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:
Pile formation
Raft foundation
Grillage foundation
None of these
Correct Answer :
B. Raft foundation
Related Questions
The type of pointing in which a V-shaped projection outside the wall surface, is provided, is called
Recessed pointing
Weather pointing
V-pointing
Tuck pointing
The columns of multi-storeyed buildings are designed to withstand the forces due to
Dead loads
Live loads
Wind loads
All of these
While designing a stair, the product of rise and going is approximately kept equal to
350
420
450
500
The inclined surface of an abutment to receive the arch, is known as
Skew back
Soffit
Spandril
Haunch
The concrete slump recommended for beams and slabs; is
25 to 50 mm
25 to 75 mm
30 to 125 mm
50 to 100 mm
Pick up the correct statement from the following:
The cost of square rooms is less
The expenditure on the foundation and roof for the double storeyed building is nearly half of that for the ground storeyed building
The cost of construction of a house may be minimised by restricting the height floors
All the above
The ceiling height of a building is
Between ceiling and ground level
Between ceiling and floor level
Upto roof above ground level
Upto ceiling from the ground level
The function of king post in a king post roof truss is
To support the frame work of the roof
To receive the ends of principal rafter
To prevent the walls from spreading outward
To prevent the tie beam from sagging at its centre
The piece of a brick cut along the centre of width in such a way that its length is equal to that of full brick, is called
Half brick
Queen closer
King closer
Bevelled closer
Slate
Is a metamorphic rock
Splits into thin sheets along its bedding planes
Has a smooth surface and contains alumina and silica
Possesses good water absorption capacity
The depth of the ground water table may be ascertained by
Looking through the well in the vicinity
Standing on the well in the vicinity
Measuring the depth of water in the well
None of the above
The depth of excavation of foundations, is generally measured with a
Ranging rod
Steel tape
Levelling staff
Boning rod
To support a heavy structure in sandy soil, the type of foundation generally used, is
Combined footing
Raft footing
Pier footing
Strap footing
The piece of a brick cut with its one corner equivalent to half the length and half the width of a full brick, is known as
Queen closer
Bevelled closer
King closer
Half king closer
The stone whose crushing strength is maximum, is
Granite
Chalk
Slate
Sand stone
Which one of the following activities is not correct as applicable to brick corbels?
The maximum projection of the corbel should not be more than the thickness of the wall
The maximum projection of each corbel course should be limited to a quarter brick at a time
The discontinuous corbels are used to carry heavy concentrated loads
Stretcher bond is generally used for the construction of brick corbel
A wooden block fixed on back side of a door frame on its post, is known as
Cleat
Stop
Horn
None of these
The process of keeping concrete moist for a certain period after its finishing, is known as
Finishing of concrete
Curing of concrete
Placing of concrete
Compaction of concrete
The vertical faces of a door opening which support frame of the door, are
Jambs
Posts
Reveals
Styles
The sill of a common wooden partition is
Vertical wooden member on either end
Lower horizontal wooden member
Upper horizontal wooden member
Intermediate horizontal wooden member
The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as
Hip
Gable
Ridge
Eaves
A cut in frame of a door to receive the shutter, is called
Louver
Stop
Horn
Rebate
The angular steps used for changing direction of the stairs, are called
Round steps
Angular steps
Winders
Radial steps
In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to
Increase the depth of foundation
Drain the soil
Compact the soil
Replace the poor soil
In grillage foundations a minimum 15 cm cover is provided on
Upper flange of top tier
Lower beam of lower tier
Ends of external beams
None to these
The wedge shaped bricks forming an arch ring, are called
Soffits
Voussoirs
Haunches
Spandrils
The bearing capacity of piles is determined by
Dynamic formula
Static formula
Pile load tests
All the above
The type of pointing in which upper side of mortar joints is kept about 12 mm inside the face of the masonry and bottom is kept flushed with face of wall, is
Truck pointing
Recessed pointing
Struck pointing
Grooved pointing
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to
15 mm
25 mm
35 mm
45 mm