cc_chapter16.1-18 - CHAPTER 16 STRUCTURAL DESIGN SECTION BC 1601 GENERAL 1601.1 Scope The provisions of this chapter shall govern the structural design

cc_chapter16.1-18 - CHAPTER 16 STRUCTURAL DESIGN SECTION BC...

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CHAPTER 16 STRUCTURAL DESIGN SECTION BC 1601 GENERAL 1601.1 Scope. The provisions of this chapter shall govern the structural design of buildings, structures and portions thereof regulated by this code. SECTION BC 1602 DEFINITIONS 1602.1 Definitions. The following words and terms shall, for the purposes of this code, have the meanings shown herein. ALLOWABLE STRESS DESIGN. A method of proportioning structural members, such that elastically computed stresses produced in the members by nominal loads do not exceed specified allowable stresses (also called “working stress design”). BALCONY, EXTERIOR. An exterior floor projecting from and supported by a structure without additional independent supports. BASE SHEAR. Total design lateral force or shear at the base. BASIC SEISMIC-FORCE-RESISTING SYSTEMS. Bearing wall system. A structural system without a complete vertical load-carrying space frame. Bearing walls or bracing elements provide support for substantial vertical loads. Seismic lateral force resistance is provided by shear walls or braced frames. Building frame system. A structural system with an essentially complete space frame providing support for vertical loads. Seismic lateral force resistance is provided by shear walls or braced frames. Dual system. A structural system with an essentially complete space frame providing support for vertical loads. Seismic lateral force resistance is provided by a moment frame and shear walls or braced frames. Inverted pendulum system. A structure with a large portion of its mass concentrated at the top; therefore, having essentially one degree of freedom in horizontal translation. Seismic lateral force resistance is provided by the columns acting as cantilevers. Moment-resisting frame system. A structural system with an essentially complete space frame providing support for vertical loads. Seismic lateral force resistance is provided by moment frames.
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