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Pushover analysis of building using soft story at different levels
World Journal of Advanced Engineering Technology and Sciences, 2023In India the enormous loss of life and property perceived in the last couple of decades, attributable to failure of structures instigated by earthquakes. Responsiveness is now being given to the assessment of the sufficiency of strength in framed RCC structures to resist solid ground motions.
null Amrapali Kasabe +1 more
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Los Angeles Soft Story Retrofit Benefits and Costs
2023California has several seismically dangerous building types, but soft-story woodframe buildings are so numerous and vulnerable that San Francisco, Los Angeles, Oakland, and other cities have taken the unusual step of requiring that they be strengthened to better resist earthquakes 1,2,3,4.
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Soft stories?an appropriate choice for failure theory
The Structural Design of Tall Buildings, 2000A critical review of the of the present approach to the soft story effect during major earthquakes leads to the conclusion that any method based on the usual first theory of failure (assuming that the failure occurs due to high normal stresses) is not adequate and can not predict the failure of soft stories.
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Base Isolation by a Soft First Story with Inclined Columns
Journal of Engineering Mechanics, 1999An idea of passive base isolation of buildings is explored, using inclined rubber base isolators or inclined “soft” first-story columns. Such a system behaves as a physical pendulum, “pivoted” above center of mass, and is more stable than the standard system.
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Informing a Retrofit Ordinance: A Soft-Story Case Study
Structures Congress 2012, 2012The San Francisco Community Action Plan for Seismic Safety (CAPSS), among other tasks, addressed the threat that regional earthquakes pose to 4,400 older, soft-story, highoccupancy woodframe residential buildings, like the apartment buildings that collapsed in the 1989 Loma Prieta earthquake.
Keith A Porter, Kelly Cobeen
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Investigation of Soft Story and Weak Story Irregularities on the Structures with Infill Walls
2017In this study, soft story and weak story irregularities defined in the Earthquake Code 2007 were investigated. For this purpose, five different 10-story structures with different geometries and infill walls were analyzed using the Equivalent Seismic Load Method in line with both earthquake directions.
ERTÜRKMEN, Duygu +1 more
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Structures Congress 2014, 2014
The existence of thousands of soft-story woodframe buildings in California has been recognized as a disaster preparedness problem resulting in mitigation efforts throughout the state. The considerable presence of these large multi-family buildings in San Francisco prompted the city to mandate their retrofitting over the next seven years.
John W. van de Lindt +11 more
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The existence of thousands of soft-story woodframe buildings in California has been recognized as a disaster preparedness problem resulting in mitigation efforts throughout the state. The considerable presence of these large multi-family buildings in San Francisco prompted the city to mandate their retrofitting over the next seven years.
John W. van de Lindt +11 more
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8. Design of Soft Stories—A Simplified Energy Approach
Earthquake Spectra, 1997Most specialists dealing with earthquake engineering agree that soft stories represent a major reason for buildings collapses during major earthquakes, but seismic forces acting upon soft stories have not yet been quantified. The author proposes an energy approach yielding equivalent static forces to be taken into account in the design of resisting ...
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EARTHQUAKE RETROFITTING OF “SOFT-STORY” RC BUILDINGS
Proceedings of the 8th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2015), 2023George C. Manos +3 more
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ANALISIS PUSHOVER PADA BANGUNAN DENGAN SOFT FIRST STORY
2014Ketidakberaturan konfigurasi bangunan dalam perencanaan struktur tidak dapat dihindari, termasuk ketidakberaturan kekakuan tingkat lunak yang terjadi pada lantai pertama bangunan. Melihat pengaruh desain tersebut terhadap gempa bumi, salah satu metode analisis yang digunakan adalah analisis Pushover.
Mamesah, Hizkia Yehezkiel +2 more
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