As noted in table 2, structures are assigned to a seismic design category based. Design criteria for bridges and other structures transport and. Because of their structural simplicity, bridges tend to beparticularly vulnerable to damage and even collapse when subjectedto earthquakes or other forms of seismic activity. Participants the course is designed for civil engineers engaged in planning, design, or construction of bridges. The inelastic dynamic analysis of bridge structures, including the effect of soilstructure interaction, to establish the ductility demand of typical reinforced concrete. Design and modeling using seismic isolation bearings for. Seismic design and analysis of underground structures. Seismic resistant design and engineering of buildings and. Design criteria for bridges and other structures, transport and main roads, march. Its overall goal is to make such structures more resistant to earthquakes. Subsequent chapters cover general seismic principles. Beyond the seismic analysis, the design of bridges must also include. Worked examples presented at the workshop bridge design to eurocodes.
Bridge approach embankments and fills through which cutandcover tunnels are constructed should be designed to remain stable during the design seismic event because. Fema 356 prestandard and commentary for the seismic rehabilitation of buildings. Phillip yen1 and bijan khaleghi2 1director and chair, international association of bridge earthquake engineering iabee. Seismic design and retrofit of bridges on missouris earthquake priority routes shyam gupta,1 p. The seismic and multihazard resilience programs primary goal is to assist statelocal governments and metropolitan planning organizations in improving highway network resilience and therefore to best utilize the funding from federal highway programs to protect lives and boost economic growth. Critical bridges upgraded seismic design requirement 1. Friedland3 abstract this paper provides an overview of the proposed seismic design provisions that have been developed to replace those currently in use throughout the united states. Nonbuilding structures similar to buildings dynamic response similar to buildings structural systems are designed and constructed similar to buildings use provisions of chapter 15 and applicable parts of chapters 11, 12, 14. Manual for refined analysis in bridge design and evaluation fhwa. Subsequent chapters cover general seismic principles, static and dynamic lateral force procedures for buildings, seismic design of steel, concrete, wood and masonry structures and seismic design of bridges. Thus, decisions on building configuration at the planning stage. Nigel priestley codirector, rose school, pavia, italy rose school co eucentre via ferrata 1, 27100 pavia, italy december 2007. It is discussed whether the current eurocode 82 provisions are.
Guidance for the selection of the design seismic action during the construction phase b informative. A bridge is a structure built to span a physical obstacle, such as a body of water, valley, or road. Chapter 6 seismic design page 62 geotechnical design manual m 4603. Isolators with modern rubber formulations surrounded by a protective cover rubber are expected to be. An earthquake or seismic engineer aims to construct structures that will not be damaged in minor shaking and will avoid serious damage or collapse in a. Eighteen structural design programs are provided for the hp45g calculators. Read download seismic design for buildings pdf pdf download. Unlike buildings whose design is led by architects, bridges are usually. The plan configurations of structure have significant impact on the seismic response of structure in terms of displacement, story drift, and story shear demands. May 12 2020 seismic isolation design examplesofhighway bridges 15 pdf drive search and download pdf files for free. Beginning january 2008, wsdot requires all new bridges, bridge widenings, and walls to be designed in accordance with the requirements of the aashto guide specifications for lrfd seismic bridge design. This thesis is concerned with the seismic design of bridge piers. Former principal bridge engineer, office of bridge technology, federal. Specification for structures to be built in disaster areas ministry, 1975, 1997 and ts500,building code requirements for reinforced concrete turkish, 1985.
Seismic design of torsionally eccentric buildings with u. Nehrp recommended provisions for principles and procedures in seismic design seismic regulations for new buildings and practice. A new seismic design approach for bridge columns in moderate seismicity regions jaehoon lee1 jinho choi2 and sungjin shin3 summary seismic performance of reinforced concrete columns are strongly influenced by amount, spacing, and details of confining steel as well as longitudinal reinforcement details. Usually, the design methodologies, developed primarily for the analysis and design of buildings were also uncritically applied to bridges. In this study, new equivalent linearization equations and a novel displacementbased approach for isolated bridges with seismic energy dissipation devices are developed with emphasis on their application to the japanese design specifications for highway bridges. A critical overview is provided of current trends in codes for seismic design of bridges, with emphasis on european practice. Introduce new guidelines for the design of railway bridges. This was the site of a series of very powerful earthquakes that took place during the winter of 18111812.
After designing and building a structure, its important to continue taking care of it through inspection and maintenance. Specifications for bridge design in vietnam 1 referred to as 22tcn27205 was established on base of aashto lrfd 1998 3 in 2001, officially applied in 2005. Designs of bridges vary depending on the function of the bridge, the nature of the terrain. This design memorandum describes wsdots position in implementation of the new aashto guide specifications for lrfd seismic bridge design. This manual provides guidance on performing refined analysis of bridges. Pdf seismic design of baseisolated highway bridges. As for an essential multispans bridge located moderate seismic zone, the seismic design. Elastomeric pads in highway bridges have been in use for over four decades exhibiting good durability. Performancebased seismic design for tall buildings performancebased seismic design pbsd is a structural design methodology that has become more common in urban centers around the world, particularly for the design of highrise buildings. Geoseismic issues subcommittee committee on seismic.
