Issue 02/2013

The further development of construction material, taking into account environmental policy and economic conditions, has now turned concretes into...

The use of calcined clays as additions in mortars and concretes goes back to antiquity. In the context of current sustainability discussions – as well...

High-performance concrete as a challenge Ultra-high performance concretes (UHPCs) are building materials with an extremely dense matrix whose...

Brief description of the material Highly ductile concretes reinforced with short fibers are cement-bound high-performance materials that exhibit...

Solid concrete structures determine our life Contemporary life just can’t do without concrete buildings and structures. Nothing would be possible...

Initial situation The concept of sustainability refers to the use of a regenerative system in such a way that this system is preserved with respect to...

Rationale High-performance concretes (HPCs) are becoming increasingly attractive in construction practice due to their very dense matrix that results...

In a joint project, IAB Weimar gGmbH, OBB Beton- und Bau GmbH and WBB Straßen- & Tiefbau Marksuhl GmbH developed a multifunctional, retrofittable curb...

Nowadays, paved areas are found on almost every plot of land, ranging from slab pavements with relatively low permeability to “green” pavements that...

Manufacturers of concrete products have been working with photocatalytically active surfaces for a number of years. In collaboration with...

According to information published by the Bundesverband Straße, Landschaft, Garten e.V. (SLG; Federal Association for Road Construction, Landscaping...

Production report by Dreßler Bau GmbH The facade of the 17-story German headquarters of French oil corporation Total is not just an “off-the-shelf”...

The number of European product standards for precast concrete elements has been increased to 40 by now. On one side it demonstrates the high...

Depending on the exposure class, commonly applied concrete codes and standards specify the characteristics for raw materials and limit values for the...

Project description A new high-rise building, the TaunusTurm, is currently being constructed in Frankfurt am Main, situated in a city-center location...

Quantified environmental information about the construction products used is required to assess the environmental sustainability of construction...

Timber-concrete composite floors are often used to meet particularly demanding structural specifications or to provide a high degree of insulation....

Generally accepted, internationally recognized methods (CIF and CDF) exist for testing the freeze/thaw resistance of concrete at high water saturation...

Modern buildings must increasingly ensure that technical installations be accommodated in the available intermediate floor space. Precast prestressed...

In structural engineering ceilings affect both the building technique and the economic construction. Using precast prestressed hollow core slabs meets...

Two-way precast floor slabs require an overlapping joint of the load carrying reinforcement in both directions. As the overlapping reinforcement lies...

For several decades, precast slabs with cast-in-situ infills have been successfully used in building construction and, more recently, in civil...

At RWTHAachen University currently a pavilion is realized with a load-bearing structure consisting of four large-sized concrete shells. As...

Reinforcing steel in coils has been produced since the mid-1980s and is used and processed at bending shops and precast plants. Since then, the steel...

Recycling materials from building construction can currently not be adequately recycled. Reasons for this are their considerable heterogeneity in...

Insulating materials provide heat-insulating and/or soundproofing properties and have a thermal conductivity λ of less than 0.1 W/(m·K). Commercially...

The ongoing development of the construction sector is currently marked by a major trend, which is to establish a strategic approach to sustainability...

Problem statement Industry consumes 40 % of the electric power produced (Fig. 1). Most of the energy supplied to production processes is converted to...

Apart from ceramic and natural stone coverings, concrete cast stone materials are also used again and again by clients and planners when it comes to...

A fair share of visitors to a gardening exhibition expect to get familiar with new materials for outdoor spaces and their fields of use. When looking...

Volkswagen AG presents itself and the brands under the umbrella of the parent company − Volkswagen Group − (Audi, Bentley, Bugatti, Ducati,...

Basics Starting in 2005, the development of concrete strength (Fig. 1) has increasingly been the subject of standardization. This trend began as early...

The publication of Eurocode 2 (EC2) in 2011 and its implementation as technical building regulation 1 July 2012 marked an important step in the...

