On behalf of BIBM, the European Federation of the Precast Concrete Industry, I welcome all of you to the 62nd BetonTage Congress.Just like this long-standing, unique conference, our industry has...
The present program for the 62nd BetonTage impressively shows that the application possibilities for concrete as a construction material are virtually unlimited, especially in industrial...
„Prefabrication – the future of building“ is the trend-setting theme under which the organizers of the BetonTage congress invite to the meanwhile 62nd industry gathering held every year in Neu-Ulm,...
Bruce Lee, known to many only as the Sino-American martial artist and actor in films such as “Fist of Fury”, also concerned himself with philosophical questions which is, in turn, less well known. The...
Changes have taken place in the Management of the Federal Association for Prestressed Precast Floor Slabs (Bundesverband Spannbeton-Fertigdecken - BVSF). The General Meeting of the Federal Association...
In our last BFT newsletter in 2017, we had invited you to participate in our Christmas draw. Prizes included copies of the brand-new Beton Bauteile 2018 yearbook as well as day tickets for the Precast...
The date has been set for the third in-house exhibition staged by Form + Test Seidner & Co. GmbH: it will take place on Tuesday, March 13, 2018. In the modern production buildings on the company’s...
Aircrete Group announced that it has appointed Ralf Beier as the Managing Director of Aircrete Europe, the Group’s operational business entity for AAC systems and technology. This appointment is in...
What once started as a regional wholesaler for construction products in 1991 has now developed to an internationally recognized company providing solutions for forward-looking construction on the...
The two trade shows Intermat and World of Concrete Europe will take place in Paris simultaneously for the second time from April 23 to 28, 2018. The venue will be the Parc des Expositions de Paris...
The use of non-metallic reinforcements consisting of carbon or glass fiber allows manufacturing thin, slender concrete components, which are durable simultaneously. Since carbon and glass fibers do...
Scheidel-Chemie located in Hirschaid has developed a new surface protection in cooperation with Wismar University of Applied Sciences, hence, combining classical hydrophobization with permanent...
“Klostermann are the best,” was the recent spontaneous reaction of an English production manager who had the opportunity of inspecting the production facilities in Coesfeld in the Munsterland region...
Chemical engineer Fulvio Canonico has been managing Wilhelm Dyckerhoff Institute for Building Materials Technology since early in 2017. The WDI is responsible for the entire research and development...
The James Simon Gallery, the sixth building on the Museum Island in Berlin, connects the remaining museums with each other. The precaster Dressler Bau delivered the precast architectural concrete...
“Engineering is the art of modelling materials we do not wholly understand, into shapes we cannot precisely analyse so as to withstand forces we cannot properly assess, in such a way that the public...
The continuous further development of the machine fleet and the use of modern technology are essential for the success of any manufacturing company. The precast concrete industry isn’t any exception...
Bétons Feidt located in Luxembourg manufactures and supplies concrete elements and state-of-the-art architectural components for residential, industrial, and office buildings, and in this field the...
Valcke Prefab Beton NV in Vlamertinge in Belgium produces large amounts of washed out wall panels every day. During this process, large amounts of wash water mixed with cement and particles are...
The award of Expo 2020 to Dubai has boosted construction activities in the entire Emirate. The estimated overall value of project activities for developing the Expo site amounts to around USD 4...
Building Information Modeling has arrived in the construction industry – but there is a lack of professionals. For this reason, BIM training providers are experiencing a boom. Which criteria and...
The topic of sustainability is gaining increasing significance in all areas of life. This fact has prompted the concrete industry in recent years to further develop the standards for sustainable...
With MC-FastKick, MC Bau-chemie has developed a new product family of hardening accelerators upgraded with the very latest MC polymer technology. They provide concrete with very good processing and...
Over 50 years of experience of Hawiflex in concrete mixers ensure decisive advantages in service life compared to other PU systems. The Hawiflex special formulation meets the high requirements of the...
In cooperation with manufacturers of precast concrete elements, Spelsberg, the specialist in enclosures, has developed a new system which significantly facilitates electrical installation when it...
