Braywick Court School
Braywick Court School / Maidenhead
Braywick Court School in Maidenhead, UK is extending its classroom capacity with a new, £5 million state-of-the-art primary school. Due to be completed in July 2019, the new school features a mix of one- and two-story construction, comprising a steel frame and in-situ concrete first floor on composite steel decking. With a floor area of 1,154m², the new school will feature classrooms with glazed elevations that let in natural light combined with overhanging, cantilevered roofs to blend indoor and outdoor learning areas.
The site for the new school presented challenges in terms of optimizing the space available. The building needed to be adequately sized for the projected student numbers while also making space for play areas.
Allplan Engineering was used to combine the architectural, structural, and building services (MEP) models, as well as the existing site conditions. This enabled better coordination between all aspects of the design and removed...
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Biomass receiving and treatment plant “Ara Region Bern AG”
“Ara Region Bern AG” is one of the largest wastewater treatment plants in Switzerland. With the construction of a new receiving and treatment plant for biomass on the site of the former sludge drying plant, “Ara Region Bern AG” will be able to increase the future production of biogas by around 25 percent.
“On the one hand, we had to align the new building with the structures present on the existing foundation walls, but on the other hand, we had to coordinate the operational requirements with the entire receiving area as well as the process technology for treating the biomass,” says project manager Hans Peter Bütikofer from “ingenta ag ingenieure + planer” as he describes the challenges.
"We use Allplan Engineering to develop 3D models and exchange data in BIM projects. We also use the openBIM solution Allplan Bimplus, says Andreas Liesen, referring to the current uses. For the new building of the biomass receiving and treatment plant, ingenta submitted
Concrete Dam Replacement at Lake Grimsel
Project: Concrete dam replacement Spitallamm (Allplan Engineering visualization)
Lake Grimsel was created by the Seeuferegg (gravity dam, 42 meters high) and Spitallamm (arch dam, 114 meters high) concrete dams completed in 1932. It has been known for some time that the Spitallam concrete dam has needed reconstruction. This is due to the steadily increasing separation of the structures between the downstream (air side) mass of concrete and the upstream (water side) face concrete, which is leading to an increasing deterioration of the structure's condition.
The new, double-curved arch dam is located on the downstream side in front of the existing wall and has approximately the same crown height. Its crown length measures 195 meters and the maximum height is 113 meters. This results in a concrete volume of 206,000 cubic meters. In the past, a total of 1,235,450 cubic meters of concrete was required to build the eight dams that are in operation. How do you plan a new concrete dam in a topographically challenging terrain with a variety of existing inlet and outlet tunnels?
“Thanks to the meticulously precise reworking of all existing plans in 3D and their combination with the digital terrain model, we were able to create the ideal conditions for adding the geometrically demanding new building objects in the 3D basic plan in the form of a double-curved wall with a parabolic arc,” explains Matthias Stähli.
A newcomer to the Frankfurt Skyline
Project: OMNITURM, Frankfurt am Main
The skyline of Frankfurt am Main is distinctive in Europe. Nine of the approximately 30 buildings— each over 100 meters in height—are among the ten tallest buildings in Germany. At that point, the OMNITURM will be the fifth-tallest building in Frankfurt at about 190 meters, and at the same time, the first truly mixed-use highrise in Germany, which will offer public spaces in addition to office and living space.
The ambitious construction project involved a number of challenges for Bollinger + Grohmann Engineers. For example, the OMNITURM foregoes the usual corner supports to offer its users unrestricted views from the popular corner rooms. Accordingly, in cooperation with BIG and B & V Braun Canton Architects, a support system had to be developed which manages without these structural members.
The development of the special support system without corner columns—including optimized geometry with respect to the support position and distortion in the section and plan views— was initially done with the help of parametric models in the software Rhino. After the basic geometry was defined, the data was easily transferred into Allplan Engineering for further editing, and finally, ...
A steel plant in 3D
Steel plant in Jizan/Saudi Arabia
In Jizan, Saudi Arabia, a new steel plant is under development. This ambitious project involves the creation of a “mini-mill“ – a modern and innovative steel plant where scrap steel is smelted to produce new steel in just two hours, at a production rate of 100 tons per hour. Once completed, this new production center will have an arc furnace, which is considered better than the traditional blast furnaces because it offers greater flexibility. It will also be a rolling mill with high-performance rolling equipment using state-of-the-art automation technology. The design of the rolling mill support structure was entrusted to Udine-based company Mangart, who have many years experience in designing industrial plants and steel mills.
