Sep 03, 2011 reinforced concrete sk 33 section through slab showing stress due to moment. Yes, autodesk structural bridge design can be used to analyse and design hollow core slabs. Cores in the units are formed with augers or tubes, and the. Much of the concrete centres output is aimed at freeing the designer from laborious tasks to allow time to choose the best structure using further design tools. Design analysis of prestressed hollow core slabs on flexible support. All calculations are performed according to eurocode 2, in conjuction with national annexes. Manual for the design of hollow core slabs second edition by donald r. Impact revit hollow core slab precast concrete software. Posttensioned and reinforced concrete slab and beam design. Maintain plant records and quality control program during production of precast slabs. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. This case study focuses on the design of icf walls using the engineering software program spwall. Structural design software engineering international.
This can then be translated into a production plan for the hollowcore. This is supplemented by a fully worked design example for a composite beam in a 15. There is a lot of concrete design software and rightfully so, because concrete is used in so many ways. Jan 07, 2020 impact drawing precast hollowcore in revit. One is a drycast or extrusion system where a very lowslump concrete is forced through the casting machine. The usage of the building and loads applied will determine the depth, prestressed wire patterns and span of the slabs. It has gone through a thorough examination and approved for use by the finnish concrete association, according to the national statement on requirements for safety and trustworthiness of design and calculations of hollow core slabs. This intelligent software reduces the slab cost per. Automatic shop drawings draw entire floor areas at once ready for planning send directly to hollow core plotters, saws, modifiers etc. Floorcad is the software of choice for the design, layout, production and dispatching of precast concrete slabs. The connection features two of the four hollow cores reinforced and filled with concrete, and is diagrammatically shown in figure 1a. Reinforced concrete seating details of hollowcore floor systems. This program was constructed mainly for the nonlinear analysis of.
Comparison between solid and hollow reinforced concrete beams. Comparison between solid and hollow reinforced concrete. Reinforced concrete design 1 design of slab examples and. The following sections from the pci design handbook include interaction curves, load tables, and section properties for various precast concrete components. No matter what the type of design, encons hollowcore. Reinforced hollowcore flooring, concrete floors, concrete.
Shear capacity of prestressed hollow core slabs on flexible supports. Pdf design aids for precast ordinary reinforced and prestressed. Find the following parameters for design moments in step 2 per unit width step 4 note. Oct 11, 2016 yes, autodesk structural bridge design can be used to analyse and design hollow core slabs. Hollow core slab and precast prestressed planks autodesk.
Trusted by all hollow core producers of finland elislab 2. Prestress helps you analyze and run calculations on many types of prestressed concrete elements including hollow core slabs. As a manufacturer of prefab floors flooroffice offers you the ability to speedily work through the entire. You can access tables from previous editions of the handbook as well as the current edition. As industry leaders, hollow core has served an array of prestigious clients and has assisted them in. The guidance applies to hollow core units of 150 to 260 mm depth, and to solid precast planks. The wall may retain soil or other granular material. The hollow core slab has a variety of uses, including floors and roofs for buildings and parking garages, decks for piers, and lagging for retaining walls. Posttensioned and reinforced concrete slab and beam design software adaptptrc product overview since 1981, adapt softwares proven reliability and easeofuse have made it the most widely used software for the design of posttensioned slabs and beams worldwide. Load distribution factors for hollow core slabs with insitu. Calculating prestressed hollow core slabs dlubal software. Design and analyze prestressed or reinforced concrete.
Precast concrete detailing software for modeling prefabricated buildings in revit precast concrete software for revit streamlines your 3d design process by automating the modeling, detailing, and documentation stages. Production ipha international prestressed hollowcore. This paper provides the engineer with a simple design method dealing with situations arise where insitu. Preconslab is a software tool to design and analyze prestressed or reinforced concrete flooring systems. This new type was called hollowcore frpconcretesteel hc. The top block was cast in the laboratory directly on the bottom block using a concrete strength that would typically be encountered in toppings. Structural engineering software, spreadsheets, for analysis and design, including wood, lateral analysis, concrete, steel, aluminum, glass, masonry, bridge, foundation. Castinplace, composite concrete topping is highly recommended to provide a smooth, level floor surface that serves as a horizontal diaphragm when properly reinforced. To further increase the strength, each slab is reinforced with 12mm steel strands. Additionally hollowcore slabs are checked against en1168, while tbeam systems are checked against en15037. Each slab has between 4 and 6 longitudinal cores running through it, the primary purpose of which is to decrease weight and material inside the floor, while maintaining maximum strength. Click here to visit our frequently asked questions about html5. Complete and integrated software for precast flooring. Sep 30, 2016 etabs 24 reinforced concrete slab design.
