Author: haroonkhan
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Deteriorating Agencies of Stones
Various agencies which are responsible for the deterioration of stones are discussed below. 1. Rain Rain is one among the main causes for wetness on stones. This wetness is dried by the sun. The process of wetting and drying go a long way in deteriorating the stone. Gases and acids contained in rain water may…
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DURABILITY OF STONES
Durability of stones depends on the environment at which they are constructed. For proper durability assurance, it is necessary to know the agencies which deteriorate stones and to take adequate steps to preserve the quality of stone during its lifespan.
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DRESSING OF STONES
Generally the stones obtained after quarrying have a rough surface and are irregular in shape. The process of bringing the stones to a regular shape and required finish is known as dressing. The purposes of dressing are as follows: Two types of dressing are in use, viz., quarry dressing and site dressing. Quarry dressing is…
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Precautions in Handling Explosives
The explosives generally used are blasting-powder, dynamite, gun-cotton, blasting-gelatine, cordite and gelignite. From the time of getting an explosive for use, it has to be properly stored, cautiously handled and effectively utilised. The following precautious are to be meticulously adhered to: 1. Storing Explosives are stored in a specially built buildings called magazines. A magazine…
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Methods of Quarrying
The following methods of quarrying are listed based on the outcrop of the rock and the purpose for which stones are intended to be used. 1. Digging In soft rocks, stones are obtained merely by digging with the help of hand tools, viz., pick-axes, hammers, chisels, etc. Only those stones that occur in the form…
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Quarry Location
Before starting to quarry, the quarry location has to be decided based on the following factors:
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QUARRYING OF BUILDING STONES
Quarrying is the process by which stones are obtained from rock beds. Quarry is the place from where the stone is obtained. Quarrying differs from mining in which various operations are carried out for exploring minerals such as coal, quartzite, etc. from a mine under the ground.
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USEFUL BUILDING STONES
Granite Granite is used for stone columns, road metal, ballast for railways, bridge components, etc. It is found in Karnataka, Maharashtra, Rajasthan, Uttar Pradesh, Madhya Pradesh, Punjab, Assam, Tamil Nadu and Kerala. Sandstone Sandstone is used for building and ornamental purposes and also as road metal. It is available in Uttar Pradesh, Madhya Pradesh, Rajasthan,…
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PROPERTIES OF GOOD BUILDING STONES
Different civil engineering constructions use stone. It is necessary to find their suitability under different conditions. The following properties need to be examined before their use: 2.3.1 Appearance and Colour Stones must look good in appearance and be of uniform colour. Such a quality is essential for stones to be used for decoration work. Light-coloured…