Hollow Core Slab Design Spreadsheet

[Agata Schweiss]

ErikssonBeam allows the engineer to quickly analyze and design precast/prestressed concrete beams in accordance with ACI 318-. All types of horizontal precast members can be designed, including double tees, inverted tees, spandrels and hollow core slabs. Also included are sections that require a principal axis analysis, such as stadium risers. Reinforcement can be any combination of prestressing strand, rebar, and mesh. Multiple holes in both beam webs and decks can be modeled. A general purpose polygon editor is included for the design of unusual cross sections.

An example with the model of a precast hollow core slab used for ceiling construction. The model was analyzed in the IDEA StatiCa Beam app using a composite section. Comprehensive calculation with different material characteristics for each part of the section and including construction phases.

You can choose from a predefined list of hollow core slab cross-sections or create your own. If you have a CAD drawing of your section, you can use the import function and the program will find the hollow-core profile and automatically generate the section for you. You will need to configure the prestressing wires/strands though using the Strand Pattern Manager.

Add topping to your prefab element and make a complete calculation taking into account the cast-in-place concrete layer. You can add reinforcement to the topping layer and have it to work together with the prestressed hollowcore. You can also perform a fire calculation.

It is very easy to add prestress tendons/wires/strands and standard reinforcement to your element. Applying the bars can be done manually or through the pattern manager and you can customise and save any layout for future projects.

The self-weight is automatically applied for the element and any topping if present. Depending on the type selected for the load the program will automatically add the correct factors according to the National Annex and generate the load combinations.

Calculate the hollowcore slab according to Eurocode and get a fast and accurate presentation for the whole lifespan of the element. The code check makes all the verifications according to Eurocode including checks for spalling. You can check the specific verifications for each stage. Get a full documentation for your hollowcore element calculation in seconds with all verifications, including fire calculation.

PRE-Stress Users working with the IMPACT Design software can also import data and benefit from a full integration of hollowcore calculations whilst detailing hollow core slab floor layouts in both AutoCAD and BricsCAD and now in full 3D with the IMPACT Project Manager.

Bio: Anders Nilsen is Sales Manager at StruSoft and based in Denmark. He joined StruSoft in 2019 and has a background as a civil engineer with ...show more lots of practical experience in all our structural software. In addition to sales, Anders also manages our sales and customers experience teams in Denmark and Poland. show less

Bio: Isak Bjrhag works as Business Development Manager for new markets. Isak has many years of experience both with hands on practical engineering and working with our ...show more customers helping them to succeed with our structural engineering software. This can be achieved through specific training, presentations or hands on demonstrations for specific cases. Please feel free to contact Isak if you are interested in a demo or want to expand your knowledge in our structural software. show less

Bio: Joni has helped and trained hundreds of engineers in structural analysis in Finland. He works in both civil and mechanical engineering fields with structural analysis. ...show more Joni has over 15 year of experience in structural design of many types and sizes of steel, concrete and timber structures. Joni is the Product Owner of our JIGI software and Country Manager for Finland. Please free to contact Joni if you need any help to solve your structural analysis problems. show less

Bio: Mohsen Ghaemi is the Regional Manager for StruSoft in our Structural Business Unit. He has a PhD in Structural Civil Engineering (Topology optimisation). Mohsen has ...show more been with StruSoft since 2002 and has more than 20 years of experience with the FEM-Design software and its development, as well as in customer relationships and sales. Please feel free to get in touch with Mohsen directly. show less

Bio: Fredrik Lagerstrm MSc has 8 years prior experience before joining StruSoft working as a civil engineer using FEM-Design, WIN-Statik & PRE-Stress in his daily practice. ...show more In 2011 Fredrik joined StruSoft as a Technical Sales and Education Manager. Fredrik works closely with both Sales and Development to get feedback directly from our Swedish Customers to in turn help our Developers to implement the requested new features in an accurate way. Please feel free to get in touch with Fredrik if you require any technical help or support with our structural software. show less

Bio: Ciprian Tibea is the Head of Sales for Baltics & Romania and has been with StruSoft since 2018. Ciprian has a PhD in Civil Engineering ...show more (Ultra High Performance Concrete Subjected to Shear Action) and a Masters Degree in Entrepreneurship and Business Administration. Prior to StruSoft, Ciprian was working as a research engineer for Consolis for 6 years and for 1 year with a local company in Romania working on structural design projects with advanced Finite Element Software (Diana and Atena). Ciprian is your main Structural Sales contact for markets outside Europe, the Baltics and Romania. Please feel free to get in touch. show less

Bio: Suhas is the Managing Director of StruEngineers India, a Design & Detailing Service company 100% owned by StruSoft. Suhas has a BSc in Civil Engineering ...show more and has been providing design support services to the Precast Industry, worldwide, over the last 20 years. Suhas was one of the original founders of StruEngineers which was established 10 years ago and previously worked for Neilsoft in Pune. StruEngineers provides local support in India for all StruSoft software and Suhas is a specialist with IMPACT AutoCAD. If you are based in India and looking for more information or support please feel free to get in touch directly with Suhas. show less

The Hollow core slab software in IMPACT helps you design and detail hollow core (HC) slabs in 3D, including automatic cast in lifting items centre of gravity positioning with automatic core fillings. It generates automatic shop drawings and export files for plotters; automatic sawing machinery and reports.

Features of the IMPACT Hollow-core module include but are not limited to cast-in materials; recesses; edge details, positioning of prestressed wires/strands; cut zones, and much more. It is even possible to perform prestress load checks on your floor layouts with the PRE-Stress Connection module.

The IMPACT Hollowcore module helps you design and detail hollowcore slabs in 3D, including automatic cast in lifers positioning with automatic core fillings. It generates automatic shop drawings and export files for plotters; automatic sawing machinery and reports.

Any changes you make in the 3D model, plan, elevation or on the shop drawing, are immediately updated on all corresponding drawings and models. Your whole hollowcore slab design project is synchronised with all drawings automatically updated at all times.

Features IMPACT Hollowcore includes but is not limited to cast-in materials; automatic recesses; recesses; edge details, positioning of prestressed wires/strands; cut zones, core fillings, hanger details, and much more.

Bio: Nikolaj is the Head of sales for StruSofts Precast Business Unit. He has an MSc in Building Informatics, direct experience working for precast factories as ...show more well now being with StruSoft for the best part of a decade. He is well equipped to answer any enquiry you might have about our IMPACT Precast Software. show less

Bio: Michał Sikora is the main point of contact for IMPACT customers in Poland. He is responsible for implementation, training and the optimization of IMPACT for ...show more customers. Michal has an MSc in Structural Engineering and an extensive experience in designing and detailing concrete structures. If you are based in Poland and want to find out how to get started and best utilize IMPACT, feel free to reach out to Michal. show less

Bio: Thomas Gitsas works closely new international IMPACT customers. He is responsible for implementation, training and the optimisation of the precast processes to be digitalised within ...show more IMPACT. Thomas has 2 x MSc's in structural engineering and civil planning. Thomas joined StruSoft in 2017 and has a wealth of experience with precast factories in Europe, UK, Middle East and Oceania. Please feel free to contact Thomas if you would like to find out more about to get started with IMPACT. show less

Bio: Brian Hendriks is our IMPACT representative based at our sister company Matrix Software in the Netherlands. He has many years of experience and knowledge regarding ...show more production companies in the building industry with a focus on steel and Precast concrete. Feel free to contact him if you want to know more about IMPACT Precast Software when you are based in the Netherlands, Belgium or Germany. He will gladly discuss how IMPACT will benefit your company in Dutch, German, or English. show less

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