In this article we will discuss about:- 1. Tools for Blasting 2. Materials for Blasting 3. Process of Blasting 4. Precautions. Tools for Blasting: Following tools are required in the process of blasting: (1) Dipper: This is shown in fig. 2-5 and it is used to drill a hole to the required depth. (2) Jumper: This is shown in fig. [...]
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 [...]
Get the answer of: What is the process of making and manufacturing bricks? Following considerations govern the selection of a brick field for the manufacture of bricks: (i) It should be linked up with the communicating roads so that the materials can be conveyed easily. (ii) It should be situated on a plain ground. (iii) It should be so selected [...]
Following are the five different types or Classification of cement concrete: 1. Water-Proofing Cement Concrete 2. Coloured Concrete 3. Light-Weight Concrete 4. No-Fines Concrete 5. Pre-Cast Concrete 6. Ready-Mix Concrete 7. Transit-Mix Concrete. Type # 1. Water-Proofing Cement Concrete: For certain types of works like water storage tanks, reservoirs, basement walls, roofs, swimming pools, sewage units, etc., the impermeability of [...]
Following tests are carried out in laboratory on the samples of aggregates to ascertain their some of the properties: The quality of aggregates plays a great role in the performance and long-term economy of the structure. The aggregates also bear the main stresses occurring in the R.C.C items like slab, beam, columns, etc. and resists wear from surface abrasion. The [...]
The concrete surfaces are kept wet for a certain period after placing of concrete so as to promote the hardening of cement. It consists of a control of temperature and of the moisture movement from and into the concrete. The term curing of concrete is used to indicate all such procedures and processes. Purposes of Curing: Following are the objects [...]