The normal design life of the bearing is over 50 years. Design and detailing of rc frame and frame shear wall buildings capacity design of beams, columns, and shear walls reinforcement detailing in beams, columns, beamcolumn joints and shear walls safety of urm infills. Seminar on seismic design and retrofit of bridges deck and the new edge girder. Relationship between displacement ductility and curvature ductility factors of plastic hinges in concrete piers. Seismic design of bridges transportation research board. Written for engineers preparing for the national structural engineering exam used in 26 states, the structural exam used in ca, nv, wa, hi, and id, and the special civil engineer exam in ca complies with the 1997 uniform building code and the latest aashto, aisc, and seaoc standards 100 example problems, of which 50 are examination problems detailed stepbystep solutions for every. Geoseismic issues subcommittee committee on seismic design of bridges aff501 wednesday, 16 january 2008 7. Moreover they are obligatory standard for design of important and significant residential and office buildings. Development of an analytical model to predict the stressstrain behaviour of reinforcing steel under dynamic cyclic loading is presented. Note fonlls of structure are, for example, frames, suspension bridges. Have a clear appreciation of how seismic design methodology for bridges is very different from that for buildings. Protection of bridges afps, 1995, this new regulation framework enables to take advantage of latest scientific and technological advances in seismic design and analysis of structures, such as probabilistic seismic hazard evaluation, nonlinear structural analysis and antiseismic devices use. Structural engineers pocket book by fiona cobb this pocket book is like a bible for structural engineers.
Cable stayed structures and stay cable technology pdf. Tunnelling and underground space technology 16 2001 247293 preface this paper was developed as part of the activities of the international tunnelling association ita working group no 2. Trbs national cooperative highway research program nchrp synthesis 440, performancebased seismic bridge design pbsd summarizes the current state of knowledge and practice for pbsd. A particular feature of eurocode 8part 5 is that it applies to buildings en 19981, bridges en. The noncollapse requirement for bridges under the design seismic event is more stringent than the relevant requirement for buildings, as it contains the continuation of emergency traffic. The research effort to develop a viable and simple design approach satisfying this goal has considered a wide range of structural types including, frame buildings, wall buildings, dual wallframe buildings, bridges, seismically isolated structures and wharves, and a range of. In many cases this approach wasis inappropriate, since the structural system of bridges, dimensions, and their seismic response, in general, is considerably different from buildings. Nonbuilding structures not similar to buildings design and construction results in dynamic. Methods for fire tests on building materials, components and structures. So, the design of irregular buildings needs special care and enhancement of member sizes at regions of irregularity. Probabilities related to the reference seismic action. The goal of pbsd is to provide decision makers and stakeholders with.
For this analysis, uncoupled ductile wall system is selected as structural system of building. Abstract the heart of the new madrid seismic zone lies in the southeast corner of missouri. Seminar bridge design with eurocodes jrc ispra, 12 october 2012 8 en19982. Seismic design of baseisolated highway bridges utilizing leadrubber bearing article pdf available in canadian journal of civil engineering 173. Construction of the integral edge girder where the columns are located away from the edge of the roadway i. Design and construction challenges of jointless bridges in.
This fact will increase margin of safety of those buildings for sure because eurocodes are newer and more comprehensive system of structural design standards compared to old bulgarian codes. Executive summary today about 200 bridges have been designed and constructed in the u. Seismic design of steel, concrete, wood, and masonry structures. Force requirements 9, and seismic design for buildings. Pdf seismic analysis and design of bridges with an. Design philosophies and methodologies in earthquake engineering were also studied. Where applicable, the provisions of older structures, part 1 provisions, various seismic design standards such as mc fema302, federal emergency 2000, ubc97, fema273274 and atc40 management agency, 1997. Unlike your average usd160 college textbook, it is not expensive. Proceedings of the 11th ustaiwan bridge engineering workshop taipei, taiwan, october 2021, 2016 design and construction challenges of jointless bridges in seismic regions w. Engineering design firm specialized in steel construction consultation and steel structure design services for industrial and commercial buildings, steel structures for plants, silos, pressure vessels, bridges, steel connection engineering and joint dimensioning, welding inspection, antiblast and antiseismic design, light weight structures, aluminium structures, amusement rides. Static and dynamic lateral force procedures for buildings. Seismic design of bridges saturday, march 19, 2016 seaoi is pleased to present a fullday seminar on the topic of seismic design of bridges using aashto lrfd. Analysis of seismic shear design of twentystory rc building with ductile wall system jelena pejovic1 and srdjan jankovic2 abstract this paper presents analysis of seismic shear design of twentystory rc building designed in accordance with en 19981. Particular attention is given to lifeline bridges with reinforced concrete hollow columns.478 1120 215 179 262 1336 877 1018 1671 996 1088 518 1116 1460 462 148 634 681 1549 286 946 427 831 245 1023 1374 1290 1360 510 511 111 1348 461