The regulations familiar until now on the installation of concrete and reinforcement – most recently gone into effect as exclusively valid for Germany...

Buildings are subject to a wide range of constraint forces as a result of their distinct statically indeterminate structure and their complex, mostly...

Summary Based on a research project conducted by Deutsche Forschungsgemeinschaft (DFG - German Research Foundation) that had been concluded already,...

The mere description “concrete floor” in a technical specification is just as meaningless as the designation “fair-faced concrete” for specifying the...

Introduction Pipes for sewer systems consist of various base materials, including vitrified clay, concrete and plastics. This sector is thus also...

In this context, previous and frequent reports have appeared on new approaches for the structural design of pipes subjected to traffic loads. Since...

Specific knowledge and expertise is required for the new construction of drains and sewers, which applies to both clients and construction supervisors...

Apart from the descriptions, the concrete properties have been adapted in EC2 on a Europe-wide basis. Whereas there is a minor change in the mean...

The functions of wastewater systems are handling, collection and treatment of wastewater. For this purpose, their hydraulic dimensions have to be...

Tanks used in small wastewater treatment systems can also be used to effectively store excess amounts of solar-thermal energy to be utilized at a...

The wide variety of topics presented at the fair BAU attracts visitors from all over the world. A characteristic that also applies to the portfolio of...

Who is not familiar with the situation: having to carry thick product catalogs and data sheets to the construction site. In order to avoid such...

The success of the Engineering Days in Vienna and the up-and-coming precast parts market in the Far East gave rise to the organisers, Nemetschek...

Burgher Houses enjoy great popularity, especially in rural communities. They are used as recreational centers and facilities for family events. The...

Masa GmbH headquartered in the German city of Andernach has opened an overseas subsidiary for manufacturing small machinery and providing customer...

Gütegemeinschaft Fertigkeller (GÜF) - German association aiming to guarantee the quality of precast basements - estimates that almost 40% of all areas...

„The Big 5 Show“ took place in Dubai in November as every year. This is the leading trade fair for the building and construction industry of the...

A winery covering a production area of approx. 1,200 m² as well as a manor house with a wine shop was built in the business park of Bretzenheim...

For the past 50 years, Pfeifer has been supplying industrially manufactured lifting anchors to the precast construction industry. Thread systems...

The conceptual plans of an academic center for nanotechnology research at Sabanci University in Tuzla, about 50 km southeast of Istanbul close to the...

Dennert Poraver GmbH celebrates its 30th anniversary in 2013 and presents itself at the beginning of the anniversary year from 19 to 21 March at the...

The Arena licensed group held a meeting in Esslingen (Germany) at the end of 2012. Albrecht Braun of braun-Steine located in Amstetten illustrated the...

Wet-cast slabs upgrade the garden in its visual appearance. They look like natural stone and are individually cast of concrete. They are suitable for...

When it comes to structural repairs of concrete structures subjected to severe stresses (as trafficable ramps), only stable PCC I mortars of stress...

Silence, a sense of well-being and a feeling of security are even of particular importance in nursing facilities and rehabilitation centers. These...

BouwBeurs 2013 Feb. 4 – 9/2013 Utrecht / Netherland //www.bouwbeurs.nl" target="_blank" >www.bouwbeurs.nl:www.bouwbeurs.nl 57. Betontage Feb. 5 – 7/2013...

(10) WO 2012/164108 A1 (22) 31.05.2011 (43) 06.12.2012 (71) CONSTRUCCIONES TECNICAS DE RADIOTERAPIA, S.L. [ES/ES]; Po. Ind. Penapurreira, Parc. C-l,...

(10) WO 2012/163708 A1 (22) 21. Mai 2012 (43) 6. Dezember 2012 (71) AREVA NP GMBH [DE/DE]; Faul-GossenStraße 100, 91052 Erlangen (DE) (57) The...