It has been successfully applied to hollow core slab. Trailblazer 4 precast concrete industry 43,422 views 9. Hollowcore slab dwg detail for autocad designs cad. It suits for use at precast plants and design offices. This intelligent software reduces the slab cost per unit area with seamless integration to every part of the production process. I am designing hollow core slabs with and without toppings according to the eurocodes.
The slab modules are intended for the analysis and design of hollow core, solid and doubletee shaped precastprestressed slab with conventional reinforcements, prestress strands or combo for inservice condition. Maximum stockpile for 203 mm hollow core is 6 slabs, and for 305 mm is 4 slabs. Hollowcore is an extruded, prestressed concrete slab with continuous voids to reduce weight and cost. The hollowcore production process begins with the drawing and design of a floor layout within a building. Thank you for your interest in including spancrete products in your upcoming project. Prestress helps you analyze and run calculations on many types of prestressed concrete elements including hollow core slabs. What types of bearing systems are used with a hollow core system. The third edition of the manual has added hollow core wall panels and is updated to aci 31811, pci 7th edition design handbook and 2012 ibc. Concise beam will perform a load analysis and design checks in accordance with the latest edition of aci 318, csa a23. Nov 15, 2017 the second is a hollow core pretensioned slab analysis using pci to check the stresses limits, design strength and m crack the third excel is an analysis method for seismic design of reinforced concrete water containing structures. This software tool helps demonstrate the passive design principles of buildings to nonspecialists, and enables key design variables such as orientation.
The fire rating classification shall be calculated by rational means in accordance with chapter 9. Pdf design analysis of prestressed hollow core slabs on. Impact design provides the tools you need to implement a bim workflow in your detailing department. Manual for the design of hollow core slabs 2nd edition. This is then translated into a production plan for the factory to maximise efficiency and minimise waste. Prepared for the pci hollow core slab producers committee john e. Hollowcore slab details drawing labels, details, and other text information extracted from the cad file translated from spanish. I, of course, want to be able to check everything for these slabs, initial condition, liftingtransport conditions, long term conditions, topping or no.
The design basis is generally in accordance with bs 59503. The design handbook shows cross sections and section properties of proprietary hollow core slabs along with load tables for uniform. At this stage, design loads are used to calculate the depth and wire patterns of the slabs, depending on the spans required. Hollowcore slabs have excellent span capabilities, achieving a capacity of 2. Use of precast hollow core slabs in high rise buildings. Cadeon slab sa a powerful and easytouse design software for hollow core slabs and structural analysis and strength calculation. Hollowcore slabs can be installed quickly and safely onsite in variable weather conditions, unlike insitu concrete. Lafarge precast edmonton produces prestressed precast slabs that can support vehicles over the garage floor span creating a wonderful dual level garage. Threepieces expanding sleeve of maximum expansion provides optimal load and safety of use in any substrate. Precast hollowcore concrete hollow core concrete planks.
Zeroslump, highstrength concrete with a 28day strength in excess of 8,000 psi and. Precast prestressed hollow core slabs consist of composite, uniaxially stressed non. Design shall be in accordance with aci 318 and applicable codes. Saccoman, chairperson james beerbower ernest markle kevin boyle james markle jeffrey butler milo j. It lets you manage every aspect of your precast concrete detailing, 3d modelling and even provides tools for rough planning and erection planning through the integrated project manager whether your precast software of choice is bricscad, autocad, or revit. Fire resistance of assemblies made with hollow core slabs 7. Floorcad is the software of choice for the design, layout, production and dispatching of precast concrete slabs.
Rational design of hollow core planks for fire resistance. The design of hollow core slabs is governed by aci 3182 requirements. Preconslab is a software tool to design and analyze prestressed or reinforced concrete flooring systems. Design and analyze prestressed or reinforced concrete. Item detail mnl126 manual for the design of hollow core. Hollow core slab building and solid slab building have been analyzed for seismic zone iv based on analysis and design results, quantity of steel and quantity of concrete required are calculated and compared. The hollow core slab is manufactured in a standard 4 width and 8, 12, and 12. I use tekla educational, can it be a reason, why my catalog of profiles isnt complete. Download your reinforcement strand calculation demo from the link below. I can use tt slab for example, but hc slab doesne exist. The second is a hollow core pretensioned slab analysis using pci to check the stresses limits, design strength and m crack. Mar 23, 2015 what sizes of hollow core slab are available.
