Answer the following questions

1) What type of dam depends on its own weight?

2) What type of dam gets its strength essentially to its form?

3) Is the stability of arch dams obtained by a combination of arch and gravity action?

4) Must the entire weight of the dam be carried to the foundation by gravity or arch action?

5) When is the distribution more complicated?

6) An arch dam is curved in plan, isn’t it?

7) What does an arch dam carry horizontally to the abutments by arch action?

8) What must be capable of resisting the arch forces?

9) Arch dams can be used in any site, can’t they?

10) What are all arch dams made of now?

11) Have a lot of arch dams failed?

12) What forces act on arch dams?

13) Why are uplift forces less important for arch dams than for gravity dams?

14) What internal stresses may become quite important in arch-dam design?

15) What must arch dams be built on?

16) In what manner are seams and pockets in the foundation and abutments grouted?

17) Why must care be taken in the mixing, pouring and curing of the concrete?

18) Where may I0-ft lifts be placed at?

19) What is placed between lifts? Why?

20) What kinds of joints may be used in arch dams?

21) What must be used to prevent leakage?

22) What is it necessary to do to minimize temperature stresses?

23) Can you name the most famous arch dams in the world?