Seismic Damage and Collapse Assessment of Composite Moment Frames

Mehanny, S. S. F.; Deierlein, Gregory G.

doi:10.1061/(asce)0733-9445(2001)127:9(1045)

Cited by 87 publications

(32 citation statements)

References 9 publications

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“…The calibration parameters of equations (1), (2) and (3) are respectively, α, β, and γ. They can be obtained through the test results or calibrated by specific members.…”

Section: Structural Damage Indexmentioning

confidence: 99%

“…According to Paulay and Priestl y [2], the strain at peak stress, ε cc , shown in Fig. (2), it does not represent the maximum effective strain, as high compression stresses can be maintained at several times larger strains.…”

Section: Reinforced Concrete Columnsmentioning

confidence: 99%

“…(1) Non-cumulative damage model [1]; (2) deformation based on damage model [2]; (3) energy based on damage model [3,4]; (4) combining deformation and energy based on damage model [5,6]. Non cumulative damage model is to calculate component damage index using the outsourcing line of maximum response ductility or carrying capacity as a basic damage, but it does not reflect the effects of cyclic loading.…”

Section: Introductionmentioning

confidence: 99%

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Local Damage Indices of Frames Consisting of Composite Beams and RC Columns

Li¹,

Sun²,

Yang³

et al. 2016

TOCIEJ

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Abstract:The study is to propose the local damage indices of composite frame structures consisting of high-strength concrete columns confined by continuous compound spiral ties and steel beams (CCSTRCS), the local damage indices would lay a foundation for the study of the overall damage indices for composite CCSTRCS frame. The Mehanny damage model has been modified to predict the local damage behavior of composite CCSTRCS frames, it enlarges the scope of application for the composite structures compared with the previous work. The proposed model is validated by comparing with the present references. The study results suggest the different components corresponding to the extent of the damage and its damage index.

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“…The calibration parameters of equations (1), (2) and (3) are respectively, α, β, and γ. They can be obtained through the test results or calibrated by specific members.…”

Section: Structural Damage Indexmentioning

confidence: 99%

Section: Reinforced Concrete Columnsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Local Damage Indices of Frames Consisting of Composite Beams and RC Columns

Li¹,

Sun²,

Yang³

et al. 2016

TOCIEJ

View full text Add to dashboard Cite

show abstract

“…It was urgent to pay more attention to the investigation of seismic behavior of these connections. Since then, researchers have extensively evaluated the inspection of affected connections, the repair of damaged connections, the upgrade of existing connections to improve their future performance, and the design of new connections to provide reliable seismic performance [15,16].…”

Section: Second Phase-prior Studies To Improve Connection Behaviormentioning

confidence: 99%

Development of Connections to Concrete-Filled Rectangular Tubular Columns

Chen¹,

Qin²,

Wang³

2015

Volume 11 Number 4

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Concrete-filled rectangular tubular column composite frame systems with steel beams have been widely used in moment-resisting frames for engineering practice. This paper reviewed a variety of connection details to concrete-filled rectangular tubular (CFRT) columns that have been developed by different researchers. The research on CFRT connections was divided into three phrases. The first phase dates back to the late sixties of twentieth century, when the steel moment-resisting frames were regarded as one of the most ductile systems. The second phase is defined as the period between middle nineties and the beginning of the twenty-first century, during the early stage of which the Northridge earthquake and Kobe earthquake occurred and the conventional knowledge of traditional connections were subverted, leading to the requirement of paying more attention to the investigation of connection behavior under seismic loading. The third phase passes through the following year up to the present. During this phase, various connection alternatives were proposed and studied. Based on the summary of previous studies, the future developments were presented at the end of the paper.

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“…Owing to the complexity of the damage mechanism, there are some differences among the models. These damage models can be categorized into three kinds: energy-based [2,3], deformation-based [4][5][6], and deformation and energybased [7,8].…”

Section: Introductionmentioning

confidence: 99%

Study on seismic damage of SRHSC frame columns

Zheng

Wang

et al. 2011

Sci. China Technol. Sci.

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The damage evolution in steel reinforced high strength concrete (SRHSC) frame columns was studied based on the test results of cyclic reversed loading experiment of 12 frame column specimens with various axial compression rations, stirrups ratios, steel rations and loading histories. The variation law of the ultimate bearing capacity, ultimate deformation and ultimate hysteretic energy dissipation of specimens under different loading protocols was obtained. The seismic damage characteristics, as well as strength and stiffness degradation, of SRHSC frame columns were analyzed. Based on the analysis of the nonlinear double parameters combination of deformation and energy, a damage model that can well reflect the mechanical characteristics of members subjected to a horizontal earthquake action was established by considering the effects of the number of the loading cycles on the ultimate resistance capacity (ultimate deformation and ultimate energy dissipation capacity) of members, and the loading history on damage, etc. According to the test results, the related parameters of the damage model were proposed. Finally, the damage model proposed was validated by the test results. Results indicated that the proposed damage model is theoretically more reasonable and can accurately describe the seismic damage evolution of the SRHSC frame columns. The results also can be used as a new theoretic reference for the establishment of damage-based earthquake-resistant design method of SRHSC members. SRHSC frame columns, experimental study, damage analysis, damage model, model parameters Citation: Zheng S S, Wang B, Li L, et al. Study on seismic damage of SRHSC frame columns.

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Seismic Damage and Collapse Assessment of Composite Moment Frames

Cited by 87 publications

References 9 publications

Local Damage Indices of Frames Consisting of Composite Beams and RC Columns

Local Damage Indices of Frames Consisting of Composite Beams and RC Columns

Development of Connections to Concrete-Filled Rectangular Tubular Columns

Study on seismic damage of SRHSC frame columns

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