Besides accurate cost estimating, the greatest challenge posed by projects like this is the implementation and execution of the individual construction phases. For example, with concrete support structures, the correct construction processes need to be taken into account whilst simultaneously avoiding errors that can arise due to the location of expansion joints, etc. With this project, the general arrangement and reinforcement design required particularly vigilant attention.
In order to meet all these requirements, Mangart relied on Allplan Engineering, with its specially developed parametric 3D modeler for support structures. Easy to use with optimal control in every construction phase, Allplan allows editing of isometric displays, views, sections and ...
Titans in the desert sands
Dry Dock in Duqm Port, Oman
The construction boom on the Arabian Peninsula has reached another country: Oman. The Sultanate, from which Sinbad the Sailor once set off on his famous journeys, wants to revive its seafaring tradition and is developing several coastal areas into new port zones. One of these is Duqm Port, in the south of the country. Close to international shipping lines but also far from the notorious Strait of Hormuz, this desert-like region is to be developed into a new port with an adjoining industrial zone. The core of the new development will be two gigantic, 1,350-foot (410 meter) dry docks capable of servicing supertankers with a load capacity of up to 350,000 metric tons.
The gigantic dimensions of the project alone make it a real challenge. The two mighty dry docks and an appropriately large pump station are just one part of the project. The 250-acre (100-hectare) area will also have various dockyard and crane installations, deep water anchorages, storage areas, accommodation and office buildings, a quay wall nearly 2 miles (3 kilometers) long and an offshore breakwater. The project is also challenging because it must be completed particularly quickly. According to the Omani government, the entire installation needs to be ready in just three years.
So a particularly large project had to be planned with no errors in a very short period of time. The experts at Daewoo E & C agreed that this could only be achieved using the most up-to-date methods: using Building Information Modeling as an efficient design method – and with Allplan Engineering as the best tool for the job. The system for three-dimensional general arrangement design and reinforcement detailing enables an integrated approach with a virtual structure model. The 3D model serves as the basis for the general arrangement design and reinforcement detailing from which all the other designs and schedules are derived. This enables a very efficient ...
Man the Pumps!
Pumping station Katwijk, Netherlands
Built in 1954, the pumping station in Katwijk can currently transport 54 cubic meters of water per second, which corresponds to a volume of a room of around 4 by 5 meters. Even though the plant already offers impressive output, it no longer meets future requirements. In an expansion measure, the output of the pumping station will be increased to 94 m3/s and thus almost doubled – on the one hand by upgrading the three existing pumps from diesel to electric motors, but primarily through the construction of an additional, fourth pump unit.
The building, the details of which were designed by Tauw based on the basic draft by architects Aletta van Aalst & Partners, has a whole series of unusual building elements. For example, in addition to the trapezoidal exterior walls of the new pump housing, there is a cylinder-shaped trough, in which the rotors of the pump move, a pump gear and round flow openings out of which the water flows. The building also has elliptical platforms on which the cleaning cranes the for the dirt collection grate will later be mounted. These are all complex forms that are difficult to cope with in 2D. Integrated 3D planning on a virtual building model as propagated by the BIM principle was exactly the right solution for a project of this complexity.
In a first step, a complete 3D model of the new building and adjacent parts of the existing pumping station was created. The basis for this was two-dimensional plan data from the architects, which was imported to Allplan in DWG format, and scanned plans of the existing pumping station. Using this basic data, the planners generated primarily 3D solid bodies – since there were practically no standard building elements such as walls, ceilings, windows or stairs. Despite the complexity of the individual elements, modeling progressed rapidly: “Allplan offers numerous tools and methods that make 3D designing easy. And thanks to the option of switching ...
Green Electricity from Hydro Power
Hydroelectric power plant Middle Marsyangdi, Nepal
The construction of the Middle Marsyangdi Power Plant in the Lamjung District of Nepal (around 170 km west of Kathmandu) has made it possible to utilise the country's central hydro power resources. Klaus Klafke, Project Manager at DYWIDAG International GmbH, relied upon Allplan Engineering for the planning phase of this major project.
