Question

Assessment 9.0: Soil Mechanics Produce a 300 word report which identifies the cause and effect of slips in embankments and cuttings and the affect it might have on safety of the line. The report should include the theory behind soil mechanics – soil saturation, subsidence, inappropriate mineral extraction, overloading of embankment by neighbouring construction and subterranean fires. Include a range of potential solutions to embankment stability risks.

Would prefer in Text as don't understand the handwriting on here.

Answer 1

An embankment refers to a volume of earthen material that is placed and compacted for the purpose of raising the grade of road way above the level of the existing surrounding ground-surface. A fill refers to a volume of earthen material that is placed and compacted for the purpose of filling a hole or depression.

Cut slopes are rarely created greater than a slope of two to one. Cut section of roadway or rail are characterized by the Roadway being lower in elevation then the surrounding terrain.

When the cutting constructed in stiff clayey and embankment, over burden pressure near the face of a cutting (or) clay swell as a negative pore pressure and reduce the water is drawn into the soil and finary the stiff clay become soft and slip is initiated.

When slip is imminent in a cohesive soil a tension crack will always develop by the top surface of slope along which no shear resistance can develop faluting effects on stability of embankment dams and ground displacement of normal and reserve dip-slip faults, with various dip angles. Land subsidence is a gradual settling (or) sudden sinking of the Earth surface. It is mostly often caused by the removal of water, oil, natural gas (or) mineral resources out of the ground by pumping activities.

Mineral extraction is a continuous process of development there is a requirement for routine monitoring and if necessary to mitigate impact of mineral working operation.