Comparing the relative differences between high and low intensity earthquakes. However, due to its low ductility and flexural strength, its seismic behavior can be improved upon by different additives. Generally, there are three types of seismic control systems namely passive, active and hybrid seismic control systems. Dec 18, 2017 design of, construction these structures perform better during the earthquakes and give sufficient time to its dwellers to evacuate the building, besides saving lives, reducing injuries and lowering the damages of. Fema 232, homebuilders guide to earthquakeresistant. Acknowledgements the following people and their affiliations contributed to this report. Design of seismic resistant steel building structures 107p free download as powerpoint presentation. Recent catastrophes that occurred during seismic events suggest the importance of developing new seismicresistant materials for use in building construction. Structural design criteria first, is the building in a highseismic region. Building on loose sands or clays is to be avoided, since those surfaces can cause excessive movement and nonuniform stresses to develop during an earthquake.
After briefly introducing how seismic action is described for design purposes, methods for assessing the seismic vulnerability of existing buildings are presented. Design of seismic resistant steel building structures 107p. Fema 232, homebuilders guide to earthquakeresistant design. Nov 28, 2016 a seismically sound construction hinges on choosing highquality, earthquakeresistant building materials and industrial part vendors with past experience in earthquake protection for buildings. Earthquake resistant design of steel structures version ii 45 3 to ensure elastic behaviour under a moderate earthquake which has a return period equal to the life of the structure and prevent collapse under the extreme probable earthquake. Earthquakeresistant design of masonry buildings series on. Types of seismic control system in building structures. One of the lessons to be learned from the tragic gujrat earthquakes is the importance of damage control of our civil structures.
Concepts of seismicresistant design this topic introduces the concepts of seismicresistant design from a philosophical perspective. Seismic structural assessment is a powerful tool in earthquake engineering that uses detailed modeling of the structure in conjunction with structural analysis to get a better understanding of the buildings resistance. Pdf earthquake resistant design of structures researchgate. In this paper we present the concept of using glass as a horizontal seismic bracing element of timber frames. Possibilities of controlling ground motion input to building foundations are examined. Innovative earthquake resistant timberglass buildings. Factors that affect a structures seismic risk include. Earthquakeresistant building materials such as shock absorbing ball bearings, springs, and padded cylinders give taller structures a buffer zone in the event of a ground shift, while heavy counterweights placed at the top of the building can help to counteract any major swaying. The earthquakeresistant design of structures 2nd edition pdf file has been uploaded to our online repository for the safer downloading of the file. Before making a selection, builders should do their due diligence in researching examples of different vendors past work, including any seismic.
The report can also be downloaded in pdf form from the. A tutorial marcial blondet pontificia universidad catolica del peru gladys villa garcia m. Material choice for seismic resistant structures match. Earthquakeresistant building materials for seismically. Defects in construction, such as use of sub standard materials. Similarly, global use of steel had increased 69% from 2000 to 2010, while the use of steel in china had increased over 400% for the same period. Design examples with building design examples based on the latest edition of the nehrp recommended seismic provisions, this publication is an excellent training tool. Earthquakeresistant construction, the fabrication of a building or structure that is able to withstand the sudden ground shaking that is characteristic of earthquakes, thereby minimizing structural damage and human deaths and injuries. Plans call for edcc to sprayed onto existing walls as part of a seismic retrofit. Suitable construction methods are required to ensure that proper design objectives for earthquakeresistance are met. When the steel fabricator or erector encounters a project in a highseismic region, he should identify potential cost items that are not speci. The design of modern houses is orientated towards a. It presents seismic design and construction guidance for one and twofamily light frame residential structures that can be utilized by homebuilders, homeowners, and other nonengineers, and provides supplemental information to. Earthquake resistance techniques to protect against seismic.
Engineering group eeg leader within the materials and structural systems division of the engineering laboratory at nist. Design examples with building design examples based on the latest edition of the nehrp recommended seismic provisions, this publication is. Seismic forces are proportional to the building weight and increases along the height of building. The seismic retrofitting of reinforced concrete buildings not designed to withstand seismic action is considered. Concepts of seismic resistant design this topic introduces the concepts of seismic resistant design from a philosophical perspective. Seismic design of coldformed steel lateral loadresisting. Testing how different shapes react during an earthquake. An earthquake is born when the earths tectonic plates collide with one another, releasing an immense amount of energy through the lithosphere, creating. Seismic compliance refers to the use of approved systems and designs that meet the seismic design requirements of a building project to provide life safety to occupants and maintain building function during and after an earthquake. Requirements of this section shall also apply for lp1.