The European concrete standard EN 206 is not harmonized and only comprises key points with the character of recommendations with respect to durability of concrete. Therefore, the member states apply...
Most of the building projects using textile and/or carbon reinforced concrete, which have already been realized, are based on approvals on case-by-case basis. Apart from the approvals on case-by-case...
An insufficient fire resistance of the composite material has so far inhibited a broad application of carbon-reinforced concrete. The reinforcement elements available at present are composite...
The BMBF joint research project on R concrete was presented with its objectives, contents, and the first results on the 61st BetonTage congress. On the occasion of the 62nd BetonTage congress 2018,...
Carbonation is the physical and chemical reaction between CO2 and hardened cement paste in the presence of pore water, and in this process carbon from the atmosphere is sequestered. The authors of an...
For several generations now, Portland cements have constituted the basis for the concrete model of success, a building material which, like no other, characterizes our environment and of which...
In addition to the new provisions amending the construction contracts law, the legislator has also created, in the interests of consumer protection, new provisions on a stricter vendor’s and...
Concrete blocks are no longer just square, practical, and gray – we encounter them in a wide range of shapes, colors, and structures. In concrete plants they are fully automatically manufactured,...
The freeze-thaw resistance of concrete paving blocks must be verified by the slab test (DIN EN 1338). Sometimes clients in Germany demand the CDF method (DIN CEN/TS 12390-9). Independent of the test...
An innocuous-sounding title for a very serious, often annoying, and not seldom also expensive issue: the opinion of many an expert. Of course, not every expert, getting in contact with our industry,...
Compliance with the limits set by the EU for nitrogen oxides is still posing a challenge for cities and municipalities. Contrary to measures such as driving bans, which have a negative impact on...
As a state-examined engineer for building construction and civil engineering, I have been employed as site manager since February 2007 by the engineering consulting firm TS- Ingenieurgesellschaft, on...
In Germany, around 50 % of all communal traffic areas are paved with concrete blocks or slabs. These pavements are also of great significance in the private sphere, in garden design and landscaping...
Standardization orders (also referred to as “mandates”) that the European Commission issues to the European Committee for Standardization (CEN) contain a basic framework and are complemented by...
Increasingly demanding energy efficiency specifications for new buildings or extensive refurbishment projects require not only appropriate building services and installations that consume the least...
In 2001, the city of Mannheim commissioned Fischer Architekten GmbH to develop a concept for a new type of business park. In the interests of sustainable urban development, the requirements of...
Generally speaking, the use of precast elements in bridge construction is a tried-and-tested method, which, in Germany, is usually restricted to combining structural precast elements with cast-in-situ...
The amount of energy generated from renewable sources is fluctuating and thus uncontrollable, which is why it must be stored in the building to ensure effective utilization. At the core of such...
Road and pedestrian bridges are commonly built as cast-in-situ, prestressed reinforced concrete structures, but this method is both expensive and time-consuming. The installed reinforcing and...
In 2016, Berlin Central Station was connected to the tramline. The location is characterized by distinctive solitary buildings arranged heterogeneously side by side, various hotel and office buildings...
In respect of their material characteristics, lightweight concretes with bulk densities smaller than 2,000 kg/m3 can be subdivided into the structurally dense and porous categories. Production of...
The soundproofing of combined heat and power units in block-type thermal power plants is becoming increasingly important. Soundproofed steel sheet containers or concrete sound hoods are used for...
One of the main objectives in revising DIN 1053-1 was a more differentiated description of the compressive strength of masonry as a function of the different types of blocks used in order to be able...
According to the standards currently in effect, it is not possible to determine the structural capacity of non-reinforced infilling masonry walls made of lightweight concrete masonry taking into...
The idea of expanding the range of lightweight concretes to include lower bulk densities in order to offer interesting thermal solutions has already been successfully implemented in practice by...
Infra-lightweight concrete is of such lightweight and thus thermal insulating, so that this concrete enables the construction of architectural concrete buildings which meet today’s structural physical...
