STAAD.Pro is the structural engineering professional’s choice for steel, concrete, timber, aluminum, and cold-formed steel design of virtually any structure including culverts, petrochemical plants, tunnels, bridges, piles, and much more through its flexible modeling environment, advanced features, and fluent data collaboration.

Bentley Systems announce the latest new release of the STAAD.Pro V8i SELECTseries 4. The new release has undergone not only the stringent quality assurance programme that all STAAD.Pro releases go through, but also additional QA processes required for applications that are to be used on nuclear projects, notably the specific 10CFR21 reporting requirements. This has resulted in a large number of updates/fixes reported in the Revision History documentation. Additionally we have added 2 new features that all users can take advantage of.

- Enhanced ABS/SRSS Combination Results
The nature of ABS and SRSS methodology means that only a single value is returned from these forms of load combination, i.e. always positive. However, although a single value this can represent an envelope of results from a maximum negative to maximum positive. Also, consider forces on a member, these have six degrees of freedom at each end. Each degree of freedom can be either positive or negative, resulting in 64 various permutations of result for a single combination.
The current LOAD COMBINATION command is enhanced with a GENERATE option to activate creation of the 64 permutations. As an SRSS combination can include algebraic parts, the output file indicates the envelope covered by these and ABS showing the maximum and minimum values. Currently code checking for AISC 360-10 and ASME NF codes will take advantage of the results from the 64 permutations; other codes will behave as before.
- Connection Tags
This new feature allows ends of members to be given reference tags to represent a connection type. These tags will be transferred with the model into an ISM repository allowing any detailing application that pulls the model from the ISM repository to detail an appropriate connection.
An XML template is provided to allow the capacities of connections for given column/beam combinations to be quickly checked against the analysis results.
Also where specific connection types are associated with releases (e.g. a shear connection having MZ release), the release can be assigned at the same time as the connection tag.

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