American society for testing and materials, philadelphia, pa, 1995. Excitation is an applied pressure or force on the facade. Different types of seismic control systems are used in earthquakeresistant design that serves the purpose of reducing the action of earthquake forces on the main structural system. While no structure can be entirely immune to damage from earthquakes, the goal of earthquakeresistant construction is to erect structures that fare better during seismic activity than their conventional counterparts. While no structure can be entirely immune to damage from earthquakes, the goal of earthquake resistant construction is to erect structures that fare better during seismic activity than their conventional counterparts. Seismic design specification for buildings, structures. The author also compares and contrasts various seismic resistant techniques in usa, russia, japan. Instructional material complementing fema 451, design examples.
The strong shaking compacts or densifies these materials and, in the process, forces out a portion of the water that saturates them. Dec 18, 2017 design of, construction these structures perform better during the earthquakes and give sufficient time to its dwellers to evacuate the building, besides saving lives, reducing injuries and lowering the damages of the earthquake. Earthquake resistant construction of adobe buildings. Earthquake resistant concrete keeps walls from falling. A guide for practicing engineers, gcr 1691738, nehrp seismic design technical brief no. For this reason, the nehrp recommended provisions, the international building code, and various standards are referenced directly. Earthquakeresistant structures features seismic design and retrofitting techniques for low and high raise buildings, single and multispan bridges, dams and nuclear facilities. Request pdf material choice for seismic resistant structures match large alternating plastic amplitudes during seismic events frequently result in catastrophic fractures. Seismic design of coldformed steel lateral loadresisting systems a guide for practicing engineers nist gcr 1691738 robert l. Ordinary concrete is one of the most common materials in buildings.
Pdf earthquakes are the indication of transformation in the earths internal structure. San francisco, 1906 plate tectonic cycle earthquakes 4 lab objectives. It presents seismic design and construction guidance for one and twofamily light frame residential structures that can be utilized by homebuilders, homeowners, and other nonengineers, and provides supplemental information to the 2003 edition of the international residential code. Today, in this article, we will share the earthquakeresistant design of structures 2nd edition pdf file with our valuable users. The course fee includes tuition, course materials, lunch and refreshments.
Earthquakeresistant or aseismic structures are designed to protect buildings to some or greater extent from earthquakes. Enough strength is provided to resist forces elastically. Pdf earthquake resistant design of structures a brief introduction and presentation find. Earthquake resistant design concepts another significant earthquakeinduced ground failure is soil liquefaction. A method for seismic resistance verification, compatible with recent code requirements, is also discussed. Earthquakeresistant building materials for seismically sound. To make the building earthquake resistant against seismic effect. Firstly, the motivation and the basic principle as well as methodology of the developing drsrs system are briefly illustrated. Earthquake resistant design of structures pdf download. Fema p751, 2009 nehrp recommended seismic provisions.
Earthquake resistant structures features seismic design and retrofitting techniques for low and high raise buildings, single and multispan bridges, dams and nuclear facilities. The earthquakeresistant design of structures 2nd edition pdf file has been uploaded to our online repository for the safer downloading of. Motivation, design concept and test results of shaking table tests are presented in the following chapters. Seismic requirements safeguard against major failures and loss of life they do not necessarily limit damage, maintain function, or provide for easy repair. Earthquake resistant construction requires that the building be properly grounded and connected through its foundation to the earth. Earthquakeresistant design concepts another significant earthquakeinduced ground failure is soil liquefaction. Pontificia universidad catolica del peru svetlana brzev british columbia institute of technology published as a contribution to the eeriiaee world housing encyclopedia. Seismic technical guide, suspended drywall ceiling construction, sc2495 seismic technical guide, seismic expansion joints, sc2496 seismic technical guide, compression posts, sc2497. Concentrically braced frames types of cbfs single diagonal inverted v bracing v bracing x bracing two story x bracing chevron bracing. Seismic design practice in the united states seismic requirements provide minimum standards for use in building design to maintain public safety in an extreme earthquake. Retrofitting older structures with enhanced designs or materials is as important as rebuilding new structures from scratch.
