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Additionally, it had to be built with stiffness, vibration behavior, and load-bearing geometry in mind so that the tracks could be guided over the joints without rail expansion joints. The goal of the project was to plan and build a bridge in the valley which would obstruct as little of the landscape as possible. The Grubental Bridge owes its slim design to a semi-integral construction method, almost without bearings and joints between the superstructure and the substructure. Situated just over 3 miles southwest of Goldisthal in the Thuringian Forest, this 705-foot-long structure spans the Grubental Valley at a maximum height of 115 feet, connecting the Goldberg Tunnel with the Dunkeltal Bridge. Railway bridge Grubental, traffic project German unity 8.1, Germany. Markus FГ¶rster, department head for bridge building at LAP, explains вЂњIn coordination with the contractors, and taking into account the formwork system used, each of the 55 straight concreting sections of the arc were integrated into the 3D model precisely.вЂќ This allowed many potential problems to be solved in the planning phase, especially in critical areas such as intersections with very high reinforcement ratios. Working out of Allplan Engineering allowed comprehensive, detailed virtual models to be created. Therefore, pre-tensioned cables, reinforcements, fixtures and their corresponding measurements were necessary elements to include in the model during the design phase. Numerous stresses had to be tested for wind, earthquakes, failure of tension cables, etc. The area where the bridge was being built, in addition to the unique design features, posed a tremendous challenge. In 2007, an official competition was advertised for this project and won by the engineering office Leonhardt, AndrГ¤ und Partner (LAP). With an arched span of 870 feet, a superstructure length of 1,368 feet and a height of 722 feet above the valley floor, the Tamina Bridge is the largest arched bridge in Switzerland.

Tamina Bridge, PfГ¤fers Engineering office Leonhardt, AndrГ¤ und Partner, Switzerland.

Read these reference projects and case studies to see for yourself how Allplan enabled the realization of these bridges.

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See from the customerвЂ™s point of view how Allplan Bridge and Engineering software was used in dynamic and endeavoring build projects, and how the ease of 3D modeling contributed tremendously to their success.Дiscover new challenges and complex problems in customer problems solved with modern CAD software. Complex geometries including double-curved alignment and varying cross-sections can be easily created with the help of alphanumeric entries and stored formulas, making model configuration quick and efficient. The cross-section of the bridge as well as its variation along the alignment are described parametrically. The parametric model considers the plan alignment and the vertical profile of a road or a railroad. The unique model enables quick and efficient management of the changes that occur during the design process, saving both time and money.

Generate construction documents, drawings, schedules and reportsДЄllplan Bridge is a powerful parametric 3D modeling solution to assist the bridge engineer with the design and detailing of bridges, especially prestressed-concrete and composite bridges.

Define longitudinal and transverse sections.

Model concrete reinforcement, fixtures and PT tendons.

Create 3D reinforcement of bridge structures.

Seamlessly integrate 3D and BIM into existing 2D workflows.

(NG brands in the US include Bluebeam, RISA, SDS/2 and Vectorworks).Дesign and implement complex structural and civil engineering projects A key subsidiary of the Nemetschek Group (NG), Allplan solutions are used by over 240.000 Engineers, Contractors and BIM Managers around the world. As a pioneer of OpenBIM, Allplan is leading the charge to digitalize the AEC industry.