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italy_reinforced_concrete.pdf

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World Housing Encyclopedia Report Country: Italy Housing Type: Reinforced concrete frame building Contributors: Maurizio Leggeri Giuseppe Lacava Eugenio Viola Primary Reviewer: Craig Comartin Created on: 6/5/2002 Last Modified: 7/2/2003 This encyclopedia contains information contributed by various earthquake engineering professionals around the world. All opinions, findings, conclusions, and recommendations expressed herein are those of the various participants, and do not necessarily reflect t
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  World Housing Encyclopedia Report Country: Italy Housing Type: Reinforced concrete frame buildingContributors:Maurizio LeggeriGiuseppe LacavaEugenio ViolaPrimary Reviewer:Craig ComartinCreated on: 6/5/2002Last Modified: 7/2/2003 This encyclopedia contains information contributed by various earthquake engineering professionalsaround the world. All opinions, findings, conclusions, and recommendations expressed herein are thoseof the various participants, and do not necessarily reflect the views of the Earthquake EngineeringResearch Institute, the International Association for Earthquake Engineering, the Engineering InformationFoundation, John A. Martin & Associates, Inc. or the participants' organizations.  Table of Contents General Information............................................................................................1Architectural Features........................................................................................ 3Socio-Economic Issues......................................................................................4Structural Features.............................................................................................6Evaluation of Seismic Performance and Seismic Vulnerability.......................... 10Earthquake Damage Patterns............................................................................12Building Materials and Construction Process.....................................................13Construction Economics.....................................................................................15Insurance............................................................................................................16Seismic Strengthening Technologies.................................................................17References.........................................................................................................18Contributors........................................................................................................19Figures................................................................................................................20  1 General Information 1.1 Country Italy 1.3 Housing Type Reinforced concrete frame building 1.4 Summary This building type is commonly used formulti-family housing in urban areas of Italy andis particularly common for the region of Potenza(Basilicata). Prior to 1981, this region was notincluded in the official seismic zonation map ofItaly, in spite of the historic evidence. However,after the major earthquake of November 1980the entire Potenza province was recognized as aseismically prone area. Consequently, seismicconsiderations were not taken into account for inthe building design projects predating the 1980earthquake. The main load-bearing structure isreinforced concrete frame with masonry infillwalls. Many buildings of this type werestrengthened using the financial assistanceprovided by the Government. The upgradetypically consists of installing new shear walls,L-shaped columns and strengthening thefoundation. FIGURE 1A: Typical Building  1.5 Typical Period of Practice for Buildings of This Construction Type How long has thisconstruction been practiced< 25 years< 50 years X< 75 years< 100 years< 200 years> 200 yearsIs this construction still being practiced? Yes NoX Additional Comments:   This building type is common in the cities, when the area was not the officialseismic zone (pre-1980). 1.6 Region(s) Where Used In many cities throughout Italy. 1.7 Urban vs. Rural Construction Where is this construction commonly found?In urban areas XIn rural areasIn suburban areasBoth in rural and urban areas Page 1  Additional Comments:   This type of construction is also present in suburban areas.Page 2

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