APSC 151 Geotechnical Engineering Questions And Answers
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Course
APSC 151
Institution
APSC 151
when retaining walls fail they tend to
~ rotate
types of retaining walls
~ sheet pile, diaphragm, caisson
how are tiebacks used in retaining walls
~ they are used in all retaining walls to anchor them to the soil
the cut and cover technique is
~ not tunneling, but is used to create tunnels
...
APSC 151 Geotechnical
Engineering Questions And
Answers
properties of clay
✓✓✓✓~ impermeable, causes foundations to be unpredicatable
properties of silt
✓✓✓✓~ sensitive to variations, causes weak foundations and sensitive to frost heaving
properties of sand
✓✓✓✓~ good foundation and drainage but sensitive to water content and density
properties of gravel
✓✓✓✓~ if angular it interlocks causing erosion proofing
if rounded good for energy absobing
soil slopes need to be
, ✓✓✓✓~ managed so that they do not fail
landfills are highly
✓✓✓✓~ engineered to prevent harm to the surrounding environment
foundations and footings
✓✓✓✓~ are placed deep into the ground to create building stability
retaining walls must
✓✓✓✓~ work with the properties of the soil in order to be useful
engineering in permafrost is difficult becuase
✓✓✓✓~ as the climate changes it has unpredictable behaviour
what are earth dams
✓✓✓✓~ dams that control water using critical properties of different earth materials
the components of an earth dam include
✓✓✓✓~ clay (impermeable core)
sand/silt (retains the core)
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