D13.C.3 Built-in Russian Steel Section Library

STAAD.Pro can check many standard sections in SP 16.13330.2011.

Table 1. Typical Sections for Russian Steel Design
Section	Section Type	Designation form
I-beam (GOST 8239-89)		`ST I12`
Regular I-beam (GOST 26020-83)		`ST B1-10`
Broad-flanged I-beam (GOST 26020-83)		`ST SH1-23`
Column I-beam (GOST 26020-83)		`ST K1-20`
Channel (GOST 8240-89)		`ST C14`
Equal legs angle (GOST 8509-89)		`ST L100x100x7` `RA L100x100x7`
Unequal legs angle (GOST 8510-89)		`ST L125x80x10` `RA L125x80x10`
Pipes (GOST 10705 and GOST 10706; welded and for gas piping)		`ST PIP102x5.5` or `ST PIPE OD 0.102 ID 0.055`
Roll-formed square and rectangular tubes (GOST 8639 and GOST 8645)		`ST TUB160x120x3` or `ST TUBE TH 0.003 WT 0.12 DT 0.16`

Table 2. Compound Sections for Russian Steel Design
Section	Section Type	Designation form
Double channels		`D C14 SP 0.01` (SP – clear distance between channel walls)
Double equal legs angles		`LD L100x100x7 SP 0.01` (SP – clear distance between angle walls)
Double unequal legs angles with long legs back to back		`LD L125x80x10 SP 0.01` (SP – clear distance between angle walls)
Double unequal legs angles with short legs back to back		`SD L125x80x10 SP 0.01` (SP – clear distance between angle walls)
Tee with flange at the top Note: Flange of Tee beam is at the top part of cross-section if beta angle = 0°, or at the bottom part if beta angle = 180°.		`T I12` `T B1-10` `T SH1-23` `T K1-20`

For entry of cross-sectional dimensions command MEMBER PROPERTIES RUSSIAN is used.