Stairs

1. 1
Practice of reinforced concrete design Staircase
Nyazi
Tawfeeg
_
5
th
Structures
 The dimensions (assuming the standard for Risers & Treads):
Staircase

2. 2
Practice of reinforced concrete design Staircase
Nyazi
Tawfeeg
_
5
th
Structures
The Design
 Design information and Assumptions:
 Other information shown and included in the attached drawings.
 & :
o
o
o
o
o
 (considering 1m width)
 BS 8110-1-1997
 Staircase
 Spanning longitudinally
 Simple
 Mild







 :
 Dead Load:
 Life Load:

3. 3
Practice of reinforced concrete design Staircase
Nyazi
Tawfeeg
_
5
th
Structures
 Design steps:
S.U.S.T
Collage of engineering
Civil Dep. (structure)
Job No. : …………
Project: …………………………………………………………………
Calculation for: ……………………………………………………..
……………………………………………………………………………….
Design Practice
Sheet No. : …………
Date: ………………….
By: ……………………..
Ref. Calculations Output
1) Design & :
o


2) Bending Moment reinforcement:







3) Recheck the deflection:


Provide
16mm@200mm c/c
(Longitudinally)
Provide
12mm@300mm c/c
(Transversely)

4. 4
Practice of reinforced concrete design Staircase
Nyazi
Tawfeeg
_
5
th
Structures
S.U.S.T
Collage of engineering
Civil Dep. (structure)
Job No. : …………
Project: …………………………………………………………………
Calculation for: ……………………………………………………..
……………………………………………………………………………….
Design Practice
Sheet No. : …………
Date: ………………….
By: ……………………..
Ref. Calculations Output
4) The shear (at the supporting beam):


5) Critical shear (at from supporting beam):



5. 5
Practice of reinforced concrete design Staircase
Nyazi
Tawfeeg
_
5
th
Structures
Detailing Drawing
The following drawing shows and details the arrangement
of the main reinforcing bars and secondary reinforcing
bar. Also details the anchorage of reinforcement and
staircase dimensions.

6. 6
Practice of reinforced concrete design Staircase
Nyazi
Tawfeeg
_
5
th
Structures