With the high-tech strategy, the German Federal Government pursues the goal of interlinking the industrial production by means of modern information and communication technology. The technical basis...
The construction sector, and the manufacturers of concrete and precast concrete elements in particular, are challenged in special ways by the requirements imposed by climate change. In this context in...
On behalf of BIBM, the Federation of the European Precast Concrete Industry, I welcome all of you to the 64. BetonTage congress.One thing is clear: Europe decided to take the lead in the fight against...
Thank you very much for giving me the opportunity to participate in the opening of the 2020 BetonTage congress. From my point of view, this event is well-known and internationally respected for its...
The world of building is becoming ever more complex, with many different contact partners for different areas of application. Pohlcon from Berlin enables simpler and more efficient planning. The new...
The company Philipp has recently expanded its Power Series of approved products for connecting precast reinforced-concrete elements with flexible rope loops by introducing two connection rails at the...
With the construction of the new branch building in Oberriet located in Eastern Switzerland, Raiffeisenbank Oberes Rheintal has shown courage in innovative architecture. The building designed by the...
The Austrian company Systembau Eder GmbH & Co. KG invested 12 million euros in its Kallham, Austria, location and, in doing so, erected one of the most modern production plants for precast elements in...
Shortage of skilled labor and deadline pressure lead to a permanently growing demand for making construction faster and increasing the productivity, respectively. Even minor adjustments to the...
Increasingly complex markets call for partners that are able to respond appropriately to new requirement profiles. In the construction sector, there is a growing trend for manufacture of precast...
From the 15th to the 19th October, the seventh edition of the Technical Mission in Italy took place, an international event organized by CSG Engineering and open to all precast professionals and...
The 26th International IFF Conference Concrete Diversity once again, in 2019, attracted more than 200 industry representatives to Weimar, Germany. The audiences listened to practice-relevant lectures...
26th and 27th of November 2019 in the CongressHaus Salzburg. More than 500 precast concrete experts from 22 countries had the chance to inform themselves about the latest trends in the industry. The...
The company Schöck Bauteile GmbH has released a new design software: Schöck Isolink for concrete façades. The program is now available for download at no charge. The new software has been extended by...
Nowadays, concrete mix design and production almost exclusively rely on deterministic approaches. This means that the mix design process fails to take account of fluctuations in the properties of raw...
Fibre-reinforced polymers (FRPs) consist of numerous fine fibres which are unidirectionally embedded in a polymer matrix (e.g. epoxy resin). Currently glass or carbon fibres are mainly used for the...
In January 2020, the Priority Program 2187, funded by the German Research Foundation (DFG), started. It brings together around 50 researchers from the fields of structural engineering, production...
In the next version of DIN EN 197-1, additional standardized clinker-efficient cements will be added with CEM II/C-M and CEM VI. CEM II/C-M cements contain at least 50 M.-% clinker and CEM VI cements,...
The processing of cement-based building materials is at the technological core in the construction and maintenance of structures. Although formability in the fresh state offers almost unlimited...
Residual quantities of fresh concrete are constantly accumulating in ready-mixed concrete and precast concrete plants; these residuals are often treated in fresh concrete recycling systems. These only...
The Tabsolar concept intends to close a gap in terms of generating renewable energy using the building envelope. This design comprises slender, flow-through UHPC panels that are highly...
Calcined clays offer the opportunity to fulfil environmental requirements, to counteract the shortage of resources and to provide the market with high-performance binders, in synergy with other...
As part of two BMWI joint research projects [1,2], in conjunction with RWTH Aachen University and the partner companies, Autarq and noventec, it was possible to develop a hybrid concrete roof tile...
The abandonment of fossil fuels for energy generation results in serious changes in the secondary raw materials economy. In concrete production, this applies most of all to coal flyash, which is used...
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...
In the course of ongoing digitalization in the precast construction industry, three-dimensional building models have almost become standard in structural design in the meantime. These models not only...
