Protective relays provide the brains to sense trouble, but they are not able to open and isolate the problem area of power system. Seismic protective systems hybrid systems seismic isolation passive damping semiactive and active systems smart materials, adaptive systems, selfcentering systems elastomeric leadrubber sliding fp constant restoring force elastoplastic metallic friction viscoelastic viscous magnetic variable stiffness. B b b b b b b b xx x x x x xx attached wall unattached wall unattached wall 600mm o. Earthquake protection systems, vallejo, california. In the event of an earthquake, the type of enclosures used to house data center equipment is often the deciding factor in whether or not the equipment will remain. This book is meant to introduce the fundamentals of earthquake protection of nonstructural elements in buildings to first time readers, wishing to get a grip of the basics of the subject. Earthquake protection systems inc in vallejo, ca 707. The company was founded by zoran petraskovic who began his career in institute for material testing ims. Provides emergency control or shutdown, and reports local xyz peak earthquake intensity data in g force. Systems comprising helical spring elements and viscodampers have proven to be particularly suitable against these effects. Summary earthquake protection of building equipment and systems presents a framework for applying the latest earthquake engineering research to the nonstructural elements of individual building projects, concentrating on mechanical and electrical systems. Case studies on the seismic protection of equipment in essential buildings c. For systems and equipment in buildings that have a performance objective higher than lifesafety, the designer should show a ga classification for the items under sd02 shop drawings in the submittals paragraph. An earthquake is a sudden, rapid shaking of the earth caused by the shifting of rock beneath the earths surface.
Recommended earthquake safety actions federal, state, and local emergency management experts and other official preparedness organizations all agree that drop, cover, and hold on. Oct 11, 2002 since the publication of the successful first edition of earthquake protection there have been 110 lethal earthquakes, killing 000 people. With these construction methods and welltrained and competent personnel, a highly economical result can be achieved. Advanced earthquake topic 15 7 slide 3 instructional material complementing fema 451, design examples seismic isolation 15 7 3 outline seismic base isolation configuration and qualitative behavior of isolated building objectives of seismic isolation systems effects of base isolation on seismic response implications of soil conditions. Buildings earthquake protection systems united states.
Adhere to ufc 002 unified facilities guide specifications ufgs format standard when editing this guide specification or preparing new project specification sections. Understanding enclosure standards is critical to protecting equipment. The density may be approximated as unity, and the less significant. Mare island, vallejo, california suggest new definition this definition appears somewhat frequently and is found in the following acronym finder categories. Follow all safety requirements as required by code, including those listed below. Control rooms, industrial processes, systems, motors, electronic doors, personnel safety alarms via existing p. Protection system adopted for securing protection and the protection scheme. Concrete stairways often suffer seismic damage due. Recommended earthquake safety actions federal, state, and local emergency management experts and other official preparedness organizations all agree that drop, cover, and hold on is the. Fire protection systems back in 1992, many fire sprinkler contractors have been missing opportunities to grow their inspection business due to their lack of knowledge of the requirements and frequencies in the standard.
Building utility systems these are typically builtin nonstructural components that form part of the building. The october 1989 loma prieta earthquake destroyed the cathedrals predecessor. But, the situation is not encouraging in many other countries, like india, where earthquake safety of buildings is. System dc 90 ltd specializes in developing, manufacturing and testing seismic protection and damping equipment. Completed in 2008, the skidmore owings and merrill designed replacement cathedral is an award winning lightfilled wood and glass masterpiece.
Ethnoeco gospojin vir is a nonprofit nongovernment association of citizen, formed in 2003rd with aim to contribute to development of dobra village, preserve ethnological values and work on nature preservation in wider area of the village. The absence of damage is of primary importance for some types of structures, such as. Structure protection systems system dc 90 ltd specializes in developing, manufacturing and testing seismic protection and damping equipment. Earthquake protection encyclopedia of life support systems. Mar 25, 2014 earthquake protection of building equipment and systems presents a framework for applying the latest earthquake engineering research to the nonstructural elements of individual building projects, concentrating on mechanical and electrical systems. Rank fatalities year earthquake country magnitude 1 242800 1976 tangshan china 7. High voltage reactors with earthquake protection california, usa transformer platform on bcs california, usa seismic qualification 0. Projects and clients eps has three principal engineers each of whom has 30 years professional experience specializing in implementing stateoftheart.
Fire service features of buildings and fire protection systems osha. Sistem dc90seismic dumpersprotection against earthquakes. An electrical danger instruction chart is provided page 160 as a basic guideline. Earthquake protection systems eps proposes to build 400,000 square feet of buildings for manufacturing, office, and commercial use. Design on building fire protection and prevention in china. Hakuno encyclopedia of life support systems eolss 3 finally, the results obtained from the earthquake damage study are used to establish earthquakeresistant design aiming at preventing destruction or at least minimize damage. Unescoeolss sample chapters hydraulic structures, equipment and water data acquisition systems vol. Marinartieda1 abstract this paper summarizes the initial developments of a research program that is underway to evaluate the efficacy of passive settings to seismically protect sets and pieces of equipment of essential facilities. But large numbers of buildings exist in earthquake zones that dont have builtin protection.
