FREQUENTLY ASKED QUESTIONS
CHECKPOLE has been optimised for 64-bit operating systems to prevent memory issues when analysing resource-intensive map image data.
CHECKPOLE requires an active internet connection to validate licence credentials and manage users. If you are behind a firewall or proxy, you may have trouble connecting to the Revolutio licence server. In such cases, you have some options:
- Allow CHECKPOLE to access the internet through your firewall.
- Open standard HTTP (80) and HTTPS (443) ports.
- Allow access to revolutio.com.au and vip.timezonedb.com domains.
- CHECKPOLE will display a notification warning if it detects a proxy; you can edit the proxy settings by clicking on the notification.
CHECKWIND uses Firefox as the user agent for accessing Google Maps data. Please ensure this is not blocked/filtered with your network security settings.
You will need to configure your network settings, proxy and/or firewall to allow CHECKPOLE access to Google Maps.
We’re dependent on the quality of Google Maps data for terrain/exposure category detection. Most new structures are built in or near urban areas where map data tends to be more accurate, and for this reason the detection algorithm is catered towards getting the best possible answers for urban sites.
Regional sites may have less refined map data, leading the detection algorithm to provide less accurate results. However, their isolation usually makes determining the terrain/exposure category straightforward by simply reviewing the satellite imagery. It’s for this reason that we overlay the influence zones on the map to allow the user to confirm that the detected terrain/exposure categories make sense.
CHECKPOLE uses the Rayleigh method to calculate the first mode natural frequency. The advantage of the Rayleigh method is that it enables CHECKPOLE to account the mass of lap joints, stiffness reductions at openings, non-uniform shaft mass from tapers and masses above the tip, which is otherwise more difficult using a conventional stiffness formulation.
If the natural frequency for a library pole calculated by CHECKPOLE is lower than you’ve calculated in a program such as SPACE GASS, that makes perfect sense; CHECKPOLE is taking into account the mass of material at the laps and also any openings along its length which will drastically reduce stiffness, neither of which can be into consideration by programs such as Mstower or SPACE GASS.
If the monopole natural frequency is less than 1.0 Hz and the ultimate limit state (ULS VR) and serviceability limit state (SLS VR) regional wind speeds are similar/equal, it is possible for the serviceability wind case to give higher values than the ultimate wind case. This is due to the application of Cdyn and the difference in structural damping ratios specified in AS/NZS 1170.2 (Section 6.2.2). This can be avoided by using an appropriate (i.e. lower) serviceability limit state regional wind speed.
Cross-sections with single openings are calculated as per BS EN 40-3-3 (based on actual test data of single openings in street light poles), and accounts for plate and member buckling effects.
Cross-sections with multiple openings are conservatively calculated using the elastic section modulus, accounting for plate and member buckling effects using the same principles as single openings.