The cement industry generates about 6% of global CO2 emissions that are primarily caused by the production of Portland cement clinker. A reduction in the clinker content of cement and concrete and its...
On a worldwide scale, ultra-high-performance concrete (UHPC) has been the single most important development of the past few decades in the field of concrete technology and application. This type of...
The use of thermally activated (calcined) clays as supplementary cementitious materials (SCMs) in cement represents a promising optimization step for ordinary Portland cement in terms of environmental...
In the past decades, corrosion-induced damage has repeatedly led to severe component failure in prestressed concrete structures. This is typically caused by inadequate design or poor workmanship,...
The design and construction part of the DAfStb Guideline on UHPC replicates the structure of EN 1992-1-1. The verification methods are based on the design principles for reinforced and prestressed...
High-performance materials need to be used to an increasing extent if the construction industry intends to truly respond to global issues such as resource conservation, sustainability, primary energy...
An element wall should give a monolithic impression when in use. There is to be a firm bond between the shells and the filling concrete. The bond achieved has an influence mainly on: the load-bearing...
As a result of the rapid population growth, the related increase in urbanization and therefore an ever more clearly evident shortage of land, the construction of tunnels in concrete design will...
Ultra-high-performance fiber-reinforced concrete (UHPFRC) is a cementitious high-performance material which, through an optimized grain structure and added steel fibers, achieves a compressive...
Partial area loading with biaxial or triaxial load propagation occurs, for example, at bearings, anchors, precast element joints and various contact surfaces of concrete structures. The high contact...
The “Guideline on the Certification of Conformity of Welded Lattice Girders as Rigid Reinforcement” (official German title of the December 2017 draft: Richtlinie für die Übereinstimmungsbestätigung...
The objectives of the architect were to establish, first, a reference between the outer appearance of the plant building and the products – spectacles – to be manufactured inside upon completion, as...
Originally inaugurated as a Catholic monastery church in 1240, the ‘Paulinerkirche’ was later transferred into the ownership of Leipzig University in the course of secularization. Since then, it had...
Every concrete specialist, architect, and builder assesses the visual appearance of architectural concrete surfaces in a different way – despite the fact that codes of practice and classifications...
On February 16, 2017, the Bundestag (German Federal Parliament) passed the “Gesetz zur Verbesserung der Rechtssicherheit bei Anfechtungen nach der Insolvenzordnung und nach dem Anfechtungsgesetz” (Act...
Man as the weak point and the vulnerability of SMEs At IT trade fairs, high-priced systems are advertised as the ultimate barrier against all kinds of known and unknown dangers from the internet. But...
Digitization is the big challenge to the economy in the 21st century – not just for technology groups but for every company; for every company uses digital technology. Recognizing this is the first...
Supply associations are important for the concrete and prefabricated concrete industry, whenever companies participate in a bidding or realize projects with a considerable volume. From 2015 the German...
The relevant subcommittee of the German Committee for Structural Concrete has drafted an update on the Guideline on Waterproof Concrete Basements [2] fourteen years after publication of its original,...
In the past, concrete constructions impermeable to water were primarily designed with restricted crack width, with the objective of enabling self-healing of the designed separating cracks. However,...
Any floor slab whose shortening is obstructed by stiffening components, such as building cores or walls, will be subject to strain caused, for instance, by shrinkage. In this scenario, reinforced...
A comprehensive computation and design tool for rectangular cross-sections made from steel-fiber-reinforced concrete and concrete reinforced with both steel rebar and fibers was developed using...
The punching shear design provisions for footings and ground slabs were revised with the introduction of Eurocode 2 in Germany. In contrast to previous German codes, the location of the control...
Compression members such as columns or walls are not only subjected to normal forces but also to bending moments resulting from rotations of adjacent structural components. If these rotations occur...
Issues (“Hefte”) 220 and 240 published by the German Committee for Structural Concrete (DAfStb) have been widely used in engineering practice ever since their first editions appeared. These guidelines...