One of the challenges during the construction of the Middle Marsyangdi Power Plant was presented by working in the steep, narrow valley as Klaus Klafke recalls: “Key components of the power station were installed underground. The fact that the substrate consisted of fragile rock only became apparent once construction had begun. This had a major impact on plans, which often had to be revised accordingly or even completely abandoned in some cases.“
“Without Allplan, we would not have been able to handle the specific characteristics of this project as well as we did,“ comments Klaus Klafke. Since 1990, the company has been using Allplan Engineering to plan all its projects. “No matter whether you′re designing reinforced concrete or creating project plans, this software ensures that your workflows are smooth. In our opinion, Allplan is the optimal solution for all construction require ments.“ In the Middle Marsyangdi project, the use of Allplan Engineering significantly optimised the ...
Comprehensive web-based coordination
Project: Cantonal Hospital St. Gallen, Allplan Bimplus
The Cantonal Hospital St. Gallen is being expanded. This affects several buildings. The entire project has a total construction cost of 587 million Swiss francs. The expansion will be built in two different planning and construction phases.
“We did not have a contractual requirement from the client to plan this project with BIM,” says Andreas Haffter, project manager and BIM manager of WaltGalmarini AG, “but due to the size and complexity of the project, this was obvious to us; also because quality assurance was important to us and we wanted to document the model comparisons.”
WaltGalmarini AG gained its first experience of using this openBIM solution with the “Haus 10” at the Cantonal Hospital of St. Gallen. “We executed the tasks, made cuts, wrote comments and the tree structure within the individual models and building structure was helpful for us. We were thus able to...
An exciting patch across the gorge: The Tamina Bridge in the canton of St. Gallen
Tamina Bridge, Pfäfers Engineering office Leonhardt, Andrä und Partner,
With an arched span of 265 meters, a superstructure length of 417 meters and a height of 220 meters above the valley floor, the Tamina Bridge is the largest arched bridge in Switzerland.
Already during the planning phase, extensive designs of pre-stressed element guides and reinforcement were required to demonstrate the constructability of the design on the one hand, and similarly to make the tendering construction companies aware of the challenging framework conditions.
A sophisticated and very powerful tool was available for this purpose with Allplan Engineering. The extensive 3D functionality in particular greatly contributed to the success of the holistic planning of this very complex structure. When working with Allplan Engineering, detailed virtual models are created, which also include pre-tensioned cables, reinforcements and fixtures. In this way, many potential problems can still be solved in the planning phase, especially in...
Greater efficiency thanks to 3D Planning
Four-track extension between Olten and Aarau (Eppenberg Tunnel), Switzerland
By the end of 2021, the four-track extension of the Olten-Aarau route is expected to relieve one of the most severe bottlenecks on the east-west axis of the Swiss rail network. The project, costing CHF 855 million, includes expansions in the east of Olten, a fourth 2.5-kilometer-long track between Dulliken and Däniken and – as the core element – the double-track, three-kilometer-long Eppenberg Tunnel and comprehensive measures for its connection.
How are several thousand anchors in a geometrically complex excavation pit at a very narrow offset between axles and with holes at many different angles planned in an efficient manner, and how is it ensured that no collisions occur under the holes? And how is it ensured that existing vertical holes are not destroyed by the pipes for the inclinometer measurements with the anchor and relief holes to be drilled?
“If we had planned this complex excavation pit in 2D, it would have been necessary to develop a multitude of cutting plans,” says Rainer Hohermuth, before going on to point out: “Even so, we would never have been sure whether ...
Access Structures, The Circle, Zurich Airport, Switzerland
With a total investment cost of around CHF 1 billion, at the foot of the Butzenbüel hill and within walking distance of the terminal, a high-quality superstructure for services is emerging that will provide a usable area of 180,000 square meters. The first and second stages are expected to be completed at the end of 2018 and in 2019 respectively.
Centering for the construction of the central ramp bridge was a major challenge during spatial positioning. According to the current state of planning, this ramp bridge is located in close proximity to a planned protection platform over the Butzenbüelring, which will be necessary to construct the building’s partly overhanging facade. The central ramp bridge also crosses over one point of the current exit from the airport drop-off area at a very oblique angle.
The smooth import of 3D data for the existing structures and the planned building complex meant that he had an ideal starting point to integrate the new access structures into these layouts. Although both this data and the digital terrain model were partially developed using software from other providers, the data was exchanged without any problems. Development in the 3D model was particularly ...
