ARC5554-FALL2024_LECTURE-13_STEELCONNECTIONS_METAL+DECKS_OPENWEBJOISTS

Bolting

A method of connecting steel members using bolts.

Welding

A method of joining steel elements by heat, typically using electric arc welding.

High Strength Bolts

Bolts made from medium carbon steel, offering several times the tensile strength of ordinary bolts.

Unfinished bolts

Common bolts made from low carbon steel used for lightweight construction, also known as A307 bolts.

Friction type bolts

High strength bolts tightened to produce a sizable tension force for high friction resistance.

Simple Connections

Connections that allow free rotation, providing no resistance to moment.

Semi-Rigid Connections

Connections that provide partial moment resistance, ranging from 20% to 90%.

Rigid Connections

Connections that do not allow rotation and provide complete moment resistance.

Shear Studs

Devices used to create composite action between steel beams and concrete slabs.

Composite Members

Steel beams that act together with cast in place concrete for increased loading capacity.

Metal Fatigue

The weakening of metal due to repeated stress or strain over time.

Corrosion

The gradual destruction of materials, usually metals, due to chemical reactions with the environment.

Tensile Strength

The maximum amount of tensile (pulling) stress a material can withstand before failure.

Yield Strength

The stress at which a material begins to deform plastically and will not return to its original shape.

Ultimate Strength

The maximum stress a material can withstand before failure occurs.

Shear Strength

The ability of a material to resist shear forces that can cause slipping or sliding.

Elasticity

The ability of a material to return to its original shape after the stress is removed.

Plasticity

The ability of a material to undergo permanent deformation under applied stress.

Bending Moment

The internal moment that induces bending of a structural element.

Load-Bearing Capacity

The maximum load a structure can support safely without collapse.

Definition of Structural Steel

Steel used for construction of buildings and other structures.

Types of Structural Steel

Common types include wide-flange beams, angles, channels, and plates.

Load Types

Dead load, live load, wind load, and seismic load are the primary types of loads on structures.

Deflection

The displacement of a structural member under load.

Buckling

Failure mode of a structural member subjected to compressive stress.

Moment of Inertia

A measure of an object's resistance to bending or twisting.

Beatification of Steel,

The process of improving the structure of steel with advanced techniques.

Steel Reinforcement

Steel bars or mesh used to enhance the tensile strength of concrete.

Cold-formed Steel

Steel that is shaped using processes performed at room temperature.

Welded Steel Components

Steel parts joined together using welding methods.

Shear Force

A force that causes parts of a material to slide past one another.

Concreting Techniques

Methods used to pour and finish concrete in construction.

Pre-stressed Concrete

Concrete that is intentionally placed under compression to counteract tensile forces.

Thermal Expansion

The tendency of materials to change in shape or size due to temperature changes.

Load Distribution

How loads are spread across a structure.

Redundancy in Structures

The inclusion of extra elements to ensure stability if one element fails.

Architectural Loads

Loads related to the architecture, like walls and roofs.

Foundation Types

Shallow and deep foundations support structures based on soil conditions.

Construction Safety Protocols

Guidelines to ensure safety during construction activities.

Environmental Impact of Structures

The assessment of how construction affects the environment.

Sustainability in Construction

Building methods that minimize environmental impact and resource use.

Coefficient of Expansion

Amount a material expands per unit length for each degree of temperature change.

Design Loads for Bridges

Specific loads that a bridge must be designed to support.

Cantilever Beams

Beams that are anchored at one end only.

Retaining Walls

Structures designed to retain soil at specific slopes.

Cross-Sectional Area

The area of a cut surface of a material perpendicular to its length.

Load Path

The route through which loads are transferred in a structure.

Building Codes

Laws and regulations that govern construction standards.

Structural Analysis

The determination of the effects of loads on physical structures.

Tensile Testing

A mechanical test that determines how a material will behave under tension.

Concrete Curing

The process of maintaining adequate moisture, temperature, and time to ensure hydration of cement.

Zoning Regulations

Local laws that govern how land can be used.

Retrofitting

Reinforcing existing structures to make them more resilient to loads.

Earthquake Engineering

The study of the behavior of structures during earthquakes.

Acoustic Performance of Materials

How materials affect sound transmission.

Vibration Control in Structures

Techniques to minimize structural vibrations.

Moisture Control in Construction

Methods used to prevent moisture-related damage to structures.

Serviceability

The ability of a structure to remain functional under normal conditions.

Fire Resistance of Materials

The ability of materials to withstand fire without losing structural integrity.

Prefabrication in Construction

The process of manufacturing components in a factory before assembly on-site.

Construction Project Management

The planning, coordination, and control of a construction project from inception to completion.