Implementation of Design Principles a) and c) of the new WP Guideline on Water-Impermeable Concrete Structures [1] calls for rethinking the structural design involved, extending from pure dimensioning...
In Germany, waste incineration plants yearly produce around 6 million tons of slag and grate ash. In the past, carefully monitored incineration ashes with constant product properties were often...
With the aid of building integrated photovoltaics, building envelops have a major share in the transition of buildings from an energy consumer to an energy generator. An interdisciplinary cooperation...
In recent years, so-called textile concretes have been used as façade elements. Stitched textile fabrics – for the most part manufactured from alkali-resistant glass fibers, carbon fibers, or amid...
The development of digital concrete printing processes for manufacture of structural concrete components directly at the construction site or in the precast plant is a critical step on the way to...
The “WooCon” research project – financed by the Swiss National Science Foundation as part of the National Research Program 66 “Resource Wood” and by the University of Applied Sciences and Arts of...
Regarding engineering aspects, the use of fibre reinforced concretes in precast construction offers enormous potential because it saves time-consuming and wage-intensive reinforcement works. The...
Attempts have long been made to replace conventional steel reinforcement with suitable alternative materials. In this context, cost-effectiveness has been given special priority. At Augsburg...
Machine beds and frames are primarily manufactured from welded steel components, gray cast iron, or natural hard stone. Since the 1980s, epoxy-resin-bound polymer concrete and mineral casting...
I. Obligation of inspection and notification of defects on receipt of deliveries of pipes and manholesPurchasers have the right and the obligation to inspect goods purchased and to notify of defects...
Dealing with and maintaining the infrastructure in a sustainable manner eventually is an intergenerational task, which the public sector only inadequately fulfils owing to several reasons – as...
The revised edition of Worksheet DWA-A 139 includes the supplementary notes and further explanations on DIN EN 1610 “Construction and testing of drains and sewers” (Einbau und Prüfung von...
In transport infrastructure and road construction, the ZTV E-StB 09 (Zusätzliche Technische Vertragsbedingungen und Richtlinien für Erdarbeiten im Straßenbau; Supplementary Technical Conditions of...
Maintenance of sewer systems comprising large cross-sections (“large diameters”) is particularly challenging for the operator owing to the high potential of hazard in case of structural failure and...
For many years now, the public has been focusing on the condition of traffic infrastructure as well as the condition of sewer systems. In this regard, the preservation of value and substance of the...
The judgment that the European Court of Justice (ECJ) issued against Germany on 16 October 2014 will change German construction legislation. To implement the ECJ judgment, the Building Codes of the...
Worksheet A 127 is currently under revision, analogously to the already completed DWA-A 161. The aim of this paper is to discuss briefly the most significant changes in DWA-A 127-1, which correspond...
In 2016, the EN 12566-1, -3, -4, -6 and -7 standards for small wastewater treatment systems were published at the national level after having been aligned with the Construction Products Regulation....
In October 2014, the European Court of Justice (ECJ) found “that the Federal Republic of Germany violated the obligations arising from Directive 89/106/EEC” because it created additional requirements...
Progressive soil sealing combined with an increasing occurrence of heavy rainfall events represents an enormous challenge for urban drainage. In addition, a significant proportion of the pollution of...
The sustainable management of resources is rapidly gaining in importance on both a national and European level. There are continuously increasing requirements on the information to be provided to...
Water reuse in countries with drought and water shortage is necessary in order to provide sufficient water quantity for public, agricultural or private use. In addition to the use of rainwater, the...
Since the spring of 2013, manufacturers of small concrete wastewater treatment plants from all parts of Germany have joined forces to form a joint working group aiming to offer a platform for lobby...
While the highly industrialized countries, and especially Germany, spend sleepless nights because nanoparticles and pharmaceutical residues are detectable in treated wastewater, other places in the...
Changing underlying conditionsIn the past few years, the underlying conditions for design and construction have changed fundamentally. Nowadays, the principles of lean management are increasingly...
