Steel Staircase Structural Design Calculation

Boards from which you plan to build the steps.

Steel staircase structural design calculation.

Steel stair design bobber1 structural 3 nov 10 10 56 if you are in seismic territory you may have to have a sliding connection at the base of the stairs so they do not absorb seismic forces and fail especially if they are part of the egress. This free stair calculator determines stair parameters such as rise total run and angle stringer length based on height run tread and headroom requirement. Design a straight flight staircase in a residential building that is supported on reinforced concrete walls 1 5 m apart center to center on both sides and carries a live load of 300 kg m 2. Staircase reinforcement calculation definition.

How to calculate number of riser and tread for a. Explore a number of building and housing related calculators as well as hundreds of other calculators involving topics such as finance math fitness health and more. Though the treads may be supported many other ways. X width of the opening total run depends on how much space you can allocate in your house for the staircase.

Z thickness of steps usually is a geometric parameter of the material e g. The stringers are notched so that the risers and treads fit into them. I know the type of loads and where to apply them so i can figure out the stringer and landing beam sizes. Steel staircase design example calculation cgstrucg structural op 2 nov 18 16 39.

Beams columns braces plate trusses and fasteners. W staircase width. Staircase with landing continuous at one end factor or structural system k 1 3 𝑑 𝐾11 1 5𝑓 𝜌 𝜌 3 2𝑓 𝜌 𝜌 1 3 2 l d basic 1 5 11 10 1 3 18 31 5 modification factor for span less than 7 m 1 00 modification for steel area provided 𝐴 𝑣 𝐴 𝑒 524 485. Stringer or string the structural member that supports the treads.

A rail fixed parallel above the pitch line at the sides of a stair. Staircase series or flight of steps between two floors. Hello i am a recent graduate structural engineer and i am given a task to design a steel staircase in the philadelphia region. Traditionally the staircase is a term for stairs accompanied by walls but contemporary usage includes the stairs alone.

A staircase is defined as set of steps from one floor to another floor or combination of riser and tread to make easy transportation from one floor to another floor in a building. There are typically two stringers one on either side of the stairs. It does not include for example cables ladders chutes grating stairs catwalks handrails or ornamental metal.