TENSION - Ilaw Flashcards
For high-strength steel where the yield point is not well defined, the value of Fy is estimated at a point where ______.
0.2% Strain Offset
Using AISC 2016 Table D3.1, determine the value of U assuming 3 bolts per line.
0.6
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 ____.
1
There is no Block shear failure in ASD because block shear failure happens in the ________ range of behavior.
Plastic or Inelastic
High strength steel is less ductile than mild steel because of its low ____ content.
Carbon
Determine the Net Area (An) of a 1/4 in. x 4 in. plate and the diameter of the bolt is 7/8 in. Assume plate thickness is 1/4 in,
3/4 in^2
Rolled steel sections that do not belong to standard shape section like W,S,C, and T are called _________ shapes.
Miscellaneous
The actual rupture strength of steel is lower than the rupture strength recorded in a coupon test.
False - higher
The strength of a tension member is controlled by _________.
Lowest Strength Limit State
What is the equivalent diameter of the hole if the nominal hole diameter is 3/4 in.?
13/16 in
The value s^2/4g is an additional width of the section due to __________
Staggering
The plates are secondary braces to ensure that __________ members behave as a single unit.
Built Up
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.
0.9
The center to center distance between two consecutive bolts in a bolt line is called ___________.
Pitch
Block shear fracture thru bolt holes considers ___________.
Shearing of the Plate
The condition in which steel exhibits a considerable increase in tension strength beyond the yield point is called _________.
Strain Hardening
The range along the stress-strain curve where the x-sectional area starts decreasing prior to failure is called _________.
Inelastic Range
Serviceability limits due to vibration and sagging depend on the ___________.
Slenderness
The block shear failure mode is a combination of shear and tension failures on the ________.
Connecting Plate
The equivalent hole diameter is equal to __________.
any of the above
Pure axial tension members are those to which the force in tension is applied at the __________ axis.
Centroidal
Which of the following statement is not true as far as the strength limit state condition on tension members are concerned.
NOTA
The equivalent hole diameter considers both an allowance for bolt insertion and an allowance for error due to ___________ brought about by punching, drilling, etc.
Damage
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 _________.
Shear Lag
The length of a tension member is significant both in the strength and serviceability limit state condition.
False
Which of the following is not true for a W-shape section.
None of the above
When all elements of the section are connected by fasteners or welds, then the shear lag effect is __________.
1
