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Rohan Chaugule
Rohan Chaugule

Rohan Chaugule

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What is the Time period of a building and its relation with frequency?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    This answer was edited.
    What is the Time period of a building and its relation with frequency?

    Period of building and its relation with frequency:   Natural period: The natural period of a building is simply a time taken by it to undergo one complete cycle of oscillation. The natural period is one of the properties or building which is controlled by mass and stiffness. Formula to find out natRead more

    Period of building and its relation with frequency:

      Natural period:

    • The natural period of a building is simply a time taken by it to undergo one complete cycle of oscillation.
    • The natural period is one of the properties or building which is controlled by mass and stiffness.
    • Formula to find out natural period is,

    Tn =2π√(m/k) where,

    • Tn is a natural period of building.
    • m is mass
    • k is stiffness

    Reciprocal of the natural period of a building is nothing but the natural frequency and its unit is Hertz(Hz)

    Thank you.

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fathima
fathima

fathima

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Beginner

What is the CBR value for sub grade in road construction?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru

    A clayey soil generally has a low CBR value (less than 8). Sands are more granular and drain better and will generally have CBR values between 15 and 35. Gravel will have the best CBR values, generally 25 and up. That is why it is suggested to save the best material to cap the subgrade.

    A clayey soil generally has a low CBR value (less than 8). Sands are more granular and drain better and will generally have CBR values between 15 and 35. Gravel will have the best CBR values, generally 25 and up. That is why it is suggested to save the best material to cap the subgrade.

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dbnalawade
dbnalawade

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This will help construction professionals to approach to projects for site recruitment. Is there any mapping of ongoing large construction projects in India?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Komal Bhandakkar AUTHOR
    Is there any mapping of on going large construction projects in India?

    India metro rail project : In today's technological world, an ongoing large construction project is India metro rail project. Here I will be discussing on India metro rail project in detail. Introduction : New metro rail (that is Subway) systems present are in under construction and bringing about sRead more

    India metro rail project :

    In today’s technological world, an ongoing large construction project is India metro rail project.

    Here I will be discussing on India metro rail project in detail.

    Introduction :

    New metro rail (that is Subway) systems present are in under construction and bringing about so many changes in more than 15 Indian cities.

    Important key figures :

    • Length of the operational rout: 673.2 kilometre
    •  length of under construction route: 467.87 km
    • Length of the approved route: 457.56 km

    Interesting fact:

    • First oldest metro rail system: Kolkata Metro
    • Newest metro rail system: Nagpur Metro
    • Largest metro system: Delhi Metro
    • Smallest metro system: Ahmedabad Metro

     

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poojan
poojan

poojan

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What are the Indian standards to be referred to when designing the worker colony? Like area per person? Amenities to be provided? Urinals and washbasin and toilet seats to be provided? Area to be provided for laundry purposes?

  1. AdityaBhandakkar

    AdityaBhandakkar

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    This answer was edited.

    Their is the Indian Indenture system in which 2million Indians were transported to labour in European colonies as a substitute for slave labour. The system expanded after the abolition of slavery in the British empire in 1833. Following are some 'Standards for workers’ accommodation: A. National/locRead more

    Their is the Indian Indenture system in which 2million Indians were transported to labour in European colonies as a substitute for slave labour. The system expanded after the abolition of slavery in the British empire in 1833. Following are some ‘Standards for workers’ accommodation: A. National/local standards B. General living facilities C. Room/dormitory facilities D. Sanitary and toilet facilities E. Canteen, cooking and laundry facilities F. Standards for nutrition and food safety G. Medical facilities H. Leisure, social and telecommunication facilities There is a large variety of workers’ living facilities. When cooking for a number of workers, hygiene and food safety are absolutely critical.

    Hope you understood.

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DevilAVRT
DevilAVRT

DevilAVRT

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Beginner

What are the various causes of providing a cavity wall?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru

    The various causes of providing cavity wall are as follows :- 1. Damp Prevention :- Cavity walls reduces the chance of moisture intrusion from outer leaf to the inner leaf and thus helps in keeping inside of the building free from dampness. 2. Thermal Insulation :- The air in the cavity wall acts asRead more

    The various causes of providing cavity wall are as follows :-

    1. Damp Prevention :- Cavity walls reduces the chance of moisture intrusion from outer leaf to the inner leaf and thus helps in keeping inside of the building free from dampness.

    2. Thermal Insulation :- The air in the cavity wall acts as a non-conductor of heat and hence minimizes the transmission of heat from the outer leaf to the internal face of the interior leaf. Thus, cavity walls help in maintaining the thermal insulation of a premise.

    3. Sound Insulation :- The air in the cavity acts as a cushion for absorbing sound. By building cavity walls, a premise may work as a sound proof zone as a large quantity of external noise gets absorbed within the cavity.

    4. Efflorescence Prevention :- As dampness is not allowed to penetrate the cavity, the inner leaf of the cavity, which is always a load bearing wall, is kept free from efflorescence effects.

    5. Economy :- According to ‘W. B. McKay’ (Author of Building Construction), building a 275 mm cavity wall costs less than constructing a 328 mm solid wall (which is of the minimum thickness if dampness has to be mostly avoided). This measuring data may vary from one place to another and on the specific climate of the construction site. One has to calculate the customized details before deciding the measurement of a cavity wall.

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Himanshu joshi
Himanshu joshi

Himanshu joshi

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What is difference between Tie Beam and Plinth Beam?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru

    TIE BEAM :- The beam which connects two or more columns/rafters in a roof/roof truss or in any height above floor level is called tie beam. Tie beams are mainly provided in roof truss and at plinth level. These beams do not convey any floor loads and only act as length breaker for columns where theRead more

    TIE BEAM :-

    The beam which connects two or more columns/rafters in a roof/roof truss or in any height above floor level is called tie beam. Tie beams are mainly provided in roof truss and at plinth level. These beams do not convey any floor loads and only act as length breaker for columns where the floor height is unusually high.

    The main purpose of tie beam is to carry axial compression and to transfer the rafters load to the column. It also prevents column from buckling.

    PLINTH BEAM :-

    The beam which is provided at the plinth level is called plinth beam. In farmed structure, this beam is the first beam constructed after foundation.

    The purpose of plinth beam is to distribute loads of walls over the foundation and it also connect all the columns. It also prevents cracks from the foundation to the wall. It also avoid differential settlement.

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amr soliman
amr soliman

amr soliman

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Beginner

What are the different types of door locks?

  1. vsandeep577@gmail.com

    vsandeep577@gmail.com

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    vsandeep577@gmail.com Beginner

    There are many types of door locks- 1-Deadbolts 2-Knob lock 3-Mortise lock 4-Cam locks 5-Euro profile cylinder 6-Padlocks 7-Lever handle lock 8-Wall mounted lock 9-furniture lock 10-interchangeable core cylinder 11-Key in Knob cylinder 12-Rim latch lock 13-T-handle lock

    There are many types of door locks-
    1-Deadbolts
    2-Knob lock
    3-Mortise lock
    4-Cam locks
    5-Euro profile cylinder
    6-Padlocks
    7-Lever handle lock
    8-Wall mounted lock
    9-furniture lock
    10-interchangeable core cylinder
    11-Key in Knob cylinder
    12-Rim latch lock
    13-T-handle lock

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