柏林勃兰登堡门柱置换,德国

客户项目

2013年10月29日

德国 RFEM 钢结构

Structural Engineering Structural Engineering Office
Dipl.-Ing. Jörg Sando
Weimar, Germany
www.sando.de

Structural Analysis (Testing Work)
Prof. Frank Prietz
Berlin, Germany
Construction Contractor
Bennert GmbH
Klettbach, Germany
www.bennert.de

General Contractor
CARO Restaurierung und Technologie GmbH
Berlin, Germany
www.feature.de/caro-bbt

Technical Monitoring
EBK Engineering office for construction diagnostics
Weimar, Germany
Investor Stiftung Denkmalschutz Berlin by order of
Senate Administration for Science, Research and Culture of Berlin
Germany

During the final days of the Second World War, a column segment of the Brandenburg Gate was severely damaged by grenade attacks. When the gate was reconstructed in 2002, the German engineering office J. Sando in Weimar developed a method by which it was possible to substitute the column segment. The special supporting structure needed for the substitution process was designed with RFEM.

Basic Technical Conditions

The structure load is transferred across masonry arcs into the columns. Lateral supporting is not possible without deconstruction. Engineer Sando has developed a method by which the load is redirected within the column. By constantly checking the force and displacement, it was possible to monitor the work steps all the time. Critical moments, of course, had to be excluded for this building.

Column Substitution

Preparatory work for load increase was followed by mounting the hydraulic supporting structure step‑by‑step. The new center piece, which is exactly half of the column segment, was inserted after an intended vertical elongation of 0.6 mm. With both side parts it is now clearly discernible as the new segment. The chosen method was a great success.

Program Used for Structural Analysis

空间有限元模型的优点

“空间有限元模型提供了非常好的选择,分析和研究特殊复杂结构的承载情况并通过可验证的方法验算。由于对德国最著名的勃兰登堡大门有着极高的安全要求,有必要在两个阶段安装支撑结构,具体安装情况可以在 RFEM 中很好的建模。”


Project: 柏林勃兰登堡门柱置换,德国

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