Objective To calculate the strength or grade of the material To assess the water absorption of aggregates Apparatus The apparatus includes the following: (a) An equilibrium of capability about 3kg, to weigh precise 0.5g, and of such a variety and shape as to allow the weighing of the specimen container when discharged in water. (b) […]
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Physical and Chemical Properties of Ordinary Portland Cement (OPC) of different grades: Type of Cement 33 Grade (IS: 269-1989) 43 Grade (IS:8112-1989) 53 Grade (IS: 12269-1987) Physical Properties Minimum Compressive Strength, N/mm2 3 day 16 23 27 7 day 22 33 37 28 day 33 43 53 Fineness Minimum specific surface (Blaine’s air permeability) m2/kg […]
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Chemicals used for Anti termite treatment: 20 EC Chlordane Heptachlor Aldrin Dildrin Chloropyripas Equipment: Sprayer Pouring Jar Plastic drums of 20 liters capacity Crow bar Measuring Jar Working Procedure: The anti termite treatment has to be carried out by a standard professional agency. The ground surface has to be thoroughly cleaned and dusted off from […]
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A water tank is generally used for storing of water to make usage for the daily requirements and chores. Generally, water tanks can be distinguished in three main heads: Tanks rested on ground level Underground tanks Elevating tanks supported through staging On the basis of shape, water tanks are of different types, such as: Rectangular […]
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Reasons for mechanization in the Construction Industry The work can be performed rapidly. The projects are completed in the given time Big quantity of materials can be managed, so the size of the projects can be made bigger Intricate projects which involve good quality material Proper and high quality standards can be maintained Schedule of […]
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Many countries today are facing the problems brought by rotting reinforced concrete infrastructures. This often calls for expensive repairs and replacement of these structures – in some cases, after a very short period of installment. Due to these problems, government bodies are not demanding a greater attention and emphasis on life cycle costs for new […]
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Compaction refers to the pressing of soil particles near to each other by automatic techniques. The air throughout compaction is barred from the empty space in the soil mass and as a result the mass density is greater than before. Compaction is carried out to perk up the engineering characteristics of the soil. Compaction of […]
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The breakdown regularly appears as a dynamic de-holding of the plaster of mortar/cement from the surface of the solid and for the most part begins with the development of little hollow zones. This condition for the most part weakens until the plaster on an entire divider gets to be unbonded and lumps exteriorly. On soffits, […]
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