Sizes and locations of these openings are to be provided to the manufacturer by the respective trades. Hollow core slabs are cast usingvariousmethodsinthesevenmajorsystems availabletoday. Manual for the design of hollow core slabs second edition by donald r. The voids in each slab usually have a diameter that is equal to approximately 23 to 34 of the slab section, while the thickness of each plank. The applicability of bim technology depends completely on the precast product, says cal van ooyen, vice president of engineering, kerkstra precast inc. However i am not finding any good detailed design guides to do thisnot much about hollow core slabs in the ec. Hollow core plank, prestressed hollow core slab, precast. Precast hollow core plank is prestressed concrete, primarily used for floor and roof decks in multifamily or hotel buildings. The hollowcore production process begins with the drawing and design of a floor layout within a building. Simple user friendly input screens along with graphical and text outputs make this software. Construction load tables colony precast concrete llc. Download free, highquality cad drawings, blocks and details of precast concrete organized by masterformat. I know that some revit users always use the beam tool to draw hollowcore planks designing a floor system. The slabs are typically 4 feet wide with standard thicknesses of 8 and 12.
Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. No other building system accommodates creativity and practicality like spancrete hollowcore floor and roof building systems. This bundle contains all 32 pcirecommended hollowcore details. The usage of the building and loads applied will determine the depth, prestressed wire patterns and span of the slabs. Plank thicknesses vary depending on the span and load on the panels.
Create a hollow core type family revit products 2018. Milbank hollowcore floors also known as slabs or planks are prestressed concrete slabs with internal tubular voids, creating an efficient and lightweight plank. Our prestressed hollowcore slabs, also called hollow core planks, concrete planks or voided slabs, are available in a variety of lengths and thicknesses. Section 03 41, precast concrete hollow core planks subject. Jun 24, 2014 floorcad for hollowcore precast slabs floorcad. Footings, do they need to be beefed up for the weight of the concrete. I am designing hollow core slabs with and without toppings according to the eurocodes. Production ipha international prestressed hollowcore. Common applications include multifamily housing, multistory buildings, singlefamily residences, schools, and more. Precast hollowcore plank offers an attractive overhead exposed finish, with excellent fire rating, low sound transmission, thermal resistance, all weather construction, and long support spans when compared to conventional construction. Hollowcore is very economical and provides great design flexibility. Floorcad hollow core flooring hollow core flooring.
Floorcad is the software of choice for the design, layout, production and dispatching of precast concrete slabs. Jan 07, 2020 impact drawing precast hollowcore in revit. Hollow core plank mid south prestress is the largest producer of precast hollow core plank concrete in the midsouthern united states. Precast hollow core plank construction can take many forms.
Building with precast hollow core plank tocci building. An understanding of the methods used to manufacturehollowcoreslabswillaidinthespecial considerations sometimes requiredin theuse of hollow core slabs. Hollowcore is primarily used as a floor and roof deck system and hollowore has many innate qualities such as being durable, noncombustible, mold and mildew proof, along with providing acoustical and. Smart floors shows the units according to the project units so you can change the. Prepared for the pci hollow core slab producers committee john e. Additional detailing of the slabs, such as cutouts, narrow width units and shelfangles, are all carried out in the production environment. The simpson strongtie hollow dropin anchor hdia is an internally threaded, flushmount expansion anchor for use in hollow materials such as cmu and hollowcore plank, as well as in solid base materials such as brick, normalweight and lightweight concrete. To accommodate service voids and column notches, the hollowcore can be preformed to individual requirements. Hollowcore is an extruded, prestressed concrete slab with continuous voids to reduce weight and cost. In some areas the planks end at an angled wall however there doesnt seem to be a way to modify the end of the plank to an angle as well. How to use precast hollow core segmentation with a revit file. Automatic shop drawings draw entire floor areas at once ready for planning send directly to hollow core plotters, saws, modifiers etc. However, we are all familiar with the hot, humid summers and the cold, wet winters of the midatlantic region.
Again, the location and size of these openings should be provided to the precaster during the shop drawing phase so that the plank. 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. Cpac hollow core slab is applicable for ordinary buildings, large buildings, and factories. Hollowcore is an extruded prestressed concrete slab with continuous voids to reduce weight and cost. Precast concrete detailing bim software for modeling. Floorcad software solutions for precast hollowcore. Made to match the requirements of the end user, prestressed hollowcore is designed using 3d cad software, and manufactured offsite under factory controlled conditions. Smart floors shows the units according to the project units so you can change the floor system units from metric to imperial if you need. Hollow dropin internally threaded anchor simpson strongtie. Serving as a combined deck and ceiling system, the planks erect quickly to. Voids do not update when the width of the hollow core slab is modified.
Hollow core plank is an excellent option for residential, commercial, and industrial buildings of any size. A structural topping can increase that up to a 4hour rating. Impact revit hollow core slab precast concrete software. The continuous hollow cores help to add structural stability while also reducing the amount of material, which ultimately reduces weight and overall cost. Run the numbers and estimate your next project in oldcastle precast hollowcore plank. This can then be translated into a production plan for the hollowcore factory. Residential construction is an ideal application for hollowcore plank.
