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  2. Earthquake-resistant structures - Wikipedia

    en.wikipedia.org/wiki/Earthquake-resistant...

    A steel plate shear wall (SPSW) consists of steel infill plates bounded by a column-beam system. When such infill plates occupy each level within a framed bay of a structure, they constitute a SPSW system. [8] Whereas most earthquake resistant construction methods are adapted from older systems, SPSW was invented entirely to withstand seismic ...

  3. Seismic base isolation - Wikipedia

    en.wikipedia.org/wiki/Seismic_base_isolation

    Seismic base isolation, also known as base isolation, [3] or base isolation system, [4] is one of the most popular means of protecting a structure against earthquake forces. [5] It is a collection of structural elements which should substantially decouple a superstructure from its substructure that is in turn resting on the shaking ground, thus ...

  4. Earthquake engineering - Wikipedia

    en.wikipedia.org/wiki/Earthquake_engineering

    Light-frame structures usually gain seismic resistance from rigid plywood shear walls and wood structural panel diaphragms. [54] Special provisions for seismic load-resisting systems for all engineered wood structures requires consideration of diaphragm ratios, horizontal and vertical diaphragm shears, and connector/fastener values. In addition ...

  5. Shear wall - Wikipedia

    en.wikipedia.org/wiki/Shear_wall

    Collectors, also known as drag members, transfer the diaphragm shear to shear walls and other vertical elements of the seismic-force-resisting system. Shear walls are typically made of light framed or braced wood sheathed in shear-resisting material such as plywood or other structurally rigid panels, reinforced concrete , reinforced masonry ...

  6. Seismic analysis - Wikipedia

    en.wikipedia.org/wiki/Seismic_analysis

    Seismic analysis is a subset of structural analysis and is the calculation of the response of a building (or nonbuilding) structure to earthquakes. It is part of the process of structural design , earthquake engineering or structural assessment and retrofit (see structural engineering ) in regions where earthquakes are prevalent.

  7. Eurocode 8: Design of structures for earthquake resistance

    en.wikipedia.org/wiki/Eurocode_8:_Design_of...

    EN 1998-5 establishes the requirements, criteria, and rules for the siting and foundation soil of structures for earthquake resistance. It covers the design of different foundation systems, the design of earth retaining structures and soil-structure interaction under seismic actions.

  8. Steel plate shear wall - Wikipedia

    en.wikipedia.org/wiki/Steel_plate_shear_wall

    Reduces seismic force demand due to higher SPW ductility characteristics and inherent redundancy and continuity; Accelerates structural steel erection by using shop-welded and field-bolted steel panels, and thus, less inspection and reduced quality control costs; Permits efficient design of lateral-resisting systems by distributing large forces ...

  9. Seismic retrofit - Wikipedia

    en.wikipedia.org/wiki/Seismic_retrofit

    Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes.With better understanding of seismic demand on structures and with recent experiences with large earthquakes near urban centers, the need of seismic retrofitting is well acknowledged.