CNST 202 ch1 - CNST 202 Chapter 1 Owner's needs Owner's material needs vary with Cost Strength Performance Durability Maintainability Appearance

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CNST 202 1-15-08 Chapter 1 Owner’s needs Owner’s material needs vary with: Cost Strength Performance Durability Maintainability Appearance Designers and Builders Architects and engineers specify materials to meet owner’s needs Builders follow these material specifications as part of the construction process In a “Performance spec”, the builder specifies the material Some components are built on site, and others are delivered in an assembled state Material Characteristics High Strength - needed for foundations and structural frames Moisture resistant ………. ………. Key material properties Thermal expansion - degree of dimensional change due to a change in temperature Thermal Conductivity - degree of heat movement through a material due to a temperature differential Strength - the “stress” a material can resist without failure See bottom of page 8 in book (.0000065)(12’x350’)(200-55) Strength terms Stress - the force per unit area over which the force acts Deformation - the change in outside dimensions of an object caused by a force
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This note was uploaded on 04/01/2008 for the course CNST 202 taught by Professor Seillaf during the Winter '08 term at Eastern Michigan University.

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CNST 202 ch1 - CNST 202 Chapter 1 Owner's needs Owner's material needs vary with Cost Strength Performance Durability Maintainability Appearance

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