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the data from a standard proctor test are shown in the table belowa determine the maximum dry unit weight and the
a fi ne-grained soil has 60 clay with ll 220 pl 45 and a natural water content of 6 a standard proctor test was
an elliptical artificial island is required for a reclamation project the major axis of the ellipse is 10 km and the
the groundwater level in a soil layer 10 m thick is located at 3 m below the surfacea plot the distribution of
a constant-head test was conducted on a sample of soil 15 cm long and 60 cm2 in cross-sectional area the quantity of
a falling-head permeability test was carried out on a clay soil of diameter 10 cm and length 15 cm in 1 hour the head
an excavation is proposed for a square area near the bend of a river as shown in figure p69 it is expected that the
a canal is dug parallel to a river as shown in figure p611 a sandy-silt seam of average thickness 05 m cuts across the
an excavation is made for a canal that is fed by a stream as shown in figure p612 the measured flow into the canal is
a pumping test was carried out to determine the average hydraulic conductivity of a sand deposit 20 m thick overlying
groundwater is pumped for domestic use from an unconfined aquifer water-bearing sand layer the thickness of the clay
a well of 01 m radius is part of a well point network to keep an excavation dry figure p613 the groundwater at the far
a culvert is to be constructed in a bed of sand e 05 for drainage purposes the roof of the culvert will be located 3 m
you are the geotechnical engineer for a proposed office building in a densely clustered city the office building will
a 10-m-thick water-bearing sand layer permeable called an aquifer is sandwiched between a 6-m clay layer impermeable at
a cylindrical sample of soil is isotropically compressed under drained condition with a vertical stress of 100 kpa and
a farmer requires two steel silos to store wheat each silo is 8 m in external diameter and 10 m high the foundation for
a water tank 15 m in diameter and 10 m high is proposed for a site where there is an existing pipeline figure p726 plot
a developer proposes to construct an apartment building near an existing retaining wall figure p727 the building of
a soil profile consists of 10-m-thick fi ne sand of effective size 015 mm above a very thick layer of clay groundwater
a clay soil of thickness h is allowed to drain on the top boundary through a thin sand layer a vertical stress of sigma
the initial effective stresses on a saturated soil element at a certain depth in a soil mass are sigma1 5 80 kpa sigma2
a tank of diameter 5 m is to be located on a deep deposit of lightly over consolidated homogeneous clay 25 m thick the
a sample of soil taken at a depth of 5 m in a homogeneous over consolidated saturated clay was testedunder standard