Seismic Performance of Internal Partition Walls with Slotted and Bracketed Head-Tracks

Bhatta, Jitendra; Dhakal, Rajesh; Sullivan, Timothy J.; Bartlett, Jordan; Pring, Glen

doi:10.1080/13632469.2022.2137709

Cited by 2 publications

(2 citation statements)

References 28 publications

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“…For example, fully floating ceilings with shock absorbers along the perimeter was found to resist much larger floor accelerations without any damage in comparison to traditional perimeter fixed grid ceilings [8]. Similarly, novel designs to accommodate higher drift demands (in excess of what structures are designed for) by rocking have been developed and validated for internal partitions and external claddings [9][10][11]. Note that the enhancement in drift/acceleration capacity of NSEs in these innovative solutions have been achieved by reconfiguring the connections without the use of significant additional/costly materials.…”

Section: Improving Seismic Performance Of Nsesmentioning

confidence: 99%

“…Hence, seismic performance of non-structural elements (SPONSE) needs to improve in order to minimize financial loss in future earthquakes. Unsurprisingly, awareness of the importance of SPONSE research has significantly increased in NZ in the recent years [1][2][3], and researchers are striving to identify and amend the inherent weaknesses in the current design and installation practices [4][5][6][7] and to develop low-damage solutions for key NSEs [8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

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Seismic design of buildings: Where to next?

Dhakal

2024

BNZSEE

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This paper critically reviews the current building seismic design approach based on the observed performance of modern building stock in recent earthquakes, highlights the inability of the current design approach in controlling seismic damage and losses, and proposes a conceptual framework for next generation seismic design codes that is likely to meet public expectations. In addition to ensuring life-safety in rare earthquakes, the proposed loss-optimization seismic design approach also aims to ensure quick functional recovery and minimum loss (i.e. repair, downtime, and injury/fatality) in moderate-strong earthquakes by limiting damage to building’s structural and non-structural components. Based on comparison of performances of building stock in some recent major earthquakes in different countries, the paper presents some simple strategies to render buildings more resilient and suffer significantly less seismic damage (and consequentially incur less loss). Finally, the paper scrutinizes the efficacy of some commonly used low-damage technologies in minimizing building seismic losses.

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