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Introducing the new series of Geosense Knowledge Articles.

Our technical team is currently working on a series of articles to highlight considerations associated with various applications.

This article presents the basic concepts to help decide how to monitor tilt taking into consideration the most common issues encountered and the type of data sought.

To understand tilt & angular distortion appears to be quite simple. However, since late 1950s many reference professionals and academics have been trying to derive relationships between tilt & angular distortion and the risk of damage to buildings.

Regarding instrumentation, more often than not it looks like there are several options to monitor tilt & angular distortion. A good understanding of the behaviour of the structure is needed, together with careful planning and design for instrumentation and monitoring.

 

This article outlines the main points to check during installation of load cells to control tensions while installing and service life, applied on bar and cable ground anchors as well as pre-stressing and post tensioning tendons.

However simple they may appear, load cell installations pose unexpected questions. These challenges include load range, alignment, positioning and diameter consistency, as well as temperature effects, all of which will have significant impacts on the outcome. 

This article outlines the challenges that may be faced during the installation of deep piezometers which are defined as having a depth greater than 50m.

Deep piezometer installations create a range of challenges, with the deeper the installation the larger the impact. These challenges include the positioning of the response zone, placing of the piezometer, protection of the sensor and cable and backfilling of the borehole all of which will have significant impacts on a successful installation.