The simple bubbledeck is cast over the pre fabricated bubble lattice on traditional formwork. Therefore, the selfweight of the slab can be reduced. For flat plate voided slabs, an additional load case must be considered. Bubbledeck precast concrete slabs are suitable for use in all building types especially open floor designs such as commercial, educational and institutional buildings. As the slab is designed as simply supported, only anticrack reinforcement is needed. A construction method by eliminating concrete from the neutral axis of a floor slab that is structurally not performing, as a result dramatically reducing in dead weight. Drop in octagons, make a multilevel deck, add a staircase or wrap around stairs, and get a plan to submit for permits. Slab on metal deck analysis and design both composite and form deck per sdi and aci 31899. Normally the bubble deck framework consolidates the advantages of production line made. Easy incorporation of pipes, ducts etc in the slab.
Bubble deck slab seminar report, ppt, pdf for civil. We have learned a lot about bubble deck, design considerations, the way it is manufactured and installed. The model is analyzed by ansys software with appropriate support. Thanks for a2a, infact we have analyzed the structural behavior of a full scale bubble deck slab model in sap 2000, for full details about modelling and results you can please refer to structural behavior of bubble deck slab. The people at bubble deck can probably offer some guidance. The home depot outdoor projects diy deck, fence, garage. Understanding the concept of bubble deck civil engineering portal. Bubble deck slab is composed of three main materials they are steel, plastic spheres and concrete. The end result eliminates the use of concrete that has little carrying effect. Bubbledeck design guide for compliance with bca using as3600. Bubble deck slab system free download as powerpoint presentation. The guidance included in this report is based on the best practice for the design of bubbledeck derived through experimental data and practical expertise.
Analysis of bubble deck slab design by finite element method. High density polyethylene hollow spheres replace the ineffective concrete in the centre of the slab, thus decreasing the dead weight and. We have developed very efficient methods of creating panel shop drawings. Concrete slab also known as hollowcore slab bubble deck floor system is a revolutionary biaxial conrete floor system invented by jrgen breuning. Aug 05, 2018 bubble deck slab is a method of virtually eliminating all concrete from the middle of a floor slab, which is not performing any structural function, thereby dramatically reducing structural dead weight. The behaviour is exactly as for a solid deck, both for short and longterm situations. Tailor made slabs secures a smooth and simple erection. Materials steel the steel rinforcement of fy60 strength or higher. Architectural freedom, flexibility in design and use, fast and inexpensive, savings and environmental benefits.
Jun 14, 2014 frankly, i havent heard of this tech before i was a2aed on this. Specifically, the flexural moment capacity for both positive and negative strong axis moments, oneway beam shear, punching shear, and deflection are all. Design freedom flexible layout accommodating non rectilinear plan forms. Jul 27, 2017 the bubbledeck system virtually eliminates dead weight concrete from the middle of a floor slab by incorporating recycled plastic bubbles as a void. Bending stresses in the bubble deck slab are found to be 6. Deckslab is a spreadsheet program written in msexcel for the purpose of analysis and design of slabs on metal deck. Steady state heat transfer through composite slab ansys tutorial duration.
In comparative of conventional slab the volume of concrete in bubble deck continuous are less required, that is 25%. Bubble deck slab, bridge deck slab, finite element method. Structural behavior of bubble deck slab civil engineering. A bubble deck slab has a twodimensional arrangement of voids within the slabs to reduce selfweight. Also explore the seminar topics paper on bubble deck slab with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. These void formers are most commonly made of plastic such as highdensity polyethylene, and may use recycled materials. The bridge deck model was designed and analysis by the software in finite element analysis in the static analysis. Multistorey building in the future to develop constructions as flexible and generally applicable that they will be able to pick up changes in a time period reaching far into the next century. As a result bubbledeck slabs can be lighter, stronger and thinner than regular reinforced concrete slabs. Aug 01, 2018 thanks for a2a, infact we have analyzed the structural behavior of a full scale bubble deck slab model in sap 2000, for full details about modelling and results you can please refer to structural behavior of bubble deck slab. Bubbledeck slab obtains its high quality through the production of prefabricated units. Performance of structural behaviour of bubble deck slab.
