The material retained or supported by the retaining structure is called __________
(a) Surcharge
(b) Support wall
(c) Back fill
(d) All of the mentioned
The question was posed to me by my college director while I was bunking the class.
This intriguing question comes from Plastic Equilibrium in Soils : Active and Passive States in portion Failure Envelopes & Earth Pressure of Geotechnical Engineering II