State-Of-The-Art of Study on Seismic Behavior of Structures in Mountainous Terrain and Establishment of the Specification for Structural Design

Abstract eng:
The rational structure model, inputting load and seismic response of structures in mountainous terrain are different from those of common structure in structure analysis and structure design due to the particularity of site and foundations with two or more different elevations. Although extensive researches on structures in mountainous terrain have been conducted, there still exist some disputable and unknown issues on seismic design. The paper presents an overview of the progress in research regarding seismic behavior of structures in mountainous terrain and recommends the special specification for structural design. Three parts of the subject are stated. The first is the introduction of the special problems existing in seismic behavior and design of structures in mountainous terrain consisting of conceptual design, anti-seismic calculation and details of seismic design. The second part encompasses the studies and shortage of these special problems such as seismic motion input, rational structure model, seismic behavior, irregularity control of plane and elevation and analytical method. Lastly, the major framework and code clauses aiming at special problems are sketched.

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