Seismic Prevention, Structural Analysis and Rehabilitation of Reinforced Concrete Structures

Dear Colleagues,

Modern codes for the design of reinforced concrete (RC) structures are based on the capacity design philosophy, emphasizing the hierarchy of structural members’ strength and ensuring controlled and hierarchically developed damage during strong seismic events. Thus, a predetermined acceptable level of structural damage is expected, even in the event of the occurrence of the design earthquake. This damage, however, allows for the effective dissipation of seismic energy, while the structural integrity and bearing capacity are both preserved. Furthermore, earthquake damages are repairable.

A different perspective with respect to the conception of modern codes includes the isolation of the superstructure from the foundation. The latter prevents the significant damaging of the superstructure.

Contrary to the modern RC structures, the poorly detailed existing ones built in the 1950s–1970s period or earlier were designed mainly for gravity loads, thus possessing numerous structural deficiencies and exhibiting poor hysteresis behavior dominated by premature brittle failure modes.

Indisputably, a thorough analytical and experimental investigation of the effectiveness of conventional and innovative repair and strengthening methods is particularly important, given the high economic and environmental cost of demolishing and rebuilding. Moreover, the earthquake-resistant rehabilitation of existing substandard RC structures is related to life safety and, hence, would have a tremendous social impact, too.

This Special Issue aims to provide a significant impetus in the understanding of the failure mechanisms developed in RC members of both the modern and the existing substandard RC structures during strong earthquakes, as well as to propose solutions to prevent premature, brittle failures of RC members, particularly of the most vulnerable ones (short).

The topics covered are as followed:

• experimental and analytical investigation of the seismic behavior of substandard, modern, and retrofitted RC members
• research of the effectiveness of retrofit schemes, which includes the use of innovative materials and techniques.

Dr. George Kalogeropoulos
Prof. Dr. Alexandros-Dimitrios Tsonos
Prof. Dr. Constantin Chalioris
Guest Editors

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• experimental tests
• analytical and numerical modeling
• retrofit
• seismic isolation
• structural analysis
• innovative materials
• steel fiber concrete
• FRP
• steel fiber concrete