The Groundbreaking Tunnel
Gotthard Base Tunnel, Switzerland
The scheduled commissioning on December 11, 2016, marked the end of the project of the century – the Gotthard Base Tunnel – after nearly 20 years of building time. Its route length of 57 kilometers through the Saint-Gotthard Massif between Erstfeld and Bodio makes the Gotthard Base Tunnel the longest rail tunnel in the world.
The entire base tunnel, including cross-passages and multifunction stations, is double-walled. After the excavation support, a seal and an insituconcrete tunnel lining were installed. In the Erstfeld and Amsteg sections, the contractor used three formwork units, each with two 10-meterlong formwork carriages, for the cladding and tunnel lining. In an ultimate feat of logistics, up to 60 meters of cladding was concreted per day. That is to say, for every ten months of building time, over 22 kilometers of tunnel lining were laid per tube.
The engineers from Gähler und Partner used planning in 3D anywhere there were difficult sections or problem areas to be able to best edit these components with the help of visualizations. ...
Three centuries of bridge building over the Firth of Forth
Reinforced concrete pylon with cablestayed tensioning and suspended roadway during the construction phase.
The Queensferry Crossing near Edinburgh in Scotland is a cablestayed bridge with three pylons over 200 m in height. It is one of the largest infrastructure projects in Europe and benefitted from ultramodern reinforcement planning in 3D thanks to the engineers from Leonhardt, Andrä und Partner (LAP) and Allplan Engineering.
Transport Scotland’s consultants from the Jacobs Arup joint venture were not given an easy task in developing a concept for the new bridge. The bridge has to be an equal counterpart to the world cultural heritage of the "Forth Bridge."
The reinforcement of the individual pylon segments had to be placed precisely in the space due to the upwardtapering crosssection. This method placed high demands on the CAD software used. That is why planners from LAP also relied on Allplan Engineering for the reinforcement and ...
Function and design – XXL
Sava Bridge, Belgrade / Serbia
Belgrade lies at the confluence of the Danube and Sava rivers. For years, expansion of the northern suburbs of the city has been hindered by the limited capacity of the three existing bridges over the Sava: the Brankov most, Savski most, and Gazela. In order to expand the capacity of the transport network, a fourth bridge is currently being built over the Sava.
The project is a complex one, and not only because of the dimensions involved. In order to ensure uninterrupted shipping movements during the construction period, the main section spanning the Sava must be erected in the river without temporary supports. In addition, construction will be going ahead on different sections simultaneously. The side section, for example, will be erected parallel to the main bridge, yet independently of it.
Depending on the specific need, the engineers have combined 2D and 3D planning, a classic example of hybrid working. “For the typical standard tasks in the planning of bridges, 2D planning is entirely sufficient, but more complex points are nowadays being planned increasingly in 3D,” states Steffen Kühn, structural designer at Leonhardt, Andrä and Partner. Formwork and tendon stress planning, for example, have been carried out in 2D, while 3D planning ...
Bridging the gap for more than a century
Versamertobel Bridge, Graubünden Canton, Switzerland
As an example of steel bridge building at the turn of the century, the structure is of considerable historic value, but it is no longer up to the demands of current times. The bridge has been deemed worthy of preservation and therefore has escaped being torn down and instead continues to serve the traveler as an additional link for slower traffic.
The brief had to consider the dramatic surroundings, the slender lines of the adjacent existing steel bridge, the difficulties of construction and the requirements for durability.
All the drawings were prepared using the BIM solution Allplan, which confirmed in particular on this project its credentials as an easy-to-use, intuitive 3D design tool. This was apparent in considering the steep ground around the foundation excavations, at the connection of the ...
Campus Bridge Würzburg, Germany
There is more behind the “campus bridge” than the pure avoidance of stopping traffic. The new university campus Hubland North is located on a former US military base: the Leighton area. After the US forces left this in 2009, the state of Bavaria purchased part of the land for the University of Würzburg and had parts of the former military facility converted for university use.
The team of Dr. Schütz Ingenieure (Kempten), Kolb Ripke Architekten and POLA Landschaftsarchitekten (both Berlin) created a design that was implemented in a single-stage realization competition at the turn of the year 2011/2012: a sophisticated structure, consisting of two narrow concrete strips converging into a small square above the street.
Dr. Schütz Ingenieure used Allplan Engineering to model the iconic structure. With Allplan Engineering software, it was possible to optimally illustrate the complexity of the bridge in the 3D modeling. In the process, the 3D modeling of reinforcement drawings in particular contributed to ...
