Seismic isolation of masonry infill walls

Ali M. Memari, M. Aliaari

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

The Seismic Infill Wall Isolator Subframe (SIWIS) system is developed for use in building frames with masonry infill walls in order to prevent damage to columns or infill walls and minimize life-safety hazards during potentially damaging earthquakes. The SIWIS system, which consists of two vertical and one horizontal sandwiched light-gauge steel plates with "rigid-brittle" elements in the vertical members, is designed to allow infill wall-frame interaction under wind loading and minor to moderate earthquakes for reduced building drift but to disengage them under damaging events. The SIWIS system acts as a "sacrificial" element just like a "fuse" to save the infill wall and frame from failure. This paper introduces the concept and presents some analytical results for the behavior of a finite element model of an infill wall with SIWIS elements.

Original languageEnglish (US)
Title of host publicationProceedings of the 2004 Structures Congress - Building on the Past
Subtitle of host publicationSecuring the Future
EditorsG.E. Blandford, G.E. Blandford
Pages155-164
Number of pages10
StatePublished - Aug 16 2004
EventProceedings of the 2004 Structures Congress - Building on the Past: Securing the Future - Nashville, TN, United States
Duration: May 22 2004May 26 2004

Other

OtherProceedings of the 2004 Structures Congress - Building on the Past: Securing the Future
CountryUnited States
CityNashville, TN
Period5/22/045/26/04

Fingerprint

Earthquakes
Electric fuses
Gages
Hazards
Steel

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Memari, A. M., & Aliaari, M. (2004). Seismic isolation of masonry infill walls. In G. E. Blandford, & G. E. Blandford (Eds.), Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future (pp. 155-164)
Memari, Ali M. ; Aliaari, M. / Seismic isolation of masonry infill walls. Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future. editor / G.E. Blandford ; G.E. Blandford. 2004. pp. 155-164
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Memari, AM & Aliaari, M 2004, Seismic isolation of masonry infill walls. in GE Blandford & GE Blandford (eds), Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future. pp. 155-164, Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future, Nashville, TN, United States, 5/22/04.

Seismic isolation of masonry infill walls. / Memari, Ali M.; Aliaari, M.

Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future. ed. / G.E. Blandford; G.E. Blandford. 2004. p. 155-164.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The Seismic Infill Wall Isolator Subframe (SIWIS) system is developed for use in building frames with masonry infill walls in order to prevent damage to columns or infill walls and minimize life-safety hazards during potentially damaging earthquakes. The SIWIS system, which consists of two vertical and one horizontal sandwiched light-gauge steel plates with "rigid-brittle" elements in the vertical members, is designed to allow infill wall-frame interaction under wind loading and minor to moderate earthquakes for reduced building drift but to disengage them under damaging events. The SIWIS system acts as a "sacrificial" element just like a "fuse" to save the infill wall and frame from failure. This paper introduces the concept and presents some analytical results for the behavior of a finite element model of an infill wall with SIWIS elements.

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Memari AM, Aliaari M. Seismic isolation of masonry infill walls. In Blandford GE, Blandford GE, editors, Proceedings of the 2004 Structures Congress - Building on the Past: Securing the Future. 2004. p. 155-164