Since one of the major challenges in using Tekla for glazed structure modelling is the lack of system catalogs, ALTO 4.0 is working on a tool that would significantly save the time required to get aluminum and rubber gasket profile catalogs in Tekla. The application converts dxf files into Tekla profile library. It is easy to use and takes a small effort to get glazed structure project profile library into Tekla software. Check it out on the video! By using the tool, we managed to add 70 profiles in just 2 minutes!
There are still couple of challenges to be solved, but in most cases it works great. We are planning to add some functionality for catalogue rules and user attributes. The idea is that you can add a rule name and it would appear in Tekla profile catalogue instead of default rule “Other”.
Continuation of a series of articles about glazed structure modeling in Tekla. So far we have created two building model with element frames (view video). There was different approach to second model. But we have also third in mind.
Façade element frames were modeled with our own plugin- Glazed Structure Frame. Each building consist of 381 frames (333 assemblies). The first model (on the right) was made in usual way – relying on imported dwg and ifc references. This method there are usually problems with precision of the references and there tends to be too many snapping points, which makes it hard to model.
However the second model (in the middle) was made with different approach. We made 3D grid for the whole building elements. There was spent 3 days on this because all the imperfections were corrected. Frames were modeled in 1 day. Since the grid was exact, we did not spent much time on optimization and imperfection corrections.
We have launched a project where the assembly will start in end this year. Project is located in Gothenburg, Sweden. The building envelope is unitized façade with total area about 3500m². These elements have partially non-transparent zones with integrated blinds and dark anodized claddings.
The project will be designed by two teams simultaneously – one will be using the traditional CAD software, the other will be working in Tekla Structures and using our glazed structure plug-in set. Since it is a real project with specific schedule, then we are limiting some risks using only the new designing process. At the same time it will ensure a healthy competition. If Tekla team will finish project on time, it could be used for production, logistics and assembly team. The whole value chain will benefit from building information model.
Glazed structures is a more complicated and diverse product than steel or concrete structures. Glazed structures provide wide choice of options which is great for developers and clients but brings great challenges to engineer, design, manufacturing and assembly teams. Materials and products have to be combined from multiple aluminum structure, glass and material manufactures to achieve the best solution for each project.
We have developed a small but powerful tool for element renaming(numbering). It is used to set the TEKLA element name according to UPB naming convention. Automatic mode works together with precast attribute tool and uses the element type code in the name of the element while in manual mode it is possible to enter the element code. Tool simply fills in the element NAME attribute according to all selected elements. Tekla Structures allows you to perform automatic numbering or manual. This tool automates the manual numbering, and saves up to 160 engineer working hours in the year.
Improving engineering productivity is critical to reduce total costs of precast building manufacturing. Currently 35% of project hours are spent on element modelling. Analyzing how engineers work in BIM software (TEKLA Structures) should provide us with information how that time is utilized and where plugins or other useful tools should be provided for engineers.
TEKLA Structures is great software for precast element modelling and it can contain a lot of useful information about each element in element attributes. Most common ones are TEKLA standard attributes for each element type. But elements can also have some user defined custom attributes. Currently TEKLA provides more than 10 pages in 2 windows forms of user defined attributes for precast concrete panel. Not all of those attributes are necessary for every-day modelling and it is time consuming for engineers to search for the correct place where information must be entered.
We would like to share our views on the laser template projection systems integration in our productions workflow, particularly in precast concrete elements production. The BPM diagram (Figure 1) describes the precast concrete element’s lifecycle from the drawing in 3D modeling software till the production in a factory. Our goal is a fully integrated system, where all information is shared among all stakeholders in this lifecycle. ALTO 4.0 ERP acts as the enterprise service bus for all information exchange and is designed to have interoperability properties.