D1.I.2.3 Design Parameters
These parameters may be used to control the design process to suit specific modeling needs. The default parameter values have been selected such that they are frequently used numbers for conventional design.
|Parameter Name||Default Value||Description|
Must be specified as ASCE 52.
Specifies locations along member length at which member design is designed.
|DBL||0.75 in.||Diameter of bolt for calculation of number of bolts required and the net section factor.|
|DMAX||45.0 in.||Maximum allowable depth for member selection|
|DMIN||0.0 in.||Minimum allowable depth for member selection|
Indicates what type of end conditions are to be used from among Equations 4.7-4 thru 4.7-7 to determine the KL/R ratio.
Indicates what type of end conditions are to be used from among Equations. 4.7-8 thru 4.7-10 to determine the KL/R ratio.
|FVB||30 KSI||Shear strength of bolt.|
|FYB||36 KSI||Yield strength of bolt.|
|FYLD||36.0 KSI||Yield Strength of steel|
|KT||1.0||Effective length coefficient for warping restraint (clause 4.14.4, pg 36)|
|KY||1.0||Effective length factor (K) for compression buckling about the Y-axis (minor axis)|
|KZ||1.0||Effective length factor (K) for compression buckling about the Z-axis (major axis)|
This parameter is meant for plain angles.
|LT||Member Length||Effective length for warping.|
|LY||Member Length||Length to calculate slenderness ratio for buckling about the Y-axis (minor axis)|
|LZ||Member Length||Length to calculate slenderness ratio for buckling about the Z-axis (major axis)|
Parameter that indicates the member type for the purpose of calculating the KL/R ratio (See Cl. 4.4, p. 25)
|NHL||0||Number of bolt holes on the cross section that should be used to determine the net section factor for tension capacity.|
|NSF||1.0||Net section factor for tension members|
|RATIO||1.0||Permissible ratio that determines the cut off point for pass/fail status. A value below this quantity indicates PASS while a value greater than this quantity indicates FAILURE.|
Level of detail in output
|UNF||1.0||Same as UNL, but provided as a fraction of the member length|
|UNL||Member Length||Unsupported length of member for calculation of allowable bending stress|