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Vivek Patel
Vivek Patel

Vivek Patel

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What is bundled bar in reinforced concrete?

  1. DevilAVRT

    DevilAVRT

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    DevilAVRT Beginner

    A group of reinforced bars, parallelly set to each other to act as a unit should be limited four in a bundle used as reinforcement in reinforced concrete, enclosed by stirrups or ties. Bars greater than 32mm should not be bundled in beams. The development length of every bar of bundled bars should bRead more

    A group of reinforced bars, parallelly set to each other to act as a unit should be limited four in a bundle used as reinforcement in reinforced concrete, enclosed by stirrups or ties. Bars greater than 32mm should not be bundled in beams.

    The development length of every bar of bundled bars should be that for the individual bar, increased by 10 % for two bars in contact, 20 % for three bars in contact, and 33 % for four bars in contact.

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AdityaBhandakkar
AdityaBhandakkar

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What is the maximum width of stair case for public buildings?

  1. nikeetasharma

    nikeetasharma

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    For reduced use staircases such as accesses to lofts, attics and terraces, the minimum width shall be 600mm. The minimum tread shall be 250mm excluding nosing and the maximum riser will be 175mm for all buildings except for internal staircases of apartments, which can be permitted upto 190mm.

    For reduced use staircases such as accesses to lofts, attics and terraces, the minimum width shall be 600mm. The minimum tread shall be 250mm excluding nosing and the maximum riser will be 175mm for all buildings except for internal staircases of apartments, which can be permitted upto 190mm.

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Abbas Khan Civil Engineer
Abbas Khan Civil Engineer

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Which are the different types of welding processes in steel structures and which one is the most common and affordable?

  1. RaghavArora

    RaghavArora

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    The most commonly used and Affordable welding is Stud Welding because it is cost-efficient. The different types of Welding processes in steel structures are as follows:- 1. Stud Welding:- It involves the electric process of welding a fastener on a metal base by heating both the components with an arRead more

    The most commonly used and Affordable welding is Stud Welding because it is cost-efficient.

    The different types of Welding processes in steel structures are as follows:-

    1. Stud Welding:- It involves the electric process of welding a fastener on a metal base by heating both the components with an arc.

    2. Flux Core Welding:- this involves a consumable tubular electrode containing a flux and a constant voltage welding power supply. It’s A portable and fast welding process, and less-skilled workers can easily undergo this.

    3. Shield metal arc welding (SMAW):- it involves a consumable fixed-length electrode covered with a flux, and an electric power source is used to weld two metals together. After the completion of this process, mineral coating flux Of electrode disintegrates and releases a gas Commonly known as Shielding gas, which saves joint from unfavorable atmospheric conditions.

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vivek gami
vivek gami

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What is Castellated Beam? Why we provide it?

  1. Vivek Patel

    Vivek Patel

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    Vivek Patel User

    The castellated beam is a modified steel beam. In which the beam is cut in the central web portion were no great force is present. Cut near to neutral axis of the beam where we required less amount of material mass to resist various force. The opening shape may be hexagonal, rectangular, circular, eRead more

    The castellated beam is a modified steel beam. In which the beam is cut in the central web portion were no great force is present.

    Cut near to neutral axis of the beam where we required less amount of material mass to resist various force.

    The opening shape may be hexagonal, rectangular, circular, etc.

    Due to opening in web we get some benifit

    • Saving in material
    • Lighter weight
    • Due to increased depth allowed, we get more strengthen beam
    • Good aesthetic view
    • Esay handle with roof febrication work.
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Tengo Alaverdashvili
Tengo Alaverdashvili

Tengo Alaverdashvili

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Hi. I am an architect and I’d like to hear your advise. Can this type of brick bond be used for a load bearing wall? I think that this zigzag form makes the wall stronger, but will it be enough? I ...

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Komal Bhandakkar AUTHOR
    This answer was edited.

    In masonary work, we used usually 1:4 cement-sand mortar of compressive strength 3.8N/mm2. The compressive strength of one brick of standard size is 11.12N/mm2. The compressive strength of brick masonry is 2.5 N/mm2.  Thanks.  

    In masonary work, we used usually 1:4 cement-sand mortar of compressive strength 3.8N/mm2.

    The compressive strength of one brick of standard size is 11.12N/mm2.

    The compressive strength of brick masonry is 2.5 N/mm2.

     Thanks.  

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Vineedh Mathew
Vineedh Mathew

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We have noticed some distress in the concrete columns in our apartment, and we have chosen to strengthen it using steel. We are using C section SAIL steel to be fixed on the two sides of the column till it ...

  1. aviratdhodare

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    aviratdhodare

    There could be broadly two types of corrective treatment: a. Support the concrete column with adjoining steel column ( an ISMB section will be better.), for ordinary house 12 feet height column, suggested steel ISMB is 250X 150 mm section. b. if column is found reparable, it is renovated with ‘ JackRead more

    There could be broadly two types of corrective treatment:

    a. Support the concrete column with adjoining steel column ( an ISMB section will be better.), for ordinary house 12 feet height column, suggested steel ISMB is 250X 150 mm section.

    b. if column is found reparable, it is renovated with ‘ Jacketing ‘ around it. That is, scarp old peeling plaster, reach to reinforcing material, apply corrosive preventive liquids available from a good hardware store. Then, tie new reinforcement over the old reinforcement. Over it place 4-inch fresh cement concrete with aggregate of 12mm. Of course, steal or wooden scaffolding will be required.

    It will increase the size of the column but will give strength to it.

    BUT Note: if the column has already buckled down.. it is advisable to immediately get the help of an engineer and show him the site because if the column collapses, building or roof over it is in danger.

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Himanshu joshi
Himanshu joshi

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What is the effect of steel and aluminum, if we use it as reinforcement in structure?

  1. vivek gami

    vivek gami

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    vivek gami User

    Both have different properties & a separate cost which describes below. steel As compared aluminium,steel have less corrosion resistance Steel are chiper than aluminium Steel give lesser malleability and elastic properties than aluminium In weight steel have higher weight Steel is tough & haRead more

    Both have different properties & a separate cost which describes below.

    steel

    • As compared aluminium,steel have less corrosion resistance
    • Steel are chiper than aluminium
    • Steel give lesser malleability and elastic properties than aluminium
    • In weight steel have higher weight
    • Steel is tough & harder than alluminium
    • Generally we use steel as a reinforced member in concrete structures
    • Esay to weld with other structural components.

    Aluminum

    • Higher corrosion resistance
    • Higher cost
    • Higher
    • malleability and elastic properties
    • Lesser weight
    • Generally we not use in concrete
    • Difficult to weld
    • Aluminum is soft metal compare to steel.

     

    We are generally use steel as a reinforcement.

    We doesn’t use aluminium because of soft metal property

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