[BIM Software Implementation Case Study] Rappenloch Bridge
Tekla Structures Steel Detailing Modeling
Introduction of a case where the assembly and disassembly of support scaffolding using a slightly inclined arch-shaped steel pipe truss was adopted!
The new Lappenloch Bridge is a single-track prestressed concrete bridge, with a total length of 66 meters for the superstructure. Since the Durnbiller Aach River flows beneath the bridge, it was necessary to use free-span formwork for construction, and a seating area was provided under the abutments. Additionally, due to the very narrow surrounding roads and limited access, the development of a lightweight formwork system was required. The maximum weight of each component at the top of the arch is limited to about 4 tons, and the total length of components that can be transported via existing roads is up to 12 meters. To address these stringent challenges, a slightly inclined arch-shaped steel pipe truss was adopted. This lattice truss is connected to the cross members to enhance load-bearing performance and is reinforced with tie rods to ensure the static load-bearing capacity of the concrete. All process planning from assembly to dismantling was carried out using "Tekla Structures." *For more details, please feel free to contact us. ⇩ The catalog can be downloaded from the special website below ⇩
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**Case Overview** ■Challenges - It was necessary to use free-span support structures for construction. - Due to the very narrow surrounding roads and limited access, the development of a lightweight support system was required. - The maximum weight of each component at the top of the arch was limited to about 4 tons, and the total length of components that could be transported via existing roads was up to 12 meters. ■Product Used: Tekla Structures ■Solution: Adoption of a slightly inclined arch-shaped steel pipe truss *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
Company information
Trimble is a technology company with a vision to transform the industry. Tekla Structures, a BIM software for structural design, enables the creation of As-Built BIM models that are utilized across a wide range from conceptual design to detailed design, fabrication, and construction site process management, playing a central role in the construction workflow. It supports various structural forms such as steel, reinforced concrete, and precast concrete. Particularly in the detailed design and fabrication stages, it serves as the global de facto standard, demonstrating its effectiveness among advanced user companies worldwide. Through a global network, Trimble has established partnerships with various advanced software and machine tool manufacturers in the industry, achieving efficiency in design and automation of the fabrication process. The company continuously invests in the development of cutting-edge technology, pioneering the development of technologies that enable global BIM model sharing and group design using the cloud, and it implements numerous user requests in its annual version upgrades. To accommodate Japan's unique specifications, Trimble has established a dedicated development system within Japan to develop software for Japanese user companies.
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