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Vivek Patel - Answers

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  1. Asked: December 20, 2018In: Concrete

    fly Ash Percentage in PPC Cements

    Vivek Patel

    Vivek Patel

    • 39 Questions
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    Vivek Patel User
    Added an answer on August 2, 2020 at 9:29 am

    Fly ash adding following advantages Protect against sulphur attack. Increase concrete life. Reduction in cost. Reduce CO2 emission. Good work as a DPC. Reduction in shrinkage & plastic cracks. Disadvantages Lower earlier strength. Less bonding compare to cement. Fly ash is not a cemetesius materRead more

    Fly ash adding following advantages

    • Protect against sulphur attack.
    • Increase concrete life.
    • Reduction in cost.
    • Reduce CO2 emission.
    • Good work as a DPC.
    • Reduction in shrinkage & plastic cracks.

    Disadvantages

    • Lower earlier strength.
    • Less bonding compare to cement.
    • Fly ash is not a cemetesius material.
    • Requir High curing period.

    in general, 20-40% fly ash replace by cement in concrete.

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  2. Asked: July 7, 2020In: Construction

    Explain the construction of IPS flooring?

    Vivek Patel

    Vivek Patel

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    Vivek Patel User
    Added an answer on August 2, 2020 at 9:25 am

    Construction Process of IPS flooring  clean floor by water wash and application of brush after cleaning, level mark are done by spirit leveling at 2-3 meter interval on surrounding wall after proper level setting, concrete dummy dote are constructed at a 2 to 3 square meter area.  now concrete in spRead more

    Construction Process of IPS flooring 

    1. clean floor by water wash and application of brush
    2. after cleaning, level mark are done by spirit leveling at 2-3 meter interval on surrounding wall
    3. after proper level setting, concrete dummy dote are constructed at a 2 to 3 square meter area.
    4.  now concrete in specified mixed should be pour in panel.
    5. after pouring of concrete, surface to be leveled  with A straight edge and surface with wooden float or trowel.
    6. cement punning 2 to 3 mm thicker is spread over IPS flooring to archive glossy look of  floor.
    7.  curing period of minimum 15 day is required after construction.
    8. other fiber may be use to prevent cracks.
    9. sometime vacuum dewatering machine also use to get very hard surface of concrete floor.

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  3. Asked: July 10, 2020In: Construction

    What is Reinforced Brick Masonry?

    Vivek Patel

    Vivek Patel

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    Vivek Patel User
    Added an answer on August 2, 2020 at 9:24 am

    Reinforced brick masonry have higher ductility and stiffness than ordinary masonry work. Basically hollow brick is used in reinforces brick masonry, and reinforcement bars are provided in the hole of the block (that bar are in the vertical direction). And another reinforcement wire is provided horizRead more

    Reinforced brick masonry have higher ductility and stiffness than ordinary masonry work.

    Basically hollow brick is used in reinforces brick masonry, and reinforcement bars are provided in the hole of the block (that bar are in the vertical direction). And another reinforcement wire is provided horizontally in between upper and lower course of brick masonry.

    After construction of reinforcing brick masonry, we should provide a plaster of a minimum total thickness of 15 mm to protect the reinforcement bar from weathering action.

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  4. Asked: July 27, 2020In: Construction

    What is Crazing Crack in Plaster?

    Vivek Patel

    Vivek Patel

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    Vivek Patel User
    Added an answer on August 2, 2020 at 9:00 am

    Crazing crack is surface crack of plaster. It is due to Plastic shrinkage. Rapid drying Temperature variations. Chemical reaction. Improper grading of material. Less curing period. Poor construction practice.

    Crazing crack is surface crack of plaster.

    It is due to

    • Plastic shrinkage.
    • Rapid drying
    • Temperature variations.
    • Chemical reaction.
    • Improper grading of material.
    • Less curing period.
    • Poor construction practice.
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  5. Asked: July 31, 2020In: Concrete

    How many cement bags and sand is required for M20 grade of concrete?

    Vivek Patel

    Vivek Patel

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    Vivek Patel User
    Added an answer on July 31, 2020 at 11:14 pm

    for 1 cubic meter, we calculate as follow let's take dry mixture of aggregate sand and cement required is 1.52 cubic meter. M20 have an approximate proportion of cement sand and aggregate is 1:1.5:3 cement in bag= (1/5.5.)x1.52/0.035 =7.89 say=8 bags sand in kg = (1.5/5.5)x1.52 x 1650 =684 kg aggregRead more

    for 1 cubic meter, we calculate as follow

    let’s take dry mixture of aggregate sand and cement required is 1.52 cubic meter.

    M20 have an approximate proportion of cement sand and aggregate is 1:1.5:3

    cement in bag= (1/5.5.)x1.52/0.035 =7.89 say=8 bags

    sand in kg = (1.5/5.5)x1.52 x 1650 =684 kg

    aggregate in kg =(3/5.5) x 1.52 x 1700 =1410 kg

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  6. Asked: July 31, 2020In: Construction

    What is purpose of lintel and sill level in building construction?

    Vivek Patel

    Vivek Patel

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    Vivek Patel User
    Added an answer on July 31, 2020 at 10:54 pm

    Purpose of lintel Act as a tie beam. To transfer load of above massonary of  window frame to the surrounding massonary. To provide confinement of structure. To support chhajja. Act as a DCP. Purpose of sill level To provide support of windows frame To provide smooth bottom surface to the window. SomRead more

    Purpose of lintel

    • Act as a tie beam.
    • To transfer load of above massonary of  window frame to the surrounding massonary.
    • To provide confinement of structure.
    • To support chhajja.
    • Act as a DCP.

    Purpose of sill level

    • To provide support of windows frame
    • To provide smooth bottom surface to the window.
    • Sometime stand provide near to windows that time sill support stand.
    • Prevent water penitration.
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  7. Asked: July 31, 2020In: Interview Questions

    What is importance of MB in public works of government undertaking?

    Vivek Patel

    Vivek Patel

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    Vivek Patel User
    Added an answer on July 31, 2020 at 10:51 pm

    MB is soul of government officer. MB is legal measurements book, government officer are responsible for MB. Whichever measurements are written down in MB that is 100% aproved by government officer and that MB become legal documents in dispute. Every MB have unique serial number to identification. AnRead more

    MB is soul of government officer. MB is legal measurements book, government officer are responsible for MB.

    Whichever measurements are written down in MB that is 100% aproved by government officer and that MB become legal documents in dispute.

    Every MB have unique serial number to identification. And every project have different MB.

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  8. Asked: July 29, 2020In: Construction

    What are Mac-Arthur Piles?

    Vivek Patel

    Vivek Patel

    • 39 Questions
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    Vivek Patel User
    Added an answer on July 31, 2020 at 3:25 pm

    Mac-Arthur pile is a pile of uniform diameter pile. made of from using corrugated permanent sheet shell. Procedure:- heavy corrugated steel shell is driven. After reaching desired depth the core is withdrawn from that sheet pile. Reinforcement placed before concreting. Concreting is done after sheetRead more

    Mac-Arthur pile is a pile of uniform diameter pile. made of from using corrugated permanent sheet shell.

    Procedure:-

    1. heavy corrugated steel shell is driven.
    2. After reaching desired depth the core is withdrawn from that sheet pile.
    3. Reinforcement placed before concreting.
    4. Concreting is done after sheet pile withdraw.

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