Question

Calculate the total settlement of the landfill at the end of the 10th month (in % of the initial height). The filling sequence is listed in the following table. Please consider the settlements of the layers individually.

	Time period	Initial thickness of the waste layer (m)		Assume the following: Average unit weight of MSW = 9.4 kN/m3 Original applied pressure = 50 kN/m2 Modified primary compression index = 0.26 Modified secondary compression index = 0.06 Secondary settlement starting time = 1 month
	1st month	4.2
	2nd month	5.2
	3rd month	4.6
	4th month	6.8
	5th month	6.5
	6th month	6.4
	7th month	4.3
	8th month	4.5
	9th month	4.7
	10th month	5.1

Answer 1