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Asked: September 19, 2020In: Geotechnical Engineering

Is it possible to obtain some data on factors on which seepage in dams depends?

aviratdhodare
aviratdhodare

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Is it possible to obtain some data on factors on which seepage in dams depends?          

  1. AdityaBhandakkar

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    Added an answer on October 3, 2020 at 11:27 am

    Absolutely Yes, factors of seepage are very important to determine before the construction of a dam or even after the construction of the dam for maintenance work. Electrical resistivity method is used to determine the amount of seepage and depth of seepage. As a civil engineer, it's our responsibilRead more

    Absolutely Yes, factors of seepage are very important to determine before the construction of a dam or even after the construction of the dam for maintenance work.

    Electrical resistivity method is used to determine the amount of seepage and depth of seepage.

    As a civil engineer, it’s our responsibility to provide higher safety.

    Seepage under the embankment is very much dangerous as compared to concrete dams because embankments are built on a very soft material which is easily scoured and it is very vulnerable for the influence of water.

    On other side concrete dam, is built on hard strata and even the defective dam which not the endangered by passing of water from the underside.

    Following are the methods for controlling  seepage

    1. Providing drainage
    2. By reducing the seepage with some proper methods.
    3. Largely use of filters for preventing the piping and heave
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Asked: September 22, 2020In: Construction

Where rafters are used? What is the purpose of it?

Komal Bhandakkar
Komal Bhandakkar

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Where rafters are used? What is the purpose of it?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Added an answer on October 3, 2020 at 11:27 am
    Where rafters are used? What is the purpose of it?

    Rafter: Meaning: Rafter is one simple sloped structural member which is generally made up of wood. Purpose: It provides better ease in construction It distributes roof loads We can use rafter where the span is limited. It highly contributes to the economy.  

    Rafter:

    Meaning:

    Rafter is one simple sloped structural member which is generally made up of wood.

    Purpose:

    • It provides better ease in construction
    • It distributes roof loads
    • We can use rafter where the span is limited.
    • It highly contributes to the economy.

     

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Asked: July 31, 2020In: Construction Site Related

Why vibrators are not used during concreting in piling works?

aviratdhodare
aviratdhodare

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aviratdhodare

Why vibrators are not used during concreting in piling works?

  1. nikeetasharma

    nikeetasharma

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    Added an answer on November 30, 2020 at 10:28 am

    Though self compacting concrete is used, these bulbs may not be filled completely. So, reinforcement is lowered after concreting, after clearing the muck on top, if any, either by vibration or driving, so that concrete is forced into the bulb. Heavy vibration is not used as the concrete can seggregaRead more

    Though self compacting concrete is used, these bulbs may not be filled completely. So, reinforcement is lowered after concreting, after clearing the muck on top, if any, either by vibration or driving, so that concrete is forced into the bulb. Heavy vibration is not used as the concrete can seggregate.

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Asked: September 19, 2020In: Miscellaneous

What is the effect of the seasoning of bricks on strength?

aviratdhodare
aviratdhodare

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What is the effect of the seasoning of bricks on strength?

  1. nikeetasharma

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    Added an answer on November 13, 2020 at 4:05 pm

    The seasoning of bricks is exactly expressed as allowing the brick to absorb water. It is also known as weathering of bricks. The moisture obtained by the bricks should be able to react with the chemical in the brick. If the moisture obtained by the brick is in its limit and any swelling or deteriorRead more

    The seasoning of bricks is exactly expressed as allowing the brick to absorb water. It is also known as weathering of bricks. The moisture obtained by the bricks should be able to react with the chemical in the brick. If the moisture obtained by the brick is in its limit and any swelling or deterioration is observed to weed out this damaged brick. Then only sound bricks that are seasoned are used.

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Asked: September 22, 2020In: Interview Questions

How can we predict the height of a building without using the equipment?

Komal Bhandakkar
Komal Bhandakkar

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How can we predict the height of a building without using the equipment?

  1. nikeetasharma

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    Added an answer on November 27, 2020 at 2:33 pm

    Trigonometry is the best method which can be used to predict the height of the building without using equipment. But if possible than you can also ask to see the builders plan.

    Trigonometry is the best method which can be used to predict the height of the building without using equipment. But if possible than you can also ask to see the builders plan.

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Asked: September 19, 2020In: Structural Engineering

What is a convergent beam? Why is it so important?

aviratdhodare
aviratdhodare

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What is a convergent beam? Why is it so important?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Added an answer on November 20, 2020 at 3:46 pm
    This answer was edited.

    A convergent beam of light: Whenever several rays coming from different directions & meet at a single point are nothing but the Light's convergent beam. Thank You.

    A convergent beam of light:

    Whenever several rays coming from different directions & meet at a single point are nothing but the Light’s convergent beam.

    Thank You.

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Asked: September 22, 2020In: Interview Questions

What is mean by sheroid triangle in the survey?

Komal Bhandakkar
Komal Bhandakkar

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What is mean by sheroid triangle in the survey?

  1. nikeetasharma

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    Added an answer on November 23, 2020 at 12:15 pm

    The triangle which is formed on the earth by three geodesic lines joining three points on a spheroid while performing geodetic survey is known as spheroid triangle. Thank you.

    The triangle which is formed on the earth by three geodesic lines joining three points on a spheroid while performing geodetic survey is known as spheroid triangle.

    Thank you.

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Asked: September 22, 2020In: Geotechnical Engineering

How can we differentiate clay and silt apart from its sizes?

Komal Bhandakkar
Komal Bhandakkar

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How can we differentiate clay and silt apart from its sizes?

  1. nikeetasharma

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    Added an answer on October 9, 2020 at 9:45 am

    Here, from a geotechnical perspective you can’t differentiate silt and clay on the basis of grain size because it can be irrelevant to material behaviour. Silt and clay are both the result of the physical and chemical breakdown of the minerals in rocks. They main difference is in chemical compositioRead more

    Here, from a geotechnical perspective you can’t differentiate silt and clay on the basis of grain size because it can be irrelevant to material behaviour.

    Silt and clay are both the result of the physical and chemical breakdown of the minerals in rocks. They main difference is in chemical composition and particle size.

    Silt is composed of silicate minerals, or those containing silicon and oxygen.

    Clay is composed of metal silicates, or silicates with metals like magnesium or aluminum associated with it.

    But in terms of handling the two as part of an experiment, the main discernible difference is particle size. Sand particles are larger than silt particles which are in turn larger than clay particles. Silt particles are about 0.05 to 0.002 millimeters in size. Clay particles are smaller than micrometer in size. So silt particles are too small to really be felt with your fingers like grains of sand. But wet silt will feel very smooth like finely ground baking flour. Clay particles are so small that they will simply feel sticky. You won’t be able to move them around your fingers like silt particles. This stickiness will be the main difference between the two in terms of touch.

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