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Issue 06/2022

Additive layering systems for cast-concrete walls

(10) US 2022/0088822 Al (22) 17.01.2020(43) 24.03.2022(57) One aspect of the present invention pertains to methods of forming concrete structures. Another aspect of the present invention pertains to...

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Issue 06/2022

Flexible joint connecting device of precast body segment, precast body segment joining-type underwater tunnel construction method using same, and underwater tunnel constructed thereby

(10) US 2022/0098818 Al(22) 28.11.2019(43) 31.03.2022(57) The present disclosure relates to: a flexible joint connecting device used for sequentially coupling precast concrete seg­ments so as to...

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Issue 06/2022 L-MOBILE SOLUTIONS

Forklift management system with GPS optimizes 11,000 m² yard logistics in the concrete industry

The L-mobile forklift management system prevents loading errors and reduces search and loading times at Birkenmeier Stein+Design GmbH.What is currently one of the biggest challenges of outdoor storage...

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Issue 06/2022

Slump Flow 4.0 - Digital quality control

As a result of the imperative need to reduce the environmental impactof concrete production, increasingly complex formulations are used inpractical application with, in some cases, nine to ten...

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Issue 06/2022

Concrete 4.0 – Self-learning digital production techniques for sustainable concrete

The European Union has adopted the Green Deal to make Europe climate-neutral by 2050 and to minimize the use of primary resources. The construction industry is exceedingly resource-intensive and emits...

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Issue 06/2022

Rheological behavior and CO2 footprint of cements binder exhibiting ultra-low clinker content

In order to reduce the CO2 footprint of cement it is necessary to decrease the clinker content significantly, i.e. well below 50 %. To probe into such systems, the use of alternative raw materials...

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Issue 06/2022

Digital concrete construction by means of additive processes – A critical overview

Digital fabrication with concrete (DFC) is a dynamic and rapidly evolving area. The variety of approaches used and of the associated opportunities and challenges is overwhelming. This paper presents a...

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Issue 06/2022

Surfaces of structural precast elements / execution in accordance with FDB product specification sheet  No. 1

Structural precast elements are primarily used in classic industrial and commercial construction. In the form of such elements as roof trusses, beams, horizontal members, transfer beams and columns,...

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Issue 06/2022

Plastic shrinkage and cracking in 3D-printed concrete elements – mechanisms and countermeasures

3D concrete printing has the potential to achieve a breakthrough in the construction industry. However, a number of challenges need to be overcome. An important step for transferring the 3D concrete...

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Issue 06/2022

Sustainable heat recovery from wastewater in practical application

At the 2015 World Climate Conference in Paris, it was agreed to limit global warming to a maximum of 1.5°C and to reduce greenhouse gas emissions accordingly. Utilizing previously unused industrial or...

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