BuildingIn 2018/19, a new office building was constructed at the original headquarters of the Kühne + Nagel logistics group in Bremen. Its predecessor completed in the 1960s was demolished because it...
In Germany, modular bridge construction methods have so far been applied only to a limited extent compared to other European countries or North America. However, public road authorities are...
Construction and demolition waste, at 89 million tons, is the dominant type of waste in Germany in terms of quantity. These wastes are mainly recycled in earthworks and road construction. A major part...
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...
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...
Walls are intrinsic parts of building structures. For buildings in regions threatened by earthquakes, installation of shear walls is mandatory – in Germany, even a legal requirement. However, under...
The product range of lightweight-concrete and concrete block masonry includes both heavy, high-strength blocks for interior walls, party walls, and double-skinned, additionally insulated (ETICS)...
The Institute for Building Materials in Construction Engineering (IWB) at Stuttgart University studies concretes made of lightweight inorganic as well as organic aggregates. Its research has the...
Concrete mixes include a wide range of different natural raw materials. The local conditions prevailing for natural raw material resources make any input material, and thus mix design and, in some...
Improving the energy efficiency of buildings is of central importance in view of rising energy prices, increasingly scarce fossil energy reserves and the continually advancing greenhouse effect....
Adding steel to the concrete matrix is a long-established method that is at the same time necessary because concrete exhibits a high level of compressive strength but only limited tensile strength,...
In previous research work conducted at the Institute of Construction Materials (Institut für Werkstoffe im Bauwesen; IWB) [1,2], a combined two-stage mixing concept was researched and developed...
The construction methods of staircases for outdoor applications fundamentally differ from those for indoor applications. In contrast to stairs in buildings which have to be designed and dimensioned in...
In Germany, well over half of urban traffic surfaces in both the municipal and private sectors are surfaced by means of concrete block and slab pavements. There are repeated incidents of damage...
We repeatedly see vertical and horizontal shearing in particular on more heavily frequented and more heavily loaded block pavements, which frequently results in damage to the paving blocks and impairs...
In recent years, the use of concrete as architectural element, in addition to application in the sector of structural-engineering-related construction, is experiencing a true renaissance. The reasons...
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...
The eight-story building housing the chancery of the German Embassy in Paris on Avenue Franklin D. Roosevelt was built from 1960 to 1963 as a reinforced-concrete frame structure. It was completely...
Pavements in outdoor installations are subject to requirements that follow from the specific characteristics of each installation location and from the actual foreseeable loading both during...
In the absence of daylight, subway stations quickly become dark and spooky places. The planners of the new Karlsruhe Metro, the Munich office of Allmann Sattler Wappner Architects, wanted to counter...
Over a period of four years (2015 to 2019), one of the two production lines was replaced in several construction sections of different sizes. Particular attention was paid to the fact that the best...
BackgroundThe notion of “modern” or contemporary concretes is used as a reference to concretes with relevant PCE-based plasticizer ratios. Nowadays, such types of concrete are used not only for...
In the context of mitigating climate change, one of the key demands is to reduce the CO2 emissions generated in the production of cement and the concrete containing it. However, since the process of...
Infra-lightweight concrete (ILC) originally represented an evolutionary stage of structural lightweight concrete (LC) in accordance with DIN EN 206 and DIN EN 1992. This new type of concrete had a...
The DAfStb Guideline on “Ultra-High-Performance Concrete” will significantly expand the range of structural concretes compared to DIN EN 206. Compressive strength and axial post-cracking tensile...
In the production of precast elements, special focus is given to optimizing early strengths. High early strengths are a prerequisite for two-shift or three-shift operation with the corresponding...
At times, concrete has been regarded as being cold and not very creative. But now this construction material is no longer used only for building massive structures, but is often employed by architects...
Additive manufacture (AM) and/or 3D printing with concrete represents a highly innovative and future-oriented production technology for the construction industry. For one, linkage with modern...
Additive production, sometimes simply called 3D printing, is often referred to as the third industrial revolution, as it offers the potential to fundamentally change traditional production methods....
