You are assigned to determine the maximum design axial load strength of a short, circular column, having a diameter of 18 in. and reinforced with No.9 longitudinal bars. The cover is 1.5 in. and the spiral is No.3 bar spaced 2 in. o. c. Use f'c=3,000 psi, and fy=40,000 psi. 1- What is the maximum design axial load of the above-mentioned column? 2-How much additional axial strength could be provided (in percentage) by using a fy=60,000 psi steel?

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

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