Skyscraper with unconventional building geometry
Limmat Tower Dietikon, Switzerland
With the 80 meter high Limmat Tower, the Limmat Valley in Switzerland has its first skyscraper, which could become the landmark of the town of Dietikon, or the whole region. "The Limmat Tower stands for innovation, uniqueness and prospect," said Maik Neuhaus, head of development at Halter AG, at the turf-cutting ceremony in June 2013.
Direct force transmission was impossible in various places due to the façade folding and the projections and recesses. The support forces also needed to be absorbed or diverted at the building recesses. And, in terms of fire protection, in high-rise buildings the fire must be prevented from spreading by the circumferential parapet.
Thanks to the model-based development of the formwork and reinforcement plans with the Allplan Engineering software and the possibility of 3D visualisation, the engineering firm Synaxis was able to optimally deal with the sophisticated details in particular in a way that suited the construction site. ...
Software-assisted planning competence assures high quality standard
When compared internationally, engineering offices are expected to cope with high demands. This can only be achieved by maintaining permanent willingness to innovate and it demands continuous examination of the latest technical trends. MUCKINGENIEURE has an excellent track record when it comes to planning complex building structures using Allplan Engineering.
The common aim is to produce a construction plan that is an economic success.
MUCKINGENIEURE works using a 3D BIM model and stored attributes to increase flexibility in the face of requested changes and as a reliable method of verifying their feasibility. The engineers normally draw up lists and attributes themselves, since Allplan Engineering offers the opportunity to program individual reports, or save components and their properties. ...
Shining debut for a new city quartier
Office building Aviatica, Prague, Czech Republic
The former factory premises of aircraft engine manufacturer Waltrovka / Walter Engines is located in the district of Jinonice, in the fifth administrative department of Prague. Investment management group Penta Investments is planning to build a new city quarter with three office complexes (Aviatica, Dynamica and Mechanica) and various residential complexes on this 169,000 m² site in the coming years.
From the prestressing of the concrete beam and the vibration isolation through to the different pillar patterns between the underground and overground stories, the project involved many technical construction tasks that the engineers would normally have tackled in separate teams with different software solutions.
The company used solutions from Allplan and SCIA from Nemetschek for this. The shell or reinforcement plan was created with the help of Allplan Engineering, and modeling and calculations were carried out in SCIA Engineer. ...
Aesthetic shell for regenerative energy
Hydroelectric power station, Kempten
The new run-of-the-river power plant on the Iller river at Kempten impresses the viewer with its dynamic, elegant form. The almost 100 meter long sculptural shell conjures up numerous associations: from whales or waves through to polished boulders. The power plant replaces a building from the 1950s and currently supplies around 4,000 households with a capacity of around 14 gigawatt hours per year.
In a competition, the building client, Allgäuer Überlandwerk (AÜW) Kempten, requested a building design to harmonize with the protected group of buildings opposite, comprising the former Rosenau spinning works and weaving works.
The organically shaped shell of the hydroelectric power plant was created with a very high level of detail with
Allplan Engineering and provided the optimum basis for shell and reinforcement plans. ...
A2 Freeway, Stansstad-Beckenried, Switzerland
For all those involved in the project, repairs to the 12-kilometer section of the A2 freeway between Stansstad and Beckenried is a particular challenge. Between 2013 and 2017, the section of road, which has been in use for 40 years, will be redeveloped in three construction stages at a cost of around 278 million francs.
The repair work must be carried out within a short space of time, among traffic, and in very tight spaces on site. To meet these demands, the repair work on the Stansstad section to freeway exit Stans Süd, including the preferred measures, has been divided into six phases. It is only necessary to close freeway entrances and exits for a short time during resurfacing work.
The project placed high demands on the accuracy of the installation of the new road surface. With Allplan Highway, it was possible to meet these demands very efficiently. ...
Aare bridge, Olten (SO) Switzerland
Olten has a new landmark: the Aare Bridge, which was given over to traffic in April 2013 as part of the "Olten Region Relief" (Entlastung Region Olten, ERO) project. Thanks to the 3D visualization, the planning association commissioned to manage the project were able to show that the main intersections of the static system could meet all requirements relating to the installation of reinforcements and pre-tensioning measures, despite their minimal dimensions.
The main challenge for reinforcement and pre-tensioning was at the highest point of the structure: The longitudinal beams (which act as a link to the cut-and-cover tunnel), the angled support (which stands on the abutment), and the concrete sail (which braces the bridge's longest support) come together here on both outer sides.
