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Main focus of our services

We conduct approval inspections to obtain:

  • General building inspectorate's approvals (abZ)
  • European Technical Assessments (ETA)
  • KOMO certification with product certificate in accordance with CUR 48

We support you throughout all stages of the approval procedure, from the preliminary trials, making an application, creating and implementing the experimental program right through to production of the test report and the expert report on the suitability of the product.

We can also offer you advice on product optimisation issues and other services by agreement, such as initial assessments, regular monitoring in accordance with DAfStb publication 526 for ready-mixed concrete plants or monitoring of the placement of concrete of monitoring classes 2 and 3.

Our methods

  • All technical cement inspections as well as mortar and concrete inspections in accordance with the test schedules of the DIBt and European Assessment Documents (EAD)
  • Concrete performance tests
  • Probabilistic service life calculations
  • Permanent concrete testing laboratory in accordance with DIN 1045-3, Annex B
  • Consultation for the building company and the construction site
  • Provision of equipment for fresh concrete testing in accordance with DIN 1045-3, Annex A
  • Training of the construction site personnel with regard to the performance of testing of fresh concrete properties in accordance with DIN 1045-3, Annex A
  • Inspection of records made by construction site personnel, regular checking of the fresh concrete tests
  • Collection of test specimens on the construction site, performance of hardened concrete tests (in particular compressive strength)
  • Recognised inspection body in accordance with DIN 1045-3, Annex C

Your benefits

  • Performance of a wide range of approval inspections to verify the suitability of cements, concretes and other construction products for specific areas of application
  • Reliable consultation throughout all stages of the approval procedure
  • For more than 140 years the assurance of high-quality concrete construction has been one of the central areas of VDZ expertise

Other services in which we operate

Material testing

We can offer all standard material tests for the assessment of fresh and hardened concrete properties as well as durability. Our high-performance laboratory is fitted with a wide range of technical equipment and is accredited in accordance with DIN EN ISO/IEC 17025. As a result we are able to provide you with a broad spectrum of laboratory services.

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Durability assessment

As reinforced concrete structures generally have a service life of at least 50 years, durability is one of the most important requirements for concrete construction work. The range of services we offer in the field of durability assessment ensures methodically based, reliable checking and optimisation of the resistance of concretes to a variety of environmental impacts.

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Structure management

The durability of reinforced concrete structures can be impaired by environmental influences. We provide support for the diagnosis of existing structures, the assessment of inspection results and possible repair planning.

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Life cycle assessment and sustainability assessment

Certification systems such as DGNB, LEED or BREEAM are increasingly being used to assess the sustainability of new buildings. The sustainability concept commonly employed is based on a three-pillar model, made up of economy, ecology and social aspects. Life cycle assessment of building materials provides important input data for such sustainability assessments. We develop life cycle assessments for cement and cement-bound building materials as a basis for environmental product declarations (EPD).

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Customer-specific services

Our customer-specific services help to optimise your products and open up new areas of application. Our experienced specialists can offer their support if there is a need for your products to satisfy extended verification of suitability or meet special requirements. On the basis of the latest scientific and technical state of the art we will assist you with the planning of development steps and the optimisation of properties and verify the suitability of your construction products (e.g. cements or concretes) for specific areas of application. We will additionally support you throughout the course of the necessary approval procedures and issue product certificates.

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Performance of cement

We can offer you various comprehensive services for the purpose of optimising the performance of cement. In doing so we provide you with full support throughout the entire process. Our interdisciplinary teams of experts have many years of experience gained from customer projects around the world and also further their knowledge by working on practical research projects.

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Laboratory services

Our interdisciplinary team can provide answers to virtually all questions relating to cementitious building materials in line with the latest state-of-the-art. At the same time we can offer our customers a range of services encompassing all important testing activities and consultation work, right through to complex expert reports. Up-to-the-minute research and a professional attitude towards service combine to produce synergies which are reflected by the high quality and practical relevance of our work.

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Person to contact

Do you have questions regarding this service?

Dr Christoph Müller
Concrete technology

+49-211-45 78-351
bte@vdz-online.de

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