Different Types of stairs - Ishwaranand

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Different Types of stairs

Different Types of stairs

Types of stairs

  1. Straight stairs 
  2. Dog-legged stairs
  3. Open-newel stairs 
  4. Geometrical stairs
  5. Circular stair 
  6. Bifurcated stairs
  7. Escalators
  8. Ramp
  9. Lift

Straight stairs

Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

Dog-legged Stair

Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

Open-newel Stair

  • It consists of two either including straight flights arranged in such a manner that a clear space knows a well occurs between the backward plus the forward flights.
  • If the width of the staircase hall is such that that becomes difficult to accommodate the number of steps in the two flights externally exceeding the maximum allowable limit of steps in each flight a small flight of 3 to 6 steps may be provided beside the width of the hall.
  • Moving this state, the standard short flight will have quarter space landing toward its either side.
Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

Geometrical Stair

Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

Circular Stair

Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

Bifurcated Stair

  • Here type of stair is provided in modem civil buildings.
  • During this type of stairs, the flights are so arranged that there is a wide flight at the start which is sub-divided within narrow flights through the mid-landing.
  • Some two narrow flights cause from either side from the mid-landing.
Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

Escalators

  • A power-driven, inclined, continuous Stairway, used for raising or lowering passengers, is known as an escalator.
  • The main components of an escalator are a steel trussed framework, handrails and an endless belt of steps.
  • It is used in pairs.
  • One is used for carrying people up and another one is used for carrying people down.
  • It is recommended in places where the movement of large no. of people at a controlled rate in minimum available space is involved.
  • Eg. Big apartments, malls, railway stations, airports, etc.
Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

Ramp stairs

  • That is a tilted plane joining pair floors.
  • Commonly used for carrying machinery equipment, trolleys, cars to upper floors in multistoried and public buildings.
  • It is very useful for handicapped peoples for easy access to the building.
  • Dimension depends upon used.
  • Withinside ramp, a minimum slope of 1 in 10 and a max of 1 in 6 is implemented.
  • Its width limited to 2m.
Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

Lift of stairs

Types of stairs, Straight stairs, Dog-legged stairs, Open-newel stairs, Geometrical stairs, Circular stair, Bifurcated stairs, Escalators, Ramp, Lift

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