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fathima
fathima

fathima

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What is the percentage of fineness content in OPC for construction works?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru

    The most active part of cement is the material finer than 10-15 nanometer. Furthermore, a fine grind of cement clinker is able to coat the surfaces of aggregates more completely than coarse material enabling intimate contact of the resultant paste or mortar.

    The most active part of cement is the material finer than 10-15 nanometer. Furthermore, a fine grind of cement clinker is able to coat the surfaces of aggregates more completely than coarse material enabling intimate contact of the resultant paste or mortar.

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vivek gami
vivek gami

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What is SOR? Which department publishes SOR?

  1. nikeetasharma

    nikeetasharma

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    The schedule of rates provides a basic frame work to evaluate cost estimate of the projects. In the process of project costing based on this schedule of rates, the additional cost involved in carriage of materials from approved sources to site of work shall be added to arrive at the actual executionRead more

    The schedule of rates provides a basic frame work to evaluate cost estimate of the projects. In the process of project costing based on this schedule of rates, the additional cost involved in carriage of materials from approved sources to site of work shall be added to arrive at the actual execution cost.

    Central Public Works Department publishes SOR.

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Maulik vavaliya
Maulik vavaliya

Maulik vavaliya

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What are the responsibilities of a construction manager?

  1. Preet Chovatiya

    Preet Chovatiya

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    Preet Chovatiya Learner

    The following roles or responsibility should have in construction manager are:- Review work on daily basis Meet contractual condition of performance Review the project in depth Take out the estimate of whole project Schedule activity according to time limit of project Prepare internal and external rRead more

    The following roles or responsibility should have in construction manager are:-

    1. Review work on daily basis
    2. Meet contractual condition of performance
    3. Review the project in depth
    4. Take out the estimate of whole project
    5. Schedule activity according to time limit of project
    6. Prepare internal and external reports of a work.
    7. For preventing problems plan ahead always.
    8. Analyze, mitigate and manage task.
    9. Ensure the quality of construction during work in progress.
    10. Effective coordination between contractor and sub contractor as well.
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dbnalawade
dbnalawade

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Which agencies in India are having a license to certify and calibrate construction testing equipments?

  1. Tips_and_tricks

    Tips_and_tricks

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    Any NABL certified laboratory can calibrate the equipments. You can find the list here List-Of-NABL-Accredited-Labs

    Any NABL certified laboratory can calibrate the equipments.

    You can find the list here

    List-Of-NABL-Accredited-Labs

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Gopal Mishra
Gopal Mishra

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How can the reinforcement bars be made corrosion resistant to be used for reinforced concrete construction?

  1. nikeetasharma

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    nikeetasharma Guru

    CORROSION refers to an electrochemical reaction between a metal and its environment. Steel will readily rust unless it is coated. Corrosion occurs when steel reacts with chloride ions (Cl-), CO2 in the presence of a toxic environment. Thus, corrosion is uneven erosion/pitting of metal surface due toRead more

    CORROSION refers to an electrochemical reaction between a metal and its environment. Steel will readily rust unless it is coated. Corrosion occurs when steel reacts with chloride ions (Cl-), CO2 in the presence of a toxic environment. Thus, corrosion is uneven erosion/pitting of metal surface due to intense rusting and is also harmful to the service performance of rebar.

    There are many ways of reducing the risk of corrosion-related distress in concrete. The first defencing layer is concrete, which should be thick and dense. Also, the cracks should be minimized. The concrete cover should be used appropriately.

    An additional measure for corrosion-resistant is that corrosion inhibiting admixtures should be used. Epoxy coatings should be done on rebar, which acts as a physical barrier and also isolates the steel from oxygen, moisture, and chloride ions (which are the three primary elements needed for corrosion to occur).

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Muksit Pathan
Muksit Pathan

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While constructing long embankment (appx 4 km) in multiple layers of 300mm depth, what shall be spacing of core cutter samples to ensure adequate dry density measurement.

  1. AdityaBhandakkar

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    This answer was edited.

    Hi, There are not any specific criteria for the spacing of sample taken, and the decision is purely based upon site civil engineers and various criteria of soils and on observations. if you found soil which is less compacted or even is created then take samples for observation and check the bulk denRead more

    Hi, There are not any specific criteria for the spacing of sample taken, and the decision is purely based upon site civil engineers and various criteria of soils and on observations. if you found soil which is less compacted or even is created then take samples for observation and check the bulk density of soil and moisture content. Please refer to the following article for details about core cutter method and its applications: Link: https://test.theconstructor.org/geotechnical/dry-density-of-soil-by-core-cutter-method/2680/

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civl engineer
civl engineer

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What is Stucco Plaster?

  1. nikeetasharma

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    nikeetasharma Guru

    Stucco is applied by an industry specialist to the interior and exterior walls. An expert can apply the plaster manually or by using a machine. This portland cement plaster can be used on concrete wall systems, or on a frame structure. It is used for siding, or to cover concrete, cinder block, clayRead more

    Stucco is applied by an industry specialist to the interior and exterior walls. An expert can apply the plaster manually or by using a machine. This portland cement plaster can be used on concrete wall systems, or on a frame structure. It is used for siding, or to cover concrete, cinder block, clay brick or adobe.

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[Deleted User]
[Deleted User]

Which type of Paint is Best for the Exterior walls of the Building?

  1. aviratdhodare

    aviratdhodare

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    aviratdhodare

    External walls have to be bear many things like bad weather, stormy winds, temperature variations, etc., So they have to be very tough, impenetrable. So the paint to be applied on that should help the wall do so. For exterior walls paints must have these properties..... UV resistance Water resistancRead more

    External walls have to be bear many things like bad weather, stormy winds, temperature variations, etc., So they have to be very tough, impenetrable.

    So the paint to be applied on that should help the wall do so.

    For exterior walls paints must have these properties…..

    1. UV resistance
    2. Water resistancE
    3. Dirt pickup resistance
    4. Thermal insulation
    5. Anti algae & anti fungal property
    6. Wet scrub resistance

    Apart from these many other properties like good sheen, highly elongation, etc must be in high extent in the paint for best performance.

    Paints good to be applied on the outer walls are

    • Latex based
    • satin and eggshell

    Now the brands

    In the current scenario, given the R & D development most companies like Asian paints, Berger, Nerolac have similar quality paint. Slightly ahead would be Dulux.

    The most important thing is not the paint but the painter

    In the case of Exterior Paints Dulux Weathershield, Nerolac Excel, Asian Paints Ultima Protek, and Apex Ultima pitch in. It is good to choose products that suit your requirements rather than brands while choosing paints for interiors and exteriors of houses.

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