Author: haroonkhan
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TYPES OF GROUND FLOORS
As the ground floor directly rests on the ground, there is no need for a sub-floor. In order to drain the water outside completely, adequate drainage arrangements have to be made beneath the floor. In normal practice, the space above the ground, up to a height of about 25–30 cm below the plinth level, called…
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Basement Floor
It is not a routine type of floor provided in every building. It is provided for a particular type of buildings like apartments, hotels and restaurants, cinema halls, etc. Selection of basement floors depends on the following factors:
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Upper Floors
Selection of a suitable type of construction for upper floors of a building depends on the following main factors:
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Ground Floors
For ground floors, the selection of the type of the wearing surface is important and the other factors which need consideration are given below:
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SELECTION OF FLOORS
In order to select a suitable type of floor construction in a building, certain factors have to be considered. Although certain points may be common for ground, upper and basement floors, some distinct different points are to be observed in certain cases.
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FUNCTIONS OF A FLOOR
A floor consists of a sub-floor and a floor covering. Sub-floor may be a base-course or a sub-grade. This is required to impart strength and stability to support a floor covering and all other super-imposed loads including live loads. Floor covering or paving or simply as flooring is the one constructed over the sub-floor and…
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INTRODUCTION
Floors are the horizontal units of a building structure which divide the building into different levels. The purpose of separation or division is to create more accommodation within a restricted space one above the other for different purposes, viz., to provide support for the occupants, to allow space for furniture and equipment, etc. Strictly, the…
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Methods of Underpinning
Several methods are available for underpinning foundations but four routine methods which are used in general are: 1. Pit Method Generally underpinning by pit method is carried out by excavating slowly in stages. For this the existing wall is divided into suitable width of about 1.20–1.50 m. Holes are made in the existing wall in…
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Precautionary Measures Before Underpinning
The following general measures should be undertaken before starting the underpinning operations: