Mountain and Valley Station of the 3S Cableway Klein Matterhorn in Zermatt, Switzerland
Zermatt Bergbahnen AG, Switzerland
Peak Architekten, Switzerland
Indermühle Bauingenieure, Switzerland
|Reinforced Concrete Design||
LABAG AG, Switzerland
Brawand Zimmerei AG, Switzerland
Model Data of the Valley Station
After 2 1/2 + years of construction, the world’s highest 3S cableway "Matterhorn glacier ride" was opened at the end of September 2018. The CHF 55 million project was developed to increase passenger capacity to the Klein Matterhorn sitting at an altitude of 3902 m. Additionally, it’s now possible to keep the service running when performing maintenance work to the existing tramway.
The Dlubal customer Indermühle Bauingenieure was responsible for the mountain and valley station timber engineering. This included the preliminary project scope, construction supervision, and the 3D project planning on behalf of the wood construction company. The structural design was performed in RFEM.
Both station buildings were designed with timber materials rather than steel to meet the 30 minutes (R30) fire resistance design requirement. Timber was also the better option for design and environmental considerations.
Structure Mountain Station
The building dimensions are 38 m x 27 m and includes a crystal shape similar to the existing mountain station. The structure is designed to withstand snow and avalanche loads up to 6000 kg/m²! The building can also endure wind loads up to 320 kg/m² which is more than three times the wind magnitude for structures designed on the plains.
The timber structure is composed of rigid frames which lean against one another. The span has been reduced by struts oriented toward the rock face. Since it was possible to only transport structural components with a maximum length of 12 m, the downstand beams and supports were rigidly connected on site.
Structure Valley Station
The 40 cm x 152 cm cross-section primary beams consist of a 3.35 m length which rest on fan-shaped struts. The concrete slab which cantilevers 5.5 m to the west side is suspended from the roof structure by facade supports. This similar concept is applied to the parking rails and hall crane.
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Programs Used for Structural Analysis
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
Design of steel members according to the Swiss standard SIA 263
Fatigue design of members and sets of members according to EN 1993-1-9
Timber design according to Eurocode 5, SIA 265 and/or DIN 1052
Dynamic analysis of natural frequencies and mode shapes of member, surface, and solid models
Dynamic and seismic analysis including time history analysis and multi-modal response spectrum analysis
Generation of load cases from moving loads for members and sets of members