OPC vs PPC – Difference Between OPC and PPC Cement

Difference Between OPC and PPC Cement

Difference Between OPC and PPC Cement The long-form of OPC is Ordinary Portland Cement and the long-form of PPC is Portland Pozzolana Cement. Generally, ISI mark on ordinary Portland cement bag is black in colour whereas the ISI mark on Portland pozzolana cement bag is red in colour. Difference between OPC and PPC cement are as follows: Manufacturing …

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Difference Between One way and Two way Slab

Difference Between One way and Two way Slab

What is the Slab? In reinforced concrete construction, the slab is an extensively used structural element forming floors and roofs. A concrete slab is the plane element having the depth d much smaller than its span and width. It may be supported by reinforced concrete beams, by masonry wall or directly by column. Difference between one way and two way slab are …

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16-Requirements of Good Building Stones

Requirements of Good Building Stones

Requirements of Good Building Stones The good quality building stone must possess a number of characters for their efficient work in building and other structures. Some important characteristics are as follows: 1. A good building stone should have a pleasing and uniform colour and free from cracks, decay, clay holes, etc. 2. A good building stone should …

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What Is Geothermal Energy? Advantages and Disadvantages.

Geothermal energy Geothermal energy is “Heat of the earth” and may be defined as naturally occurring thermal energy found within rock formations and fluids held within those formations. In the molten core of the earth, the temperature is as high as 4000 degree Celsius. Sources of this heat energy are magnetic or radioactive decay processes …

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What is Admixtures?

What is Admixtures? Admixtures are material used in concrete to modify its properties. Admixtures are materials other than cement, aggregate, and water that are added to concrete either before or during its mixing to alter its properties such as workability, curing temperature range, set time or colour. Some admixtures have been in use for a …

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Tests on Bricks

Bricks are artificial stones, these are usually made of clay. These are used in building construction and for monumental purposes. These are one of the basic material used for wall construction. These are easily available, cheap and light-weighted. Different types of bricks can be manufactured from different material such as mud bricks, refractory bricks, silica bricks, …

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Requirements of Good Quality Bricks

The good quality bricks must possess a number of the characteristic for their efficient work in building and other structures. Some important characteristics are as follows: A good brick should be uniform in shape and standard in size. The colour of the good brick should be deep red, cherry or copper in colour. A good brick should have even surface, sharp edge and compact structure. A good brick should give a …

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