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Seismic performance of bridges with ECC-reinforced piers by Ning Zhang; Quan Gu; You Dong; Jing Qian; Yue Zheng is a Engineering article available to read on EtoBox.

What is Seismic performance of bridges with ECC-reinforced piers about?

Engineered cementitious composite (ECC) material, which is characterized by satisfactory resilience, moderate energy dissipation capacity as well as superhigh compressive and tensile strengths, has been widely applied to civil infrastructures (e.g., bridges, buildings, and coastal structures). To identify sensitive parameters, enhance resilience, and reduce cost of the ECC-reinforced structures effectively, a sensitivity analysis framework for the ECC-reinforced structures is necessary. In this regard, a uniaxial material model for the ECC material is firstly introduced and implemented in an open system for earthquake engineering simulation platform (OpenSees). A sensitivity analysis approach for the ECC material is proposed by deriving a series of sensitivity analysis equations at structure, element, and material levels based on direct differentiation method (DDM). The sensitivity analysis approach is integrated into the OpenSees and could be used directly for the ECC-reinforced structures. At last, the proposed ECC constitutive model are validated by three benchmark examples. The performance assessment and sensitivity analysis are conducted on a prototype bridge. The analyses res

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Author

Ning Zhang; Quan Gu; You Dong; Jing Qian; Yue Zheng

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Engineering (Physical Sciences)