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Q: The net area of a tension members is primarily calculated by ____ .
  • A. Subtracting the total area of bolt holes and other deductions from the gross area
  • B. Dividing the gross area by the number of bolt holes
  • C. Taking the average of bolt holes area and gross area
  • D. Adding the area of bolt holes to the gross area
Correct Answer: Option A - Net sectional area– The net sectional area of a tension members is the gross sectional area of the member minus the sectional area of the total number of holes. The unit stress in a tension member is increased due to the presence of a hole even if a bolt the occupied by a hole. This is because the area of steel to which load is distributed is reduced and some concentration of stress occurs along the edges of the hole.
A. Net sectional area– The net sectional area of a tension members is the gross sectional area of the member minus the sectional area of the total number of holes. The unit stress in a tension member is increased due to the presence of a hole even if a bolt the occupied by a hole. This is because the area of steel to which load is distributed is reduced and some concentration of stress occurs along the edges of the hole.

Explanations:

Net sectional area– The net sectional area of a tension members is the gross sectional area of the member minus the sectional area of the total number of holes. The unit stress in a tension member is increased due to the presence of a hole even if a bolt the occupied by a hole. This is because the area of steel to which load is distributed is reduced and some concentration of stress occurs along the edges of the hole.