Homebuilders guide to earthquakeresistant design and construction. Residents in western washington were doubly fortunate, not only did they have wellbuilt structures but the earthquake occurred much further below the surface than the izmit quake, further reducing the resulting ground shaking. Analysis and design of an earthquake resistant structure. Old bridges that were constructed before the formulation of modern seismic code requirements are particularly vulnerable due to their old age and design limitation. 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.
Causes and effects of earthquake seismic waves seismic performance and design improving earthquake resistant of the minor building shear walls advantages of shear walls earthquake resisting structure techniques base isolation method energy dissipation device seismic dampers. Instead of designing earthquake resistant bridges with monolithic joints, it is proposed to use discontinuous connections in this thesis. This european standard contains the particular performance requirements, compliance criteria and application rules applicable to the earthquake resistant design of bridges. The training course on the codal practices on earthquake resistant design and construction.
A field reconnaissance in haiti by a fivemember team with expertise in seismology and earthquake engineering has revealed a number of factors that led to catastrophic losses of life and property during the january 12, 2010, mw 7. The peer reports series comprises stateoftheart research in earthquake engineering and related fields by the more than 150 expert members of the peer universities consortium. Earthquake resistant bridge design competition goal and objective the goal of this project is to use basic engineering concepts to design and build a bridge that can resist the forces induced during an earthquake. Peer reports pacific earthquake engineering research center. Several natural hazards like flood, scour, wind, earthquake, landslide, debris flow, and storm surge are unavoidable and are among the root causes of failures of many bridges. Performancebased evaluation of the earthquake response. Bridges british standard complementary to en 19922, en 19932 and en 19942. Do not attempt to cross bridges or overpasses which may have been damaged by earthquake. Bridges, roads and railway lines are damaged, often making it dif. He made significant contributions to the design and retrofit of concrete structures, and developed the first displacementbased method of seismic design. Michael john nigel priestley onzm 21 july 1943 23 december 2014 was a new zealand earthquake engineer.
Clement benjamin barthes the california department of transportation caltrans is urging researchers and contractors to develop the next generation highway bridge design. Students learn how engineers build shake tables that simulate the ground motions of the earth caused by seismic waves in order to test the seismic performance of buildings. Within the framework of the scope set forth in en 19982. The book qualifies to be a reference book that certainly would be a valuable addition to libraries of universities and research laboratories. It serves as a reference manual for use with the 5day national highway institute nhi 093 course lrfd seismic analysis and design of bridges, and the 3day 093a course displacementbased lrfd seismic analysis and design of bridges. Closely spaced horizontal hoops, restraining the main vertical reinforcement bars of the substructure, are effectively used for this purpose. Earthquake resistant design of structures 5th revision is 4326, 1993, indian standard code of practice for earthquake resistant design and construction of buildings 2nd revision. Hence, despite the great improvements recently made in modular bridge construction, a large amount of concrete is still cast in place to properly splice the reinforcements between the segments. The only way to get rid of the ravages of this natural disaster is to build houses, bridges and roads in such a way that they can resist the tremors. Seismic design of buildings worked examples worked examples presented at the workshop ec 8. Earthquake resistant bridges are designed such that the columns are monolithically connected to the girder and the foundations.
Graduate students within the department of civil, structural and environmental engineering often participate in mceer research. Dr mitoulis has broad experience on the numerical modelling, analysis and experimental testing shake table tests of structures subjected to seismic loads. It aims to explain the different sources of damage that can be triggered by an earthquake and the conceptual method of earthquakeresistant design. This will also give an opportunity to consolidate all the studies, findings, earthquake data, special features of earthquake, the damage reporting and retrofitting experiences. Liquefaction soil liquefaction is a condition in which saturated, granular, nonplastic or lowplasticity finegrained soils undergo a substantial loss of their stiffness and strength and transform into a liquefied.
