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Jüberg Tower
Jüberg Tower
Hemer, Germany
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Jüberg Tower
Hemer, Germany
The look-out tower was built for the regional garden and flower festival
„Landesgartenschau“ in Hemer 2010. It marks the end point of the city
and the transition to landscape. The 23m high tower is also the end
point and peak of the Jacob’s ladder, a stairs sculpture mounting up to
the crest. The shape of the tower, which is diverting towards the top,
reacts immediately to the local circumstances; the forested hill Jüberg,
the urban centre line and a 360-degrees view. The construction
of the Jüberg Tower has been designed as hyperboloid of reverse
inclined groups of members. It consist of 240 straight timber members of
Siberian larch (glued laminated timber) with a cross section of 8 x
8 Centimetres. According to the static stress, the number of single
slats per member group diminishes from the bottom to the top. A
large-mesh structure has been designed by inclining two reverse planes
of members. Linked to the horizontally arranged steel rings, it forms a
triangular structure of static efficiency. This timber slat shell
transfers all affecting vertical and horizontal loads. Hence,
additional internal bracing constructions are not necessary. The
supports in the lowest plane consist of six individual rods, which are
reduced to five in the next level, then four, three, and finally two
rods. This allows for an increasing panoramic view the higher you get to
the observation deck. The Jüberg Tower is the first of its kind, being a real timber rod hyperboloid
„Landesgartenschau“ in Hemer 2010. It marks the end point of the city
and the transition to landscape. The 23m high tower is also the end
point and peak of the Jacob’s ladder, a stairs sculpture mounting up to
the crest. The shape of the tower, which is diverting towards the top,
reacts immediately to the local circumstances; the forested hill Jüberg,
the urban centre line and a 360-degrees view. The construction
of the Jüberg Tower has been designed as hyperboloid of reverse
inclined groups of members. It consist of 240 straight timber members of
Siberian larch (glued laminated timber) with a cross section of 8 x
8 Centimetres. According to the static stress, the number of single
slats per member group diminishes from the bottom to the top. A
large-mesh structure has been designed by inclining two reverse planes
of members. Linked to the horizontally arranged steel rings, it forms a
triangular structure of static efficiency. This timber slat shell
transfers all affecting vertical and horizontal loads. Hence,
additional internal bracing constructions are not necessary. The
supports in the lowest plane consist of six individual rods, which are
reduced to five in the next level, then four, three, and finally two
rods. This allows for an increasing panoramic view the higher you get to
the observation deck. The Jüberg Tower is the first of its kind, being a real timber rod hyperboloid
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