The requested 52 acre site is between azuar drive and walnut avenue, at the northwest corner of reuse area 1a. Requiring no electrical power supply or any other form of drive or control mechanism they are immediately effective when an earthquake strikes. Tuned mass control systems put safety first tuned mass control systems tmcs provide passively working earthquake protection. Examples include mechanical and electrical equipment and distribution systems, water, gas, electric, and sewerage piping and conduit, fire suppression systems, elevators or escalators, hvac systems, and roofmounted solar panels. Non structural isolation systems for seismic protection. When isolating an entire structure is not an option, or required dynamic isolation systems dis has a number of solutions to protect vital equipment and artwork from the damage or downtime caused by a seismic event. Earthquake protection of building equipment and systems. Mare island, vallejo, california somewhat frequently.
Isolated building, onassis home of letters and fine arts, athens. Were just as susceptible today to the aftereffects of powerful earthquakes. Seismic isolators earthquake protection systems united. Ii tsunamis and tsunamiwarning systems william mansfield adams, sr. Weak storey when introduction to the earthquake protection of nonstructural elements in buildings is provided by murty et al. If anything, the problem has become worse as more people live in urban environments and. It can be estimated that the ramm seismic protection system can reduce costs by at least 25%. Nowadays, in order to provide effective actions against disasters, complex disaster management systems have evolved throughout europe, and protection has become an allsociety task. Introduction to earthquake protection of non structural. Pdf introduction to earthquake protection of nonstructural. Safety requirements an integrated and consistent set of safety requirements establishes the requirements that must be met to ensure the protection of people and the environment, both now and in the future. Earthquake protection with isolators in the basement the quality and efficiency of the proposed protection systems are validated via the most uptodate methods of computer modelling. Earthquake safety earthquake preparedness red cross. Protective relays, associated communication systems, voltage and current sensing devices.
Recommended earthquake safety actions federal, state, and local emergency management experts and other official preparedness organizations all agree that drop, cover, and hold on is the appropriate action to reduce injury and death during earthquakes. Martelli head, section on prevention and mitigation of natural risks, technicalscientific unit on protection and development of the environment and territory, environmental technologies, italian agency for new technology, energy and the environment ente. Could this new antiearthquake technology protect cities from. The density may be approximated as unity, and the less significant kinetic energy that. Products earthquake protection systems united states. The seismic protection of the structures is one of the most attractive goals of the structural engineers in order to save lives and minimize damages to structures in case of earthquakes of high intensity. Downloads maurer structural protection systems pdf, 3 mb english.
Page 5 maurer seismic protection systems as already mentioned in chapter 2. On the other hand, as the damping ratio is increased from 5% to 30%, the peak displacement of all of the inelastic systems reduces by about 30 to 40%. Earthquake protection systems, which also operates under the name e p s, is located in vallejo, california. Since the 2000 zoran petraskovic has invented and developed a number of seismic protection devices, including metal hysteresis devices now used throughout. Earthquake hazard mitigation for nonstructural elements. Eps is one of the leading manufacturers of seismic isolation bearings in the world. Fema e74 reducing the risks of nonstructural earthquake. Since the publication of the successful first edition of earthquake protection there have been 110 lethal earthquakes, killing 000 people. Protecting cities from earthquakes is still a grand challenge that needs addressing, as recent disasters in nepal, japan, haiti, and chile show. Earthquake safety systems, inc apollo series 2100 seismic. Civil engineering structures located in environments where earthquakes or large wind forces are common will be subjected to serious vibrations during their lifetime. Guidebook for earthquake protection for nonstructural. The worlds largest governments and corporations in 32 countries rely on eps engineered seismic solutions to protect their most important buildings, bridges, and industrial facilities.
Eps is defined as earthquake protection systems, inc. The resulting flexibility permits the selection of a variety of design options. When exposed to the sudden lateral forces produced by seismic waves, even modern buildings and bridges can fail completely and collapse, crushing the people in, on and around them. Earthquake protection systems eps is relying on cylinders, pumps, and valves from eaton s hydraulics operations to test its friction pendulum seismic isolation bearings that decouple structures from their foundations during seismic events, thereby preventing catastrophic damage. Introduction to earthquake protection of nonstructural. This book is meant to introduce the fundamentals of earthquake protection of nonstructural elements in buildings to first time readers, wishing to get a.
Could this new antiearthquake technology protect cities. They strike without warning, at any time of year, day or night. Concrete stairways often suffer seismic damage due to their. Tsunamiwarning systems william mansfield adams, sr. Maurer maurer earthquakeseismic protection systems. Mehta countries with advanced seismic safety initiatives have managed to reduce losses due to building. Earthquake protection systems inc in vallejo, ca 707 6445993.
Trends in earthquake protection of nonstructural systems. Since nonstructural failures have accounted for the majority of. Earthquake protection of building equipment and systems presents a framework for applying the latest earthquake engineering research to the nonstructural elements of individual building projects, concentrating on mechanical and electrical systems. The company has been designing, manufacturing and testing friction pendulum seismic isolation bearings since 1985. This organization primarily operates in the bearing and bearing race forgings, nonferrous business industry within the fabricated metal products sector. Protecting data centers from seismic activity understanding. Earthquake protection for buildings and other structures peter nawrotzki gerb vibration control systems, berlin essen, germany peter. Earthquake protection of building equipment and their systems. Significant progress has been made in understanding seismic activity and in developing building technology but we still dont have a satisfactory way of protecting buildings on a large scale for new buildings, antiseismic. Tumbling objects due to an earthquake guidebook for earthquake protection for nonstructural members of school facilities in march 2010 and supported their efforts.
1379 114 629 108 1044 1120 1369 300 1197 122 691 366 1489 4 189 191 464 38 1554 1274 1484 385 173 801 1253 1287 1359 67 1254 1102 809 1335 1047 905 677 1256 1126 65 199 475 1208