BTII+ | Lateral Torsional Buckling Analysis | Update Information

02/21

Internal

Technical adjustment

01/21

Internal

Technical adjustment

01/18

Correction

Graphical view of the results at the cross-section:
At the thin walled profiles not all values could be selected

Superposition:
The point of application for loads in z-direction was set in the origin

02/17

Correction

The reduction factor Chi, LT is modified according to the moment distribution. (Eq 6.58).

01/17

Correction

Internal force Vz:
Direction change for the load input at the cross-section fixed.

02/16

Addition

Load transfer:
Design values for support reactions can be transferred to the steel program STS+ as design load cases.

Correction

The rotation in the graphics are corrected to the unit [rad].

01/16

Correction

Graphical output improved.
Correction for the design of lateral and lateral torsional buckling according to EN 1993-1-1, 6.3.4

02/15

Correction

User defined cross section values corrected.
Output table: Support reactions for cross sections with turned principal axes.

01/15

New Version

First Version of BTII+ in English with new user interface.
Eurocode with National Annex implemented for Great Britain, Germany and Austria.