DESIGN OF SMALL DAMS CH. 6

Question 1

THE REASON EARTHFILL DAM IS THE MOST COMMON TYPE OF DAM BECAUSE ITS CONSTRUCTION INVOLVES USING MATERIALS IN THEIR UNNATURAL STATE WITH MORE PROCESSING

Answer 1

FALSE

Question 2

THE ESSENTIAL REQUIREMENTS OF THE FOUNDATION FOR AN EARTHFILL DAM IS THAT IT PROVIDE STABLE SUPPORT FOR THE EMBANKMENT UNDER ALL CONDITIONS OF SATURATION AND LOADING AND THAT IT PROVIDES SUFFICIENT RESISTANCE TO SEEPAGE TO PREVENT LOSS OF WATER

Answer 2

TRUE

Question 3

THE PURPOSE OF GROUTING A DAM FOUNDATION IS TO ACT AS A BINDER AND FILLS IN THE VOIDS IN THE FOUNDATION

Answer 3

TRUE

Question 4

THE PURPOSE OF TOE DRAINS IS TO GIVE THE OPERATOR AN ELEVATION READING

Answer 4

FALSE

Question 5

WHAT ARE SOME DISADVANTAGES OF GROUT CAPS

Answer 5

EXCAVATION FOR THE CAP MAY DISTURB (DAMAGE) FOUNDATION

Question 6

THE METHODS OF TREATING SILT AND CLAY FOUNDATIONS ARE BASED ON THE SOIL TYPE AND LOCATION OF WATER TABLE AND THE DENSITY OF THE SOIL

Answer 6

TRUE

Question 7

WHY CANT A DESIGNER OF AN EARTHFILL DAM RELY ON THE APPLICATION OF MATHEMATICAL ANALYSIS OR FORMULAS TO DETERMINE THE REQUIRED CROSS SECTION TO THE DEGREE THAT ONE CAN FOR A CONCRETE DAM

Answer 7

ALL OF THE ABOVE

Question 8

IN REFERENCE TO DAM FREEBOARD MEANS THE VERTICAL DISTANCE BETWEEN THE CREST OF TH EMBANKMENT AND THE RES. WATER SURFACE

Answer 8

TRUE

Question 9

NAME SOME MATERIALS USED FOR UPSTREAM SLOPE PROTECTION ON EARTHFILL DAMS

Answer 9

ALL ANSWERS

Question 10

ROCK FOR RIPRAP SHOULD BE HARD DENSE AND DURABLE IT SHOULD BE ABLE TO RESIST LONG EXPOSURE TO WEATHER. WHAT TYP SHOULD BE USED?

Answer 10

A-LIMESTONES
B-SANDSTONES