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More bespoke solutions needed to improve geotechnical monitoring

Adaption of surveying techniques for geotechnical monitoring has helped improve understanding of asset condition but more state of the art solutions are needed, according to Cambridge Centre for Smart Infrastructure and Construction’s (CSIC) Mehdi Alhaddad.

“We need to design monitoring instrumentation specifically for geotechnical problems,” Alhaddad told GE ahead of his presentation of CSattAR photogrammetric techniques at GE’s Instrumentation and Monitoring Conference next month.


New approach

Technologies such as CSattAR cameras could revolutionise geotechnical monitoring

Alhaddad urged designers, contractors and clients to continue asking the fundamental questions of whether the conventional approach is fit for purpose and be curious about the potential of new technology. “I’m confident if designers and contractors continue this debate and clients continue their support, we will have smarter, more effective and more efficient systems in use within the next five years,” he said.

According to Alhaddad, CSattAR is a highly precise photogrammetric technique used to monitor structural movement at a fraction of the cost of alternative conventional systems. “The technology consists of off the shelf cameras and simple targets,” he explained. “In some cases existing features of the monitored surfaces can be used in place of the targets. Image processing software ‘Sattar’ enables the automatic tracking of the targets or surface points.”

CSIC has carried out extensive trials of the CsattAR system, which Alhaddad has said that it can often be a quicker and more accurate way of examining the health of an asset while spending a fraction of the costs compared to the conventional approach. “Convenience of installation and direct monitoring of critical imposed deformation on an asset is an enhancement of current safety management practises,” he added.

Alhaddad will join other geotechnical monitoring industry leaders in providing insight into new technology and its application on site during GE’s Instrumentation and Monitoring Conference, which is to be held on London on 15-16 March. Go to http://monitoring.geplus.co.uk for more details.

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