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Asked: August 14, 2020In: Construction

What kind of cement would you use for completing the project with less budget and without compromising on the quality?

Vicky
Vicky

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What kind of cement would you use for completing the project with less budget and without compromising on the quality?

  1. aviratdhodare

    aviratdhodare

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    Added an answer on September 7, 2020 at 6:13 pm

    (FYI : PPC is environment friendly as it consists fly ash in some specific percentages by parts, which is a waste product of burnt coal, usually collected from thermal power plants) OPC (m53) attains strength in a shorter time, while PPC (m43) takes longer. OPC therefore dries more quickly, but prodRead more

    (FYI : PPC is environment friendly as it consists fly ash in some specific percentages by parts, which is a waste product of burnt coal, usually collected from thermal power plants)

    OPC (m53) attains strength in a shorter time, while PPC (m43) takes longer.
    OPC therefore dries more quickly, but produces more heat during chemical reaction during which it gains strength, as compared to PPC
    Faster is the drying process, more is the risk of cracking of cement, and therefore it need more care and more amount of water for curing in a lesser time.
    PPC on the other hand can attain strength equal to OPC, but takes a longer time.

    For a building slab, PPC is more widely used since it requires less care.
    The strength depends on design mix (the water cement and aggregate ratio) more than type of cement.

    so essentially, If you need construction to take place faster and have means for good curing, you may use OPC.
    But if you need better quality and strength in less effort, use PPC.

    It still depends on the structure’s design requirements and a structural designer’s advice is to be followed.

    Hope this helps, but do consult an engineer before using any type of cement.
    Building construction is a responsible job and needs to be done safely and one must adhere to engineer’s specifications.

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Asked: September 19, 2020In: Construction

Which equipment can measure the PSI of ready concrete mix during pouring on Construction Site?

Umair Diwan
Umair Diwan

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Basically I want to know if there is a machine or equipment that can be used to test concrete mix during construction or during poring as we are making a high rise building. We want to that’s a concrete next ...

  1. Kuldeep Singh

    Kuldeep Singh

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    Added an answer on September 26, 2020 at 1:10 pm

    The concrete pressure on formwork can be calculated without measurement. However, I can see that you'd like to be sure about it with experimental verification. The device used for this kind of an experiment is called a dilatometer. It is more common in the geotechnical field but is also used for conRead more

    The concrete pressure on formwork can be calculated without measurement. However, I can see that you’d like to be sure about it with experimental verification.

    The device used for this kind of an experiment is called a dilatometer. It is more common in the geotechnical field but is also used for concrete pressure calculation.

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Asked: July 28, 2020In: Construction

What are the criteria/requirements to become a Government approved valuator ?

dbnalawade
dbnalawade

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What are the criteria/requirements to become a Government approved valuator ?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Added an answer on September 12, 2020 at 8:15 pm
    What are the criteria/requirements to become a Government approved valuator ?

    First of all, let's discuss what exactly the meaning of government-approved valuer. Government-approved valuer : The value was may be individual or partnership introduce your company would be essentially required to be registered with authority specified by the central government. Most Important InfRead more

    First of all,

    let’s discuss what exactly the meaning of government-approved valuer.


    Government-approved valuer :

    • The value was may be individual or partnership introduce your company would be essentially required to be registered with authority specified by the central government.

    Most Important Information :

    • The registered valuers should be a member of the registered valuer’s Organisations( RVOs), that are recognised by the authority.

    Not coming towards, how to become a government valuer.

    In India, three categories of registered valuers. They are as follows ;

    • Land and Building Valuer
    • Plant and Machinery Valuer
    • Securities or Financial Assets Valuer

    Here, I mainly concentrate on the step number one that is eligibility criteria of the candidate who wish to become a government valuer in detail.

    STEP I – QUALIFICATION AND EXPERIENCE :

    As per rule 4,( Annexure-IV) of the companies (registered valuers and valuation) Rules, 2017 an individual shall have the following qualification and experience to be eligible for registration as registered valuer :

    1. UG + 5 years post qualification experience, or
    2. PG + 3 years post qualification experience, or
    3. Membership of a professional Institute + three years post-grad qualification experience

    Other eligibility criteria as under:

    • A person is not a minor
    • A person should be resident in India(As per clause V of section 2 (foreign exchange management act, 1999{ 42 of 1999})
    • A person is mentally and physically fit.
    • A person has not been levied a penalty under section 271J of Income Tax Act, 1961 (43 of 1961).

    I hope so your doubt regard in the first step is clear. Thank you for asking a question.

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Asked: September 8, 2020In: Construction

Can we place a 500 liter water tank on a 2″ Kadapa slab placed at 6 feet height supported by two solid block walls?

aviratdhodare
aviratdhodare

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Can we place a 500-liter water tank on a 2″ Kadapa slab placed at 6 feet height supported by two solid block walls?

  1. AdityaBhandakkar

    AdityaBhandakkar

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    Added an answer on September 19, 2020 at 2:24 pm
    Can we place a 500 liter water tank on a 2″ Kadapa slab placed at 6 feet height supported by two solid block walls?