The reinforcement and pre-tensioning plans for this level of complexity in the structure could only be tested in the 3D model ...
Three bridge project in Nijmegen, Netherlands
The Dutch in Nijmegen reveal just how sustainable and pioneering flood protection can be with an impressive project. Just across the border from Germany in the Lower Rhine, Europe's largest flood protection project is under construction. It is called "Ruimte voor de Waal" – literally "more room for the Waal" – and is intended to create more space for the biggest river in the Netherlands, the Waal.
For the engineers in charge at Witteveen + Bos, bridge building on this scale is an enormous challenge, especially as the timetable has been tight from the start. Planning such a major project without errors in such an incredibly short time is only possible – and the Dutch engineers were in full agreement – with hard work and the latest equipment.
With Building Information Modeling (BIM) as an efficient planning method, and with Allplan Engineering as the right tool it is extremely beneficial because all the necessary information can be derived directly and coherently. ...
All wrapped up
Elephant house Zurich Zoo, Switzerland
The new Kaeng Krachan Elephant Park at Zurich Zoo is a fine example of the international change taking place in zoo philosophy: More space for elephants, more proximity for visitors. The new home for a family of eight elephants extends over an area of more than 11,000 m². This is approximately six times the size of the old facility and provides the animals with more space, more family life and more room for movement.
The project was a daring experiment because a roof structure like this, with spans of over 85 meters, had never been built before.
For many years, Walt + Galmarini has consistently relied on the BIM solution Allplan Engineering for realizing challenging designs with a high degree of quality. Once the digital building model has been populated with the design data, the engineers can derive all the relevant sections, views and perspectives. ...
Nice and slender over the valley
Railway bridge Grubental, traffic project German unity 8.1, Germany
The section of the new line Ebensfeld-Erfurt was planned by the engineering office schlaich bergermann partner and was carried out by the Goldisthal Railway Bridge consortium (Bickhardt Bau AG and Ed. Züblin AG). Situated about five kilometers southwest of Goldisthal in the Thuringian Forest, the 215-meter long structure spans the Grubental Valley at a maximum height of 35 meters and connects the Goldberg Tunnel with the Dunkeltal Bridge.
That's how easy and elegant the Grubental Bridge is, how sophisticated its design is. After all, it was necessary to bridge a narrow valley bordered by steep slopes at an angle of about 50 degrees.
Thanks to Allplan Engineering, it was possible to record the difficult terrain situation in a digital terrain model (DTM) in no time. For this purpose, the measurement data provided by the client was ...
Built from the outside in
Airbus Production Hall, Stade, Germany
The various parts of the aircraft are being prefabricated in different locations across Europe to then be assembled in the delivery center in Toulouse, France. In Stade, SHI Planungsgesellschaft mbH (SHI) the Oldenburg-based urban planning, structural and civil engineering company built a modern production hall for a single aircraft component – a 17 meter long, 4 meter wide fuselage shell. The company used the CAD platform Allplan, installed on 25 workstations, to design the hall.
In addition to the sustainability requirements, the design company also had to overcome a number of logistical hurdles during construction of the hall. For example, a crane and a shuttle system had to be fitted in the hall in order to handle large components.
For professional implementation of their designs, the SHI team relied throughout on object-oriented work in 3D. “From the outset, Allplan provides us with a transparent design system capable of supporting us through even the most complex tasks. It is not without good reason that we have been using this software for 15 years,“ explains Mr. Wilken. The designers create a three-dimensional model right at the start of the design process. 2D is only used for ...
Art under a straw hat
Centre Pompidou-Metz, Metz, France
A building which houses modern and contemporary art must, itself also, satisfy certain artistic demands. And this is certainly the case at the Pompidou Art Center in Metz: The architects were inspired by the straw hats of japanese rice farmers. This new home for art represents a milestone in the field of architecture and faced structural engineers with a number of challenges. They were solved with Allplan Engineering.
The groundbreaking nature of the building, which was inspired by the image of a rice farmer‘s straw hat, made the structural design a particular challenge: Firstly, the three materials – metal, wood and concrete had to be combined and their static interdependently taken into account. And secondly, the architectural design was very complex due to the optically individual, yet statically overlapping interwoven elements.
