OCRE Concrete Technology
Discover our expertise in Concrete Technology
We are passionate about sustainability and concrete technology
Over Tonny Johanna
Tonny is niet alleen een betontechnoloog pur sang, maar ook een bewezen leider in projecten van Porthos, Rijkswaterstaat, Havenbedrijf Rotterdam, gemeenten en aannemers in binnen- en buitenland. Hij schakelt moeiteloos tussen boardroom, bouwkeet en betoncentrale.
“He simply gets things done.”
Our Senior Associate Tonny Johanna belongs to the top of experts in Concrete Technology and is one of the leaders of this business line.

Solutions
Concrete Technology Consultancy & Diagnostics
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Damage analysis (e.g. ASR, carbonation, cracks)
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Forensic & reversal engineering
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Lifespan assessment and durability consultancy
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Repair strategies and material selection advice
Quality Control & Site Supervision
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Technical supervision and construction management (UAV / UAV-GC / RAW)
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On-site monitoring of concrete pouring and curing
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Work plan validation, FAT reviews, reporting & compliance
Concrete Plant Optimization & Certification
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Set-up and certification of concrete plants
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Concrete mix design & testing (including SCC)
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Process analysis and production optimization
Sustainable & Innovative Construction
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Low-CO₂ concrete design and circular materials
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Cathodic protection systems and sensor networks
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Strategic advice for long-term asset management (MJOP)

Ongoing Projects

Porthos CO2 Transport & Storage

“We are excited about the level of knowledge and competence.
– Mark Okkes, Business Owner

Smart For The Environment.
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