The hollow core imperial attached family can now be. Hollowcore slabs from gulf precast are used horizontally in all type of structures such as villas, buildings, commercial and industrial structures, hotels, schools, shopping centers. Knightcore hollowcore plank is a precast, prestressed, concrete plank manufactured by a precision, extrusion process, from zero slump concrete providing. This dynamic cad model can be used in your structural design cad drawings. Since 1975, we have been a premier producer of precastprestressed concrete products. We are a precast firm that makes hollow core in 8, 10. The hollow cells are space and cost savers as they can be used for heating and airconditioning ducts, exhausts to the outside, electrical wiring and piping. Hollow core technical sheets should be used for guidance only and consultation with hollow core concrete should be made prior to proceeding.
Download the hollowcore flooring technical manual published by the national precast concrete association of australia to see typical details, design information and other information relating to this exciting building product. Cad computer aided design works just fine for hollowcore. Coreslab structures precast concrete building solutions. Bgc precast manufacture hollowcore planks to a standard width of 1. Over the last four decades, we have emerged as a major supplier of structural, architectural and hollow core solutions to markets in canada and the united states. Precastprestressed concrete technical information molin. Using an extruded process, hollow core plank or hollow core slab is a plantmanufactured prestressed concrete slab with continuous cores, or voids, which considerably reduces weight up to 50% compared with a pouredinplace flat slab and cost. Using an extruded process, hollow core plank or hollow core slab is. Continuous voids in the planks reduce their overall weight and help keep building costs in check.
This intelligent software reduces the slab cost per unit area with seamless integration to every part of the production process. Hollowcore load tables check out the various load charts designed by the team at colonial precast concrete llc. Because it is made of concrete, hollowcore plank requires very little or no maintenance. They may even be used vertically, as wall panel partitions, in industrial structures or in boundary walls. Hollowcore is an efficient and economical choice for various climates and unique project applications that demand high load capacities, long spans and shallow working spaces. Simpson strongtie anchor systems manufactures a full array of anchoring and fastening products for concrete and masonry including adhesives for anchoring threaded rod and rebar, mechanical. Made to match the requirements of the end user, prestressed hollowcore is designed using 3d cad software. Description download this free 2d cad block of a dynamic hollow core concrete block. Largely because of fast onsite construction, bison hollowcore floors are one of the most economic flooring solutions for the widest variety of situations including masonry, steel and concrete structures. Bim building information modelling gives architects, engineers and contractors the ability to design, plan, construct and maintain buildings more efficiently. Hollowcore slab dwg detail for autocad designs cad.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. 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. Small openings are typically core drilled in the field by the trade plumbing, electrical, etc. Short video describing the major benefits of the floorcad software package for design, transport and production. Extrusion hollow core slab planks panels roofing flooring walls external walls production video duration. The uks leading manufacturer of prestressed hollowcore concrete floors. For example, we produce hollowcore planks, a product that is essentially 2d.
How to apply hollowcore panels as a floor type in revit. Savings in cost and time will keep your project on time and under budget. I have tried using the command in revit structure 2008, but it will not cut the hollow core plank. Hello, is there a way to modify the shape of hollow core planks. I want to show a detail in revit structure with a couple of the cells open and grout filled in the area. Browse companies that make precast concrete hollow core planks and view and download their free cad details, revit bim files, specifications and other content relating to precast concrete hollow core planks. Hollow core concrete concrete acoustic noise barriers. Try this extension for revit and accelerate your design process. Review load tables, details and specs of spancrete precast hollowcore for use in specifications for an upcoming project. Dxf files can be imported directly into many common cad programs. However, my colleagues and i have noticed that beams are not good solution for hollowcore panels. Vcon hollow core precast concrete slab is prestressed with p. Hollowcore plank gives the owner service for the entire life of the building. How far has bim come in the precast concrete industry.
Can any one with experience in the hollow core flooring please share the positive and negative using this method with icf walls. There is the potential for problems due to water infiltration and subsequent freezethaw damage in the hollow cores when used in an external application. Longtime cambers include superimposed dead load but do not include live load. Hollow core flooring software floorcad hollow core. We also do precast columns, beams, and wall panels. In my model, i have laid out several planks side by side. Voids do not update when the width of the hollow core. A series of core drills may inadvertently cut consecutive. Technical information molin concrete product companys certified prestressedprecast concrete products are available in a wide range of sizes and designs in order to meet the specific needs of your project. The product is made from no slump concrete with modern technology. Can you guys help me finding text about good design phase for hollow core. Large openings may require steel trimming supports.
As you can see, using smart floors you can create a hollowcore profile and easily apply this to a floor type. This can then be translated into a production plan for the hollowcore. How to use precast hollow core tool with an imperial units project. Ultraspans hollowcore extruder technology uses a concrete mix that produces a high quality slab with an optimal watercement ratio. Sep 17, 2014 how to apply hollowcore panels as a floor type in revit projects. Revit how to use precast hollow core tool with an imperial. Hollowcore commercial applications county materials. This intelligent software reduces the slab cost per unit area with seamless integration to every. Drawing labels, details, and other text information extracted from the cad file translated from spanish. Internal wall with hollow core plank both sides has cad. Plans locating and defining all hollow core planks furnished by the manufacturer with all castin openings shown and located.
Hollow core seems to be the most economical method. Saccoman, chairperson james beerbower ernest markle kevin boyle james markle jeffrey butler milo j. Details are available in both adobe acrobat reader pdf and cad dxf format. It is primarily used as a floor and roof deck system. All, my company is in the process of switching from a 2d autocad 20 mech.
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