COMDEK RELEASE HISTORY

Version 8.1

CF51 profile properties updated in accordance with latest test results

Version 8.0

Introduction of CF60 (Z350) and removal of S450 version

Use web crushing strength based on test results (CF60 only)

Implementation of revised profile and slab data for CF80 profile

Implementation of new engineering model for CF60 double spans

Profile cross-section areas based on data file values.

Version 7.0

Inclusion of CF60 in grade S450

Correction of unity factors for intermediate span fire fibre design (error in V6.0)

Modifications to moment-curvature data for CF51, CF70 and CF80 profiles to allow design of slab thicknesses less than the minimum required for insulation purposes.

Inclusion of fibre fire help pages

Version 6.0

Issue Date 25/10/2006

Facility for fibre reinforcement as an option to mesh reinforcement added for CF 80, CF60 and CF51 deck profiles

Additional gauges for CF 80 introduced.

Minimum slab depths for CF 80 revised to accord with recent fire tests

m and k values for CF 80 revised.

Treatment of ponding revised to BS 5950 : Part 4.

Deck yield selection restricted to availability of test data

Availability of software updates is checked provided a suitable Internet connections exists

Version 5.1

Issue Date        10/1/2005

Introduce CF 80 - limited issue

Version 5.0

Issue Date        5/2004

Include facility for ground floors and basements for Catnic

Include capability for unequal double span

Re-issue Richard Lees version covering SD 225 only.

Version 4.0

Issue Date        27/3/03

Move to VB6 - Windows 2000 look and feel

No of calculation points increased from 41 to 51

Disclaimer and prog. info. added

Help style modified to align with rest of family

Version 3.2

Issue Date        11/2001

Core Comdek Software with CF 210 and PMF shallow profiles

Fire calculation speeded up

Doubled up meshes position error corrected.

Mesh position in sagging corrected.

Shear span is area under shear diagram divided by MAXIMUM end reaction.

Error when backspace is used in Shear Connector No. entry text box corrected

Version 3.0

Issue Date        4/7/2001 (via Corus CCC CD)

Design to Eurocodes added (ENV)

Prop width added - notes on prop width removed

Contribution of decking to shear resistance of the slab now based on test value

Output of concrete shear stress and advice on detailing of bar reinforcement

End diaphragm resistance now taken as 90% of the test value

Correction to calculation of slab effective depth for shear bond resistance

Bending moment factor changed to 0.250 from 0.251

Dynamic sensitivity default set to 5Hz in all cases

Decking design strength amended to 0.95fyAp in accordance with BS 8110 (1997).

Moment redistribution reduced from 50% to 30%

Min. 0.15% reinforcement ratio if no bar specified

Version 2.1

Issue Date        27/1/99

Conversion to SD 225

Area printed out for profile changed to total steel area - not the total area of X-section

End diaphragm resistance not to be factored

Version 2.0

Issue Date        5/98

Bugfix: ponding at construction stage

Version 1.0.4

Issue Date        17/2/97

Mods to A Shepherd's comments of 19 Jul 96  and of 23 Aug 96

Bugfix of ber and bem calcs.

Correction of printout for position of bar reinf't in shallow decks

Allow up to 50% moment redistrition for moment - web crushing check

Version 1.0.1

Issue Date        1/6/96

Web crushing: Calcs. revised, interaction of b.m and web crushing added

Rebars added to shear bond in bending capacity

Version 1.0

Issue Date        2/4/96

Core Comdek Software with CF 210 and PMF shallow profiles