While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful: (A) Pile formation (B) Raft foundation (C) Grillage foundation (D) None of these

While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is
encountered. In such a situation, the following type of foundation is useful:
(A) Pile formation
(B) Raft foundation
(C) Grillage foundation
(D) None of these
by

1 Answer

Answer :

Answer: Option B
by

Related questions

The type of footing which is used to transmit heavy loads through steel columns is (A) Raft foundation (B) Grillage foundation (C) Well foundation (D) Isolated footing

Description : The type of footing which is used to transmit heavy loads through steel columns is (A) Raft foundation (B) Grillage foundation (C) Well foundation (D) Isolated footing

Last Answer : Option B

In soils possessing low bearing capacity, the type of foundation generally provided, is (A) Column footing (B) Grillage footing (C) Raft footing (D) All the above

Description : In soils possessing low bearing capacity, the type of foundation generally provided, is (A) Column footing (B) Grillage footing (C) Raft footing (D) All the above

Last Answer : Option D

Suggest suitable situation for Raft foundation and Pile foundation.

Description : Suggest suitable situation for Raft foundation and Pile foundation.

Last Answer : Suitability of Raft foundation:  1) Where the allowable bearing capacity of soil is less or the bridge load is heavy. 2) Where the hard soil is not available within 1.5m to 2.5m below the ... heavy scouring of river bed is expected. 4) Where heavy concentrated loads are to be taken by foundation.

Grillage foundation (A) Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity (B) Is light and economical (C) Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth (D) All the above

Description : Grillage foundation (A) Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity (B) Is light and economical (C) Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth (D) All the above

Last Answer : Answer: Option D

Raft foundations are used for: (A) Providing increased area of foundation over poor bearing capacity of soil (B) Spanning over small soft or loose pockets (C) Counter acting the hydrostatic effect (D) All the above

Description : Raft foundations are used for: (A) Providing increased area of foundation over poor bearing capacity of soil (B) Spanning over small soft or loose pockets (C) Counter acting the hydrostatic effect (D) All the above

Last Answer : Answer: Option D

One of the following is a shallow foundation a) Pile foundation b) Raft foundation* c) Under reamed pile foundation d) Well foundation

Description : One of the following is a shallow foundation a) Pile foundation b) Raft foundation* c) Under reamed pile foundation d) Well foundation

Last Answer : b) Raft foundation*

The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than (A) The column spacing (B) One-third the column spacing (C) Half the column spacing (D) Three-fourth the column spacing

Description : The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than (A) The column spacing (B) One-third the column spacing (C) Half the column spacing (D) Three-fourth the column spacing

Last Answer : Answer: Option B

In soft clay of low bearing capacity, the type of steel pile generally used, is (A) H-pile (B) Screw pile (C) Disc pile (D) Pipe pile

Description : In soft clay of low bearing capacity, the type of steel pile generally used, is (A) H-pile (B) Screw pile (C) Disc pile (D) Pipe pile

Last Answer : Answer: Option B

The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as (A) Combined footing (B) Strap footing (C) Raft footing (D) None of these

Description : The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as (A) Combined footing (B) Strap footing (C) Raft footing (D) None of these

Last Answer : Option C

The steel pile which is generally sunk in soft clay or loose sand of low bearing capacity, is (A) H-pile (B) Pipe pile (C) Screw pile (D) Disc pile

Description : The steel pile which is generally sunk in soft clay or loose sand of low bearing capacity, is (A) H-pile (B) Pipe pile (C) Screw pile (D) Disc pile

Last Answer : Answer: Option C

A grillage foundation (A) Is provided for heavily loaded isolated columns (B) Is treated as spread foundation (C) Consists of two sets of perpendicularly placed steel beams (D) All the above

Description : A grillage foundation (A) Is provided for heavily loaded isolated columns (B) Is treated as spread foundation (C) Consists of two sets of perpendicularly placed steel beams (D) All the above

Last Answer : Answer: Option D

For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over reinforcement 5. Pouring the cement concrete over the reinforcement The correct sequence is (A) 1, 2, 3, 4, 5 (B) 5, 4, 3, 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1,

Description : For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over ... 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1, 4

Last Answer : Answer: Option C

For a number of columns constructed in a rcjw, the type of foundation provided, is (A) Footing (B) Raft (C) Strap (D) Strip

Description : For a number of columns constructed in a rcjw, the type of foundation provided, is (A) Footing (B) Raft (C) Strap (D) Strip

Last Answer : Answer: Option D

To support a heavy structure in sandy soil, the type of foundation generally used, is (A) Combined footing (B) Raft footing (C) Pier footing (D) Strap footing

