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PRESENTATION ON LINTELS
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Presented By:
BIJOY SAIKIA
PRESENTATION ON LINTELS


DISCUSSION INCLUDES :-

1) INTRODUCTION
2) DEFINATION OF LINTELS
3) VARIOUS TYPES OF LINTELS
4) CONCLUSION


INTRODUCTION :-

Openings are invariably left in the wall for the provision of doors, windows, cupboards, almirahs, wardrobes, etc. And these openings are bridged by the provision of a lintel.


WHAT IS A LINTEL ?

A LINTEL is a sort of beam which is equal to the width of the wall , and the ends of which are built into the wall.


VARIOUS TYPES OF LINTELS

1) TIMBER LINTELS
2) STONE LINTELS
3) BRICK LINTELS
4) STEEL LINTELS
5) REINFORCED CONCRETE LINTELS


TIMBER LINTELS

Timber lintels are the oldest types of lintels, though they are not commonly used now a days because they are relatively costlier, structurally weak and vulnerable to fire.



STONE LINTELS

A stone lintel consists of a simple stone slab of greater thickness. These are used where stones are abundantly available . They can also provided over openings in brick walls.


BRICK LINTELS

Brick lintels are not structurally strong, and they are used where opening is less (less than 1 meter ) and loads are light.


STEEL LINTELS

Steel lintels are provided where the opening is large and where the super-imposed loads are also heavy. It consists of rolled steel joists or channel sections either used singly or in combination of two or three units.



REINFORCED CONCRETE LINTELS

Reinforced cement concrete lintels have replaced practically all other types of lintels because of their strength, rigidity, fire resistance, economy and ease in construction. They can be used on any span.

CONCLUSION

Thus a lintel is a sort of beam, the width of which is equal to the width of the wall, and the ends of which are built into the wall.
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