Mineral-impregnated carbon-fiber composites (MCFs) constitute a new type of reinforcement for construction. While inheriting the advantages of existing carbon-fiber reinforcements, which are composite...
Additive Manufacturing (3D printing) has the potential of becoming an automated production technology tailored to the individual requirements of the construction industry. The basic principle of...
Model-based 3D structural software (BIM software) has been available to builders, planners, building contractors and the trades for some years now. BIM (Building Information Modeling) is a digital,...
In real-life application, problems repeatedly arise during the execution of concrete structures due to an excessively high or non-uniform water content in the fresh concrete mix. For quality assurance...
Concrete is a multipurpose construction material which can be tailored to have numerous different properties. In most cases, it is optimized with respect to the hardened concrete properties, that is,...
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...
In the summer of 2008, we (B. Hullak and J. Rannow) decided to turn two small architectural offices into one larger firm. Meanwhile, after numerous loops, tests, successes and failures, and as a...
Most of the production processes required for building the unique shell roof in the Stuttgart 21 project were developed from scratch, thus extending building feasibility limits for extremely complex...
The acoustic properties of wooden-beam and concrete ceilings differ systematically. More specifically, the sound reduction factor of a (cementitious) floating screed on a wooden ceiling is...
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...
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...
In recent decades, around 215,000 km of public sewer and drinking water networks have been laid in the underground of Bavaria’s towns, cities and municipalities. The public pipeline network generally...
Current climate change scenarios assume not only a temperature increase but also a growing number of torrential rain events. Automatic flood protection systems installed at the entrances and...
Building Information Modeling (BIM) digitally generates and stores relevant data pertaining to a building or structure directly in the design and construction phases. In addition, it creates a virtual...
In Germany, global warming is likely to result in increasingly extreme weather events, more frequent and heavier precipitation, and extended heat and drought periods, combined with a generally higher...
The German road infrastructure comprises about 13,000 km of federal motorways and 39,000 km of main roads. In future, the mobility of goods and people will be a cornerstone for ensuring the continued...
Multi-layer reinforced-concrete wall panels comprise a supporting and facing shell made of reinforced concrete as well as an interior insulating layer. The facing shell, which forms the façade, has a...
A verification against fatigue must be provided for reinforced concrete floors under frequently recurring stress, e.g., due to forklift truck traffic. This also applies to structural components...
Work on the DafStb Code of Practice on precast hollow-core slabs [1] began in November of 2017. The Code of Practice is planned to consist of two parts:Part 1: Reinforced-concrete hollow-core slabs...
The “steel fiber-reinforced concrete” composite material finds more and more fields of application and is increasingly used for the production of precast concrete elements. For this reason, the...
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...
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...
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...
The April 2005 version of DIN 4149 continues to be the officially applicable German standard for load assumptions and the design and execution of buildings for earthquake resistance. Although the...
Over the years, the development of reinforced-concrete floors for multi-story building construction has given rise to a large number of different designs. When reinforced-concrete construction was...
This presentation addresses ordinary interested people who are looking for a simple, comprehensible and successful introduction into the fascinating topic of psycho-physiognomy (PP). Physiognomy...
In the past ten years, no stone was left standing in German vacation law; this was ensured collaboratively by CJEU and BAG (the German Federal Labor Court). Certainties, having been true for decades,...
Stable markets? Something like this does not exist.What we can learn from the case of Readymix. Do you still remember the Readymix brand name? One of the really big brands in the field of ready-mixed...
Why do prefabricated small sewage treatment plants designed for a tertiary treatment step (EN 12566-7) require special attention in practice?Plant modules used for the third treatment stage are...
Whilst the European Union has been promoting the reuse of treated wastewater in the Urban Waste Water Treatment Directive since as early as 1991, some maps show even today that the number of regions...
Retrofit kits for sewage treatment technology are key components of the industry and are preferably installed in suitable concrete tanks. As a product, they are therefore subject to various...