Description : To support a heavy structure in sandy soil, the type of foundation generally used, is (A) Combined footing (B) Raft footing (C) Pier footing (D) Strap footing

Last Answer : Answer: Option C

For the construction of flyovers in sandy soils, the type of foundation provided, is (A) Strap footing (B) Raft footing (C) Combined footing (D) Pier footing

Description : For the construction of flyovers in sandy soils, the type of foundation provided, is (A) Strap footing (B) Raft footing (C) Combined footing (D) Pier footing

Last Answer : Answer: Option D

For constructing a terrazzo floor, Pick up the incorrect statement from the following: (A) A base course is prepared as in cement concrete flooring (B) A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling (C) Glass strips are driven into the layer according to the pattern required (D) After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material

Description : For constructing a terrazzo floor, Pick up the incorrect statement from the following: (A) A base course is prepared as in cement concrete flooring (B) A 32 mm thick layer of cement concrete ... final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material

Last Answer : Answer: Option B

A raft foundation is provided if its area exceeds the plan area of the building by (A) 10 % (B) 20 % (C) 40 % (D) 50 %

Description : A raft foundation is provided if its area exceeds the plan area of the building by (A) 10 % (B) 20 % (C) 40 % (D) 50 %

Last Answer : Answer: Option D

The foundation in which a cantilever beam is provided to join two footings, is known as (A) Strip footing (B) Strap footing (C) Combined footing (D) Raft footing

Description : The foundation in which a cantilever beam is provided to join two footings, is known as (A) Strip footing (B) Strap footing (C) Combined footing (D) Raft footing

Last Answer : Answer: Option B

The maximum total settlement for raft foundation on clayey soils should be limited to (A) 25 mm (B) 25 to 40 mm (C) 40 to 65 mm (D) 65 to 100 mm

Description : The maximum total settlement for raft foundation on clayey soils should be limited to (A) 25 mm (B) 25 to 40 mm (C) 40 to 65 mm (D) 65 to 100 mm

Last Answer : Answer: Option D

Pile foundation is generally provided if soil is (A) Compressible (B) Water logged (C) Made up (D) All the above

Description : Pile foundation is generally provided if soil is (A) Compressible (B) Water logged (C) Made up (D) All the above

Last Answer : Answer: Option D

Best type of piles for soft soil having little resistance to the flow of concrete, is (A) Simplex pile (B) Vibro pile (C) Raymond pile (D) Franki pile

Description : Best type of piles for soft soil having little resistance to the flow of concrete, is (A) Simplex pile (B) Vibro pile (C) Raymond pile (D) Franki pile

Last Answer : Answer: Option B

Raft foundation are generally preferred to when the area required for individual footing, is more than (A) 25% to total area (B) 30% of total area (C) 40% to total area (D) 50% of total area

Description : Raft foundation are generally preferred to when the area required for individual footing, is more than (A) 25% to total area (B) 30% of total area (C) 40% to total area (D) 50% of total area

Last Answer : Option D

Explain raft foundation with neat sketch and explain its suitability.

Description : Explain raft foundation with neat sketch and explain its suitability. 

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State the necessity of providing (i) Combined column footing and (ii) Raft foundation

Description : State the necessity of providing (i) Combined column footing and (ii) Raft foundation

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Negative skin friction on piles (A) Is caused due to relative settlement of the soil (B) Is caused in soft clays (C) Decreases the pile capacity (D) All of the above

Description : Negative skin friction on piles (A) Is caused due to relative settlement of the soil (B) Is caused in soft clays (C) Decreases the pile capacity (D) All of the above

Last Answer : Answer: Option D

In places where the soil is soft and has small resistance to the flow of concrete, which one of the following types of piles, is used (A) Vibro pile (B) Pressure pile (C) Franki pile (D) Pedestal pile

Description : In places where the soil is soft and has small resistance to the flow of concrete, which one of the following types of piles, is used (A) Vibro pile (B) Pressure pile (C) Franki pile (D) Pedestal pile

Last Answer : Answer: Option A

Pile foundations are suitable for (A) Water logged soils (B) Soft rocks (C) Compact soils (D) Multi-storeyed buildings

Description : Pile foundations are suitable for (A) Water logged soils (B) Soft rocks (C) Compact soils (D) Multi-storeyed buildings

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Description : Consider the following statements: 1. The benefit of surcharge and depth of foundation is only marginal in case of footings on purely cohesive soils. 2. The bearing capacity of a footing in pure clay increases with increase in size of the ... , 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

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What are the shortcomings of grillage analysis which is commonly used in structural analysis of bridges?

