D11 | Purlin and Rafter Roof (Dach) | Update Information

02/19

Eurocodes

New snow load standard ÖNORM B 1991-1-3:2018-12 implemented.
CIRCOLARE:2019 according to NTC:2018 added.

Addition

D11: Buckling design added

Correction

DGK: For angles alp. pl. different to 90 degrees, the geometry was not correct displayed for valley rafters.

01/19

Correction

Activated snow guard is now taking in to account again.
D2C: Stream beam and princ. rafter will be designed again.

02/18

Eurocodes

NTC EN 1995:2018 implemented.

Addition

In the detailed optional output you get now the value kdef.
DGK: There is now a note in the output, that the dead load of the jack rafters is not included.

Correction

DGK: ASCII-Import could cause a crash.
D12: Input of supports for the collar beam could cause a crash.
D11 with ridge-purlin: Graphic view of the support reactions corrected.
Connections with cleat corrected and proof of notching added.

01/18

Addition

For the graphical output you can set now your own measure.
For the input of the hight you can use now 3 places after the decimal point.
Stability design now also for N=0.
If there is only 1 horizontal support on a roof side, it can be used for connections, even if it is not the last support of the rafter.

Correction

When a position was saved, there could occure an error 53.
Calculation of kv due to DIN NA NCI 6.5.2 was changed, because this applies only for top notching.

02/17

Correction

New Materials due to EN 338:2016 and 14080:2013 set to standard.
D12: In the connection dialog of the collar beam the text is changed to: "req dowels per shear band".
D12: Design of collar plate corrected.
DGK: Dimensions in the graphic view corrected.

01/17

Eurocodes

New softwood and hardwood implemented according to EN 338:2016.

Addition

Output of timber design optionally can be disabled.

Correction

Connections of collar beams and purlins with nailed cleats: hight and width changed.
Load transfer crash to DLT / HO7 fixed.

02/16

Eurocodes

Glulam according to EN 14080:2013 implemented for Germany and Italy.
The "old" Glulam timbers are marked with * (for example GL24c*).

Addition

Output Profile:
The graphics for max/min can be defined for the output.
The load combination list is set for the output as default.

Correction

Snow loads for ÖNORM EN: If the influence area is smaler than 10 m² then the snow load is increased.
The behavior of snow accumulation has been corrected in the load dialog.
Additional snow load was set to domestic load when transfered to DLT.
Corrected factor kh to increase strength with small cross-sections.
D12: The selectable but not changeable number of the collar beams is removed.

01/16

Erste Version

Erste Version des neuen Programms

01/16

Eurocodes

ÖNORM EN 1995:2015 in combination with ÖNORM EN 1991:2013 implemented.
BS EN 1995: 2012 in combination with BS EN 1991: 2011 implemented.

Correction

D9: Wind loads corrected for uplift design of mono-pitch rafters.
DGK: Values for width and height are stored in the load dialog again.