Substitutes or Alternatives of Bricks used for Construction in India! According to one study, our country needs about 60 billion bricks every year and if no suitable substitute is found out, this would exhaust about 1600 x 106 kN of clay fields or other agricultural land annually. It will thus make barren about 3000 hectares of fertile land. The extent [...]
Learn about the comparison or differences between clamp-burning and kiln burning of bricks. Comparison # Clamp-Burning: 1. Capacity: About 20000 to 100000 bricks can be prepared at a time. 2. Cost of Fuel: Low as grass, cow dung, litter, etc. may be used. 3. Initial Cost: Very low as no structures are to be built. 4. Quality of Bricks: The [...]
The use of lime as a cementing material has been made since ancient times. The Egyptians and Romans made remarkable application of this material for various constructional purposes. Even in India, the various engineering structures such as big palaces, bridges, temples, forts, monuments, etc. were constructed with lime as a cementing material and some of these structures still exist in [...]
The upcoming discussion will update you about the difference between fat lime and hydraulic lime. There are mainly two varieties of limes, namely, fat lime and hydraulic lime. Difference # Fat Lime: 1. Composition: It is obtained from comparatively pure carbonate of lime containing only 5 per cent of clayey impurities. 2. Slaking Action: It slakes vigorously. Its volume is [...]
Following are the qualities or characteristics or requirements properties of a good building stone: 1. Crushing Strength: For a good structural stone, the crushing strength should be greater than 100 N/mm3. The approximate values of crushing strength of some of the stones are shown in table 2-1. 2. Appearance: The stones which are to be used for face work should [...]
In this article we will discuss about:- 1. Definition of Quarrying 2. Sites for Stone Quarrying 3. Important Considerations 4. Methods. Definition of Quarrying: The process of taking out stones from natural rock beds is known as the quarrying. The term quarry is used to indicate the exposed surface of natural rocks. The stones, thus obtained, are used for various [...]
In this article we will discuss about:- 1. Manufacture of Common Tiles 2. Characteristics of a Good Tile 3. Types. Manufacture of Common Tiles: Following four distinct operations are involved in the general process of manufacturing the common tiles: (i) Preparation of clay (ii) Moulding (iii) Drying (iv) Burning. Each of the above operation will now be briefly treated. (i) [...]
List of commonly used ceramic products. Ceramic Product # 1. Clay Products: The clay occurs plenty in nature. The clay is a distinct product of chemical weathering of igneous rocks. The felspar is predominant in igneous rocks. One of the variety of felspar is orthoclase felspar. It is whitish, greyish or pinkish in colour. The rocks disintegrate easily, if orthoclase [...]
In this article we will discuss about:- 1. Meaning of Bricks 2. Composition of Good Brick Earth 3. Harmful Ingredients in Brick Earth 4. Classification of Brick Earth 5. Qualities of Good Bricks 6. Factors Affecting Quality of Bricks 7. Tests for Bricks 8. Classification of Bricks 9. Uses of Bricks 10. Colours of Bricks 11. Size and Weight of [...]
Learn about the comparison between brickwork and stonework. The brickwork is superior to the stonework in the following respects: (i) At places where stones are not easily available but where there is plenty of clay, the brickwork becomes cheaper than stonework. (ii) The cost of construction works out to be less in case of brickwork than stonework as less skilled [...]