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Construction Site Related

Home/Construction Site Related/Page 8

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Asked: November 27, 2017In: Construction Site Related

What Concrete Grade Should be Used for Basement Waterproofing?

Gopal Mishra
Gopal Mishra

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What grade of concrete to be used for waterproofing of basement of apartment?

  1. aviratdhodare

    aviratdhodare

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    aviratdhodare
    Added an answer on October 3, 2020 at 11:26 am

    Water proofing is done using shotcrete not concrete. Basement should be built using concrete . Water proofing can also be done by polymer membrane systems called tanking ( refer to CIRIA). I used ACI 506 to design shotcrete. Its should be of 28Mpa strength using 12mm down aggregates.

    Water proofing is done using shotcrete not concrete. Basement should be built using concrete . Water proofing can also be done by polymer membrane systems called tanking ( refer to CIRIA).

    I used ACI 506 to design shotcrete. Its should be of 28Mpa strength using 12mm down aggregates.

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Asked: July 7, 2020In: Construction Site Related

Which is best material for G+12 building, RCC or Composite of RCC & Steel?

Preet Chovatiya
Preet Chovatiya

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Which is effective in terms of costing for G+12 building – RCC or Composite (RCC+Steel)?

  1. AdityaBhandakkar

    AdityaBhandakkar

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    Added an answer on October 6, 2020 at 2:34 pm
    This answer was edited.

    Hi, To solve this query first you must have to know what is a composite structure and RCC structure. Composite structure building exists when the two different materials are bound together by any means in a very strong manner so that they can act as a single component give a structural point of viewRead more

    Hi, To solve this query first you must have to know what is a composite structure and RCC structure.

    Composite structure building exists when the two different materials are bound together by any means in a very strong manner so that they can act as a single component give a structural point of view.

    Reinforced cement concrete buildings is a composite material but having low tensile strength and ductility which are encountered by the inclusion of reinforcement having higher tensile strength and ductility. Indian forced cement concrete structures reinforcement abound with cement concrete and both the members are really strong and compression and tension.

    So if I concluded for G+ 12 types of painting reinforced cement concrete structures is used because it has very high tensile and ductility property and gives a high resistance against competition and tension also.

    Hope you get the concept.

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Asked: October 8, 2020In: Construction Site Related

What shall be the spacing for core cutter sample for dry density determination for each layer while constructing long embankment?

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

    AdityaBhandakkar

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    Added an answer on October 16, 2020 at 12:45 pm
    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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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: July 10, 2020In: Construction Site Related

Why are fly ash bricks not used so frequently as compared to red bricks?

Abhishek singh
Abhishek singh

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Why are fly ash bricks not used so frequently as compared to red bricks even though fly ash bricks offer better quality and strength, particularly in India?

  1. Abbas Khan Civil Engineer

    Abbas Khan Civil Engineer

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    Added an answer on July 13, 2020 at 8:39 pm

    Because Fly Ash bricks have low mechanical strength. The another major factor is the limitation on size of fly ash bricks.Only small and modular sizes of bricks are possible. Larger size of bricks have will have more breakages. In colder areas, fly ash bricks are unable to absorb heat. The lack of tRead more

    Because Fly Ash bricks have low mechanical strength.

    The another major factor is the limitation on size of fly ash bricks.Only small and modular sizes of bricks are possible.

    Larger size of bricks have will have more breakages.

    In colder areas, fly ash bricks are unable to absorb heat.

    The lack of trend is also an important factor of less use.

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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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Asked: July 13, 2020In: Construction Site Related

What are the quick tests to check the quality of material on site?

Nimesh Gajera
Nimesh Gajera

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There are laboratory tests to determine the quality of material, but I want to know how anyone should check the quality of material on the actual construction site?

  1. vivek gami

    vivek gami

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    Added an answer on July 14, 2020 at 5:13 pm

    yes obviously for cement on cement bag some standard information should be printed like the type of cement, pozzolana content, IS code of that type, week of packing, it should have a greenish color it should give smooth feeling when putting your hand in cement bag and doesn't present any lumps WhenRead more

    yes obviously

    for cement

    on cement bag some standard information should be printed like the type of cement, pozzolana content, IS code of that type, week of packing,

    it should have a greenish color

    it should give smooth feeling when putting your hand in cement bag and doesn’t present any lumps

    When it throw on the water surface, it should stay on the surface before the sink for some time.

    cement bag should be used within three months of manufacturing

    for sand

    Basically, we check clay content in the sand by sand, taken in hand, and rub it. If there is clay is present, then particular clay sticks with hand moisture so we can observe easily.

    sand should be washable

    We can also check its uniformity by sieve if it’s present on site.

    aggregate

    aggregate should have well-graded we can check it by check packing (interlocking structure ) of it

    aggregate should not have any clay contain

     

    and other material we can check it by various experience .

     

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Asked: July 24, 2020In: Construction Site Related

What considerations must be made when building on a site of special scientific interest (SSSI)?

DevilAVRT
DevilAVRT

DevilAVRT

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What considerations must be made when building on a site of special scientific interest (SSSI)?

  1. nikeetasharma

    nikeetasharma

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    Added an answer on December 17, 2020 at 1:42 pm

    Sites of Special Scientific Interest give legal protection to the best sites for wildlife and geology in England and Wales. They are the areas of land that Natural England Resources Wales designate as being of special interest because of their flora, geological or physiographical features, such as wRead more

    Sites of Special Scientific Interest give legal protection to the best sites for wildlife and geology in England and Wales. They are the areas of land that Natural England Resources Wales designate as being of special interest because of their flora, geological or physiographical features, such as wetlands, rivers, meadows, beaches and peat bogs.

    The consideration must be made are as follows :-

    – Proper planning should be done.
    – The approval should be needed.
    – Land should be surveyed and all the test should be performed.
    –

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