Earthquakeresistant bridge thanks to new flexible materials. The earthquakeresistant design of structures 2nd edition pdf file has been uploaded to our online repository for the safer downloading of the file. The reduced degree of indeterminacy of bridge structures leads to reduced potential of dissipating energy and load re distribution. Economical design of earthquake resistent brigdes the constructor. It aims to explain the different sources of damage that can be triggered by an earthquake and the conceptual method of earthquake resistant design. Earthquakeresistant design of structures 2nd edition pdf. Accelerogram data processing, seismic hazard assessment, sitespecific design motions for earthquake resistant structures. Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through earths rocks. The earthquake resistant design of structures 2nd edition pdf file has been uploaded to our online repository for the safer downloading of the file. The design of integral bridges, design manual for roads and bridges. Earthquakeresistant design of lifeline systems in the united states a draft technical report of subcommittee 3, evaluation of site hazards, a part of the interagency committee on seismic safety in construction prepared for use by. Analysis of road bridges damaged in the 2016 kumamoto. Design rules for earthquake resistant design of steel, concrete and composite bridges.
In march 2011, while still under construction, the tower was put to the test when a tremendous 9. Design of earthquake resistant building project report 1. Gisbased preliminary seismic hazard identification and. Design of earthquake resistant building project report.
There is a marked difference in seismic design aspects of bridges and buildings. Coordination meeting 502 davis hall, uc berkeley agenda pdf file 82 kb. The current emphasis of the series is on performancebased engineering of lifelines and building structures. However, the way this is done currently, the bridges become permanently damaged and cannot carry traffic anymore after the earthquake. Pdf earthquake resistant design standards for bridges. Sky trees earthquakeresistant features worked beautifullythere was no structural damage and none of.
Methods of dynamic analysis to be an excellent contribution to the literature on earthquake engineering. Since bridges are the weakest link in the national road network, it is crucial that existing bridges can withstand the earthquake forces should the occasion arises. Interagency committee on seismic safety in construction icssc open file report 88362 reston, virginia 1987. If earthquakes only moved the ground vertically, buildings might suffer little damage because all structures are designed to withstand vertical forces associated with gravity but the rolling waves of an earthquake exert extreme horizontal forces on standing structures. If an earthquake causes insured damage greater than the ceas claimpaying capacity, policyholders with earthquake damage may be paid a prorated portion of their covered losses. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. The objective is to build a small bridge from balsa wood that can withstand severe ground shaking recorded during actual earthquakes. Design of earthquake resistant bridges using rocking columns. This manual is intended to provide a technical resource for bridge engineers responsible for seismic analysis and design.
Earthquake resistant bridge international journal of engineering. Ground motions for the peer transportation systems research program jack baker pdf file 2. A brief summary of causes and mechanisms of bridge failures due to different natural hazards are summarized in the following sections. Its overall goal is to make such structures more resistant to earthquakes. This projects deals with an earthquake resistants bridge. The author also compares and contrasts various seismic resistant techniques in usa, russia, japan. Calculate by manual calculation and analysisby using. Earthquake engineering is an interdisciplinary branch of engineering that designs and analyzes structures, such as buildings and bridges, with earthquakes in mind. With the occurrence of every major earthquake, there has been in the past, almost a worldwide tendency. However, if a bridge is allowed to rock moderately, it may modify the earthquake response and drastically reduce the resisting forces within the structure. Part3 bridges and retaining walls part 5 dams and embankments part i contains provisions that are general in nature and applicable to al types of structures.
Learning earthquake tip 11 earthquake design construction. How these ideas can be used in economical earthquake resistant design of bridges is the subject of this paper. Codal practices on earthquake resistant design and. Fullcolor reports are available free of charge as a pdf. K singh hemant kumar 8200903 associate professor mujahid. Dynamic analysis and earthquake resistant design, volume 2. Cea is not permitted to file for bankruptcy protection, and, unlike a private insurer, it cannot be taken over by the state insurance commissioner. Students learn about the types of seismic waves produced by earthquakes and how they move the earth. The segments may rock at their interface during a severe earthquake and, if rocking rotation is too large, the structure may collapse. Plastic hinging and durability there is a marked difference in seismic design aspects. Created by the nsf in 1986 as the national center for earthquake engineering research, mceer is supported by ub, several federal agenices and private industry to advance earthquake engineering. New design solutions should favor the use of modular.
Tata cara perencanaan ketahanan gempa untuk jembatan jalan raya. Alarmed by the recurrence of quakes, experts have called for the development of an earthquake resistant building code which can save the lives of city dwellers. But earthquakesafe buildings are expensivemany poorer countries dont have the financial resources to build them. Design of earthquake resistant bridges using rocking.