    Hi, Kadappa stone of 2" ( 50.8mm ) having its density in the range of 5.0 to 5.4 kg/cm^3 with a water absorption ratio of less than 2%. After calculation, you may found that at 6-meter height, it is not able to bear the weight of a 500-liter water tank. Thus, support in the middle must be provided fRead more

    Hi,

    Kadappa stone of 2″ ( 50.8mm ) having its density in the range of 5.0 to 5.4 kg/cm^3 with a water absorption ratio of less than 2%.

    After calculation, you may found that at 6-meter height, it is not able to bear the weight of a 500-liter water tank.

    Thus, support in the middle must be provided for stability and to increase the bearing strength of kadapa so that it lasts for a long duration.

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Asked: July 16, 2020In: Construction

What is the CBR value for sub grade in road construction?

fathima
fathima

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What is the CBR value for sub grade in road construction?

  1. nikeetasharma

    nikeetasharma

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    Added an answer on November 29, 2020 at 4:32 pm

    A clayey soil generally has a low CBR value (less than 8). Sands are more granular and drain better and will generally have CBR values between 15 and 35. Gravel will have the best CBR values, generally 25 and up. That is why it is suggested to save the best material to cap the subgrade.

    A clayey soil generally has a low CBR value (less than 8). Sands are more granular and drain better and will generally have CBR values between 15 and 35. Gravel will have the best CBR values, generally 25 and up. That is why it is suggested to save the best material to cap the subgrade.

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Asked: September 22, 2020In: Construction

Mechanism of rotating tower lacated at Dubai?

Komal Bhandakkar
Komal Bhandakkar

Komal Bhandakkar

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Mechanism of rotating tower lacated at Dubai ?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Added an answer on September 28, 2020 at 11:19 pm
    Mechanism of rotating tower lacated at Dubai?

    Rotating Tower: Mechanism of rotating Tower: Mechanism of rotating Tower is very interesting to understand.  1)The whole steel structure is constructed with reference to Central Core and highly reinforced Foundation. 2)Driving system- every flower in the rotating Tower can be rotated around the centRead more

    Rotating Tower:

    Mechanism of rotating Tower:

    Mechanism of rotating Tower is very interesting to understand. 

    1)The whole steel structure is constructed with reference to Central Core and highly reinforced Foundation.


    2)Driving system- every flower in the rotating Tower can be rotated around the central Core which is connected by rails.


    3) Load cases: Different loads that are dead load life load wind load and earthquake loads are taken into account while designing the rotating Tower.


    4)Optimisation analysis: The stresses and deformation directly acting on the core of the rotating tower are very high.


    5)Alternative designs of the rotating tower:

    1. Alternative 1- Architects design
    2. Alternative 2- higher concrete grade
    3. Alternative 3- increased wall thickness
    4. Alternative 4- outrigger braced concrete Core
    5. Alternative 5- perimeter columns with Stiff floors

    6) Architect name:

    • RotatingTower is developed by the Italian architect David Fisher.

    7)  Shape of rotating Tower:

    • Because of the rotation of all floors can be possible independently, the building can transform into every different imaginable shape.

    8) Height of rotating Tower:

    • The original design of the rotating tower height is approximately 435 metre.

    9) Current need:

    • The current design of the stabilizing core of the rotating tower doesn’t intersect any essential need. Hence investigation of the structure according to the stiffness and strength is really very important parameter.

    10)Speciality of rotating Tower:

    • All the floors of the rotating tower can separately rotate with reference to the common axis located at the centre of the tower.
    • Rotating Tower is only one building in which it’s all floors can rotate 360-degree angle.
    • Every Apartment can spin individually in any direction

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Asked: July 23, 2020In: Construction

Which size of aggregate used in RCC structure?

Vivek Patel
Vivek Patel

Vivek Patel

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Which size of aggregate used in RCC structure?

  1. nikeetasharma

    nikeetasharma

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    Added an answer on October 1, 2020 at 8:18 pm

    Generally the most appropriate size of aggregate used in RCC structure is 20mm. It gives more strength to the structure.

    Generally the most appropriate size of aggregate used in RCC structure is 20mm. It gives more strength to the structure.

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Asked: May 20, 2020In: Construction

What are the Advantages AAC Masonry over the Conventional Brick Masonry Work ?

Abhishek Kirave
Abhishek Kirave

Abhishek Kirave

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What are the Advantages AAC Masonry over the Conventional Brick Masonry Work? Which type of wall shall have more strength?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru
    Added an answer on November 28, 2020 at 11:02 am

    AAC is also known as Autoclaved aerated concrete which is a lightweight, precast, foam concrete building material which is suitable for producing concrete masonry unit like blocks. The advantages of AAC masonry over the conventional brick masonry are as follows :- - AAC bricks are eco-friendly whereRead more

    AAC is also known as Autoclaved aerated concrete which is a lightweight, precast, foam concrete building material which is suitable for producing concrete masonry unit like blocks.

    The advantages of AAC masonry over the conventional brick masonry are as follows :-
    – AAC bricks are eco-friendly whereas conventional bricks are not.
    – On AAC block dead load on the structure is low which reduces the consumption of cement, steel and water whereas using red clay brick there’s a heavy dead load on the structure.
    – AAC blocks emits less heat in the atmosphere due to less use of cement, steel and concrete whereas on the other hand red clay bricks emits high heat to the atmosphere.
    – AAC blocks have less material wastage whereas conventional red clay bricks have high material wastage.
    – Thus, AAC have high sound insulation properties and red bricks have low insulation property.

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