Concise beam is an easy to use program for the design of precast concrete beams. Key code parameters can be customized to simulate other design codes. Floorcad hollow core flooring hollow core flooring software. Adobe acrobat reader is free and can be downloaded here. Guide specification for precast, prestressed hollow core slabs. Araujo, loriggio, and camara 3rd fib international congress. Hollowcore is a prestressed concrete flat slab containing continuous hollow voids that run throughout its length. Additionally hollowcore slabs are checked against en1168, while tbeam systems are checked against en15037. Slabs arrive onsite with a smooth prefinished soffit. This manual presents in detail design of hollow core slabs for gravity and lateral loads. It is primarily used as a floor and roof deck system. Over the past four decades, hollow core plank system.
Full operation of precast hollow core slab machine shuangli building materials equipment co. Download load tables for spancrete hollowcore in the following categories. Hollow core slabs are cast usingvariousmethodsinthesevenmajorsystems availabletoday. The floor layout of hollowcore slabs in a building is designed using 3d cad software. Our precast hollowcore slabs are significantly lighter when compared to solid precast concrete floor slabs. The floor layout tool for slab plate that represents a concrete structure in tekla structures, a slab is created by picking three or more points.
As an example the hollow core slab floor of figure 7 is analysed. An understanding of the methods used to manufacturehollowcoreslabswillaidinthespecial considerations sometimes requiredin theuse of hollow core slabs. Users of our impact design software can also benefit from the full integration of hollowcore calculations whilst detailing hollowcore floor layouts in 2d and now full 3d in the impact project manager. These can either be reinforced concrete cast in place voided slabs or hollow section precast units. The third excel is an analysis method for seismic design of reinforced concrete water containing structures. The prestressing layers was designed by an iterative process to support the loads shown in tab. The design value of the compressive strength of the concrete is 39 mpa and the design value of the tensile strength is 2. Yes, autodesk structural bridge design can be used to analyse and design hollow core slabs. A large opening in a hollow core slab floor a computational method for homogenisation of plate stiffness properties has been developed by a.
Oct 11, 2016 structural bridge design is intended to be used for the structural analysis and design of bridges to bs5400, eurocode 2, aashto and as5100, but the methods are generally very similar to those for buildings so with a little bit of engineering judgment it may be possible to use the software to carry out the calculations for hollow core slabs. It provides the solution for a simply supported slab with two overhangs one on either side of the support for different loading conditions viz. 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. These benefits allow much faster completion of flooring and quicker erection of buildings, increasing profits for the contractor. This intelligent software reduces the slab cost per. Precast concrete hollow core floor slabs hollow core slabs are precast, prestressed concrete elements that are generally used for flooring. Precast residential hollowcore garage lafarge precast. I am designing a hollowcore slab cantilever 7 foot out. Aug 22, 2019 andreas sandell, production manager at skandinaviska byggelement, tells about the benefits theyve received from digitalization of their hollowcore slab production management. The selected slab type is n200 produced by dycore, oosterhout, netherlands fig. Benefits of using hollowcore concrete light weight. Units are installed with or without a structural screed, depending on requirements.
Structure designing of hollow core slab in concise beam software. Shear capacity of hollow core slabs on flexible supports. Owners, contractors, architects, and engineers will discover that hollow core building systems. Point, udl and point torsion dead and live loads with straight. Pci manual for the design of hollow core slabs and walls, 3rd edition free pdf download mnl12615 this manual presents in detail design of hollow core slabs for gravity and lateral loads. Mnl126 manual for the design of hollow core slabs free pdf. Connector hollow core slab on steel structure duration. Special check of hollow core slabs for shear, splitting, shear and torsion, support conditions and punching according en 1168 in addition to en 199211 and. Hollowcore slabs with castinplace concrete toppings. Araujo, loriggio, and camara 3rd fib international. This can then be translated into a production plan for the hollowcore factory.
Pci manual for the design of hollow core slabs second edition by donald r. Thus hollow core slab building shows better performance when compared to solid slab building. In order to view pdf documents, you must have adobe acrobat reader installed. Reinforced concrete seating details of hollow core floor systems c. Hollow core slabs are economical, have good fire resistance and sound insulation properties, and are capable of spanning long distances with relatively shallow depths. After having the base for factory digitalization, it is easy to start digitalizing other processes. Dxf files can be imported directly into many common cad programs. Mar 24, 2017 hollow core panels design idea statica. Point, udl and point torsion dead and live loads with straight strand profiles.
