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Home/Construction Site Related/Page 8

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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

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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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Asked: September 12, 2020In: Construction Site Related

How to Calculate the Lifespan of any Building?

AdityaBhandakkar
AdityaBhandakkar

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How to Calculate the Lifespan of any Building?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Added an answer on September 22, 2020 at 1:52 pm
    How to Calculate the Lifespan of any Building?

    Aditya, Here you are asking about Life Cycle Assessment (LCA) of structure. The life span of structure will vary according to the type of structure. There is no formula available to calculate the life span of any structure. Different parameters we should take into mind while doing a calculation of lRead more

    Aditya,

    Here you are asking about Life Cycle Assessment (LCA) of structure.

    The life span of structure will vary according to the type of structure.

    There is no formula available to calculate the life span of any structure.

    Different parameters we should take into mind while doing a calculation of life span of structure, they are as follows;

    Building Construction Material:

    • RCC structure

    Structural Design:

    • Mostly influencing parameter.
    • Vary as per Building Construction Material.

    The locality of structure construction: E

    • Earthquake-prone area
    • HFL (High Flood Level) zone

    Height of structure.


     Kindly noted that I have attached one photo of the life span of various structures.

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Asked: July 31, 2020In: Construction Site Related

What is Nainital Corrugated Sheets?

Vivek Patel
Vivek Patel

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What is Nainital Corrugated Sheets?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Komal Bhandakkar AUTHOR
    Added an answer on November 16, 2020 at 10:33 pm

    Corrugated Sheet: It is composed of hot-dip galvanised mild steel and cold rolled for producing a linear corrugated pattern. More amount of iron is present in it. Actually, corrugation increases the bending strength of the sheet when the direction is perpendicular to the corrugations. Steel must beRead more

    Corrugated Sheet:

    1. It is composed of hot-dip galvanised mild steel and cold rolled for producing a linear corrugated pattern. More amount of iron is present in it.

    2. Actually, corrugation increases the bending strength of the sheet when the direction is perpendicular to the corrugations.

    3. Steel must be stretched to bend in the direction of perpendicular to the corrugations.

    4. Usually, every sheet is already manufactured linger in its strong direction.

    Applications of corrugated sheets are given below:

    • In Architectural and construction field
    • In the packaging sector
    • In the Printing sector
    • In the medical field

    Thanking You.

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Asked: November 23, 2017In: Construction Site Related

What is Difference Between Load Bearing and Frame Structure?

Gopal Mishra
Gopal Mishra

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What is the difference between a load bearing structure and a frame structure? How load is transferred in load bearing and framed structures?

  1. DevilAVRT

    DevilAVRT

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    DevilAVRT Beginner
    Added an answer on July 4, 2020 at 12:20 pm

    No. Load Bearing Structure Frame Structure 1. Almost all the walls are load bearing walls. None of the wall are load bearing. They serve the same purpose as partition or screen. 2. Almost all the should be provided with foundation None of the walls are provided with any type of foundation. Walls doRead more

    No. Load Bearing Structure Frame Structure
    1. Almost all the walls are load bearing walls. None of the wall are load bearing. They serve the same purpose as partition or screen.
    2. Almost all the should be provided with foundation None of the walls are provided with any type of foundation. Walls do not go below the plinth beam.
    3. Load bearing walls are taken deep into the subsoil foundation. Only column are taken deep into subsoil and provided with foundation footing.
    4. Any load bearing wall should have minimum thickness of 200 mm. Exterior wall subjected to weathering elements are generally 200 mm thick. All other wall can be 100 mm thick or even thinner.
    5. Wall are usually constructed of bricks or stone. Column supporting beam supporting slab are all of R.C. C.
    6. In a multi-storeyed building for every wall in the floor above there must be a corresponding wall in continuation in the floor below to support it. There is no such necessity. As none of the walls are load bearing. Every floor may have wall independent of the one below it.
    7. In a multi – storeyed building the thickness of the wall increase as we descend from a floor above to one below it. These walls do not take the load and need not be thicker. They may not even continue in the floor below.
    8. A load bearing wall once constructed shall remain in position and should never be dismantled in full or part. The wall of framed structure can be displaced at will as they are lighter and non load bearing.
    9. This type of construction does not favor toomany openings for windows, doors, ventilation etc., in the ground floor as required for show room etc., as the load bearing length of wall is considerably reduced. The space between column can remains as open space as the case with multi – storeyed residential flats where the ground floor is left with no walls for easy parking of vehicle.
    10. In case of multi – storeyed buildings, the room area is reduced as we go down due to thicker walls. Thickness of wall remains uniform, therefore the carpet area in any floor remains the same.
    11. Plans of the different floors must be the same. Very little changes are only possible between one floor and the one above. Plans of different floor are independent of each floor. The ground floor may have a commercial complex, first floor an office or a bank and second floor onward of residential complexes of different types of plans and function within the same building.
    12. May not withstand seismic forces and other forces and other type of vibration because composed of different blocks as bricks and stones being bonded together. More rigid and withstand seismic forces because of the entire frame of column, beam and slabs act as one unit of R.C.C.
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Asked: September 19, 2020In: Construction Site Related

Can we consider drum mix of concrete as a batch mix?

Sarthak Aswal
Sarthak Aswal

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can we consider drum mixing of concrete same as batch mix or nominal mix?

  1. Kuldeep Singh

    Kuldeep Singh

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    Added an answer on September 26, 2020 at 1:11 pm

    Yes. Of course. The method of mixing is not relevant to batching. So long as the quantities and proportions remain what they need to be, drum mixing or hand mixing, both are batch mixing. In fact, in the industry, mostly drums are used for mixing concrete because they save time and labour.

    Yes. Of course. The method of mixing is not relevant to batching. So long as the quantities and proportions remain what they need to be, drum mixing or hand mixing, both are batch mixing.

    In fact, in the industry, mostly drums are used for mixing concrete because they save time and labour.

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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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    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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