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Walls

            A wall is a structure that defines an area,carries a load,or provides shelter or security.There are many kinds of walls:

Earth,Rammed:Soils with high clay contents are pulverized moistened and dumped into frames or formed into walls.Compaction is created by ramming.These buildings are allowed to sun dry.Structurally sound and weather resistant,these buildings survive for several hundred years or more.

Brick:A block of clay hardened by drying in the sun or burning in a kiln.Bricks come in numerous shapes and sizes.Bricks come in numerous densities and hardness depending on the baking process,parent material and the material mixed with it for hardening (pebbles,hay,grass,twigs ect).

Stone:Limestone,marble,granite,sandstone and other durable rocks are used for construction.These rocks are altered and polished for specific needs and come in almost any shape imaginable.They are load bearing and durable often lasting thousands of years or more.Stone is used as facing,for internal support and augments or is augmented by brick and timber constructions. 

Timber:The most widely used material for building.It is light,durable,strong and easily managed.Woods range widely in density and durability

Depending upon the material used partition walls may be divided into the following different types:

Brick partitions:

This may be constructed with plain bricks,reinforced bricks or bricks nogged.

Plain brick partition

This type of wall is constructed by laying bricks as stretchers in cement mortar.Thus the wall is generally 10cmm(half brick)thick and plastered considerablyon both faces.If properly constructed,it is considerably strong and fire resistant.

Reinforced brick wall

The type of wall is similar to plain brick partition wall except that at every third or fourth course,the bricks are reinforced with iron straps 25 to 28mm wide and 1.6mm thick.Mild steel bars 6mm spaced at every third course of wall may be used as a substitute for iron straps.

Brick nogging type partition wall

It consists of brickwork built within a framework of wooden members.The framework consists of vertical posts called studs spaced at 60cm to 150 cm apart and held in position by horizontal members called nogging pieces.The nogging pieces are housed into the studs at 60cm to 90cm apart vertically.The function of the wooden framework is to increase stability of the wall both along the length and height and to make it more right to withstand vibrational effect produced on account of careless opening or closing of the window or door leaves.The brickwork is built by laying the brick flat or on edge and the surface is plastered from both sides.Thus the size of the studs and nogging depends upon the thickness of partition wall.For 10cm thick partition wall,the studs and nogging should be 15cm wide so that after the brickwork is plastered from both the faces,the timber framework may finish flush with the wall face.This type of partition wall suffers from the drawback of the timber getting delayed.Moreover,the mortar used may not stick well to the timber members and thus the brickwork is likely to become loose after sometime.

2.Hollow brick partition of clay,terracota or concrete

Hollow blocks moulded from clay,terracota or concrete are now commonly used for the construction of partition walls.Such walls are light,rigid,economical,strong and fire resistant.They have good sound insulating properties.The sizes of the blocks differ with the texture of the material.The thickness of this type of partition wall varies between 6cm to 15cm.these walls are constructed in similar manner as structural load bearing walls.








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