INELASTIC SEISMIC RESPONSE ANALYSIS OF ECCENTRICALLY LOADED STEEL BRIDGE PIERS
نویسندگان
چکیده
منابع مشابه
Bi-directional Seismic Analysis and Design of Bridge Steel Truss Piers Allowing a Controlled Rocking Response
4-legged bridge steel truss piers provide support for gravity, transverse, and longitudinal lateral loads of bridges. Allowing a controlled rocking response for seismic resistance of 4-legged truss piers requires the development of design equations considering ground motions in two horizontal directions and vertical excitation. First, the static kinematic and hysteretic bi-directional behavior ...
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This paper investigates a seismic retrofit technique that allows bridge steel truss piers to uplift and rock on their foundation. Displacement-based passive energy dissipation devices buckling-restrained braces, or BRBs are implemented at the uplifting location to control the rocking response while providing additional energy dissipation. The hysteretic behavior of the controlled rocking system...
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The behavior and design of four-legged controlled rocking bridge steel truss piers to three components of seismic excitation are presented in this paper. The controlled rocking approach for seismic protection allows a pier to uplift from its base, limiting the force demands placed on the bridge pier and deck, and can allow the structure to remain elastic during an earthquake, preventing damage ...
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Experimental proof is provided of an unconventional seismic design concept, which is based on deliberately underdesigning shallow foundations to promote intense rocking oscillations and thereby to dramatically improve the seismic resilience of structures. Termed rocking isolation, this new seismic design philosophy is investigated through a series of dynamic centrifuge experiments on properly s...
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ژورنال
عنوان ژورنال: Doboku Gakkai Ronbunshu
سال: 2000
ISSN: 0289-7806,1882-7187
DOI: 10.2208/jscej.2000.654_25