Seismic Renewal of Civil Infrastructure Systems

by M. P. Singh, (M.ASCE), National Science Foundation, WA, United States,
S. C. Liu, (M.ASCE), National Science Foundation, WA, United States,

Document Type: Proceeding Paper

Part of: Structures Congress XII


Almost all civil infrastructure systems are vulnerable to natural hazards such as earthquakes. The paper presents a broad perspective of the research needs for seismic renewal of the infrastructure systems. A significant amount of research has been done on the basic issues of understanding the behavior of infrastructure elements subjected to earthquake loads. This basic research must, of course, continue to answer remaining problems. However, further research treating the civil infrastructure as an integrated system of nodes, connecting links and components, and not merely as isolated components, is needed for their intelligent renewal. To achieve this, the three basic elements: (1) understanding the process of deterioration and aging, (2) assessment of the capacity, or lack of capacity, to meet the demand and, (3) the renewal of the system must be thoroughly addressed and investigated.

Subject Headings: Seismic loads | Infrastructure | Earthquakes | Seismic tests | Load bearing capacity | Seismic effects | Materials processing

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