Two dimensional planning was not sufficient for the challenges of this project, as the complexity of the intersections and the connection points, as well as the high degree of reinforcement required, made 3D tools vital for the reinforcement planning. The interactive functionality of Allplan Engineering provided support in this respect to the CHP planners: depending on requirements, the CAD designers could work with floor plans, isometrics, views and sections in order to create the spatial model. Changes to the reinforcing body were then automatically transferred by the system to all plans and lists. ...
Sweet treats – classically packed
Harrer Chocolate Factory, Sopron, Hungary
One excellent example of a timelessly elegant building that deserves the description “work of art“ is the Harrer chocolate factory located in Sopron, Hungary - specifically a three-story chocolate factory with office and shop.
There were many technical obstacles to overcome, particularly during shell planning. As the construction site previously contained the clay pit of a brickyard, the engineers were required to develop a sophisticated foundation. A five to seven meter thick, non-tight filling layer meant a pile foundation was necessary for the project.
To meet the building client’s requirements regarding a short construction period, the experts decided to use a fast production-enabled construction method using cavity wall elements, hollow-core planks and tensioned slab floors ...
Setting the tone with ALLPLAN
Helsinki Music Centre, Helsinki, Finland
Finland, a country which has given the world many famous musicians and composers, is known as the land of music. However, the Finlandia Hall in Helsinki, designed by Alvar Aalto in the 1970‘s, exhibits some serious acoustic drawbacks. This situation should soon be remedied. The Helsinki Music Centre – a new concert hall with sophisticated acoustics – has now opened in the Finnish capital.
When the Vahanen Engineering firm, located in Helsinki, took on the contract for the Helsinki Music Centre, the client had only one condition: project realization should be achieved on the basis of building information modeling. This would ensure that the building met requirements with regard to its design, its function, the costs and deadlines.
Vahanen has been utilizing Allplan for the last five years. The engineering company now has seven Allplan Architecture licenses and two Allplan Engineering licenses which were used for the building design, as well as general arrangement and reinforcement design for the Music Centre contract. The Music Centre was designed in 3D. This proved to be an ideal method for designing the building without errors, despite its complexity. The 3D design allowed the engineers to ...
Free froms give firm support
Musiktheater Graz, Austria
The Austrian Federal Real Estate Company (BIG or Bundesimmobiliengesellschaft in German) commissioned the construction of a building for music and musical theatre (or Mumuth for short) for the Graz University of Music and Performing Arts. Planning activities for the building began in 2005. “The planning phase presented us with a few problems. The Mumuth proved to be extremely complex in many respects, including the supporting structure system, the building equipment, the building physics and the facade.
One particular challenge during planning was posed by the ‘Twist,‘ a freely defined spiral element which is the central component of the supporting structure in the foyer. This steel and concrete composite structure begins on the ground floor and spirals upwards through the first and second floors before merging with the ceiling above the second floor.
Because the entire geometry consists of free forms, also known as non-uniform rational B-splines (NURBS), it was not possible to simply replicate the Twist in a 3D model without further ado. Instead, it had to be imported into the spatial building model via a less direct route. “We got round this difficult situation by diverting the Terrain module from its intended purpose and using it to ...
Where art and finance merge
Consulting center of Rabobank in Roermond, Netherlands
The inspiration for this building, designed by architecture firm Engelman Architecten in Roermond, was a work by American sculptor Isamu Noguchi. The work of art evokes a snake whose outstretched neck and head reach high into the sky. The architects turned this idea into a two-story building at the end of which a seven-floor tower boldly extends diagonally
In addition to the fact that the sculptural form required an extremely innovative approach for a correct calculation of the main load-bearing structure, another major challenge was ensuring the dimensional accuracy of the precast parts and assembly drawings.
To solve these two problems effectively, the designers decided to work in a virtual 3D environment. The entire structure was transferred to Scia Engineer, a modern calculation software that uses the finite element method (FEM). The engineers then subjected ...
BIM for maximum security
Orchidea Tower, Bucharest, Romania
For engineers to retain an overview in a project the size of Orchidea Tower in Bucharest, with 19 stories above ground and 3 below, working with 3D models is practically a must.
Planning was made more problematic by the difficult structural conditions: on the one hand because of the poor quality of the ground close to the river, but above all because of the risk of earthquakes, which had to be taken into consideration in the calculations.
From the very beginning, this complex structure was modeled by Inginerie Structurala with Allplan in 3D, using special templates from Scia Engineer designed for steel and concrete construction. No problems were encountered in ...