Estimation of hysteretic energy distribution for energy-based design of structures equipped with dampers

Gholami, Narges; Garivani, Sadegh; Askariani, Seyed Saeed; Hajirasouliha, Iman

doi:10.1016/j.jobe.2022.104221

Cited by 1 publication

(1 citation statement)

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“…However, practical engineering observations indicate that damping energy consumption only accounts for a small portion of the total energy consumption. The hysteresis energy consumption becomes the dominant factor affecting structural damage [6][7][8]. Therefore, the ability to accurately predict the energy consumption capacity of structures under earthquake forces is crucial for the implementation of energy-based seismic design.…”

Section: Introductionmentioning

confidence: 99%

Research on the Estimation Model of Energy Consumption Capacity for Reinforced Concrete Components with Axial Force

Wang,

Yan,

Zhang

et al. 2023

Advances in Civil Engineering

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The research group utilized the estimation model of energy consumption capacity for reinforced concrete components without axial force to assess the energy consumption capacity of 92-reinforced concrete components from the PEER database, which were subjected to axial force and bending. The study also examined the impact of design parameters, including longitudinal reinforcement ratio, transverse reinforcement ratio, axial compression ratio, and shear-span ratio, on the estimation results. The research findings revealed that when applying the estimation model of energy consumption capacity for reinforced concrete components without axial force to calculate the energy consumption capacity of reinforced concrete components with axial force, there was a significant deviation rate in the estimation of cumulative energy consumption. The relationship between the deviation rate of cumulative energy consumption and longitudinal reinforcement ratio, axial compression ratio, and shear-span ratio remained unclear. However, a more apparent linear relationship was observed with the transverse reinforcement ratio. By conducting a quantitative analysis of the transverse reinforcement ratio, the researchers proposed an modified estimation model of energy consumption capacity for reinforced concrete components with axial force. Nonetheless, the accuracy of the modified estimation model was found to be high within the range of 0–250,000 kN mm of cumulative energy consumption. For cumulative energy consumption exceeding 250,000 kN mm, further experimental and theoretical research is still required to enhance the reliability of the modified estimation model.

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Section: Introductionmentioning

confidence: 99%