Handbook for the Seismic Evaluation of Buildings
Provides a process for seismic evaluation of existing buildings in any region of seismicity. Buildings are evaluated to either the Life Safety or Immediate Occupancy Performance Level. Provides instruction to the evaluating design professional on how to determine if a building is adequately designed and constructed to resist seismic forces. All aspects of building performances are considered in terms of foundation/geologic, structural, hazard, nonstructural issues. Reflects advancements in technology; incorporates design professional experience; incorporates lessons learned during recent earthquakes; and much more.
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able to develop accordance with Section achieve the selected adequacy adjacent story analysis in accordance anchorage anchored aspect ratios axial stress Basic Structural Checklist beams bearing walls braced frames Building Type buildings being evaluated calculated in accordance Checklist For Building columns Commentary completed when required concrete shear walls cracks damage design professional develop the strength diagonal ductility earthquake Evaluation Procedure FEMA Flexible Diaphragms flexural floor and roof Force Resisting System foundation Handbook horizontal Immediate Occupancy Performance infill walls joints Lateral Force Resisting lateral-force-resisting elements lateral-force-resisting system located Masonry Shear Walls metal deck Occupancy Performance Level overturning forces pile cap plan irregularities plastic hinge precast concrete procedure of Section Quick Check procedure reinforcing steel required by Table resist seismic forces Safety and Immediate Section 4.2 selected performance level shear capacity shear strength statement shall apply statements identify issues stiffness Supplemental Structural Checklist tensile capacity Tier 2 Evaluation unreinforced masonry wood
Page 3-32 - Story A soft story is one in which the lateral stiffness is less than 70% of that in the story above or less than 80% of the average stiffness of the three stories above. 2.
Page 3-121 - ... force resisting system that forms a load path between the foundation and all diaphragm levels and that ties all of the portions of the building together. The load path must be complete and sufficiently strong. The general path is as follows: earthquake forces, which originate in all the elements of the building, are delivered through structural connections to horizontal diaphragms; the diaphragms distribute these forces to vertical resisting components such as shear walls and frames; and the...
Page 3-10 - Any profile containing soils having one or more of the following characteristics: 1. soils vulnerable to potential failure or collapse under seismic loading such as liquefiable soils, quick and highly sensitive clays, collapsible weakly cemented soils 2. peats and/or highly organic clays (H > 10 ft of peat and/or highly organic clay where H = thickness of soil) 3.
Page 3-114 - Fp shall not be taken as less than: (6.1.3-3) where: Fp = Seismic design force centered at the component's center of gravity and distributed relative to component's mass distribution. SDS ~ Spectral acceleration, short period, as determined from Sec.
Page iv - After 9/11, a team organized by the Federal Emergency Management Agency and the American Society of Civil Engineers reported evidence of very high temperatures typical of fuel fires in the debris from the building they examined.
Page 4-91 - OVERTURNING: The ratio of the effective horizontal dimension, at the foundation level of the...
Page 3-14 - LOAD PATH: The structure contains a complete load path for seismic force effects from any horizontal direction that serves to transfer the inertia!
Page 2-7 - The steel frame may provide a secondary lateral-force-resisting system depending on the stiffness of the frame and the moment capacity of the beam-column connections.
Page 3-113 - ... foot acting normal to the wall at the level of the floor or roof. (d) Level of Required Repair. Alterations and repairs required to meet the provisions of this Division shall comply with all other applicable requirements of this Code unless specifically provided for in this Division.