Various Components Of A Building
|various component of building|
Broadly speaking, a building basically consists of three parts, namely
|Various Components Of Building|
It is the lowest part of a structure below the ground level which is in direct contact with the ground and transmits all the loads to the ground.
Depending upon the type of soil existing at site, its safe bearing capacity and the type of building which is required to be constructed, a structure may need shallow or deep foundations.
|Foundation ( PCC , foundation masonary )|
2. Sub-structure (plinth)
The portion of the building between ground surrounding the building and the top of the floor immediately above the ground is known as plinth.
The level of the surrounding ground is known as ground level and the level of the ground floor of the building is known as plinth level.
|Sub Structure (Tile Flooring , Concrete Flooring , Earth Filling)|
The plinth height should be such that after proper levelling and grading the ground adjoining the building (for proper drainage) there is no possibility of the rain water entering the ground floor.
The height of the plinth should be not less than 45 cm from the surrounding ground level.
The following parts are covered in the plinth,
3. Super Structure :
It is that part of the structure which is constructed above the plinth level.
Important parts of super structure are shown in Figure and described below.
Load bearing walls transfer the load of superstructure to the plinth.
Walls are provided to enclose or divide the floor space in desired pattern. In addition, walls provide privacy, security and provide protection against sun, rain, cold, etc.
(2) Floors :
Floors are flat supporting elements of a building. The basic purpose of a floor is to provide a firm and dry platform for people and other items like furniture, stores, equipment etc.
The purpose of providing different floors is to divide the building in to different levels for creating more accommodation within the limited space.
(3) Columns :
A column may be defined as an isolated vertical load bearing member. Columns transfers load from beams to the foundation.
(4) Roof :
It is the uppermost component of a building and its main function is to cover the space below and protect it from rain, snow, sun, wind etc.
A roof can be either flat, pitched or curved in shape.
(5) Doors :
The main function of doors in a building is to serve as a connecting link between internal parts and also to allow the free movement into and outside the building.
|Door , Window , Lintel|
(6) Windows :
Windows are generally provided for the proper ventilation and lighting of a building.
As per I.S., minimum windows opening should be 10% of the floor area.
(7) Stair :
A stair is a structure consisting of number of steps leading from one floor to another floor.
The main function of stairs is two fold : firstly, to provide means of communication between the various floors and secondly that of escape from upper floors in the event of fire.
(8) Window sills :
Window sills are provided between the bottom of window frame and wall below, to protect the top of wall from wear and tear.
|window sill below window|
(9) Lintel :
The actual frame of a door or window is not strong enough to support the weight of the wall above the opening. Hence, a separate structural clement is provided over the door/windows opening. This is known as lintel, and is similar in character to a beam.
(10) Beam :
A structural member which carrier lateral or transverse forces is termed as beam. Beam transfer loads from slab to the columns or walls.
(11) Chajja or whether shades :
Chajja or whether shades are generally combined with lintels of windows to protect them from sun, rain, frost etc.
(12) Parapet wall : Parapet wall is constructed on the periphery of the roof slab to protect people from falling down the building.
Coping is provided on the top of parapet wall. It prevents entry of rainwater / moisture from top of wall and improves asthetic of a building.
(14) Building Finishes :
Building finishes are used to give protective covering to various building components and at the same time, they provide decorative effects. Building finishes consists of the following items:
|finishing of building|
- Varnishing and Polishing
- White washing
(15) Building Services:
Building services include services like
- Water supply
- Air conditioning
- Anti-termite treatment, etc.
- Fire detection and Fire control
|water suppy system|
The services like water supply, drainage and sanitation normally clubbed under the term ‘plumbing services.
From consideration of safety of the users, the planning, designing and detailing of all services also based on norms prescribed by should be done based on provisions in the National Building Code and also based on norms prescribed by various statutory municipal bodies.
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