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Q: The _______ is made of steel sheet piles and this type of cofferdam is proved successful in unwatering large areas.
  • A. Suspended cofferdam
  • B. Cellular cofferdam
  • C. Dikes
  • D. Concrete cofferdam
Correct Answer: Option B - Cellular cofferdam– The cellular cofferdam is made of steel sheet piles and this type of cofferdam is provide successful in unwatering large areas. There are two types of cellular cofferdam– (i) Diaphragm cellular cofferdam (ii) Circular cellular cofferdam
B. Cellular cofferdam– The cellular cofferdam is made of steel sheet piles and this type of cofferdam is provide successful in unwatering large areas. There are two types of cellular cofferdam– (i) Diaphragm cellular cofferdam (ii) Circular cellular cofferdam

Explanations:

Cellular cofferdam– The cellular cofferdam is made of steel sheet piles and this type of cofferdam is provide successful in unwatering large areas. There are two types of cellular cofferdam– (i) Diaphragm cellular cofferdam (ii) Circular cellular cofferdam