Bar Bending Schedule of Staircase | Staircase Reinforcement Detail | BBS Calculation Formula | Doglegged Stair
To calculate the Bar Bending Schedule of Staircase | Staircase Reinforcement Detail | BBS Calculation Formula | Doglegged Stair, I request you to learn the Basics of Bar bending schedule and also the components of Staircase.
Stairs provide access to the various floors of the building. The stair consists of series of steps with landings at appropriate intervals. The stretch between the two landings is called flight. The Space, where stairs are provided is called staircase.
To make it ease in understanding, I am calculating the quantities of a staircase by dividing into components. BBS Calculation Formula
Components of Staircase:-
Waist slab: Waist slab refers to a slab of the stair that is inclining from the floor slab to the landing slab.
Flight: The series of steps between floor and landing.
Landing: The level of floor between flight.
Step: The step consists of Riser and tread.
Tread: The tread is the flat part that you step on.
Riser: The riser is the vertical(up and down) part between each tread in the stairway. Basics of Bar bending schedule
BAR BENDING SCHEDULE OF RCC STAIRCASE (DOGLEGGED STAIR):
PLAN OF STAIRCASE:
CROSS-SECTION OF STAIRCASE:
REINFORCEMENT PLAN OF STAIRCASE:
SHAPES OF BARS:
NO OF BARS:
CALCULATION OF BAR SHAPE NO. 1:
CALCULATION OF BAR SHAPE NO. 2:
CALCULATION OF BAR SHAPE NO. 3:
CALCULATION OF BINDER BARS:
1. Calculation of Binder Bars in Waist Slab:
2. Calculation of Binder Bars in Landing No. 1:
3. Calculation of Binder Bars in Landing No. 2:
TOTAL WEIGHT OF STAIRCASE REINFORCEMENT:
After this Article you must read: How to Calculate the Shuttering Quantity for Staircase
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