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Issue 02/2021

Balanced-lift method for prestressed concrete bridges – 25 % lower cost compared to steel-concrete composite bridges

The first-time application of the balanced-lift method for the bridgesover the Lahnbach and Lafnitz rivers in Austria proved that these prestressed concrete bridges with 2.0 m high bridge girders...

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Issue 02/2021

Concrete as a climate killer? – Current findings in research and development tell a different story

The Association of Concrete Pipes and Reinforced Concrete Pipes (Fachvereinigung Betonrohre und Stahlbetonrohre e.V.; FBS) represents a total of 19 manufacturers of concrete duct systems in Germany....

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Issue 02/2021

Acid-resistant, SCC for concrete components in underground construction

We know that concrete has many  strengths. We do also know that concrete  has a weakness. Its resistance to aggressive media, in particular, biogenic sulfuric acid is just this weakness that is...

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Issue 02/2021

Spherical jacking pipes – articulated pipe connections with optimal transmission of forces

Construction of underground pipelines increasingly takes place by trenchless construction, using, among other methods, hydraulic pipe jacking as well as microtunneling. The pipe-jacking machines can...

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Issue 02/2021

Modular house made of trapezoidal reinforced concrete slabs

(10) WO 2020/222313 A2(22) 24.04.2020; (43) 05.11.2020(57) The invention relates to the field of building and can be used in low-rise construction for erecting residential houses and public buildings...

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Issue 02/2021

Concrete building block

(10) US D902,444 S(22) 24.01.2019(45) 17.11.2020(57) The ornamental design for a concrete building block, as shown and described.DESCRIPTION1. Concrete building blockFIG. 1.1 is a perspective view of...

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Issue 02/2021

Smart porous concrete slab

(10) US 2020/0363392 Al (22) 06.02.2019(43) 19.11.2020(57) The present invention is directed to a smart porous concrete slab that utilizes sensors and electronic components to monitor the condition of...

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Issue 02/2021

Mold, in particular concrete mold

(10) US 2020/0361118 Al (22) 13.07.2020(43) 19.11.2020(57) A concrete mold including a mold frame with a frame body and at least two rows of teeth formed on the frame body lying opposite one another...

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Issue 02/2021

Device for pressing a non-hardened concrete composition and method for...

(10) US 2020/0361117 Al (22) 22.11.2018(43) 19.11.2020(57) Device (1) for pressing a non-hardened concrete composi­tion (12) into a desired form, whereby the device comprises an upper plate (4) with...

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Issue 02/2021

Systems and methods for supporting a concrete slab

(10) US 2020/0354918 Al (22) 08.05.2020(43) 12.11.2020(57) Disclosed systems and methods may com­prise an array of coupled hollow boxes to support a concrete slab monolithically poured on the array....

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