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a trapezoidal masonry retaining wall 1 m wide at top and 3 m wide at its bottom is 4 m high the vertical face is retaining soil phi 30deg at a
a masonry retaining wall is 15 m wide at the top 35 m wide at the base and 6 m high it is trapezoidal in section and has a vertical face on the earth
a retaining wall 45 m high with vertical back supports a backfill with horizontal surface the unit weight of the fill is 18 knm3 and the angle of
a retaining wall with its face inclined at 75deg with horizontal is 10 m high and retains soil inclined at a uniform surcharge angle of 10deg if the
a masonry wall with vertical back has a backfill 5 m behind it the ground level is horizontal at the top and the ground water table is at ground
a retaining wall 36 m high supports a dry cohesion less backfill with a plane ground surface sloping upwards at a surcharge angle of 20deg from the
a retaining wall with a vertical back 5 m high supports cohesion less backfill of unit weight of 19 knm3 the upper surface of the backfill rises at
a retaining wall is battered away from the fill from bottom to top at an angle of 15deg with the vertical height of the wall is 6 m the fill slopes
a retaining wall 9 m high retains granular fill weighing 18 knm3 with level surface the active thrust on the wall is 180 kn per metre length of the
a retaining wall with a smooth vertical back retains a purely cohesive fill height of wall is 12 m unit weight of fill is 20 knm3 cohesion is 1 ncm2
a retaining wall 9 m high retains cohesion less soil with an angle of internal friction 33deg the surface is level with the top of the wall the unit
a smooth backed vertical wall is 63 m high and retains a soil with a bulk unit weight of 18 knm3 and phi 18deg the top of the soil is level with the
a retaining wall 6 m high retains dry sand with an angle of friction of 30deg and unit weight of 162 knm3 verify the earth pressure at rest if the
the wet weight of a sample is missing in a proctor test the oven-dry weight of this sample is 189 n the volume of the mould used is 1000 cm3if the
the maximum dry density and optimum moisture content of a soil from standard proctors test are 18 knm3 and 16 respectivelycompute the degree of
a what are the laws governing compaction ofi cohesion less soils like sand andii moderately cohesive soils like sandy clay b to what compaction
describe why soils are compacted in the field how is the degree of compaction ensured in the field ie control of field compaction distinguish among
sketch a curve showing the relation among dry density and moisture content for standard proctor test and indicate the salient features of the curve
state an expression for zero air-void line and illustrate the line for a specific gravity of 265what are the various factors that affect the
the soil in a borrow pit has a void ratio of 090 a fill-in-place volume of 20000 m3 is to be constructed with an in-place dry density of 1884 knm3if
a moist soil sample compacted into a mould of 1000 cm3 capacity and weight 35 n weighs 535 n with the mould a representative sample of soil taken
preliminary settlement analysis for a building indicated a settlement of 50 mm in 4 years and an ultimate settlement of 250 mm
a clay layer 25 metres thick has a saturated unit weight of 192 knm2 ground water level occurs at a depth of 5 metres it is proposed to construct a
what is contact pressure how does it depend on the type of structure and type of soilwhat is active zone in soil define it with reference to the
a building was to be constructed on a clay stratum preliminary analysis showed a settlement of 60 mm in 6 years and an ultimate settlement of 250 mm