Notes on the worked examples

The worked examples have been produced using MathCad version 14.0, produced by Parametric Technology Corporation (PTC).

Mathcad requires variables to be defined with unique identifiers and so we have made extensive use of subscripts within the software. Wherever possible, we have employed self-explanatory symbols, but on occasions this has been difficult to do.

Verifications of strength (see Chapter 6) involving Design Approach 1 require two separate calculations to be performed, the so-called Combinations 1 and 2. To reduce the space taken, we present these parallel calculations in matrix format, for example:

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