TENSION MEMBERS

Question 1

• For high strength steel where the yield point is not well defined, the value of Fy is estimated at a point where

Answer 1

0.2% strain offset

Question 2

• Using AISC 2016 Table D3.1, determine the value of U assuming 3 bolts per line

Answer 2

0.6

Question 3

• For transverse welded connections when not all the elements are connected, the effective Area Ae is equal to the Area of the connected part A and therefore U is equal to

Answer 3

1

Question 4

• There is no Block shear failure in ASD because block shear failure happens in the __________
  range of behavior

Answer 4

plastic or inelastic

Question 5

• High strength steel is less ductile than mild steel because of its low ______ content

Answer 5

Alloy

Question 6

• Determine the net Area An of a ¼ in by 4 inches plate and the diameter of the bolt is 7/8 in.
  Assume plate thickness is ¼ in

Answer 6

¾

Question 7

• Rolled steel sections that do not belong to standard shape section like W,S,C and T are called
  ___________ shapes

Answer 7

Miscellaneous

Question 8

• The actual rupture strength of steel is lower than the rupture strength recorded in a coupon
  test

Answer 8

False

Question 9

• The strength of a tension member is controlled by

Answer 9

lowest strength limit state

Question 10

• What is the equivalent diameter of the hole if the nominal hole diameter is ¾ in?

Answer 10

13/16

Question 11

• The value s 2/4g is an additional width of the section due to

Answer 11

Staggering

Question 12

• The plates are secondary braces to ensure that ___________ members behave as a single unit

Answer 12

built-up

Question 13

• Using the formula U=1-x/L, Determine the value of U if L=10. Note: The 5 in leg is connected
  on the plate

Answer 13

0.9

Question 14

• The center to center distance between two consecutive bolts in a bolt line is called

Answer 14

Pitch

Question 15

• Block shear fracture thru bolt holes considers

Answer 15

shearing of the plate

Question 16

• Range along the stress=strain curve where the x-sectional area starts decreasing prior to failure is called

Answer 16

Inelastic range

Question 17

• Equivalent hole diameter is equal to

Answer 17

Any of the above

Question 18

• Which of the ff is not true for a W-shape section

Answer 18

None of the above

Question 19

• The length of a tension member is significant both in the strength and serviceability limit state conditions.

Answer 19

False

Question 20

• The condition in which the efficiency of the cross section is reduce to a certain percentage of the net section is due to a behavior known as ________________.

Answer 20

Shear lag/shear lag effect

Question 21

• the equivalent hole diameter considers both an allowance for bolt insertion and an allowance for error due to _____________ brought about by punching, drilling, etc.

Answer 21

Damage

Question 22

• when all elements of the section are connected by fasteners or welds then the shear lag effect is

Answer 22

1

Question 23

• Pure axial tension members are those which the force in tension is applied at the _______________ axis.

Answer 23

Centroidal

Question 24

• The block shear failure mode is a combination of shear and tension failures on the

Answer 24

Connecting plate

Question 25

• which of the following statement is not a true as far as the strength limit state condition on tension members are concerned?

Answer 25

None of the above

Question 26

• The condition in which steel exhibits a considerable increase in tension strength beyond the yield point is called _______________.

Answer 26

Strain hardening