Approximately 10 % of the population in Germany is not connected to a communal sewer system and/or to a central sewage treatment plant. They must therefore implement decentral sewage treatment...
The release of the Australian Standard AS 1546.3:2017 “On-site domestic wastewater treatment units – Part 3: Secondary treatment systems” superseded the version AS 1546.3:2008. The current standard AS...
Strengthening structural concrete members by augmenting cross-sections or gluing supplementary reinforcement onto surfaces or into slots yields benefits resisting service loads. Since members are...
Constraint forces occurring in reinforced-concrete members are often difficult to determine. This particularly applies to reinforced-concrete floor slabs in multi-story building construction, which...
Existing structural frameworks need to be recalculated in accordance with currently applicable standards owing to building conversion and subsequent changes in load levels. Concrete compressive...
The main function of concrete curing is to minimize premature evaporation of water across the concrete surface. Concrete can achieve the desired strength and durability characteristics only if a...
The judgment issued by the European Court of Justice on 16 October2014 in Case C-100/13 means that, since November 2016, the DIBt has no longer been in a position to grant national technical approvals...
A significant amount of the used concrete volume is applied to slab structures where shear design is often determinative of the dimensioning. Since applying shear reinforcement to slabs is elaborate,...
In the course of the expansion of Qatar’s capital Doha to a global center, to a global center for finance, culture, and tourism, the new National Museum of Qatar was built according to a design by...
Diminishing raw materials, dense traffic and complex logistics are much-discussed topics. These issues are accompanied by the goals of minimizing negative environmental effects, closing materials...
(10) WO 2019/234488 A2(22) 29.05.2019(43) 12.12.2019(57) The invention relates to a casting mold (100) for producing an annular concrete module (10), comprising a matrix (110, 120) and a core (134),...
(10) DE 10 2016 211 176 B4(22) 22.06.2016(43) 28.12.2017 (45) 24.12.2019(57) Verfahren zur Herstellung von Betonbauteilen, bei denen in eine Betonmatrix mittels Zugspannung vorgespannte...
(10) DE 20 2019 106 248 U1(22) 11.11.2019(45) 02.01.2020(57) Schalungselement (1) zum Erzeugen einer verzahnten Arbeitsfuge zwischen zwei Betonbauteilen, wobei das Schalungselement (1) eine Querstäbe...
(10) WO 2019/231939 Al(22) 29.05.2019)(43) 05.12.2019(57) A single unit precast concrete tub (1) formed out of concrete wherein a plumbing system (10) and electrical system (11) are encased within...
(10) US 2019/0390418 Al (22) 18.06.2019(43) 26.12.2019(57) A joint form is positioned in a damaged expansion joint to allow both sides of the joint to be repaired at the same time. The joint form...
(10) US 2019/0390083 Al (22) 22.01.2018(43) 26.12.2019(57) A coating agent is disclosed, which is suitable for concrete structures. The coating agent comprises: (A) a diorganopolysiloxane capped at...
(10) US 2019/0382970 Al(22) 26.01.2018(43) 19.12.2019(57) Disclosed is a concrete block, preferably made of fiber-reinforced concrete, including a body and anchor intended for lifting the block. The...
(10) US 2019/0382964 Al (22) 17.06.2019(43) 19.12.2019(57) A CRCP repair system is provided. The repair system may comprise a precast pavement panel having one or more openings positioned in the...
(10) US 2019/0368210 Al(22) 06.06.2019(43) 05.12.2019(57) An adjustable brace to support a precast concrete panel in a substantially vertical orientation. The adjustable brace includes a first...
(10) EP3341535 (A1) (22) 12.10.2019(57) The present invention includes spacing elements for concrete reinforcements. The spacing elements provided herein can be easily stacked, thereby reducing...
(10) DE102015103828 (A1) (22) 13.12.2019(57) Es wird eine Vorrichtung (VO) zur Herstellung von Betonformteilen in einer Formmaschine beschrieben, die ein Formoberteil (FB) mit einer...
