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a design procedure which combines calculation of ultimate or limit states of strength and serviceability with a probability based approached to safety.
a design procedure which combines calculation of ultimate or limit states of strength and serviceability with a probability based approached to safety.
LRFD or load resistance factor design
a steel that is commonly used to form steel beams and columns on construction projects. They are created by passing heated steel between large rollers, which deform it into the required shape, such as; H, I, W, S, C, angles,
tubes, and so on.
a steel that is commonly used to form steel beams and columns on construction projects. They are created by passing heated steel between large rollers, which deform it into the required shape, such as; H, I, W, S, C, angles, tubes, and so on.
hot-rolled steel
The top and bottom horizontal elements of the 'I'. This resists most of the bending moment experienced.
The top and bottom horizontal elements of the 'I'. This resists most of the bending moment experienced.
flange
The vertical element of steel that resists shear forces.
The vertical element of steel that resists shear forces.
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The radius of the weld point at which the flange meets the web.
The radius of the weld point at which the flange meets the web.
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the radius of the outside edge of the flange.
the radius of the outside edge of the flange.
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also known as an H beam or a universal beam, has two horizontal elements, the flanges, with a vertical
element as the web.
also known as an H beam or a universal beam, has two horizontal elements, the flanges, with a vertical element as the web.
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a steel that has a rolled section with two parallel flanges, all connected by a web. the flanges are relatively narrow. it is the first beam section rolled in America
a steel that has a rolled section with two parallel flanges, all connected by a web. the flanges are relatively narrow. it is the first beam section rolled in America
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also known as parallel flange channels (PFC). cost-effective solutions for short- to
medium-span structures. originally designed for bridges, but are popular for use in marine piers and other building applications. sometimes used as beams for light loaded beams such as purlins. It has a very little resistance to lateral forces and need to be braced.
also known as parallel flange channels (PFC). cost-effective solutions for short- to medium-span structures. originally designed for bridges, but are popular for use in marine piers and other building applications. sometimes used as beams for light loaded beams such as purlins. It has a very little resistance to lateral forces and need to be braced.
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________ beams that take an L shape, with two legs that come together at a 90-degree
angle.
________ beams that take an L shape, with two legs that come together at a 90-degree angle.
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Study Notes
Design Procedure
- Combines calculation of ultimate or limit states with a probability-based approach to safety.
- Addresses both strength and serviceability in structural design.
Steel Types and Processing
- Common steel used for beams and columns in construction projects.
- Created by passing heated steel between large rollers to achieve required shapes.
- Shapes include H, I, W, S, C, angles, and tubes.
I-Beam Specifications
- Also referred to as H beam or universal beam.
- Consists of two horizontal flanges connected by a vertical web.
- Top and bottom flanges resist bending moments.
- Vertical web element resists shear forces.
- Key dimensions include:
- Radius at weld point where flange meets web.
- Radius of the outside edge of the flange.
Parallel Flange Channels (PFC)
- Known as parallel flange channels.
- Offers cost-effective solutions for short- to medium-span structures.
- Originally designed for use in bridges, now common in marine piers and buildings.
- Suitable for light-loaded applications, such as purlins.
- Limited resistance to lateral forces necessitating bracing.
Angle Beams
- Shape characterized by an L configuration with two legs forming a 90-degree angle.
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