For example, if the expected life of the structure is fifty years, then it is designed to. Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Cost analyses and benefit studies for earthquakeresistant nehrp. Introduction and basic principles design of seismicresistant steel building structures 1 introduction and basic principles 2 moment resisting frames 3 concentrically braced. Design of seismic resistant steel building structures prepared by. In all cases, experimental results are used to explain the proposed methods and equations. Seismic design specification for buildings, structures, equipment, and systems. Assuming, however, that the soil beneath a structure is firm and solid, engineers can greatly improve how the buildingfoundation system will respond to seismic waves. Design of seismic resistant steel building structures. Many structures that escaped total collapse still sustained significant structural and nonstructural damages, causing a threat to the occupants and necessitating costly repairs.
Earthquakeresistant concrete keeps walls from falling. Seismic retrofitting definition, techniques using modern. Engelhardt university of texas at austin with the support of the american institute of steel construction. Steelmasters seismicresistant quonset huts tm are specially engineered to withstand the extreme forces of an earthquake, protecting both the valuable items inside and the occupants. The author also compares and contrasts various seismic resistant techniques in usa, russia, japan, turkey, india, china, new zealand, and pakistan. Lateral load resisting reinforced concrete structural systems are described followed by a consideration of the criteria governing the earthquake resistant design of buildings. Americanlifelinesalliance a publicprivate partnership to reduce risk to utility and transportation systems from natural hazards and manmade threats. High performance damageresistant seismic resistant. The need for more positive control of damage has been raised, and improved performance. Special inspections for sprayed fireresistant materials applied to floor, roof and wall assemblies and structural members shall be in accordance with sections 1705. Soil liquefaction can occur when loose saturated sands and silts are strongly shaken. Nonstructural components represent a high percentage of a projects capital investment. If a buildings foundation sits on soft or filledin soil, the whole building may fail in an earthquake regardless of the advanced engineering techniques employed. Exterior cladding components and best practices exterior.
Weight reduction can be obtained by using lighter materials or by reducing the filling and other heavy equipments not essential for building construction. Datta while numerous books have been written on earthquakes, earthquake resistance design, and seismic analysis and design of structures, none have been tailored for advanced students and practitioners, and those who would like to have most of the important aspects of seismic analysis in one place. A 30 storied building was modelled in etabs software and analysis was done for forces in low seismic zone 1, moderate seismic zone 2a, 2b and high seismic zone 3, 4 categories and applied. Seismic solutions, earthquake resistant structures. The slide shown is a ductile concrete moment resisting frame structure. Scribd is the worlds largest social reading and publishing site. Design of seismicresistant steel building structures prepared by.
Types of dampers and their seismic performance during an. An important part of this book is dedicated to the discussion of the problems of repair, retrofit and rehabilitation of existing masonry buildings. With better understanding of seismic demand on structures. Instructional material complementing fema 451, design examples design concepts 7 5 the difference between windresistant design and earthquakeresistant design for wind. Special inspections shall be based on the fireresistance design as designated in the approved construction. Many jurisdictions are still using the sstd 10 and following its prescriptive guidance for the main wind. Earthquakeresistant construction of adobe buildings.
This guide replaces the home builders guide to seismic resistant construction and all earlier versions of fema 232. Earthquakeresistant design of masonry buildings series. Today, in this article, we will share the earthquake resistant design of structures 2nd edition pdf file with our valuable users. Seismic design of coldformed steel lateral load resisting systems.
The earthquake resistant design of structures 2nd edition pdf file has been uploaded to our online repository for the safer downloading of the file. Loading is dynamic but response is nearly static for most structures. Top seismic technologies to build earthquake resistant. Code changes the third edition of the seismic restraint manual was written to be compliant with ibc 2006 and asce 705. Earthquake resistant or aseismic structures are designed to protect buildings to some or greater extent from earthquakes. Pdf construction of earthquake resistant buildings and. Then, the structural detailing and the seismic behaviors of three types of existing drsrs systems, namely, the.
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