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Construction Site Related

Home/Construction Site Related/Page 7

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Asked: October 10, 2020In: Construction Site Related

How to pour Concrete in Narrow/Sleak Columns?

Velisiwe Purity
Velisiwe Purity

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How to pour Concrete in Narrow/Sleak Columns?

  1. Preet Chovatiya

    Preet Chovatiya

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    Added an answer on November 28, 2020 at 7:11 pm

    You can use Self Compacted Concrete to use for narrow columns. It also used where the reinforcement is heavy and process of compaction is not available/difficult to compact.

    You can use Self Compacted Concrete to use for narrow columns. It also used where the reinforcement is heavy and process of compaction is not available/difficult to compact.

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Asked: September 22, 2020In: Construction Site Related

How can we install a solar panel in the slab?

Komal Bhandakkar
Komal Bhandakkar

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How can we install a solar panel in the slab?

  1. Kuldeep Singh

    Kuldeep Singh

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    Added an answer on September 25, 2020 at 4:08 pm

    Why Install it in the slab? A solar panel is not a load bearing structure. You cannot use it for structural purposes. That is simply a bad decision because solar panels are costly and hence they need to be kept safe from damage. We can install them above the slab though if we wish to. But again, slaRead more

    Why Install it in the slab? A solar panel is not a load bearing structure. You cannot use it for structural purposes. That is simply a bad decision because solar panels are costly and hence they need to be kept safe from damage. We can install them above the slab though if we wish to.

    But again, slabs are horizontal and it’s foolish to install a horizontal solar panel. You’ll never see it that way anywhere except for at the equator. That is because sunlight mostly falls at a slant and to grab maximum intensity, the solar panel has to be perpendicular to the sun rays which will never be horizontal. Beyond the tropics, sunlight will never fall vertical ever in a year. So, no chance of installing a solar panel in the slab. Only if there’s a non load bearing slab cast to hold the solar panel, then it might be possible but that too is a bad idea because it will unnecessarily add to building cost, time and weight.

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Asked: August 2, 2020In: Construction Site Related

What is the difference between Grit and Aggregate?

vivek gami
vivek gami

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What is the difference between Grit and Aggregate?

  1. aviratdhodare

    aviratdhodare

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    Added an answer on January 5, 2021 at 1:49 pm

    Aggregates less than size 6mm is called as Grit, while agg's more than 6mm in size is termed as Kapchi. Words Grit & Kapchi instead of Aggregates are normally used in Asphalt road works rather than in cement concrete works. In cement concrete mix, you can use Grit as a part of fine aggregates orRead more

    Aggregates less than size 6mm is called as Grit, while agg’s more than 6mm in size is termed as Kapchi. Words Grit & Kapchi instead of Aggregates are normally used in Asphalt road works rather than in cement concrete works. In cement concrete mix, you can use Grit as a part of fine aggregates or Coarse Sand.

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Asked: October 31, 2017In: Construction Site Related

How to Inspect Painting Works in Building?

Gopal Mishra
Gopal Mishra

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Is there any procedure or method statement or guideline for inspection of painting works in buildings?

  1. AdityaBhandakkar

    AdityaBhandakkar

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    Added an answer on September 18, 2020 at 6:36 pm
    How to Inspect Painting Works in Building?

    Hi, Inspection is mainly for maintenance and modifications in paintings. Proper steps for inspection of any painting works are not mentioned in any codes. But following are some suggestions for inspection and maintenance, please go through an article, https://test.theconstructor.org/building/methodsRead more

    Hi, Inspection is mainly for maintenance and modifications in paintings.

    Proper steps for inspection of any painting works are not mentioned in any codes. But following are some suggestions for inspection and maintenance, please go through an article,

    https://test.theconstructor.org/building/methods-process-painting-different-surfaces/17849/

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Asked: September 23, 2020In: Construction Site Related

What is the need of Soil Testing before Construction?

nikeetasharma
nikeetasharma

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What is the need of Soil Testing before Construction?

  1. aviratdhodare

    aviratdhodare

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    aviratdhodare
    Added an answer on September 25, 2020 at 4:09 pm

    It is necessary to check the nature of the soil before you build your dream home. The ground where you are wanting to build your dream home, it is necessary to check the soil nature of it before starting construction work. Soil testing is first done to test the bearing capacity of the soil. The physRead more

    It is necessary to check the nature of the soil before you build your dream home. The ground where you are wanting to build your dream home, it is necessary to check the soil nature of it before starting construction work.

    Soil testing is first done to test the bearing capacity of the soil. The physical and chemical configuration of the soil is checked during this process. The soil must be able to withstand the load of the structure. The nature of soil decides the bearing limit as well as guarantees to decide the structural adjustment. The nature of soil relies on different factors, for example, climate, environmental change and for as far back as years the land was sent for what reason and what was there before.

    The length and depth of the footing are decided during the foundation relying on the nature of the soil. The water level of the soil can only be resolved from soil testing. In light of the soil testing results, the nature of the material can be chosen. For instance, because of dampness the zone is lead to corrosion, at that point it is essential to pick just corrosion safe TMT Bars for the construction.

