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Issue 02/2020 Material development

Duct covers made from carbon-reinforced concrete

Carbon-reinforced concrete is suitable for a number of applications, including façades, walls, columns, beams, floor slabs, and modular buildings, as well as for repairing and upgrading existing...

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Issue 02/2020 Construction site 4.0 (3D@SITE)

3D printing of large elements on the construction site

Putzmeister Engineering GmbH, Ed. Züblin AG and HeidelbergCement AG have formed the cross-sector 3D@Site consortium, joining forces to make 3D printing suitable for use on the construction site. For...

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Issue 02/2020 Industry 4.0: Online configuration and ordering of precast products

Monolithic manholes made from acid-resistant, self-compacting high-performance concrete

The digital transformation brings about a wide range of challenges and raises questions we would never have asked in the first place. For instance, even nowadays, employees in various departments of...

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Issue 02/2020 Requirements on recycling

Using recycled materials in the concrete products industry in line with applicable standards

Approvals for the new development of raw materials operations are rarely, if at all, obtained, and difficult and lengthy approval procedures have to be allowed for the extension of existing...

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Issue 02/2020 Monolithic lightweight concrete construction with LAC+

Thermally insulating ultra-lightweight building shells with integrated lightweight-steel structural framework

Within the scope of the project “Lightweight concrete construction with LAC+,” a new construction method of modular combinable wall and floor elements with a high degree of prefabrication is being...

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Issue 02/2020 Concrete technology

Measures to reduce CO2 emissions

More than 6 % of the worldwide carbon dioxide (CO2) emissions caused by humans are associated with the production of cement and concrete. It is a known fact that a purposeful substitution of the burnt...

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Issue 02/2020 Highly stressed carbon-fiber reinforced concrete members

Research on long-term behavior

A major part of the damages occurring at steel-reinforced concrete structures is caused by the corrosion of the steel reinforcement. Cost-intensive and time-consuming repair works or new replacement...

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Issue 02/2020 Carbon concrete bridges

Dimensioning and realization

Bridge construction is a reasonable field of application for carbon-reinforced concrete. The corrosion-resistant reinforcement requires a small concrete cover. Moreover, a protective layer can be...

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Issue 02/2020 Robustness of reinforced concrete columns

Enhanced design rules on compression members using high-strength and ultra-high performance concretes

The robust design of supporting structures is the basis for every structural design. Damages caused by unplanned loads must be limited to a reasonable extent in order to prevent abrupt failure or...

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Issue 02/2020 Lightweight aggregate concrete with open structure

Structural capacity of self-supporting wall panels made of LAC

Lightweight concrete with open structure and lightweight aggregate is increasingly used for the construction of façades due to its excellent thermal insulation properties. Pumice, which occurs...

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