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Getu B.
Getu B.

Getu B.

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How to detect/identify reinforcement bars inside the hardened concrete, such as footings and columns without destructing the built concrete?

  1. AdityaBhandakkar

    AdityaBhandakkar

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    This answer was edited.

    Hi, Following are some process to identify the defects and done inspection of Steel bars in reinforcement concrete Eddy current Technique, Single frequency method, Microwave heating of numerical modelling, Refer this methods in ACI for details practical use.

    Hi, Following are some process to identify the defects and done inspection of Steel bars in reinforcement concrete

    1. Eddy current Technique,
    2. Single frequency method,
    3. Microwave heating of numerical modelling,

    Refer this methods in ACI for details practical use.

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aviratdhodare
aviratdhodare

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What happens when the thrust line coincides with the bottom Vern axis of beam? (Prestressed concrete)

  1. nikeetasharma

    nikeetasharma

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    This answer was edited.

    Basically, shear force is the combination of flexural compression which result as C and tends to form an inclined thrust line known as arch. For example consider a simple strut and tie model. Here it may be technically expected that the shear force is supported by the longitudinal resultant.   NαVcoRead more

    Basically, shear force is the combination of flexural compression which result as C and tends to form an inclined thrust line known as arch. For example consider a simple strut and tie model. Here it may be technically expected that the shear force is supported by the longitudinal resultant.  

    NαVcotθNa=αVcotθ

    Shear force is the product of shear stress and area. Thrust line can also affect the stability. 

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CB Sowmya
CB Sowmya

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What is the compressive strength of Fe500 rebars?

  1. Kuldeep Singh

    Kuldeep Singh

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    Kuldeep Singh Learner

    It is generally assumed to be 250 MPa.

    It is generally assumed to be 250 MPa.

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Yousuf arian
Yousuf arian

Yousuf arian

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Is it safe not to build a column at an intersection of two beams?

  1. Fasi Ur Rahman

    Fasi Ur Rahman

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    Fasi Ur Rahman

    Yes, it is safe not to build a column at an intersection of two beams subjected that all the loads are considered, calculated, and transferred via columns placed at the end of the beams.

    Yes, it is safe not to build a column at an intersection of two beams subjected that all the loads are considered, calculated, and transferred via columns placed at the end of the beams.

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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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Maulik vavaliya
Maulik vavaliya

Maulik vavaliya

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What are the different types of steel stacks?

  1. Preet Chovatiya

    Preet Chovatiya

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    Preet Chovatiya Learner

    There are four types of steel stack that generally used in steel stack are as below: Freestanding (Self-supported) steel stack (fig.1) The base support and guyed steel stack (fig.2) The base support and braced steel stack Multi flue stack (fig.3) [caption id="attachment_45199" align="alignnone" widtRead more

    There are four types of steel stack that generally used in steel stack are as below:

    1. Freestanding (Self-supported) steel stack (fig.1)
    2. The base support and guyed steel stack (fig.2)
    3. The base support and braced steel stack
    4. Multi flue stack (fig.3)

    fig.1

    fig.2

    fig.3

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poojan
poojan

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Which type of cement is used in the construction of a pile foundation? Kindly mention the references from codes or guides for the answer.

  1. Madeh Izat Hamakareem

    Madeh Izat Hamakareem

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    Madeh Izat Hamakareem

    Any type of cement can be used as long as the design and durability requirements of the concrete used to construct the pile are met. For instance, if the sulfate attack is expected, it is desirable to select sulfate resistance cement because it produces concrete that withstand sulfate attack. As a rRead more

    Any type of cement can be used as long as the design and durability requirements of the concrete used to construct the pile are met. For instance, if the sulfate attack is expected, it is desirable to select sulfate resistance cement because it produces concrete that withstand sulfate attack. As a result, the produced concrete would durable.

    You can visit the following link to read more about Applications of Different Types of Cement for Concrete Construction:

    https://theconstructor.org/building/applications-cement-types-concrete/7686/

    The ACI code 318-18 provides the design and durability requirements of concrete.

    Design Requirements of Concrete Based on ACI 318-19

    https://theconstructor.org/concrete/design-requirements-concrete/39004/

    Concrete Durability Requirements Based on ACI-318-19

    https://theconstructor.org/concrete/concrete-durability-requirements/39036/

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Vivek Patel
Vivek Patel

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Where is the T beam used in concrete structure?

  1. nikeetasharma

    nikeetasharma

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    Here, the designers gets a natural advantage of using T or L beams in any structure with slab beam construction. It is mainly used in frame type structure. A T-beam or Tee-beam is used in a construction process which is a load bearing structure of a reinforced concrete, wood or metal having T-shapedRead more

    Here, the designers gets a natural advantage of using T or L beams in any structure with slab beam construction. It is mainly used in frame type structure. A T-beam or Tee-beam is used in a construction process which is a load bearing structure of a reinforced concrete, wood or metal having T-shaped cross-section. The vertical section (web) of the beam below the compression flange serves to resist shear stress and to provide greater separation for the coupled forces of bending.
    Therefore, in any situation of beam-slab we can use T-beam.

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