this pp is use full for all student in civil engineering

1. Represented by:- Abdirahman Beder
muse
Roll:-08
Dhaka International University

2. 
A stair may be defined as series of steps
suitably arranged for the purpose of connecting
different floors of a building.

3. 1. Newel post :
This is the vertical member which is placed at the ends of
flights to connect handrail .
2. Run :
It is the total length of stairs in a horizontal plane, including
landings.
3. Nosing :
It is the projecting part of the tread beyond the face of the
riser.
It is rounded to give good architectural effect.
4. String Or Stingers :
These are the sloping wooden members which support the
steps in a stair .They run along the slope of the stair.

4. 5. Step :
It is a portion of stair which permits ascent & descent.
6. Tread :
It is the upper horizontal portion of step upon which the feet is
placed.
7. Riser :
The vertical portion between each tread on the stair.
8. Handrail :
A handrail is a rail that is designed to be grasped by the hand so
as to provide stability or support
9. Baluster :
It is vertical member of wood or metal supporting the handrail.

5. Handrail
Bluster
Newel
Newel cup
Risers
Noising
Tread

6.  Straight stair
 Open newel stair
 Circular stair
 Dog-legged stair
 Geometrical stair
 Bifurcated stair

7. The most obvious Use
of the straight strain
is to form an access to
Entrance, porch or
Portico.

8. Straight stair
Handrail
Address:- uttura masjid

9. • It consist of two or more , straight
Flights arranged in such a manner
That a clear space called {well}
Occurs
 This well may be rectangular or of
any geometrical shape and it can be
used for fixing lift

10. Open newel stair
Handrail
address:- permanent campus of DIU

11. It is known as spiral stair.
When viewed from top it appears
to follow a circle with a single centre
of curvature.
The spiral stairs are provided where
space available is limited and traffic is low.
These stairs can be constructed in R.C.C.,
Steel or Stone

12. THIS IS FROM INTERNET

13. It consists two straight flights of
steps with abrupt turn between
them .
Usually a level landing is placed
across the two

14. This is a similar to the open
newel stair with the difference
that he open well between
forward and back ward flight is
. curved

15. Bluster
Address:- Diu banani campus

16. •This type of stair is provided
in modern public building .
•The two narrow flight starts
from either side of the
mid-landing.

17. Bifurcated stair
Handrail
This is from internet

18.  Wooden stair
 Stone stair
 Metal stair
 Reinforced concrete
 Escalators

19. Timber is mainly used for stair construction
where fire resistance is not of much
consideration.
Timber stairs are
I. Cheap
II. Easy in construction
III. Light weight

20. Less 32 mm

21. Stair made out of hard, strong, resisting to wear
Stones are found to be durable and fire resisting.
They are commonly constructed in work shops,
Warehouses and other public buildings.

22. Stone stair this is from internet

23. A power-driving, include, continuous stair way,
used for raising or lowering the passenger
Is called an escalator
The main components of an escalator are steel
Trussed frame work and hand rails

24. Handrail
Address:- over bridge at the airport

25. Metal stair
Address:-0ver bridge in middle badda

26. Reinforced concrete
Address:- Mirpur road, Dhanmondi , Dhaka ,
Bangladesh

30. STAY HEALTHY !!!