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Amol M. - Answers

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  1. Asked: August 2, 2020In: Construction

    What should be the height of the plinth level in flood-prone areas?

    Amol M.

    Amol M.

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    Amol M. Beginner
    Added an answer on August 2, 2020 at 11:04 pm

    The average plinth height is up to 450mm is considered. But in floor prone areas it is increased by 150mm as per requirement. After the study of the area plinth height should be considered. So the average hight of the plinth in flood-prone areas is considered up to 600mm above from the HFL. (high flRead more

    The average plinth height is up to 450mm is considered.

    But in floor prone areas it is increased by 150mm as per requirement. After the study of the area plinth height should be considered.

    So the average hight of the plinth in flood-prone areas is considered up to 600mm above from the HFL. (high flood level).

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  2. Asked: August 2, 2020In: Transportation

    What is the difference between Tar and Bitumen?

    Amol M.

    Amol M.

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    Amol M. Beginner
    Added an answer on August 2, 2020 at 10:50 pm

    Bitumen: 1. Bitumen is naturally occurring substances, it is dark in color & it occurs in both solid and liquid form. 2. Bitumen is a viscous organic substance, which occurs naturally. 3. Bitumen is strongly adhesive and water-resistant. & it is always a viscous liquid. 4. Bitumen is createdRead more

    Bitumen:

    1. Bitumen is naturally occurring substances, it is dark in color & it occurs in both solid and liquid form.

    2. Bitumen is a viscous organic substance, which occurs naturally.

    3. Bitumen is strongly adhesive and water-resistant. & it is always a viscous liquid.

    4. Bitumen is created by distilling crude oil.

    5. Bitumen use as a waterproof, sealing agent and in road construction.  It is a good binder.

    Tar:

    1. Tar is obtained artificially by the process of destructive distillation. It is always in a viscous liquid form.

    2. Tar is very thick, it is good water-resistant.

    3. Tar widely use in industries.

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  3. Asked: July 31, 2020In: Construction

    What is difference between Tie Beam and Plinth Beam?

    Amol M.

    Amol M.

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    Amol M. Beginner
    Added an answer on July 31, 2020 at 10:48 pm

    Difference between Tie beam & plinth beam As the name mentioned, both are the beams. And I think there is no main difference in it. Plinth beam: 1. As we all know, the plinth beam is the part of the substructure, from the plinth beam superstructure getting started. 2. The plinth beam always consRead more

    Difference between Tie beam & plinth beam

    As the name mentioned, both are the beams. And I think there is no main difference in it.

    Plinth beam:

    1. As we all know, the plinth beam is the part of the substructure, from the plinth beam superstructure getting started.
    2. The plinth beam always constructed to the ground level.
    3. After the footing or foundation plinth beam is built.
    4. The plinth beam transfers the load to footing which from the superstructure.
    5. Plinth beam connected to all the columns.

    Tie beam

    1. The tie beam is also part of the plinth beam, so it is not just part of the superstructure.
    2. The tie beam is constructed anywhere as per requirement above the plinth level or floor level.
    3. Tie beam carrying the axial compression and transfer the load to the Columns.
    4. Tie beam connects two or more columns

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  4. Asked: July 31, 2020In: Interview Questions

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

    Amol M.

    Amol M.

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    Amol M. Beginner
    Added an answer on July 31, 2020 at 10:45 pm

    MB (measurement book) It is the book of measurement in wich govt. Authorities or organizations can take the actual measurement of works completed by the contractor as per BOQ (Book of Quantities). Importance of MB 1. After the estimation, the work done is assigned to the contractor through the tendeRead more

    MB (measurement book)

    It is the book of measurement in wich govt. Authorities or organizations can take the actual measurement of works completed by the contractor as per BOQ (Book of Quantities).

    Importance of MB

    1. After the estimation, the work done is assigned to the contractor through the tendering process. After the completion of work by the contractor as per BOQ, the bills are submitted to the authority. Authorities may take the actual measurements of the completed work in Measurement Books. Ball pens are not allowed in MB.

    2. Payment of the contractor should be made by calculating the quantities of MB

    3. MB is the legal authority in which construction work measurements and supplied material quantities to the department recorded.

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  5. Asked: July 29, 2020In: Construction Site Related

    What are the type of Soil Stabilization of Highway Embankment?

    Amol M.

    Amol M.

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    Amol M. Beginner
    Added an answer on July 30, 2020 at 11:25 pm

    Soil stabilization of highway embankment Soil Stabilization • Mechanical stabilization: Improvement of soil properties can be achieved by changing particle gradation. The engineering performance depends mainly on grain size distribution and plasticity. Significant changes in the properties can be maRead more

    Soil stabilization of highway embankment

    Soil Stabilization
    • Mechanical stabilization: Improvement of soil properties can be achieved by changing particle gradation. The engineering performance depends
    mainly on grain size distribution and plasticity.
    Significant changes in the properties can be made by the addition or removal of suitable soil fractions.
    Granular fraction imparts strength and hardness. Fine fraction imparts cohesion, water, retention capacity and it acts as filler.
    • Extreme caution is required for adding fine to roadbases and subgrades.
    • The common technique of soil alteration is the addition of sodium montmorillonite (bentonite) to reduce the permeability of the soil. Addition of 10% of bentonite reduces permeability coefficient k. Asphalt
    have been also tried.

