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Asked: July 7, 2020In: Construction

Which are the materials used for making scaffolding?

Wellcaffolding
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Which are the materials used for making scaffolding? and which one is better?

  1. aviratdhodare

    aviratdhodare

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    Added an answer on September 10, 2020 at 11:59 pm

    Plywood with wooden Doca H beams. Steel plates Aluform which uses aluminium frames and various nut assemblies For underground works, PECAFORM. For various assemblies like U Jack, tie rod, tie nuts, scaffoldings, stair tower aluminium and steel is used depending on requirement. Where strength is mainRead more

    1. Plywood with wooden Doca H beams.
    2. Steel plates
    3. Aluform which uses aluminium frames and various nut assemblies
    4. For underground works, PECAFORM.
    5. For various assemblies like U Jack, tie rod, tie nuts, scaffoldings, stair tower aluminium and steel is used depending on requirement. Where strength is main priority steel is used and in case of lightweight assembly like scaffoldings for work platforms, aluminium can be used.

    Generally,

    1. Wooden Planks And Plates.
    2. Playboards
    3. Steel Sheets, Make sure it is mild
    4. GI or corrugated sheets
    5. Require Scaffolding of wooden ballies
    6. Scaffolding of Metal Frames
    7. Scaffolding of Bamboos
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Asked: September 8, 2020In: Construction

What are the advantages of Porotherm bricks?

aviratdhodare
aviratdhodare

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What are the advantages of Porotherm bricks?

  1. AdityaBhandakkar

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    Added an answer on September 11, 2020 at 12:00 am
    What are the advantages of Porotherm bricks?

    Porotherm bricks are perforated clay brick. It is perforated horizontally or vertically. Size: 400 x 200 x 200mm It is a natural brick which has thermal insulation made from coal ash, natural clay and rice husk. Following are some advantages of porotherm bricks: Very good strength: compressive strenRead more

    Porotherm bricks are perforated clay brick. It is perforated horizontally or vertically.

    Size: 400 x 200 x 200mm

    It is a natural brick which has thermal insulation made from coal ash, natural clay and rice husk.

    Following are some advantages of porotherm bricks:

    1. Very good strength: compressive strength of brick is greater than 3.5 mm. The presence of terracotta gives higher strength to the bricks.
    2. Thermal insulation; due to its perforation it has high thermal insulation characteristics.
    3. Durability: perforated bricks have a water absorption ratio is around 15% which reduces the probability of cracks, dampness and shrinkage of walls. Also due to the high compressive strength and characteristics of fire resistance also make it highly durable and long-lasting.
    4. Economical: due to the method of perforation it reduces the manufacturing cost which saves energy and operating cost. This type of bricks balance the inner temperature with an outer temperature and avoid the usage of AC or heater in summer and winter respectively.
    5. Friendly to the environment: this brick can be recycled. all the materials for manufacturing of these bricks are natural which does not cause any allergic effect to the environment.
    6. Increases construction speed: for the construction of the wall made with porotherm bricks does not need curing. Due to its lightweight handling is easy and quick which reduces effective labour time.
    7. Porotherm bricks should be cut with a chisel and can be fixed at a fissure cracks. This breaks n sure a dry and clean site with fast construction.
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Asked: September 22, 2020In: Construction

What is the effect of dewatering on the soil.

nikeetasharma
nikeetasharma

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what is the effect of dewatering on the soil?

  1. aviratdhodare

    aviratdhodare

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    Added an answer on September 23, 2020 at 3:07 pm

    Potential Groundwater Impacts of Dewatering ·        Contamination Dewatering can cause the advancement of hydraulic gradients that are additionally fundamental for drawing out water towards wells. Dewatering close to a site with a background marked by contamination in groundwater can bring out hydrRead more

    Potential Groundwater Impacts of Dewatering

    ·        Contamination

    Dewatering can cause the advancement of hydraulic gradients that are additionally fundamental for drawing out water towards wells. Dewatering close to a site with a background marked by contamination in groundwater can bring out hydraulic gradients that can convey the dirtied groundwater towards the dewatering framework and cause contamination. By and large, polluted water requires filtration. To evade this issue, the best technique is to introduce screen dividers and vertically separate regions utilizing bentonite seals.

    ·        Geotechnical Damage

    Dewatering can make the ground lose coherence; the result leads to ground settling. If the ground settling is vast, it can harm close by building and structures. When groundwater is removed from the soil, it makes the soil pack and squeeze. It can likewise also caused by small soil & shallow grounds being removed with the groundwater through well.

    This effect can be diminished by a better plan and the utilization of good filtration and groundwater treatment that keep the particles from being separated.

    ·        Impacts on Water Features

    Things that depend on the water like rivers, lakes, and springs have a cozy relationship with groundwater and are, in this way, influenced by dewatering and groundwater control by prohibition. It is essential to keep in mind that groundwater and water-dependent things have eco-systems and fill in as territories. An unfriendly impact of these water bodies will have a huge -ve effect on the earth.

    ·        Water Resource Depletion

    When groundwater is removed for longer periods and in huge amounts for personal or commercial use, it can conceivably bring down groundwater levels and reduce yields. This exhaustion brings about a decrease in significant water assets for other people. An answer to this issue can be an artificial recharge method that infuses release from siphon water back in the ground.

