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Asked: February 2, 2021In: Construction Site Related

Which instrument is widely used for surveying?

nikeetasharma
nikeetasharma

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Which instrument is widely used for surveying?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Komal Bhandakkar AUTHOR
    Added an answer on February 2, 2021 at 10:24 am

    Instrument used for survey are listed below: 1) Instruments for chaining: A)Chain: i) Metric Chain ii) Gunter's Chain iii) Engineers Chain iv) Revenue Chain V) Steel Band or Band Chain   B) Tapes: I) Cloth or linen tape ii) Metallic Tape iii) Steel Tape iv) Invar Tape   C)Arrows D) Pegs E)Read more

    Instrument used for survey are listed below:

    1) Instruments for chaining:

    A)Chain:

    i) Metric Chain

    ii) Gunter’s Chain

    iii) Engineers Chain

    iv) Revenue Chain

    V) Steel Band or Band Chain

     

    B) Tapes:

    I) Cloth or linen tape

    ii) Metallic Tape

    iii) Steel Tape

    iv) Invar Tape

     

    C)Arrows

    D) Pegs

    E) Ranging Rods

    F) Offset Rods

    G) Plumb Bobs

     

    2) Instrument for measuring horizontal & vertical angles:

    I) Theodolite:

    a) Transit Theodolite

    b) Non-Transit Theodolite

     

    3) Levelling Instrument: Dumpy Level

     

     

     

     

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Asked: February 2, 2021In: Construction

Which type of reinforcement are used in pre-stressing?

nikeetasharma
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Which type of reinforcement are used in pre-stressing?

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Asked: November 28, 2020In: Geotechnical Engineering

What will be the best method to calculate vertical stress of soil in geotechnical engineering ?

nikeetasharma
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What will be the best method to calculate vertical stress of soil in geotechnical engineering ?

  1. aviratdhodare

    aviratdhodare

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    Added an answer on January 5, 2021 at 1:53 pm

    It depends on the condition of soil. Wt of dry soil +wt of water in soil + overlying Wt if any and so on. read the fallowing article in google for better idea. Vertical stress in the ground

    It depends on the condition of soil. Wt of dry soil +wt of water in soil + overlying Wt if any and so on. read the fallowing article in google for better idea.

    Vertical stress in the ground

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Asked: October 5, 2020In: Construction

What is the reason behind keeping the cement surface uneven before placing tiles?

nikeetasharma
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What is the reason behind keeping the cement surface uneven before placing tiles?

  1. aviratdhodare

    aviratdhodare

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    aviratdhodare
    Added an answer on October 8, 2020 at 5:36 pm

    So that, when you are tapping it, will level bed to set and air pocket will get out giving a level bed for bonding.

    So that, when you are tapping it, will level bed to set and air pocket will get out giving a level bed for bonding.

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Asked: September 29, 2020In: Construction Site Related

What is Reinforced Soil?

nikeetasharma
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What is Reinforced Soil? State it’s advantages and disadvantages?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Added an answer on November 17, 2020 at 5:52 pm
    This answer was edited.

    Reinforced soil: Meaning of Reinforced soil: Reinforced soil is simply a combination of compacted earth fill with the tensile reinforcement for creating an earth structure.  Advantages of reinforced soil: Less quantity of earth fill is required. The construction can be directly done on the soft grouRead more

    Reinforced soil:

    Meaning of Reinforced soil: Reinforced soil is simply a combination of compacted earth fill with the tensile reinforcement for creating an earth structure. 


    Advantages of reinforced soil:

    1. Less quantity of earth fill is required.

    2. The construction can be directly done on the soft ground.

    3. The structures can be quickly built as compared to any other conventional methods.

     Limitations of reinforced soil:

    • One of the biggest doubts about reinforcing soil is its durability.

    Thank You.

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Asked: September 29, 2020In: Construction

What should be the standard dimension of ventilator in home?

nikeetasharma
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What should be the standard dimension of ventilator in home?

  1. nikeetasharma

    nikeetasharma

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    Added an answer on November 24, 2020 at 5:52 pm

    Thank you everyone.

    Thank you everyone.

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Asked: September 28, 2020In: Foundation

What are the construction practices which are used to avoid differential settlement in foundation?

nikeetasharma
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What are the construction practices used to avoid differential settlement in foundation?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Added an answer on November 20, 2020 at 1:42 pm
    This answer was edited.

    Differential settlement in foundation: Usually, due to poor compaction, lower bearing capacity of the soil, high depth of hard strata, various changes in water content in soil are the basic reason behind the differential settlement of soil. Apart from that, trees & vegetation is not good for fouRead more

    Differential settlement in foundation:

    Usually, due to poor compaction, lower bearing capacity of the soil, high depth of hard strata, various changes in water content in soil are the basic reason behind the differential settlement of soil.

    Apart from that, trees & vegetation is not good for foundation safety.

    Soil consolidation is the main reason for differential settlement of the foundation.

    Foundation push piers & foundation underpinning also harms the foundation, which leads to a differential settlement.

    Thank you.

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Asked: September 28, 2020In: Construction

What is Trapezoidal Crest Wall?

nikeetasharma
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What is Trapezoidal Crest Wall?

  1. aviratdhodare

    aviratdhodare

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    Added an answer on October 28, 2020 at 11:14 pm

    Trapezoidal weir is also called Cipolletti weir, used for measuring medium discharge & is a combination of ▭ular & △ular weirs. The slope of the sides, inclined outwardly from the crest, should be 1 horizontal : 4 vertical (1H : 4V). The selected length of the notch (L) should be at least 3HRead more

    Trapezoidal weir is also called Cipolletti weir, used for measuring medium discharge & is a combination of ▭ular & △ular weirs. The slope of the sides, inclined outwardly from the crest, should be 1 horizontal : 4 vertical (1H : 4V). The selected length of the notch (L) should be at least 3H & preferably 4H or longer.

    Q = ⅔ Cd L √2g H3/2 + 8/15 Cd tan θ/2 √2g H5/2

    If Q is lps, H in cm & L in cm.

    Q = 0.0186L H3/2

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