Identify and evaluate appropriate techniques to calculate the factor of safety against rotational failure within the dam shown in Figure Q4.

Question 1

1. a) What factors should be taken into consideration when locating a new landfill site? 12 marks
2. b) Figure on in Appendix A on page 6 shows the proposed site for a new landfill (outlined in red). Critically discuss this location from the information given on the map with respect to engineering the site. What further information do you need to make a full analysis?

Figure

Question 2

1. When considering the geotechnical properties of municipal solid waste (MSW), which properties should be taken into account and why? 20 marks
2. Why does the content of MSW change over time and from country to country? How does this affect its properties?

Question 3

Figure Q4 in Appendix B on page 7 shows a section through a tailings dam. Identify those features which are typical of the upstream method of construction and critically discuss why such constructions give rise to concern for their safety. 16 marks

4. b) Identify and evaluate appropriate techniques to calculate the factor of safety against rotational failure within the dam shown in Figure Q4.