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Doka South Africa launches its award-winning, proprietary tech that reduces build time while guaranteeing safety and quality.
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Doka South Africa will launch ‘Concremote’, the company’s in-house award-winning technology that remotely measures the compressive strength and age quality parameters of concrete, providing an alternative to early days laboratory and field cured test specimens.
Accredited by international quality assurance agencies including ASTM, DIN, British Standard and Eurocode, Concremote’s benefits cover quality, safety and economy while helping to reduce the environmental impact made by cement.
As a material, concrete plays an integral role in the global construction process, however accurately assessing the strength and quality of the concrete has previously been calculated using less accurate measurements. By applying the latest technology, Concremote uses the ‘weighted maturity method’, a process that takes into account time, heat of hydration and the characteristic values of cement allowing for the most accurate readings possible.
The data is further enhanced by the fact that Concremote devices are placed inside concrete structure and can be applicable to slabs, walls, columns, rafts, civil structures or in combination with climbing formwork, meaning results are available on a up to the minute basis, directly from the structure itself.
With each project, comes a different concrete mix design, however before calibrating, it is important to establish the target value, which can vary depending on the application, i.e. early striking, post tensioning or climbing operations.
Once established, the calibration process can take place, which involves casting test specimens and subsequently measuring their heat of hydration development. By testing their compressive strength at a certain maturity, the correlation between maturity and compressive strength is established.
After completing the preparation work, and having placed the Concremote device into the concrete, the sensor will regularly measure the heat of hydration development of the fresh concrete and transmit the data to the Concremote data centre. The information is then processed and made accessible through the portal allowing for a clear and accurate way of assessing temperature, compressive strength and maturity in real time. Data can also be monitored in real-time allowing for projects stakeholders to receive push notifications in real-time to their smart phone or tablet device.
From a practical standpoint, Concremote’s benefits extend from contractor to developer. Not only does Concremote ensure a safer construction process through more accurate results, it also speeds up the build time by optimising formwork application. For consultants, Concremote provides both quality assurances by yielding ‘in-place’ results allowing for fact-based decision-making. In terms of the asset owner, Concremote supports a faster delivery meaning their investment is making a return at the earliest opportunity.
According to research conducted by Doka, Concremote can provide a 40% increase in business value by reducing time and cost by 47% and 32% respectively, while increasing quality by 55%.
