2.17 A clay specimen 25 mm thick (drained at top only) was tested in the laboratory. For a given load increment, the time for 60% consolidation was 6 min. How long will it take for 50% consolidation for a similar clay layer in the field that is 2.45 m thick and drained on both sides?

Q: For a laboratory consolidation test on a clay specimen (drained on both sides) the following results…

A: P1 is equal to 50 KpaP2 is equal to 120 Kpae1 is equal to .92e2 is equal to 0.78Time…

Q: A clay layer 5 m thick has double drainage. It was consolidated under a load of 127.5 kN/m2. The…

A: Given Data:Thickness of layer=5mdouble drainageLoad=127.5 kN/m2Increased load=197.5 kN/m2Coefficient…

Q: A 3-m thick layer of saturated clay (two-way drainage) under a surcharge loading underwent 90%…

A: Thickness of saturated clay layer, H= 3 m Drainage condition = 2 way drainage  Degree of…

Q: A 10 m thick clay layer overlying an impermeable rock is consolidated under an overburden pressure…

A: H = 10 m  = 500 kPa = 300 kPa

Q: 3- The time for 65% consolidation of a 1.12-inch clay specimen (drained at top and bottom) in the…

A:

Q: A 12 ft. sandy fill is to be added to the saturated clay site shown below. The moist unit weight of…

A: Before loadingσ'=112.4-62.4×10=500 lb/ft2After loadingσ'=500+115×12=1880 lb/ft2σc'=1000 lb/ft2

Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.