The Structural Engineer's Corner

Eng. Onorio Francesco Salvatore

[DOWNLOAD] Annual Probability of Exceedance for structures in New Zealand according to AS-NZS 1170


In this post an Excel spreadsheet based on the AS/NZS 1170 is available. Scope of the tool is to define the Annual Probability of Exceedance, P (and, hence, Average Recurrence Level, R), for Ultimate State Limit and Serviceability Limit States. The values are referred to New Zealand, as per Section 3, Table 3.3. The Annual […]

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Strength of soils at Serviceability and Ultimate Limit States


In a previous post we discussed about the relations to use in order to evaluate the embedment depth of the utility services poles direct-planted. To whom could have missed it, the post is the following: Embedment depth for utility services poles according to Australian Standard 4676 The relation discussed requires values for the foundation soil. […]

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Embedment depth for utility services poles according to Australian Standard 4676


When dealing with methods for proportioning footings and poles, an useful reference is the Australian Standard 4676, titled “Structural design requirements for utility services poles”. For direct-planted poles, hence not on square pads, the Engineer can make some reasonable assumptions on the location of the centre of rotation of the footing and the vertical distribution […]

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Ultimate Limit States and Serviceability Limit States in Australian Standard AS 1170


The Limit States used in Australia (AS 1170.0 – Structural design actions) are similar to those of other codes, like the ISO ones. There are: – Ultimate Limit States, ULS; – Serviceability Limit States, SLS. There are two different types of Serviceability Limit States: – SLS1 => the structure and the non-structural components do not […]

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