Description : What are the shortcomings of grillage analysis which is commonly used in structural analysis of bridges?

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In grillage foundations a minimum 15 cm cover is provided on (A) Upper flange of top tier (B) Lower beam of lower tier (C) Ends of external beams (D) None to these

Description : In grillage foundations a minimum 15 cm cover is provided on (A) Upper flange of top tier (B) Lower beam of lower tier (C) Ends of external beams (D) None to these

Last Answer : Answer: Option B

In grillage foundations, distance between flanges of grillage beams, is kept (A) 40 cm (B) Equal to flange width (C) Twice the flange width (D) Maximum of (a), (b) and (c)

Description : In grillage foundations, distance between flanges of grillage beams, is kept (A) 40 cm (B) Equal to flange width (C) Twice the flange width (D) Maximum of (a), (b) and (c)

Last Answer : Answer: Option C

A stratum of clay 2 m thick will get consolidated 80% in 10 years. For the 80% consolidation of 8 m thick stratum of the same clay, the time required is (A) 100 years (B) 120 years (C) 140 years (D) 160 years

Description : A stratum of clay 2 m thick will get consolidated 80% in 10 years. For the 80% consolidation of 8 m thick stratum of the same clay, the time required is (A) 100 years (B) 120 years (C) 140 years (D) 160 years

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What type of rock fairly soft rocks that may break and crumble easily is?

Description : What type of rock fairly soft rocks that may break and crumble easily is?

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Any good, fairly easy hairstyles for long, thick, and wavy hair?

Description : Any good, fairly easy hairstyles for long, thick, and wavy hair?

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Pick up the correct statement from the following: (A) Sandy clayloam contains highest percentage of sand (B) Silty clayloam contains highest percentage of silt (C) Stiff boulder clay offers maximum shear strength (D) Soft chalk carries least safe load

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Description : The least bearing capacity of soil is that of (A) Hard rock (B) Moist clay (C) Soft rock (D) Coarse sandy soil

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Pick up the correct statement from the following: (A) If the ratio of depth to width is less than 2, it is shallow foundation (B) If the ratio of depth to width is more than 2, it is deep foundation (C) If the ratio of the length to width is between 1 and 2, it is spread foundation (D) All the above

Description : Pick up the correct statement from the following: (A) If the ratio of depth to width is less than 2, it is shallow foundation (B) If the ratio of depth to width is more than 2, it is deep ... the ratio of the length to width is between 1 and 2, it is spread foundation (D) All the above

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no resistance is encountered by displacement, such a substance is known as (A) Fluid (B) Water (C) Gas (D) Ideal fluid

Description : no resistance is encountered by displacement, such a substance is known as (A) Fluid (B) Water (C) Gas (D) Ideal fluid

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If water table is encountered in the standard pit while conducting plate load test (a) The load test should be abandoned (b) The pit is considered unsafe (c) Test should be conducted with complete dewatering continuously throughout the test duration (d) The bearing capacity of soil cannot be determined in this condition

Description : If water table is encountered in the standard pit while conducting plate load test (a) The load test should be abandoned (b) The pit is considered unsafe (c) Test should be conducted ... continuously throughout the test duration (d) The bearing capacity of soil cannot be determined in this condition

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Bullet proof glass is made of thick glass sheet sandwiched by a layer of (A) Steel (B) Stainless steel (C) High test plastic (D) Chromium plate

Description : Bullet proof glass is made of thick glass sheet sandwiched by a layer of (A) Steel (B) Stainless steel (C) High test plastic (D) Chromium plate

Last Answer : Answer: Option C

Veneering means (A) Carving out designs on timber planks (B) Chemically treating timber planks (C) Thick layer of superior wood glued to inferior wood (D) Thin layer of superior wood glued to inferior wood

Description : Veneering means (A) Carving out designs on timber planks (B) Chemically treating timber planks (C) Thick layer of superior wood glued to inferior wood (D) Thin layer of superior wood glued to inferior wood

Last Answer : Answer: Option C

The raft slab is projected beyond the outer walls of the structure by (A) 5 to 10 cm (B) 15 to 20 cm (C) 25 to 30 cm (D) 30 to 45 cm

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What is a high layer or pile of soil called ?

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The advantage of a concrete pile over a timber pile, is (A) No decay due to termites (B) No restriction on length (C) Higher bearing capacity (D) All the above

Description : The advantage of a concrete pile over a timber pile, is (A) No decay due to termites (B) No restriction on length (C) Higher bearing capacity (D) All the above

Last Answer : Answer: Option D