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A RCHITECTURAL S TRUCTURES : F ORM, B EHAVIOR, AND D ESIGN A RCH 331 D R. A NNE N ICHOLS F ALL 2018 lecture one structural behavior and design www.greatbuildings.com Introduction 1 Architectural Structures F2018abn Lecture 1 ARCH 331
F2018abn Introduction 1 Lecture 1 Architectural Structures ARCH 331
ARCHITECTURAL STRUCTURES: FORM, BEHAVIOR, AND DESIGN ARCH 331
FALL 2018
lecture
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– physics of forces and reactions on bodies and systems – equilibrium (bodies at rest)
– something made up of interdependent parts in a definite pattern of organization
– assessing and meeting structural requirements of parts and the whole
F2018abn Introduction 4 Lecture 1 Architectural Structures ARCH 331
– external loads and effect on deformable bodies – use it to answer question if structure meets requirements of
– other principle building requirements
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– STATICS
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– concerned with stability of components
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– deflection – deformation
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equilibrium of external forces, internal forces, stresses
cross section properties, deformations and conditions of geometric fit, strains
stress-strain relationship for each material
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Statics and Strength of Materials for Architecture and Building Construction
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– stone & masonry – timber – concrete – cast iron, steel – tensile fabrics, pneumatic structures......
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– span a roof – hold up a floor – cross a river – suspend a canopy
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http:// nisee.berkeley.edu/godden
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http:// nisee.berkeley.edu/godden
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configuration
selection
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– static, fixed, includes building weight, fixed equipment
– transient and moving loads (including
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– dynamic, wind pressures treated as lateral static loads on walls, up or down loads on roofs
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– seismic, movement of ground
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– rapid, energy loads
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– acts at a point
– acts along a “line”
– acts over an area
snow on roof or floor
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– how big is it?
– where is it? – what is the scale? – what is the size in a particular direction?
– how big are the internal forces? – how big should the beam be?
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– reference frame – measure of length, mass, time, direction, velocity, acceleration, work, heat, electricity, light – calculations & geometry