    Conclusion

    It is crucial to perceive and decrease the effects of dewatering and groundwater control on the earth as dependable residents of the world. We should embrace great construction dewatering treatment system design, examination strategies, and better groundwater remediation innovation to alleviate these issues before it is past the point of no return.

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Asked: June 18, 2020In: Construction

How to prepare post construction checks, concrete checklist, form work checklist, reinforcement, height work permission, other checklist, etc ?

pooj p
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How to prepare post construction checks, concrete checklist, form work checklist, reinforcement, height work permission, other checklist, etc ?

  1. Komal Bhandakkar

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    Added an answer on November 17, 2020 at 3:33 pm
    This answer was edited.

    Here, I will be discussing some useful checklist especially used for storage & cleaning of formwork. Useful checklist used for storage & cleaning of formwork:   Using a sufficient stiff brush, the formwork should be cleaned after removal. So that dirt, dust, stubborn bits of concrete will beRead more

    Here, I will be discussing some useful checklist especially used for storage & cleaning of formwork.

    Useful checklist used for storage & cleaning of formwork:

     

    1. Using a sufficient stiff brush, the formwork should be cleaned after removal. So that dirt, dust, stubborn bits of concrete will be removed easily.
    2. Before storing, the uncoated & timber surface should be coated using a release agent.
    3. For avoiding corrosion, the steel formwork should be coated lightly with oil.
    4. Before storage, the damaged formwork should be repaired.
    5. Extra care should be taken while storing a plywood sheet & panel. They should be stored on a perfectly horizontal level platform.
    6. For protecting the surface, the panel should be placed face to face.
    7. The storage area should be well ventilated & it is protected from the rain.

    Thank You.

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Asked: May 14, 2020In: Construction

What is the difference between Additional work and Extra work?

Seshachalam Chamarthy
Seshachalam Chamarthy

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Dear All, What is the difference between Additional works and Extra works?

  1. aviratdhodare

    aviratdhodare

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    Added an answer on October 17, 2020 at 5:17 pm

    Assume one work is awarded to a contractor on item rate basis. During the execution of work, the necessity arises to do some works which are not given in the contract, but the contractor has been requested to carry out such works and payment will be made after supplemental rates and agreement are exRead more

    Assume one work is awarded to a contractor on item rate basis. During the execution of work, the necessity arises to do some works which are not given in the contract, but the contractor has been requested to carry out such works and payment will be made after supplemental rates and agreement are executed

    This is extra. work

    Example Providing stainless steel handrails instead of aluminum handrails

    Here extra work is provision of stainless steel handrails

    During the execution of foundation work, the quantity given in the agreement is exceeding due to actual type of soil

    Here additional quantity of earthwork, filling, RR work will be coming which are needed

    Usually in the agreement itself it will be mentioned that the rates are applicable up to 5% more or less besides quantity

    Here the additional work comes.

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Asked: July 13, 2020In: Construction

Which type of foundation should be used in Coastal Area and Sloping ground?

DevilAVRT
DevilAVRT

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Which type of foundation should be used in the places such as i) Coastal Area ii) Sloping ground

  1. AdityaBhandakkar

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    Added an answer on October 11, 2020 at 1:27 pm
    This answer was edited.

    Hi, Raised Foundations(RF) Raised type of foundations is used in coastal areas because receives large amounts of rain to flooding. RF requires crucial planning because they are able to support the home and walls also provide protection from moisture. 2 types of RF: 1.Pier & Beam raised foundatioRead more

    Hi,

    Raised Foundations(RF) Raised type of foundations is used in coastal areas because receives large amounts of rain to flooding. RF requires crucial planning because they are able to support the home and walls also provide protection from moisture. 2 types of RF:

    1.Pier & Beam raised foundation

    2. Stem wall raised foundation

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Asked: February 2, 2021In: Construction

Which type of reinforcement are used in pre-stressing?

nikeetasharma
nikeetasharma

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Which type of reinforcement are used in pre-stressing?

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Asked: July 4, 2020In: Construction

What are the different types of compactors?

Shivan
Shivan

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What are the different types of compactors?

  1. aviratdhodare

    aviratdhodare

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    Added an answer on September 8, 2020 at 2:22 pm

    Types of compactors Smooth wheeled rollers: Generally and imp used for compaction of any type of roads compaction. Sheepsfoot Rollers: Also called as tamping roller, consists of rectangle boots on the roller drum in hexagon pattern. Pneumatic Roller: Also called rubber tyre roller. Vibratory roller:Read more

    Types of compactors

    1. Smooth wheeled rollers: Generally and imp used for compaction of any type of roads compaction.
    2. Sheepsfoot Rollers: Also called as tamping roller, consists of rectangle boots on the roller drum in hexagon pattern.
    3. Pneumatic Roller: Also called rubber tyre roller.
    4. Vibratory roller: Rollers with vibration, for better compaction.
    5. Rammers: For small places with impact load, hand or machine operated coz of light wt.
    6. Vibratory Plate Compactor: For very small & conjusted place
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