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| Q : |
What is Carpet Area, Built-Up Area & Super Built Up Area? |
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Carpet area is generally considered as the usable area in exclusive possession of a person which will also include lavatory block, door jambs etc. It is measured from finished wall to finished wall above the skirting for rooms and above the dado in case of lavatory block.
Built-up area can be defined as the carpet area plus the area of the walls.
Super-built up area includes the built-up area plus common areas, such as, staircases and lift-rooms.
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| Q : |
What is Cement? |
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Cement can be defined as an inorganic chemical powder possessing excellent adhesive and cohesive properties that enable it to bond with other materials in presence of water.
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| Q : |
What are the raw materials used for manufacturing of Cement? |
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The main constituents of cement are Calcium, Silicon, Aluminium and Iron Oxide. Hide Answer |
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| Q : |
Which cement should I purchase for constructing the house? |
| A : |
Blended cement (Eg. JK Lakshmi cement 53 Blended)) is the best cement in terms of strength and performance. However, you can also opt for OPC 43 grade cement for house construction.
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| Q : |
How JK Lakshmi Cement is better than other cements? |
| A : |
JK Lakshmi Cement is manufactured from superior quality Lime-stone which is available in abundance in our mines. The main advantage of JK Lakshmi cement is consistency in terms of strength, setting time, colour, fineness and weight.
Some other advantages of JK Lakshmi Cement are:
1. It's a homogeneous product containing no colour pigment.
2. You don't need to change concrete mix design every now and then.
3. It provides attractive, durable and consistent light-grey coloured concrete, renders and mortars.
4. It has early setting characteristics for cost efficient demoulding /deshuttering.
5. It's chloride content is low.
For details, click here.
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| Q : |
Where can I get JK Lakshmi cement? |
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We have a strong team of 1500 dealers across various cities of the country. To locate the dealer or marketing Office in your area, please click here.
If you are interested to buy cement more than 35 MT (700 bags) in India, please contact our Branch Office nearest to you. Please click here for detailed information. Hide Answer |
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| Q : |
How can I know the latest price of JK Lakshmi cement? |
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Prices of cement are always fluctuating. For the latest prices, please contact our sales officer or our authorized dealer. Hide Answer |
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| Q : |
How can I calculate approximate cement requirement for single storey load bearing construction? |
| A : |
You can use our material calculator for estimated cement requirements.
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| Q : |
What is 'setting time' of Cement? What are the factors that affect the setting time? |
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When water is mixed with cement, the paste formed remains plastic for a short time. During this period it is possible to mould it as per requirement. As the reaction between water and cement continues, the paste looses its plasticity and we cannot mould it. This early period in the hardening of Cement is referred as "Setting of Cement". Generally setting time of cement depends upon various factors, such as, the type of cement, presence of certain types of salts, chemicals in sand, percentage of water, availability of ambient temperature etc.
In winters, the setting time of cement is longer due to low temperature.
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| Q : |
What is heat of hydration? What is its importance? |
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Whenever we mix water with cement, chemical reaction starts and liberates a considerable quantity of heat. This liberation of heat is called the Heat of Hydration. In case of mass concrete works like Dams, liberated heat cannot dissipate outside and it may lead to cracks in concrete. To overcome this difficulty, it is essential to use low-heat blended cement and follow it up with continuous curing with water.
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| Q : |
Why Gypsum is added while manufacturing of cement? |
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Gypsum alters the setting time of cement. If gypsum is not added, cement will set immediately and it cannot be used for making concrete/mortar. Hence to make it workable, gypsum is added.
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| Q : |
What is Soundness of Cement and state its significance? |
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It is very important that after the setting time, cement should not undergo any appreciable change in volume. If it does, it is called unsound cement. This will cause serious difficulty for the durability of structure when such cement is used. The unsoundness of cement is due to the presence of excess lime, high proportion of magnesia content or calcium sulphate content. It is therefore advisable to purchase cement from reputed manufacturers like JK Lakshmi where the manufacturing is done using state-of-the-art equipment and stringent quality control measures.
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| Q : |
Is there any relation between Strength and Colour of cement? |
| A : |
No, Colour of cement depends on the raw material used while manufacturing. Colour may vary from factory to factory.
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| Q : |
What is meant by Curing of Concrete ? |
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Curing is the name given to the procedures for promoting the hydration of cement. Curing is done to make the concrete mixture stronger and more durable.
It is generally done for a minimum of seven days or until concrete reaches 70% of its specified strength. Commencement of curing depends on ambient temperature. Higher the ambient temperature, commence curing earlier.
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| Q : |
What is meant by Durability of Concrete ? |
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The concrete structure should continue to perform at it's required strength and service ability during the specified or expected service life. The durability of concrete refers to the extent to which the material is capable of resisting deterioration caused by exposure to service conditions. Generally speaking, concrete is strong and fireproof. Additionally, ordinary structural concrete that is to be exposed to the elements must be watertight and weather-resistant. Concrete that is subject to wear, such as floor slabs and pavements, must be capable of resisting abrasion.
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| Q : |
What are the advantages of blended cement? Does durability increase by using blended cement? |
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Blended Cement is a superior variant of cement that provides features such as super strength and higher fineness. It is stronger and durable than conventional cement and is recommended for structures such as dams and heavy machinery foundations, though it is also commonly used for regular residential and commercial projects. JK Lakshmi Cement 53 (blended) is good example of blended cement and it has a minimum guaranteed strength of 53 MPa.
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| Q : |
How can I get free advice on building construction and maintenance? |
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You can contact the JK Lakshmi Cement marketing office in your area and request for a visit by the Technical Service Cell. The Technical Service Cell of JK Lakshmi Cement consists of well-equipped laboratories and highly qualified engineers with vast experience in cement and concrete technology.
You can also send your query to srchitnis@jkmail.com
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