing demand on improving the resiliency of modern structures and infrastructure requires ever more critical and complex designs. Therefore, the need for accurate and efficient approaches to assess uncertainties in loads, geometry, material properties, manufacturing processes, and operational environments has increased significantly. Reliability-based techniques help develop more accurate initial guidance for robust design and help to identify the sources of significant uncertainty in structural systems. Reliability-Based Analysis and Design of Structures and Infrastructure presents an overview of the methods of classical reliability analysis and design most associated with structural reliability. It also introduces more modern methods and advancements, and emphasizes the most useful methods and techniques used in reliability and risk studies, while elaborating their practical applications and limitations rather than detailed derivations. Features: Provides a practical and comprehensive overview of reliability and risk analysis and design techniques. Introduces resilient and smart structures/infrastructure that will lead to more reliable and sustainable societies. Considers loss elimination, risk management and life-cycle asset management as related to infrastructure projects. Introduces probability theory, statistical methods, and reliability analysis methods. Reliability-Based Analysis and Design of Structures and Infrastructure is suitable for researchers and practicing engineers, as well as upper-level students taking related courses in structural reliability analysis and design.

CONCRETE Innovations in Materials, Design and Structures

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Publisher : FIB - Féd. Int. du Béton
ISBN 13 : 2940643008
Total Pages : 2322 pages
Book Rating : 4.9/5 (46 download)

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Book Synopsis CONCRETE Innovations in Materials, Design and Structures by : FIB – International Federation for Structural Concrete

Download or read book CONCRETE Innovations in Materials, Design and Structures written by FIB – International Federation for Structural Concrete and published by FIB - Féd. Int. du Béton. This book was released on 2019-05-27 with total page 2322 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Proceedings contains the papers of the fib Symposium “CONCRETE Innovations in Materials, Design and Structures”, which was held in May 2019 in Kraków, Poland. This annual symposium was co-organised by the Cracow University of Technology. The topics covered include Analysis and Design, Sustainability, Durability, Structures, Materials, and Prefabrication. The fib, Fédération internationale du béton, is a not-for-profit association formed by 45 national member groups and approximately 1000 corporate and individual members. The fib’s mission is to develop at an international level the study of scientific and practical matters capable of advancing the technical, economic, aesthetic and environmental performance of concrete construction. The fib, was formed in 1998 by the merger of the Euro-International Committee for Concrete (the CEB) and the International Federation for Prestressing (the FIP). These predecessor organizations existed independently since 1953 and 1952, respectively.

Experimental and Numerical Studies of Precast Unbonded Post-tensioned Bridge Columns with Engineered Cementitious Composites

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Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Experimental and Numerical Studies of Precast Unbonded Post-tensioned Bridge Columns with Engineered Cementitious Composites by : Jaekyung Kay Yoon

Download or read book Experimental and Numerical Studies of Precast Unbonded Post-tensioned Bridge Columns with Engineered Cementitious Composites written by Jaekyung Kay Yoon and published by . This book was released on 2002 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Modelling of Concrete Structures

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Publisher : CRC Press
ISBN 13 : 1351726757
Total Pages : 1735 pages
Book Rating : 4.3/5 (517 download)

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Book Synopsis Computational Modelling of Concrete Structures by : Günther Meschke

Download or read book Computational Modelling of Concrete Structures written by Günther Meschke and published by CRC Press. This book was released on 2018-01-31 with total page 1735 pages. Available in PDF, EPUB and Kindle. Book excerpt: The EURO-C conference series (Split 1984, Zell am See 1990, Innsbruck 1994, Badgastein 1998, St. Johann im Pongau 2003, Mayrhofen 2006, Schladming 2010, St. Anton am Arlberg 2014, and Bad Hofgastein 2018) brings together researchers and practising engineers concerned with theoretical, algorithmic and validation aspects associated with computational simulations of concrete and concrete structures. Computational Modelling of Concrete Structures reviews and discusses research advancements and the applicability and robustness of methods and models for reliable analysis of complex concrete, reinforced concrete and pre-stressed concrete structures in engineering practice. The contributions cover both computational mechanics and computational modelling aspects of the analysis and design of concrete and concrete structures: Multi-scale cement and concrete research: experiments and modelling Aging concrete: from very early ages to decades-long durability Advances in material modelling of plain concrete Analysis of reinforced concrete structures Steel-concrete interaction, fibre-reinforced concrete, and masonry Dynamic behaviour: from seismic retrofit to impact simulation Computational Modelling of Concrete Structures is of special interest to academics and researchers in computational concrete mechanics, as well as industry experts in complex nonlinear simulations of concrete structures.

AASHTO Guide Specifications for LRFD Seismic Bridge Design

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Publisher : AASHTO
ISBN 13 : 156051521X
Total Pages : 271 pages
Book Rating : 4.5/5 (65 download)

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Book Synopsis AASHTO Guide Specifications for LRFD Seismic Bridge Design by :

Download or read book AASHTO Guide Specifications for LRFD Seismic Bridge Design written by and published by AASHTO. This book was released on 2011 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work offers guidance on bridge design for extreme events induced by human beings. This document provides the designer with information on the response of concrete bridge columns subjected to blast loads as well as blast-resistant design and detailing guidelines and analytical models of blast load distribution. The content of this guideline should be considered in situations where resisting blast loads is deemed warranted by the owner or designer.

Seismic Analysis, Behavior and Performance-based Design of Unbonded Post-tensioned Concrete Substructure Systems

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Publisher :
ISBN 13 :
Total Pages : 950 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Seismic Analysis, Behavior and Performance-based Design of Unbonded Post-tensioned Concrete Substructure Systems by : Wing-Pin Kwan

Download or read book Seismic Analysis, Behavior and Performance-based Design of Unbonded Post-tensioned Concrete Substructure Systems written by Wing-Pin Kwan and published by . This book was released on 2001 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: