10 Questions
4 disadvantage of steel as a structural materials
maintenance cost, fireproofing cost, susceptibility to buckling, fatigue
5 properties that need to be considered by designers when specifying steel construction products
strength, toughness, ductility, weldability, durability
__________ is the most common property that the designer will need as it is the basis used for most of the rules given in design codes
yield strength
the ability to resist brittle fracture are dependent on a number of factors that should be considered at the specification stage
toughness
a measure of the degree to which a material can strain or elongate between the onset of yield and eventual fracture under tensile loading
ductility
defined as the ratio of strength of the member to its maximum anticipated stress
factor of safety
a code where it reflects historically successful building practices and communicate to practicing professionals those level of safety considered acceptable by society
building codes
It provides essential insight into accepted design and construction practice in steel
specification
________permanent loads that includes the weight of structure , enclosing walls, mechanical equipment, interior finishes , etc.. _________ identified by building codes as lives or transient loads appropriate for the proposed occupancy.
dead load, live load
Also known as the Elastic Design Method wherein the working loads are estimated
WSD or allowable stress design
Study Notes
Disadvantages of Steel as a Structural Material
- 4 disadvantages of steel as a structural material
Properties to be Considered by Designers
- 5 properties that need to be considered by designers when specifying steel construction products
- Yield strength is the most common property that designers need, as it is the basis used for most of the rules given in design codes
Brittle Fracture Resistance
- The ability to resist brittle fracture depends on several factors that should be considered at the specification stage
Ductility
- Ductility measures the degree to which a material can strain or elongate between the onset of yield and eventual fracture under tensile loading
Factor of Safety
- The factor of safety is defined as the ratio of strength of the member to its maximum anticipated stress
Building Codes
- Building codes reflect historically successful building practices and communicate to practicing professionals those levels of safety considered acceptable by society
- Building codes provide essential insight into accepted design and construction practice in steel
Loads
- Dead loads include the weight of the structure, enclosing walls, mechanical equipment, interior finishes, etc.
- Live loads, also known as transient loads, are appropriate for the proposed occupancy and are identified by building codes
- The Elastic Design Method, also known as the working load method, estimates the working loads
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