Hochmosel bridge Germany
|Challenge||Development of a formwork solution for the construction of piers. bases and pear heads|
Self-climbing formwork, climbing mobile scaffolds, pre-assembled wall formwork elements for abutments and piers ... For Germany's biggest bridge construction project, the formwork experts from Hünnebeck are pulling out all the stops and supplying the site with perfectly tailored formwork solutions.
One major focus is the construction of the ten geometrically demanding reinforced concrete piers ranging from 21 to 150 m in height. On the bridge's longitudinal axis, the bridge piers taper linearly upward at a rate of 80:1, which means a recurring adjustment of 62.5 mm per cycle and side. Crosswise, the piers are waisted in accordance with a cubic parabola. Or, expressed in simpler terms, the tallest piers are roughly 16 m wide at their base, measuring roughly 9.5 m at their waist before flaring to 13 m at the pier head.
For the short pier (axis 10), the design department for custom formwork has developed a solution making use of the crane-based CS 240 climbing mobile scaffold – in this case a combination of twelve CS 240L brackets (lightweight basic variant for plumb forms) and four CS 240H brackets that, with additional parts, can also be used on wall inclinations of ±30 degrees.
Piers 9 to 2 with heights ranging from 50 to 150 m are being poured with the aid of SCF (Self-Climbing Formwork). The most important basic element of this formwork is the SCF bracket featuring an exceptionally high loading capacity of, simultaneously, 150 kN vertically and 100 kN horizontally. This permits a huge abundance of entirely different platform constructions that are perfectly adapted to the construction task in hand.
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