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Asked: August 2, 2020In: Transportation

What is the ruling radius of a horizontal curve?

AdityaBhandakkar
AdityaBhandakkar

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What is the ruling radius of a horizontal curve?

  1. aviratdhodare

    aviratdhodare

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

    The maximum degree of curve or smallest radius for a railroad is 3 degrees on a new main line track with a maximum grade of 1% compensated at 0.04% per degree of curve; therefore a grade in a 3 degree curve would actually be 0.88%. For a highway it depends on what kind, where, typical traffic, speedRead more

    The maximum degree of curve or smallest radius for a railroad is 3 degrees on a new main line track with a maximum grade of 1% compensated at 0.04% per degree of curve; therefore a grade in a 3 degree curve would actually be 0.88%. For a highway it depends on what kind, where, typical traffic, speed limits, etc.  Degree of curve is the angle between the radii of a curve of a 100 foot chord which is chord definition. Highway departments usually use Degree of Curve as the angle between the radii of a curve of an arc of 100 feet. For curves 3 degrees or under, the difference between the definitions staked on the ground is inconsequential.

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Asked: August 2, 2020In: Transportation

What is the difference between Highway and Airfield pavement?

AdityaBhandakkar
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What is the difference between Highway and Airfield pavement?

  1. Vivek Patel

    Vivek Patel

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    Added an answer on August 3, 2020 at 6:22 pm

    Comparison of both is Highway pavement Cost is low. Less toughness compare to airfield. Design load is less. Less hardness compare to airfield. Compare to airfield, less construction cost and design cost. Length of Highway payment is very high. Airfield pavement Cost is high. High toughness need. DeRead more

    Comparison of both is

    Highway pavement

    • Cost is low.
    • Less toughness compare to airfield.
    • Design load is less.
    • Less hardness compare to airfield.
    • Compare to airfield, less construction cost and design cost.
    • Length of Highway payment is very high.

    Airfield pavement

    • Cost is high.
    • High toughness need.
    • Design load is very High
    • Need higher resistant to wear and tear due to aircraft trust.
    • Design cost and material cost is high due to rigid specifications and high level of construction practice.
    • Length of airfield pavement is less compare to Highway pavement.
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Asked: July 31, 2020In: Construction

What are the types of welding techniques?

AdityaBhandakkar
AdityaBhandakkar

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What are the types of welding techniques?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru
    Added an answer on November 12, 2020 at 8:25 pm

    Welding is the fabrication process whereby two or more parts are fused together by means of heat, pressure or both forming a join as the parts cool. The types of welding techniques are as follows :- - Gas Metal Arc Welding - Gas Tungsten Arc Welding - Shielded Metal Arc Welding - Flux Cored Arc WeldRead more

    Welding is the fabrication process whereby two or more parts are fused together by means of heat, pressure or both forming a join as the parts cool.

    The types of welding techniques are as follows :-
    – Gas Metal Arc Welding
    – Gas Tungsten Arc Welding
    – Shielded Metal Arc Welding
    – Flux Cored Arc Welding

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Asked: July 29, 2020In: Geotechnical Engineering

What is the Average Density of Soil?

AdityaBhandakkar
AdityaBhandakkar

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What is the Average Density of Soil?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru
    Added an answer on October 8, 2020 at 9:29 am

    As we know, Density = Mass / Volume Here, Soil density is defined in two well accepted concepts as particle density and bulk density. In the metric system, particle density can be expressed in terms of mega grams per cubic meter (Mg/m3). Thus if 1 m3 of soil solids weighs 2.6 Mg, the particle densitRead more

    As we know,
    Density = Mass / Volume

    Here, Soil density is defined in two well accepted concepts as particle density and bulk density. In the metric system, particle density can be expressed in terms of mega grams per cubic meter (Mg/m3). Thus if 1 m3 of soil solids weighs 2.6 Mg, the particle density is 2.6 Mg / m3 (since 1 Mg =1 million grams and 1 m3 =1 million cubic centimeters) thus particle density can also be expressed as 2.6 g / cm3.

    Particle Density :-

    The weight per unit volume of the solid portion of soil is called particle density. Generally particle density of normal soils is 2.65 grams per cubic centimeter. The particle density is higher if large amount of heavy minerals such as magnetite; limonite and hematite are present in the soil. With increase in organic matter of the soil the particle density decreases. Particle density is also termed as true density.

    Bulk Density :-

    The oven dry weight of a unit volume of soil inclusive of pore spaces is called bulk density. The bulk density of a soil is always smaller than its particle density. The bulk density of sandy soil is about 1.6 g / cm3, whereas that of organic matter is about 0.5. Bulk density normally decreases, as mineral soils become finer in texture. The bulk density varies indirectly with the total pore space present in the soil and gives a good estimate of the porosity of the soil. Bulk density is of greater importance than particle density in understanding the physical behavior of the soil. Generally soils with low bulk densities have favorable physical conditions.

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