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Abbas Hilo
Abbas Hilo

Abbas Hilo

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What is the reinforced concrete deep beam and where it used?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru

    Reinforced concrete deep beam is defined as that members with clear spans in equal or less than four times the overall member depth or regions of beams that are loaded on one face with concentrated loads within twice the member depth from the support and supported on the opposite face so that compreRead more

    Reinforced concrete deep beam is defined as that members with clear spans in equal or less than four times the overall member depth or regions of beams that are loaded on one face with concentrated loads within twice the member depth from the support and supported on the opposite face so that compression struts can be developed between the loads and supports.

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amr soliman
amr soliman

amr soliman

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What are the common roof types?

  1. nikeetasharma

    nikeetasharma

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    Roof is the most important part of the building. Thus, we can say without roof our building or house is incomplete. There are many types of roofs available which are classified on the basis of their shape and size. Hence, knowing your roof style also can help you to decide what roof material or shinRead more

    Roof is the most important part of the building. Thus, we can say without roof our building or house is incomplete. There are many types of roofs available which are classified on the basis of their shape and size. Hence, knowing your roof style also can help you to decide what roof material or shingle works is best for your home.

    Some of the common roof types are as follows ;
    1. Saltbox Roofs
    2. Mansard Roofs
    3. Gambrel Roofs
    4. Pyramid Roofs
    5. Hip Roofs
    6. Cross Gabled Roofs
    7. Flat Roofs
    8. Bonnet Roofs
    9. Skillion Roofs
    10. Sawtooth
    11. Butterfly Roofs
    12. Curved Roofs
    13. Domed Roofs

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    • 17
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Abbas Khan Civil Engineer
Abbas Khan Civil Engineer

Abbas Khan Civil Engineer

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What commands and tools are used in GIS to develop land development and urban planning and housing?

  1. nikeetasharma

    nikeetasharma

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    GIS can help to store, manipulate and analyze physical, social, and economic data of the city. Planners can then use the spatial query and mapping functions of GIS to analyze the existing situation in the city. GIS also helps in identifying changes in geographical features or behaviour of a land oveRead more

    GIS can help to store, manipulate and analyze physical, social, and economic data of the city. Planners can then use the spatial query and mapping functions of GIS to analyze the existing situation in the city. GIS also helps in identifying changes in geographical features or behaviour of a land over a specified time.

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VSR
VSR

VSR

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I would like to know which grade cement  (43 or 53) is most suitable for Concrete works, Columns, and slabs with M-sand, and what is the curing period?    

  1. Fasi Ur Rahman

    Fasi Ur Rahman

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    Fasi Ur Rahman EDITOR

    Dear VSR, The best suitable grade of cement for structural members such as columns and pillar depends upon the design. Which type of cement is considered at the time of the design of these structural members? For general construction, it is recommended to use 43-grade cement as the 53-grade cement iRead more

    Dear VSR,

    The best suitable grade of cement for structural members such as columns and pillar depends upon the design. Which type of cement is considered at the time of the design of these structural members?
    For general construction, it is recommended to use 43-grade cement as the 53-grade cement is used for fast-paced construction, rapid setting and it requires proper care while curing.
    Grades of Ordinary Portland Cement-Based on IS Codes

    Either you use natural sand or M-sand, there is no such difference in the strength of the concrete.

    Lastly regarding the curing time, the curing period for any concrete member shall be 28days.

    Curing of Cement Concrete – Time and Duration

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MohamedAquib
MohamedAquib

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What is the difference between Granular Sub Base (GSB) & Wet Mix Macadam (WMM) in Pavement structures? What is the maximum size of the aggregates to be used in GSB & WMM?

  1. Komal Bhandakkar

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    This answer was edited.

    Difference between granular sub-base and wet mix macadam in payment structure: The wet mix macadam mostly consists of laying spreading and compacting of clean, crushed, well-graded granular material that is prepared and approved granular sub-base. Single compacted wet mix macadam player shall not beRead more

    Difference between granular sub-base and wet mix macadam in payment structure:

    The wet mix macadam mostly consists of laying spreading and compacting of clean, crushed, well-graded granular material that is prepared and approved granular sub-base.

    Single compacted wet mix macadam player shall not be less than 75mm.

    Whenever we are using vibrating compacting equipment then compacted depth of a single layer of the course of the subway may be up to 200 mm.

    Wet mix macadam shall be prepared in an approved of water macadam mixing plant.

    Here replacing the aggregate fraction should be retained on 22.4 mm sieve with materials of passing from 22.4 and written on 4.75 mm.

    While the addition of water, the evaporation loss shall be considered the mixed material shall be uniformly wet and segregation will take place.    

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Ancy Joby
Ancy Joby

Ancy Joby

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What is Fly Levels in Surveying?

  1. Soumyadeep Halder

    Soumyadeep Halder

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    Soumyadeep Halder User

      Fly levelling it is a very approximate form of levelling in which sights are taken as largeas possible. In this method a line of levels is run to determine approximately reduced levelsof the points carried out with more rapidly and less precision. It is a levelling that is done toconnect bencRead more

     
    Fly levelling
    it is a very approximate form of levelling in which sights are taken as largeas possible. In this method a line of levels is run to determine approximately reduced levelsof the points carried out with more rapidly and less precision. It is a levelling that is done toconnect benchmark to the starting point of the survey line. In this levelling only back sightand fore sight readings are taken and auto level is moved strictly on the line joining benchmark and starting point of survey line

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dhiraj010kumar
dhiraj010kumar

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While preparing a Design Mix for any Grade, if we have aggregated in two sizes like 10 mm & 20 mm or In fact Sometimes, we do use to have 40 mm aggregate as well. Is there Any IS Code Provision ...

  1. dbnalawade

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    Following points part of the answer to the question : IS 456  and IS 1343 are the code of practice you can use. The method of proportions aggregates for concrete is part design mix process. Size and Grading impacts the design mix greatly. larger the size of aggregate smaller is the cement requiremenRead more

    Following points part of the answer to the question :

    • IS 456  and IS 1343 are the code of practice you can use.
    • The method of proportions aggregates for concrete is part design mix process.
    • Size and Grading impacts the design mix greatly.
    • larger the size of aggregate smaller is the cement requirement for a given W/C ratio
    • Compressive strength of the mix tends to increase with decrease in aggregate size.
    • perform gradation tests using sieves. Coarse aggregates should conform to table 2 of IS 383 and Fine aggregate should conform to Zone 1 of IS 383

    There is ACI method available for the same exercise ACI 211.1is the code you can use.

     

    Hope this helps.

     

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vivek gami
vivek gami

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We all know about slag cement, but what is slag which is used in cement? How slag affect cement property?

  1. Nimesh Gajera

    Nimesh Gajera

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    Nimesh Gajera Learner

    Slag is actually a by-product of the smelting process to obtain metal from raw ore. Slag cement is made by grounding blast furnace slag to proper fineness and used as a replacement of portland cement. Slag has some cementitious properties itself. Slag cement gives some extra strength, enhance resistRead more

    Slag is actually a by-product of the smelting process to obtain metal from raw ore. Slag cement is made by grounding blast furnace slag to proper fineness and used as a replacement of portland cement. Slag has some cementitious properties itself. Slag cement gives some extra strength, enhance resistance to chemical attack, reduce permeability, protect rebar from corrosion. And it has some disadvantages like it reduces the initial setting time of cement.

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