Learning Seismic Design from the Earthquake Itself

Atimtay, Ergin; Kanit, Recep

doi:10.1061/(asce)1084-0680(2006)11:3(149)

Cited by 8 publications

(2 citation statements)

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“…Many examples of collapsed frame structures due to the "column hinge mechanism", however, have been reported continually from earthquake disasters in recent years [1][2][3][4]. In the Wen-Chuan earthquake of magnitude 8.0 on May 12 th 2008, some frame structure buildings in high intensity regions were severely damage or collapsed due to the "column hinge mechanism" [5,6] (Figs.…”

Section: Introductionmentioning

confidence: 99%

“…In the Wen-Chuan earthquake of magnitude 8.0 on May 12 th 2008, some frame structure buildings in high intensity regions were severely damage or collapsed due to the "column hinge mechanism" [5,6] (Figs. [1][2][3][4], which have aroused further attention towards the design requirement of "strong column-week beam" in the Chinese civil engineering community. Broken column tops in a frame hall.…”

Section: Introductionmentioning

confidence: 99%

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Influence of steel bars in monolithic floor slabs on the yielding-damage mechanism of frame structures

Yuan

2009

WIT Transactions on the Built Environment

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Aiming at the seismic design requirement of "strong column-weak beam" frame structure and combined with test data analysis and computer simulation, the influence of slab bar participation on inelastic response and the yielding-damage mechanism of frame structure have been investigated. Two design schemes that considering the slab bars or neglecting the slab bars were respectively applied to an example frame building to compare the damage situations, which were simulated by the nonlinear time history analysis program SARCF (Seismic Analysis of Reinforced Concrete Frames). The research indicated that slab bars in the tensile zone have a direct enhancing action on the capacity of the frame beam resisting negative moment, which will increase with the augmentation of the monolithic deformation of the beam-slab member. The effect of slab bar participation will develop adequately after the peak ground acceleration acting on the structure reaches the level of design basic acceleration of ground motion. The design method neglecting the slab bars will underestimate the actual flexural strength of the frame beam, which will result in a change of seismic behavior of the structure from "strong column-weak beam" to "strong beam-weak column", and the probability of the change will increase with the augmentation of earthquake action.

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Section: Introductionmentioning

confidence: 99%