    Lime Stabilization :
    Hydrated (or slacked) lime is very effective in
    treating heavy plastic clayey soils. Lime may be used alone or in combination with cement, bitumen, or flash. Lime has been mainly used for stabilizing the
    road bases and subgrades.
    • On addition of lime to the soil, two main types of
    chemical reactions occur i) alteration in the nature of the adsorbed layer through base exchange phenomenon and ii) cementing or pozzolanic action.
    Lime reduces P.I. of highly plastic soils making them more friable and easy to be handled and pulverized.
    The P.I. of low plasticity generally increases. There is generally an increase in the O.M.C. and decrease in the compacted density, by strength and durability
    increases.
    • Normally 2 10 8 % of lime may be required for coarse-grained soils and 5 to IO % for plastic soil.

    Cement Stabilization :
    The soil stabilized with cement (Portland) is known as soil cement. The cementing action is believed to be the result of chemical reactions of cement with silicious soil during hydration. The binding action of individual
    particles through cement may be possible only in coarse-grained soils. In cohesive soils, only some of the particles can be excepted to have cement bonds and the rest will be bonded through natural cohesion.

    Bitumen Stabilization :
    • Earth roads can be improved by spraying the dry soil surface with a stabilizer such as aspheric and cut back bitumen oil, tars, or emulsions in small quantities. The bituminous materials when added to soil impact cohesion or binding action and reduce water absorption. About 4 to 7 % by weight of
    bitumen is required. Any inorganic soil can be
    stabilized well-graded soils give goods results from 10^3 mm/s to 10^8 mm/s in case of silty sands. Local clays may be used.

    These are the methods of stabilization

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  6. Asked: July 29, 2020In: Concrete

    What is the significance of Fineness of Cement?

    Amol M.

    Amol M.

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    Amol M. Beginner
    Added an answer on July 30, 2020 at 11:13 pm

    Significance of fineness of cement Fineness is an important factor in cement Fineness has an important bearing on the rate of hydration and ultimately on the strength of cement. Finer cement has a greater surface area for hydration and hence faster and greater strength. The smallest particle size isRead more

    Significance of fineness of cement

    Fineness is an important factor in cement

    Fineness has an important bearing on the rate of hydration and ultimately on the strength of cement. Finer cement has a greater surface area for hydration and hence faster and greater strength. The smallest particle
    size is about 1.5 µ and the average size is about 10 (µ) microns. An increase in fineness increases the shrinkage of cement. In commercial cement, 25-30% of particles are of size less than 7 microns.

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  7. Asked: July 27, 2020In: Structural Engineering

    Why we provide distribution Steel in slab?

    Amol M.

    Amol M.

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    Amol M. Beginner
    Added an answer on July 28, 2020 at 11:06 pm

    Distribution Steel The name itself defines the meaning of the word. Distribution bar n a reinforced concrete slab is placed usually at right angles to the main reinforcement bar, intended to spread a concentrated load on the slab and to prevent cracking and other types of failure. It is also known aRead more

    Distribution Steel

    The name itself defines the meaning of the word.
    Distribution bar n a reinforced concrete slab is placed usually at right angles to the main reinforcement bar, intended to spread a concentrated load on the slab and to prevent cracking and other types of failure. It is also known as a Secondary bar.

    The following point should keep in mind while understanding the distribution bar.

    ● The distribution bar is having a small diameter than the main bar.
    ● The distribution bar always place on the top of the main bar.
    ● Distribution bar placed in a longer span

    Porpoises why we providing distribution steel in slab

    ● Distribution steel is provided to prevent the shrinkage stresses and temperature effects. Due to this, cracks are formed on the top of the slab; hence crack are neglected.

    ● To distribute the load equally to the main bars, hence decreasing the effect of point load on the slab.

    ● Distribution bars are also provided to Stability for the main bars, and they also help to keep the main bars in position.
    ●This steel distributes the localized loads, so the concentrated stresses are reduced & more even throughout the slab. The distribution reinforcement, in most cases, is designed for strength. But sometimes main porpoises to provided for other reasons like cracking, load distribution, etc.
    ThankYou

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  8. Asked: July 24, 2020In: Construction

    What is a Floor Area Ratio (FAR)?

    Amol M.

    Amol M.

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    Amol M. Beginner
    Added an answer on July 27, 2020 at 2:52 pm

    We all are giving priority to some important factor while buying and selling any item, E.g., Mileage for car, carat for gold, similarly the most important issue when we are buying or selling a house or property is the area. Whether the building is residential or non-residential, area is important foRead more

    We all are giving priority to some important factor while buying and selling any item, E.g., Mileage for car, carat for gold, similarly the most important issue when we are buying or selling a house or property is the area.

    Whether the building is residential or non-residential, area is important for all types of buildings. If there is a transaction of Agricultural land, it is preferably in hectare or acre, etc. However, when it comes to built property (NA plot), it can be in square feet or square meters, and for NA plot (Non-Agricultural) plot FAI or FSI is an important factor, it may strictly affecting on the valuation of this plot,

    FLOOR AREA RATIO (FAI) It is also known as FSI.
    As a definition, it is the ratio of a building’s total floor area (gross floor area) to the size of the piece of land upon which it is going to built.
    As a formula: FAR = (total covered area on all floors of all buildings on a certain plot, gross floor area) / (area of the plot).

    For better understanding, please refer photo attached.

    Now here’s one example for better understanding.
    If you have 2000 SqFt plot where you want to construct a home, & the FAI of that is is 1.5, then you have 3000SqFt permissible area for construction. You can use it as per your plan. For example, 1500Sqft for Ground Floor and remaining 1500 for the 1st floor.

    Remember one thing FAR, rule, and regulations are introduced by the govt. Authorities. You can find out your zone FSI on your state govt’s official website. Generally, different buildings have different FSI regardless of the location. And also we can buy extra FAI from respected authorities by paying fees, it is known as Premium FAI.
    Thank You

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