    A soil test is a very significant step in construction before it starts. If the soil testing isn’t done, at that point the structure will be presented to various failures and the final result could be lethal.

    Types of Soil Testing for Construction

    Gravity Test

    Moisture Test

    Atterberg Limits Test

    • Liquid Limit
    • Plastic Limit
    • Shrinkage Limit

    Dry Density Test

    • Core Cutter Method
    • Sand Replacement Method

    Proctor’s Compaction Test

     

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Asked: May 16, 2020In: Construction Site Related

How to Test Quality of Steel Reinforcement at Construction Site?

Abhishek Kirave
Abhishek Kirave

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For the reinforcement work we required the best quality of Rebar. How we can test the quality of steel reinforcement on the work site? What type of simple site test for finding steel quality?

  1. aviratdhodare

    aviratdhodare

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    aviratdhodare
    Added an answer on October 28, 2020 at 11:12 pm

    Eight major pts: Manufacturer Certificate Grade of steel Ultimate & bearing strength of steel Length of Bar Std length = 12m. Wt of bar Using formula, W = (DxD)/162 kg/m For 10mm dia, W = (10x10)/162 = 0.617 kg/m Dia of Bar Randomly check the dia of bar using "Vernier Caliper" from each lots ofRead more

    Eight major pts:

    • Manufacturer Certificate
    1. Grade of steel
    2. Ultimate & bearing strength of steel
    • Length of Bar
    1. Std length = 12m.
    • Wt of bar
    1. Using formula, W = (DxD)/162 kg/m
    2. For 10mm dia, W = (10×10)/162 = 0.617 kg/m
    • Dia of Bar
    1. Randomly check the dia of bar using “Vernier Caliper” from each lots of diff dia.
    • Tag on Bar
    1. ISI Mark
    2. Grade of Steel
    3. Company logo/Name
    • Color of Bar
    1. Should be grey & not any rusted color.
    • Bend Test
    1. Bend the bar at 180° & observe the behavior of the rebar.
    • Re-Bend Test
    1. Bend the bar at 135° & observe the behavior of the rebar.
    2. Place it in 100°C hot water for 30 mins. Then bend at 157.5° & observe the behavior of the rebar.

    Most imp’ly, the bars should have grips on it.

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Asked: July 10, 2020In: Construction Site Related

Why are Concrete roads preferred over Asphalt Road?

fathima
fathima

fathima

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Why are Concrete roads preferred over Asphalt Road?

  1. Preet Chovatiya

    Preet Chovatiya

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    Added an answer on July 13, 2020 at 9:05 pm

    The concrete roads are preferred over asphalt road because Concrete roads are long-lasting around the 20-40 year lifespan. It is also recycled after crushing into gravels, so It cost nothing or very little cost. It creates less environmental pollution than an asphalt road. High load and pressure resRead more

    The concrete roads are preferred over asphalt road because Concrete roads are long-lasting around the 20-40 year lifespan.

    It is also recycled after crushing into gravels, so It cost nothing or very little cost.

    It creates less environmental pollution than an asphalt road.

    High load and pressure resistance.

     

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Asked: July 22, 2020In: Construction Site Related

How we can reduce wastage of Concrete during pumping of concrete?

Kenil Vavaliya
Kenil Vavaliya

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How we can reduce wastage of Concrete during pumping of concrete?

  1. DevilAVRT

    DevilAVRT

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    DevilAVRT Beginner
    Added an answer on July 23, 2020 at 1:21 pm

    Estimate pouring speed and match it production speed to avoid waiting and approaching it's setting time, keep home work-ready with trials for options (e.g., redosing with SP) for reusing leftover concrete, inform Batching plant when 10% of the pour is balanced and reduce trucks carrying concrete theRead more

    Estimate pouring speed and match it production speed to avoid waiting and approaching it’s setting time, keep home work-ready with trials for options (e.g., redosing with SP) for reusing leftover concrete, inform Batching plant when 10% of the pour is balanced and reduce trucks carrying concrete thereafter, explore the scope for casting precast blocks from leftover / used in testing, etc. concrete,
    Deploy a supervisor to be in touch with Batching Plant from site to hold or slow down concrete supply if there is any issue at the site, keep critical spare parts of Concrete Pumps, etc. available at site 24 x 7, deploy an experienced Pump operator and a Concrete specialist at the site

    1. Small precast forms(curbs, drain slabs, etc., which are needed in the project) to be kept ready at the site near the RMC pouring area fresh concrete waste needs to be handled into these forms. Optimum labor to be maintained to handle these operations.

    2. Retrieve the aggregates by washing off the waste concrete.

    3. Order the right quantity of concrete required to finish the pour, hence reducing the wastage.

    4. Have at least one spare pump at the site when pouring a large quantity of concrete.

    5. Have the right waste concrete segregation pits at RMC plants to wash the wet concrete and to retrieve the coarse aggregates.

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