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AKM59
AKM59

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If we have two spread footing foundation (Isolated Pads) of square sizes (1m x 1m) and (2m x 2m),with axial loads ; (10t) and (40t) respectively, by assuming the soil features and specification for the two pads ,is the same , So ...

  1. aviratdhodare

    aviratdhodare

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    aviratdhodare

    Since the dimentions and magnitude of the 2nd is more than the first one, the settlement would not be same roughly. Bcoz the dimension are twice the 1st one, Magnitude is 4 times the 1st one. So bcoz of this, obviously the 2nd footing will be settled more.

    Since the dimentions and magnitude of the 2nd is more than the first one, the settlement would not be same roughly.

    Bcoz the dimension are twice the 1st one, Magnitude is 4 times the 1st one.

    So bcoz of this, obviously the 2nd footing will be settled more.

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hbgtbt
hbgtbt

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Good afternoon Folks:  If my foundation appears to move up when we get heavy rains and then back down when we have no rain for months – other than this being an irritant ; does this generally mean there is ...

  1. Komal Bhandakkar

    Komal Bhandakkar

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    This answer was edited.

    The vertical movement in foundations is caused by : Either downwards movement of the wall or wall footing, when a wall footing sinks in soft soil. An up and down movement of the wall or wall footings such as when a wall is disturbed by frost in a freezing climate Expansive clay soils expand or shrinRead more

    The vertical movement in foundations is caused by :

    1. Either downwards movement of the wall or wall footing, when a wall footing sinks in soft soil.
    2. An up and down movement of the wall or wall footings such as when a wall is disturbed by frost in a freezing climate
    3. Expansive clay soils expand or shrink as their water content increases or decreases.

    Thank You.

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Vivek Patel
Vivek Patel

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What is Universal Foundation? Where it is use?

  1. vivek gami

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    universal foundation is pile foundation. it is used at all location, so we call it universal foundation in simple way basically pile foundation use at where bearing capacity of soil is low where chances of differential settlement of foundation where structural load is very high like bridge or skyskiRead more

    universal foundation is pile foundation.

    it is used at all location, so we call it universal foundation in simple way

    basically pile foundation use at

    • where bearing capacity of soil is low
    • where chances of differential settlement of foundation
    • where structural load is very high like bridge or skyskiper building
    • where black cotton soil is present
    • where bearing strata depth is very high
    • where structure need to resist excessive vibration (wind mill)
    • pile foundation we can use every where.
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Vivek Patel
Vivek Patel

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Which type of foundation is used in sea link project bridge?

  1. DevilAVRT

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    Most commonly, they use reinforced pile. For e.g., Bandra Worli sea link. The foundations for the BWSL's cable-stayed bridges consist of 120 reinforced concrete piles of 2,000 mm (6.6 ft) diameter. Those for the viaducts consist of 484 piles of 1,500 mm (4.9 ft). These 604 piles were driven betweenRead more

    Most commonly, they use reinforced pile.

    For e.g., Bandra Worli sea link. The foundations for the BWSL’s cable-stayed bridges consist of 120 reinforced concrete piles of 2,000 mm (6.6 ft) diameter. Those for the viaducts consist of 484 piles of 1,500 mm (4.9 ft). These 604 piles were driven between 6m and 34m into the substrata in geotechnical conditions that varied from highly weathered volcanic material to massive high strength rocks.

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Vivek Patel
Vivek Patel

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What is content pressure in footing? How it is determine?

  1. vivek gami

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    < strong>contact pressure is the pressure between footing end and soil strata where we rest the footing. we should have safe contact pressure to avoid foundation failure like (punching failure, shear failure, excessive settlement of the foundation, etc. )   it is express by load per area it isRead more

    < strong>contact pressure is the pressure between footing end and soil strata where we rest the footing.

    we should have safe contact pressure to avoid foundation failure like (punching failure, shear failure, excessive settlement of the foundation, etc. )

     

    it is express by load per area

    it is depending on

    • elastic property of soil
    • type of foundation either flexible or rigid
    • type of soil and its various property

    see the figure to more understanding

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vivek gami
vivek gami

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What is Pedestal in Column? What is the minimum steel criteria of it?

  1. nikeetasharma

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    When the height of member is less than 3times the least lateral dimensions of column it is termed as pedestal whereas when the value is greater than 3times least lateral dimension it is termed as column. For Pedestals (whose effective length is less than three times the least lateral dimension) theRead more

    When the height of member is less than 3times the least lateral dimensions of column it is termed as pedestal whereas when the value is greater than 3times least lateral dimension it is termed as column.

    For Pedestals (whose effective length is less than three times the least lateral dimension) the minimum reinforcement is specified as 0.15 percent cross sectional area of concrete.

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Vivek Patel
Vivek Patel

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What is punching shear failure of foundation?

  1. nikeetasharma

    nikeetasharma

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    The causes of punching shear failure are as follows :- - Poor drainage. Some examples of poor drainage include short downspouts clogged gutters , or lack of waterproofing. - Weather conditions - Poor soil conditions - Transpiration - Poor building site and ground preparation

    The causes of punching shear failure are as follows :-

    – Poor drainage. Some examples of poor drainage include short downspouts clogged gutters , or lack of waterproofing.

    – Weather conditions

    – Poor soil conditions

    – Transpiration

    – Poor building site and ground preparation

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Gopal Mishra
Gopal Mishra

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What is the  importance of timbering in trenches for foundations?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru

    Timbering is a method of providing temporary support to the side of the trench and is sometimes called planking and strutting. It is a method to prevent trench side soil against the collapse. If the soil is not hard then during deep excavation the sides of the trench collapse. The sides of the trencRead more

    Timbering is a method of providing temporary support to the side of the trench and is sometimes called planking and strutting. It is a method to prevent trench side soil against the collapse. If the soil is not hard then during deep excavation the sides of the trench collapse.

    The sides of the trench are timbering to prevent collapse.

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