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Stuttgart Mühlhausen, Germany

Plieninger S.,Schlaich Bergermann und Partner
Bautechnik | Year: 2012

For many years the construction industry in China is booming. Believing in current expectations 50% of all new buildings to be erected in the world will be built in China. An incredible chance, isn't it!? But only those who have planned seriously and at a high technical level, who built and maintained durable relationships to Chinese colleagues, and who did not just dictate their own ideas, will be successful in the future. schlaich bergermann und partner is working on projects in China since 1999 and is represented in Shanghai with a branch office. Copyright © 2012 Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin. Source

For cable- and membrane-structures the process of form-finding is an indispensable and integral part of the design-process. For the realization of other types of structures the idea of form-finding was, until now, not well established in the design-phases. Due to the existence of bending-stiffness in such structures the geometry will be usually preset and not found. The advantages of form-finding, however, can be used for a multitude of structures. Besides a general discussion about different approaches and the method used by schlaich bergermann und partner, several examples will be shown for the possibilities and advantages of this method. This rarely discussed approach extends the area of application and allows a significant increase in efficiency, which is useful in a competition as well as in the design development phases. The advantages of form-finding will be presented on realized projects of the last years. © Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin. Source

Tamai H.,Schlaich Bergermann und Partner
Global Thinking in Structural Engineering: Recent Achievements | Year: 2012

New forms appropriate to a new age are looked for in architectural design. This paper presents a practically robust and computationally inexpensive approach for the form finding of light weight structures that realize new forms, the types of which range from free form grid shell to cable-strut network structures. In the recent years, architect's conceptual shapes are becoming much more sophisticated than can be represented by a traditional hanging model or hyper parabolic surfaces. After forty years of development of form finding methods, it is practically still a difficult task for an engineer to find an equilibrium shape while following up the architect's design intents. In this paper, optimization procedure is incorporated in the force density method in order to look for the optimal set of force densities for given multiple objectives while the structure is maintained in equilibrium. The key strength of the method is demonstrated with a wide range of up to date design problems. Source

Vogel T.,ETH Zurich | Fricker S.,Schlaich Bergermann und Partner
Structure and Infrastructure Engineering | Year: 2014

In southern Switzerland, a post-tensioned concrete bridge built in 1952 showed signs of improper grouting of the ducts and subsequent corrosion of the prestressing steels. That is why a monitoring system was installed to detect wire breaks based on acoustic emission analysis. The monitoring revealed a wire break about every 35 days, and the owner decided to prop the bridge by additional piers and to replace it. The demolition of the bridge was used to establish a detailed condition survey of both the concrete and the reinforcement, especially the tendons. Consequently, excellent data are available on the actual condition of the bridge prior to removal. This information was used to calculate the structural capacity of the bridge and possible failure scenarios depending on applied traffic loads and ongoing deterioration. This paper presents the results of these calculations, based on a general description of the structure and the history of past maintenance and evaluation activities. © 2013 Taylor & Francis. Source

Keil A.,Schlaich Bergermann und Partner
Bautechnik | Year: 2013

Pedestrian Bridges are preliminary functional, but they should also respond to the special features of their sites, route trajectories, topography and contexts. Their presence in public spaces offers an opportunity not only to connect separate areas with each other, but also to confer a unique identity on the immediate environment. Within the last decades several new pedestrian bridges established the new genre of pedestrian bridges with spectacular structures. Built at different places, in cities, parks and in the countryside, on roads, railways, rivers and ravines, they surprise you with special designs, high amenity value and often also by their shape. This article gives a brief overview of this development, including the main design parameters of various types of construction and current examples. Copyright © 2013 Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin. Source

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