10 Different Types of Loads on Structures | What Are Structural Loads

Introduction of Structural Loads:

What Are Structural Loads?

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Types of Loads on Structures:

  • Vertical Load.
  • Horizontal Load.
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1. Vertical Load.-

  • Dead Load.
  • Live Load.
  • Environmental Load.
  • Snow Load.
  • Impact Load.
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1.1. Dead Loads-

Plain Cement Concrete [PCC]24 kN/m3
Reinforced Cement Concrete [RCC]25 kN/m3
Steel78.5 KN/m3
Brick Masonry, cement plaster20 kN/m3
Stone Masonry24 kN/m3
Wood8 kN/m3
Floor Finish0.6-1.2 kN/m3
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Dead Load Calculation:

  • V = Indicates the volume of the structure
  • d  = Indicates the density of the material
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  • Length = 0.4 m (400 mm)
  • Breadth = 0.4 m (400 mm)
  • Height = 3 m (3000 mm)
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Dead Load Examples

  • Dead Loads on Beam.
  • Dead Loads on Slab.
  • Dead Loads on Column.
  • Walls & Flooring Cover.
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1.2. Live Loads-

 Types of Floors Minimum Live Loads kN/m2
Houses, Hospital Wards, Dormitory Floors, Office Floors2.0 kN/m22.5 kN/m2 & 4.0 kN/m22.5 kN/m2 when separate storage facility provided, otherwise 4.0kN/m2
Shops, Educational Buildings, Assembly Buildings, Restaurants4.0 kN/m2
Banking Halls, Office Entrance Halls3.0 kN/m2
Office Floors for Storage, Assembly Floor Space, Without Seating, Public Rooms in Hotels, Dance Halls, Waiting Halls5.0 kN/m2
Warehouses, Workshops, FactoriesLight Wt. Loads- 5.0 kN/m2Medium - 7.5 kN/m2Heavy - 10.0 kN/m2
Garages4.0 kN/m2 to 7.5 kN/m2
Stairs, Landings, Balconies, and Floor Corridors(not Liable to Over-Crowding)3.0kN/m2
Stairs, Landings, Balconies, and Floor Corridors(not Liable to Over-Crowding)5.0 kN/m2
Flat slabs, sloped roofsAccess Provided - 1.5 kN/m2Access not Provided - 0.75 kN/m2
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1.3. Snow Loads-

  • Roof geometry
  • Size of the structure
  • Insulation of the structure
  • Wind frequency
  • Snow duration
  • Geographical location of the structure
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Enumeration of Snow Loads on a Structure

  • S = Design snow load
  • μ = Shape coefficient
  • S0 = Ground snow load.
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1.4. Impact Load-

1.5. Environmental Loads-

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2. Horizontal Load-

  • Wind Load.
  • Earthquake Load.
  • Thermal Load.
  • Settlement Load.
  • Imposed Load.
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2.1. Wind Loads-

  • Corner streams or jets often arise around the corners of buildings.
  • Vortex shedding frequently arises within the wake of a building.
  • Through-flow, or passage-jets, that frequently arise in a passage through a building or bijou gap betwixt two buildings.
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Enumeration of Wind Loads on a Structure

  • The intensity of wind load depends upon the rate of wind, expansion & aggregate elevation of the building.
  • To calculate the aggregate wind load, the subsequent equation is required:-
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  • Up to the pinnacle of 30 m, the wind pressure is taken into account to act homogeneously. Above 30 m the wind pressure increases notably.
  • To enumerate Vz the subsequent expression is required:-
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  • k1 = Risk coefficient.
  • k2 = Coefficient based on height and structure size.
  • k3 = Topography factor.
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2.2. Earthquake Loads-

2.3. Thermal Loads-

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2.4. Settlement Loads-

2.5. Imposed Loads-

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  • Concentrated loads (or point loads): Single loads that act over a comparatively bijou area, such as column loads.
  • Line loads: Line loads deploy a load along a line, like a partition's weight on the floor.
  • Distributed (or surface) loads: These exert a load over a surface area, like the weight of floors and roofing materials.
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Some other Types of Loads

  • Foundation Movement (IS 1904)
  • Erection Load (IS 875- Part2)
  • Vibration, Fatigue
  • Soil and Fluid Pressures (IS 875- Part5)
  • Stress Concentration Effect Due to Point of Application of Load
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Types of Loads on Structures:

  • Vertcal Loads .
    • Dead Load.
    • Live Load.
    • Environmental Load.
    • Snow Load.
    • Impact Load.
  • Horizontal Loads.
    • Wind Load.
    • Earthquake Load.
    • Thermal Load.
    • Settlement Load.
    • Imposed Load.
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Live Load-

Dead Load-

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Wind Loads-

Dead Load Calculation-

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Dead Load Examples-

What Is Live Load?

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Types of Load

  • Different types of loads.
  • Dead load.
  • Live load.
  • Wind load.
  • Snow load.
  • Earthquake load.
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Types of Loading

How Many Types of Load?

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Types of Loads in Civil Engineering

  • Dead loads.
  • Imposed loads.
  • Wind loads.
  • Snow loads.
  • Earthquake loads.
  • Special loads.
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Structural Load

Types of Loads on Beams

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  • Point or Concentrated load.
  • Uniformly distributed load.
  • Uniformly varying load.
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What Are the Types of Load?

Describe Different Types of Load

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  1. Dead Load: The weight of the structure and permanent fixtures.
  2. Live Load: Dynamic loads from movable or temporary loads.
  3. Snow Load: Weight of accumulated snow on a structure.
  4. Wind Load: Forces exerted by wind on a structure.
  5. Seismic Load: Forces generated by earthquakes or seismic events.
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Horizontal Load

Load and Its Types

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  1. Mechanical Load: Mechanical loads are forces or loads that act on a physical object or structure. These can include tensile loads (pulling forces), compressive loads (pushing forces), shear loads (forces applied parallel to a surface), bending loads, torsional loads (twisting forces), and impact loads (sudden or impulsive forces).
  2. Structural Load: Structural loads are forces that act on a building or structure. This can include dead loads (permanent weight of the structure and fixed elements), live loads (temporary or movable loads such as people, furniture, or equipment), wind loads, snow loads, seismic loads, and thermal loads.
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Live Load Vs Dead Load

Even Load Examples

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What Is Load and Types of Load?

  1. Mechanical Load: Mechanical loads are forces or loads that act on a physical object or structure. This includes different types of forces such as tension, compression, shear, bending, torsion, and impact. Mechanical loads can result from static or dynamic forces and can be steady or fluctuating.
  2. Structural Load: Structural loads refer to the forces and pressures that act on buildings, bridges, and other load-bearing structures. This includes dead loads (permanent weight of the structure and fixed elements), live loads (temporary or movable loads like people and equipment), wind loads, snow loads, seismic loads (forces from earthquakes), and thermal loads (stresses due to temperature variations).
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What Are Different Types of Loads?

  • Dynamic Load: Varying forces over time, often from moving loads.
  • Impact Load: Sudden or impulsive forces, like collisions.
  • Soil Load: Pressure exerted by soil or foundation on a structure.
  • Hydrostatic Load: Forces exerted by fluids, typically water.
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Types of Load Acting on Structure

  • Thermal Load: Stresses from temperature variations.
  • Dynamic Load: Varying forces over time, often from moving loads.
  • Impact Load: Sudden or impulsive forces, like collisions.
  • Soil Load: Pressure exerted by soil or foundation on a structure.
  • Hydrostatic Load: Forces exerted by fluids, typically water.
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