Structural Engineering

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Asked: In:
Preet Chovatiya
Preet Chovatiya

Preet Chovatiya

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What are the reasons of Building Collapse?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    This answer was edited.

    I will provide you a list which causes the building to collapse. Defective building design Faulty construction & More extra loads Failure of foundation Unexpected failure mode Soil liquefaction Demolition through explosives Earthquake Tsunami Typhoon and winds with high speed. Landslides or settRead more

    I will provide you a list which causes the building to collapse.

    1. Defective building design
    2. Faulty construction & More extra loads
    3. Failure of foundation
    4. Unexpected failure mode
    5. Soil liquefaction
    6. Demolition through explosives
    7. Earthquake
    8. Tsunami
    9. Typhoon and winds with high speed.
    10. Landslides or settlement of Sub-base soil due to over drainage.
    11. Soil with less bearing capacity.
    12. Errors in structural design.
    13. Inferior quality of cement and integrants is used.
    14. Use after the expiry of the life of buildings.
    15. Maintenance not done properly.
    16. Proper Foundation not provided.
    17. Less amount of reinforcement provided.
    18. Reinforcement corroded.

      Thank You.

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    • 8
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Vivek Patel
Vivek Patel

Vivek Patel

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What is the diffrence between lap length and development length?

  1. nikeetasharma

    nikeetasharma

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    lap length is required when bars placed short of their required length (due to nonavailability of longer bars) need to be extended. lap length is to be provided to safely transfer the load. Development length is provided to transfer the load from steel to concrete. It is also known as anchorage lengRead more

    lap length is required when bars placed short of their required length (due to nonavailability of longer bars) need to be extended. lap length is to be provided to safely transfer the load.

    Development length is provided to transfer the load from steel to concrete. It is also known as anchorage length.

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    • 37
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vivek gami
vivek gami

vivek gami

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Who have higher modulus of elasticity rubber or steel?

  1. nikeetasharma

    nikeetasharma

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    Here if the matter comes about higher modulus of elasticity between rubber or steel then we can say steel is more elastic than rubber. We know that young's modulus is the ratio of stress to the strain. Therefore, for a given stress, the strain produced in steel is much smaller than that produced inRead more

    Here if the matter comes about higher modulus of elasticity between rubber or steel then we can say steel is more elastic than rubber. We know that young’s modulus is the ratio of stress to the strain. Therefore, for a given stress, the strain produced in steel is much smaller than that produced in rubber. This implies that Young’s modulus for steel is greater than that for rubber.

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vivek gami
vivek gami

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What is fatigue in any structural member?

  1. nikeetasharma

    nikeetasharma

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    Concrete fatigue refers to the phenomenon of rupture under repeated loadings, each of which is smaller than a single static load that exceeds the strength of material.

    Concrete fatigue refers to the phenomenon of rupture under repeated loadings, each of which is smaller than a single static load that exceeds the strength of material.

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Vivek Patel
Vivek Patel

Vivek Patel

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What is diffrence between retaining wall and breast wall?

  1. vivek gami

    vivek gami

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    vivek gami User

    Basic difference is retaining wall is designed to resist backfill earth pressure and breast wall is resist for natural earthen slope of hilly area In hill. When road is construct, at that time we need to cut-off some portion of hill and basically we construct two wall one is breast wall which is onRead more

    Basic difference is retaining wall is designed to resist backfill earth pressure and breast wall is resist for natural earthen slope of hilly area

    In hill. When road is construct, at that time we need to cut-off some portion of hill and basically we construct two wall one is breast wall which is on hill side of the road to give stability of hill slop and another one is retaining wall which is construct on valley side of road which wall have backfill pressure plus road pressure on backfill so we need to design retaining wall for that backfill & surcharge .

    See figure for different between retaining wall and breast wall.

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    • 15
Asked: In:
Vivek Patel
Vivek Patel

Vivek Patel

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Why we provide distribution Steel in slab?

  1. nikeetasharma

    nikeetasharma

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    Distribution bars placed on the top of the main bar. Main reinforcement bars are used to transfer the bending moment developed at the bottom of the slab. Distribution bars are used to hold the slabs on either way and to resist the cracks and shear stress developed at the top.

    Distribution bars placed on the top of the main bar. Main reinforcement bars are used to transfer the bending moment developed at the bottom of the slab. Distribution bars are used to hold the slabs on either way and to resist the cracks and shear stress developed at the top.

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Himanshu joshi
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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    • 1
Asked: In:
vivek gami
vivek gami

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What is the benefit of smaller dia steel instead of larger dia steel in slab and beam?

  1. nikeetasharma

    nikeetasharma

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    Having smaller diameter rebar distributed throughout the structure also distributes the load from the concrete to the steel more effectively as there is a greater area of contact for adhesion between the two.

    Having smaller diameter rebar distributed throughout the structure also distributes the load from the concrete to the steel more effectively as there is a greater area of contact for adhesion between the two.

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