Posted on march 1, 2018 trevor patrick posted in hollow core planks, hollowcore, precast concrete floor systems this precast hollowcore garage floor provides a solution for residential homes. Details are available in both adobe acrobat reader pdf and cad dxf format. Loads and supports defined in the model are sent to prestress along with section data, returning key results straight into the drawing. This unique product is strong, durable, and allows for significant floor loading and clear spans. Download specifications about spancrete hollowcore for use in the preparation of specifications for a particular project. Floorcad hollow core flooring hollow core flooring. The use of hollow core or solid plank precast units offer benefits in terms of cost the long spanning capabilities of the precast slabs lead to fewer secondary beams as well as the advantages offered by composite construction. Flooroffice world leading software for the precast industry. I think i should design the bending strength of the section at cantilever for 1. I use tekla educational, can it be a reason, why my catalog of profiles isnt completed.
These elements are prestressed with pretension in a precast concrete plant. Impact design handles the following precast element types. The usage of the building and loads applied will determine the depth, prestressed wire patterns and span of the slabs. Hollow core slab details drawing labels, details, and other text information extracted from the cad file translated from spanish. Calculating prestressed hollow core slabs dlubal software. Also known as voided slabs, precast slabs, hollow core planks or concrete planks, hollow core concrete is a cost effective material which is a popular choice when constructing multistorey buildings. All other loads specified for hollow core planks where applicable.
Installation hollow core slabs are to be located and installed in accordance with expocrete drawing. Flooroffice, the complete and fully integrated software solution for hollowcore flooring and precast industries, supports all types of prefab floors. The cores also have a benefit in sustainability terms in reducing the volume of material used. Bim building information modelling gives architects, engineers and contractors the ability to design, plan, construct and maintain buildings more efficiently. They reduce the number of workers needed onsite and provide an immediate unpropped working platform. All hollow core planks can be ribbed to fit your exact project requirements. Production international prestressed hollowcore association. This encon hollowcore residential design manual has been designed to illustrate the many ways in which hollowcore precast concrete can function as a multipurpose building system or as an integral component of a building system. I wanted to use hollow core slab in my project, but unfortunately i cant find any in my catalog. The cores can function as service ducts and significantly reduce the selfweight of the slabs, maximising structural efficiency.
The slab will generally be modeled as a grillage type structure with the longitudinal beam members represented by prestressed or rc beams also defined explicitly within the. Coreslab structures precast concrete building solutions. Chapter 3 preliminary design of precast prestressed concrete structures 332 3 pci design handbookseventh edition strand pattern designation 76s. Hollow core precast concrete has continuous voids that run longitudinally throughout the planks. A complete revision of the diaphragm chapter includes the latest design information. However i am not finding any good detailed design guides to do thisnot much about hollow core slabs in the ec.
Chapter 2 of the pci design handbook3 provides information on dimensions, section properties, and loadcarrying capacities of hollow core slabs. This can then be translated into a production plan for the hollowcore. Hollowcore slabs conform to the current edition of csa and cpci related standards. If you want to grow your business without complex overpriced software packages, contact us today. Keep the dunnage accurately aligned from slab to slab. Hollowcore is an ideal building material as it is lighter in weight and lower in cost than conventional castinplace concrete. Modelling hollowcore slabs in general a cladding is to be used only for load transfer from a given area to supporting elements. Production ipha international prestressed hollowcore association. Reinforced concrete seating details of hollowcore floor. Popular applications for hollow core are floor and roof deck systems. Design of composite beams using precast concrete slabs. The manufacturing process ultraspan is a machineextruded, precast, prestressed hollowcore plank. Can you guys help me finding text about good design phase for hollow core slabs.
Common depths of prestressed hollow core slabs range from 6 to 10 in. Hollowcore slabs derive their name from the voids or cores which run through the units. Complete and integrated software for precast flooring. Design analysis of prestressed hollow core slabs on flexible support, publisher.
Apr 20, 2020 structure designing of hollow core slab in concise beam software. The concrete hollow core slabs have between four and six longitudinal cores running through them, the primary purpose of the cores being to decrease the weight, and material within the floor, yet maintain maximal strength. All calculations are performed according to eurocode 2, in conjuction with national annexes. Along with being significantly easier to lift and handle during. Made to match the requirements of the end user, prestressed hollowcore is designed using 3d cad software, and manufactured offsite under factory controlled conditions. The materials and design process used to create taracon precasts hollowcore precast concrete slabs and floor panels make them naturally highly resistant to sound transfer. 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. This encon hollow core building system design manual has been designed to illustrate the many ways in which hollow core precast concrete can function as a multipurpose building system or as an integral component of a building system. The longspan capability is ideal for offices, retail or car park developments. Hollowcore is very economical and provides great design flexibility. Since 1975, we have been a premier producer of precastprestressed concrete products. It suits for use at precast plants and design offices alike. For use in cracked and noncracked concrete eta option 1, hollow core slabs, flooring blocks and ceramics.
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