Find the size of a conical spoil bank created by the excavacation of 500 BCY of clay. The soil's swell is 30% and its angle of repose is 35 degrees.

16. Which of the following is/are correct? 1. Clays are generally compacted by Vibratory rollers II. Clays are generally compacted by Sheepsfool rollers III. Clays are generally compacted by dynamic compaction IV. Granular soils are generally compacted by static loads V. Granular soils are generally compacted by vibratory loads a 1&11 b. ll only c ll&NV d. ll&NV en&v 17.Al optimum water content, which of the following is not true? a dry density is the maximum b. permeability is the minimum c. porosity is the minimum d. strength is the maximum e None of the above 18. Compacting a clay wet of optimum results in a more flocculated clay fabric b. more strength c. higher shrinkage d. higher permeability e None of the above

What is the total primary consolidation settlement? What is the settlement at 10 years? How much time is needed for 0.5 inches of settlement? q = 5.5 ksf Sand: y = 115 Ib/ft³, E= 600 ksf, v= 0.3 3 ft Ground water level Clay:Ysat = 125 lb/ft³, Cc=0.18, Cw=0.03, Cv=1.25x10-7in²/sec, o̟'= 2.5 ksf, e,=0.8 4 ft Impermeable bottom

Describe in detail Primary Compression Settlement for Clays.

What do you understand by active and passive earth pressure? How will you determine thesein clay and sandy soils?

In mechanical soil

A clay layer, whose total settlement under a given loading is expected to be 16 cmsettles 4 cm at the end of 1 month after the application of load increment. How manymonths will be required to reach a settlement of 8 cm ? Assume to have doubledrainage

Assuming the bedrock is impermeable, determine the time it took the clay layer to reach 90% consolidation after sand fill placement and after sand fill removal. Assume cv = 8 e-6 ft^2/s.

Define swelling clays.

Describe spring analogy system with neat sketch. [5] A clay layer, whose total settlement under a given loading is expected to be 11cm settles 3cm at the end of inonth after the application of load increment. How many months will be required to reach a settlement of Scm? How much settlement will occur in 10 months? Assume the layer to have double drainage system. [7] Maximum size for Files You can drag and drop files here to add them. Accepted file types All file types