The internal hollow core for the hollow beams was 200. Precast slabs are extensively used in prefabricated buildings as floor or roof deck system and also have the applications in spandrel members, wall panels and bridge deck units. Hello, id like to contribute to this forum three excel sheets of my design, nothing too fancy but thats what im capable of the first is a singly reinforced concrete beam one layer. Precast flooring is a reinforced concrete product, tailored primarily to the requirements of residential flooring. Efficiently model floor slabs, wall panels, beams and columns, and then insert connection details by the batchload and place. It provides the solution for a simply supported slab with two overhangs one on either side of the support for different loading conditions viz. Flooroffice, the complete and fully integrated software solution for hollowcore. Prestressing allows the hollowcore slabs to overcome concretes natural. Steelreinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving see below.
The pci manual for the design of hollow core slabs1 notes that there are essentially two methods used to produce hollow core units in the united states. Nov 15, 2017 hello, id like to contribute to this forum three excel sheets of my design, nothing too fancy but thats what im capable of the first is a singly reinforced concrete beam one layer. However i am not finding any good detailed design guides to do thisnot much about hollow core slabs in the ec. Hollow core floor slabs are prestressed, precast concrete slabs usually utilised for strong, lightweight structural flooring.
The slab will generally be modeled as a grillage type structure with the longitudinal beam members represented by prestressed or rc beams also defined. Seaa hollow core structural engineers association of arizona, central chapter. Araujo, loriggio, and camara 3rd fib international congress. The hollow core slab module is intended for the analysis and design of hollow core slab with conventional reinforcements, prestress strands or combo for inservice condition. Milbank hollowcore floors also known as slabs or planks are prestressed concrete slabs with internal tubular voids, creating an efficient and lightweight plank that is far lighter than other floor slabs of equal thickness or strength. Load distribution factors for hollow core slabs with insitu reinforced concrete joints jongyoung song,1 kim s, elliott,2 ho lee,3 and hyogyoung kwak4 received march 16, 2009, revised may 6, 2009, accepted may 7, 2009 abstracts.
Precast concrete detailing bim software for modeling. The application and design of precast, prestressed hollow core slabs is similar to that of other. Design and typical details of connections for precast and prestressed concrete, second edition. May i know whether i can use this software to analysis and design hollow core slabs and. These can either be reinforced concrete cast in place voided slabs or hollow section precast units. The product is designed, manufactured and certified to en 12737 in our iso 9001. A stepbystep design procedure is given for composite beams using various forms of precast concrete units, with or without a concrete topping. Araujo, loriggio, and camara 3rd fib international congress 2010 pg5 hollow core slab with continuity exemple to demonstrate the analysis of hollow core slab with continuity will be presented in this item. The icf wall under study is in a typical fourstory residential building with prestressed precast hollow core concrete plank floor with a 2 inch concrete cast in place topping. Dont use the shear design its not complete with aci 31814 the second is a hollow core pretensioned slab analys. Design and detailing of untopped hollowcore slab systems for diaphragm shear. Since its establishment in 1988, hollow core concrete pty. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Can you guys help me finding text about good design phase for hollow core slabs.
Design of slab for flexure 067 m unit width of slab. Design of composite beams using precast concrete slabs. Pdf design analysis of prestressed hollow core slabs on. Dynamic and static behavior of hollowcore frpconcretesteel. The slab has to carry a distributed permanent action of 1. What is the best reinforced concrete design software. I am designing hollow core slabs with and without toppings according to the eurocodes. These elements are prestressed with pretension in a precast concrete plant. Retainwall is a software mainly developed for the purpose of designing a concrete or masonry retaining wall.
For additional explanations on using these tables, refer to the respective handbook editions. The uks leading manufacturer of prestressed hollowcore concrete floors. Reinforced concrete slab and beam design software adaptrc 2017 product overview an easytouse and learn software for the design, analysis, and investigation of reinforced nonprestressed concrete beams, beam frames, slabs and floor systems a must have production tool in every structural engineering office. A hollow core slab is a precast, prestressed concrete member consisting of continuous voids extending the full length of the slab. Hollow core is a prestressed concrete flat slab containing continuous hollow. Production ipha international prestressed hollowcore association. Reinforced concrete slab and beam design software adaptrc. Flooroffice, the complete and fully integrated software solution for hollowcore flooring and precast industries, supports all types of prefab floors. Saccoman, chairperson james beerbower ernest markle kevin boyle james markle jeffrey butler milo j. Prepared for the pci hollow core slab producers committee john e.