7. 1) Steel is commonly used as a
construction over a century.
2) Steel available in various grade.
3) Steel available in different section for
design of steel section.
82. 2) Steel Roof Truss
i)Truss is framed structure.
iii)In the area of heavy rainfall.
ii)It consists of different member like principal rafter main tie, struct.
FUNCTION
To provide roof(cover) to the structure
84. 3)Water Tank
1)They may circular rectangular or spherical in shape.
2)They may be resting on ground or to be elevated.
FUNCTION
85. To contain the material
4) Bridges
1)The truss & plate girder bridge are commonly used for small to moderate span.
2)Cable stayed & suspension bridge for long span.
86. FUNCTION
1)To provide the runway.
2)To facilitate transportation across river & valleys.
5) Chimneys
87. 1) Steel chimney
2) Steel stack are constructed for emissions of fuel or gas higher in the atmosphere to
reduce pollution.
FUNCTION
For venting hot gases & smoke.
88. 6)Crane Grider
The travelling overhead cranes are commonly used in workshop & factories.
FUNCTION
To lift & transfer heavy machine & material from one place to another.
89. 7) COLUMN
Column is a vertical compression member carrying loads & moments
through beams .
FUNCTION
To give the support
90.
91. TYPES of Load Acting on
Steel
structure
1)Dead Load (IS 875:1987 Part 1)
94. a)It is a self weight of structural member
constant in mangitude & fixed in position.
b)Dead load is also called as fixed load.
c)It include weight of roof
covering,purlin,truss, beam, column.
d) Steel Density-78.5KN/M^3
99. 1)Wind pressure exerted on structure is called as wind
load.
2)Wind Load depends on /factor affecting
a) Shape of the structure
b) Height of structure
c)Wind Velocity