For a rectangular foundation of width b, eccentricity of load should not exceed
b/2
b/3
b/4
b/6
Correct Answer :
D. b/6
Related Questions
In English garden wall bond
One course of headers to three or five course of stretchers
Queen closer in provided in each heading course
The middle course of stretchers is started with a header to give proper vertical joints
All the above
In soft clay of low bearing capacity, the type of steel pile generally used, is
H-pile
Screw pile
Disc pile
Pipe pile
The process of making the back ground rough, before plastering, is
Dubbing
Hacking
Blistering
Peeling
The stone whose crushing strength is maximum, is
Granite
Chalk
Slate
Sand stone
In which of the following directions, the strength of timber is maximum?
Parallel to grains
45° to grains
Perpendicular to grains
Same in all directions
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
Negative skin friction
Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile
Develops due to lowering of ground water
Both (a) and (b)
Neither (a) not (b)
The stone masonry of finely dressed stones laid in cement or lime, is
Random rubble masonry
Coursed rubble masonry
Dry rubble masonry
Ashlar masonry
Pick up the correct statement from the following:
The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement
The safe bearing capacity of a pile is obtained by dividing the ultimate bearing capacity with a suitable factor of safety
The factor of safety for piles is taken as 6
All the above
The arrangement made to support an unsafe structure temporarily, is known as
Shoring
Scaffolding
Underpinning
Jacking
Expansion joints in masonry walls are provided if length exceeds
10 m
20 m
30 m
40 m
The depth of excavation of foundations, is generally measured with a
Ranging rod
Steel tape
Levelling staff
Boning rod
Stability of an existing structure may be disturbed by
Rising of water table
Vibrations caused by traffic movements
Mining in the neighbourhood
All the above
In which of the following pairs both trees yield soft wood?
Deodar and Shishum
Chir and sal
Sal and teak
Chir and deodar
The pile provided with one or more bulles in its vertical shaft, is generally known as
Under-ream pile
Friction pile
Bearing pile
Sheet pile
To obtain good bonding in brick masonry
First class bricks are used
Vertical joints in alternate courses are kept in plumb line
Bats are used where necessary
All the above
Grillage foundation
Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity
Is light and economical
Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
All the above
The foundations are placed below ground level, to increase
Strength
Workability
Stability of structure
All the above
Cavity wall is generally provided for
Heat insulation
Sound insulation
Prevention of dampness
All the above
The bearing capacity of piles is determined by
Dynamic formula
Static formula
Pile load tests
All the above
Brick nogging type of partition wall, is constructed by
Laying bricks as stretchers in cement mortar
Laying bricks as headers in cement mortar
Reinforcing brick wall with iron straps
Constructing brick work within a wooden framework
Arches in the form of masonry arcs struck from more than four centres, are called
Two curved arches
Gothic arches
Ogee arches
Drop gothic arches
Depth or height of the arch is the
Perpendicular distance between intrados and extrados
Vertical distance between springing line and intrados
Perpendicular distance between springing line and extrados
None of the above
Gravels
Are cohesionless aggregates
Vary in size between 2 to 20 mm
Never swell when they come into contact with water
All the above
Which one of the following factors is considered for the orientation of buildings?
The direction of the prevailing winds in the area
The exposure of the walls and roof of the buildings to the rays of sun
The extent up to which the sunrays penetrate with the verandah
All the above
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 temporary rigid structure having platforms to enable masons to work at different stages of a building, is known as
Scaffolding
Dead shore
Raking shore
Under pinning
The floor is rubbed with oxalic acid, for making its surface
Free from voids
Glossy
Durable
Uniform
A cut in frame of a door to receive the shutter, is called
Louver
Stop
Horn
Rebate
The maximum total settlement for isolated foundations on clayey soils should be limited to
25 mm
40 mm
65 mm
100 mm