The information and communication technology has been developing at a rapid pace over the last decades, leading to the penetration of digitalization into nearly all aspects of our living and working...
The Darmstadt Precast Days will take place on four days – and for the eleventh time in succession – on 8 and 9 and on 15 and 16 March 2018. Recognized experts will offer sound, practice-oriented...
At the last general meeting in September 2017, Prof. Rolf Breitenbücher was elected Chairman of the German Committee for Reinforced Concrete. He takes over from Prof. Jürgen Schnell, who had held the...
At the annual event held on 23 October 2017 in Regenstauf near Regensburg, Germany, the Berufsförderungswerk für die Beton- und Fertigteilhersteller e. V. (BBF; Association for the Advancement of...
On 15 and 16 November 2017, the German Betonverband Straße, Landschaft, Garten e. V. (SLG; Association of Concrete Producers for Roads, Landscaping and Gardens) celebrated its 20th anniversary, full...
(11) EP 3 255 213A1(22) 08.06.2016(43) 13.12.2017 Bulletin 2017/5057) Method of design and manufacturing concrete structures subjected to relevant cyclic loads along their service lives, as wind...
(10) DE 20 2016 103 642 U1 (22) 07.07.2016(45) 16.11.2017(57) Schalungskonstruktion mit einem durch eine Stahlspundwand (10) begrenzten Schalungshohlraum (14), dadurch gekennzeichnet, dass an der...
(11) EP 3 258 028 A1(22) 14.06.2017(43) 20.12.2017 Patentblatt 2017/51(57) Eine als Schubelement ausgebildete Vorrichtung zum Bewehren einer Betondecke, insbesondere gegen Durchstanzen im Bereich...
(11) EP 3 249 138 A1(22) 15.01.2016(43) 29.11.2017 Bulletin 2017/48(57) The concrete tower comprises: a shaft (1) and a foundation (2). The shaft (1) is formed by two distinct segments: - an upper...
(11) EP 3 258 029 A2(22) 19.06.2017(43) 20.12.2017 Patentblatt 2017/51(57) Die Erfindung betrifft ein textiles Betonbewehrungsgitter-element, eine Vorrichtung zur Herstellung eines derartigen...
(11) 2549847 A(22) 24.03.2017(43) 01.11.2017(57) A concrete slab system includes a bed 20 of a first concrete having a top 22 surface and edge 20E surfaces. The bed’s top surface 22 has shrinkage...
(10) DE 10 2016 211 176 A1 (22) 22.06.2016(43) 28.12.2017(57) Bei dem erfindungsgemäßen Verfahren zur Herstellung von Betonbauteilen werden in eine Betonmatrix mittels Zugspannung vorgespannte...
(10) DE 10 2015 105 067 B4 (22) 01.04.2015(43) 06.10.2016 (45) 28.12.2017(57) Stallboden eines Viehstalls, aufweisend eine Mehrzahl von Liegeflächenplatten (30, 30’), wobei der Stallboden optional...
(10) DE 20 2017 005 001 U1 (22) 27.09.2017(45) 23.11.2017(57) Betonpflasterstein als Quaderstein mit gleich geformten, unterhalb der Steinhöhe endenden senkrechten Zähnen an den Seitenflächen, die...
(10) DE 10 2016 211 636 A1(22) 28.06.2016(43) 28.12.2017(57) Eine Gebäudedecke bzw. ein Deckenelement hierfür umfasst – horizontale, auf ein Wandauflager des Gebäudes aufsetzbare Tragsparren (3) aus...
(10) DE 20 2016 008 413 U1 (22) 09.06.2016(45) 21.12.2017(57) Platte (1) aufweisend eine zementgebundene, faserverstärkte Tragschicht (2), dadurch gekennzeichnet, dass sie einseitig mit einer...
(11) EP 3 258 027 A2(22) 14.06.2017(43) 20.12.2017 Patentblatt 2017/51(57) Die Erfindung betrifft ein flächiges Betonfertigteil (4) zum Bau von Parkhäusern aufweisend wenigstens eine netzartige,...