I have done this in scia engineer but never in robot a. Bubbledeck is the patented integration technique of linking air, steel, and concrete in a twoway structural slab. Bubble deck slab types, material specification, installation, and advantages march 2020 bubble deck slab is a hollow, flat slab that spans in two directions, in which plastic balls are incorporated to replace, and therefore eliminate the. In bubble deck slab either can use steel balls or hollow balls will be. How to design a bubble deck slab in ansys 18 quora. The bubble deck technology is environmentally green and sustainable. At tek1, we are detailing bubble deck panels now for 4 years now. Design your own deck with our free online software. The bubbledeck system virtually eliminates dead weight concrete from the middle of a floor slab by incorporating recycled plastic bubbles as a. Frankly, i havent heard of this tech before i was a2aed on this. Get answers fast from autodesk support staff and product experts in the forums.
Hollow plastic balls are inserted into the slab and held in place by reinforcing steel. Design of bubbledeck slabs with the idat cad system. The bubble deck slab floor system can be used for storey floors, roof floors and ground floor slabs. Bubble deck slab is a method of virtually eliminating all concrete from the middle of a floor slab, which is not performing any structural function, thereby dramatically reducing structural dead weight. Analysis of bubble deck slab design by finite element method ijste volume 2 issue 11 104 2 deflection of bubble deck is 18% more than. This new prefabricated construction technology is recently. We have assembled a team of 10 detailers, who are shop drawing bubble deck panels with a high degree of knowledge, accuracy, and speed. Bubble deck slab system, filigree element, hollow spherical balls, hollow elliptical balls, deck, etc. If you need to plot the graph for the values you can use software like. Reinforcing mesh, top air bubble hollow ball made of non toxic plastic reinforcing mesh, bottom basic principle bubbledeck modulo bubbledeck panel. And the slab is one of the largest member consuming concrete. Apr 06, 2017 advantages of bubble deck slab weight reduction is 25% compared to solid slab.
This comparative study includes the study of normal slab and slab with hdpe spherical ball at center to form voids. This bubble deck slab is a process in which we remove the concrete from the middle of a slab. My question is how would be the best way to model these kind of slabs in robot. This concrete does not perform any structural functions.
Bubble deck slab uses hollow spherical or elliptical balls made by recycled plastic. Downloads bubble deck lighter flat slab technology. Explore bubble deck slab with free download of seminar report and ppt in pdf and doc format. We are in the process of updating and revising this design guide, which will shortly be uploaded to this web site. However, their voids are placed on the underside of the slab rather than embedded within the slab, leading to lower shear strength and fire resistance. Bubbledeck is generally designed using conventional design methods for solid slabs in accordance with current local standards of design and good practice. Since the weight of the structure reduced, this type of structure can useful to reduce earthquake damage. Design the deck of your dreams with our new deck design software. Bubble deck is based on a new patented technique the direct way of linking air and steel. New ways in concrete construction the biaxial hollow deck. Subsequent work is simplified due to flat soffits with no obstructing beams. Bubble deck concrete slab manmade materials concrete. All voided biaxial slabs incorporate an array of rigid void formers which contain air within the voids.
The results are shown for the deck thickness 230 mm type 1 and 455 mm type 2. The behaviour of bubble deck slabs is influenced by the ratio of bubble diameter to slab thickness. Pdf experimental and numerical investigation on structural. Where can one find bubble deck construction in india. It is basically a void in the middle of a concrete slab. Flat slab analysis and design free version download for pc.
Bubbledeck can make a big contribu tion towards achieving breeam targets. Deck designer software is a simple and easy to use menu driven system that can be used by anyone from the beginner homeowner to the professional deck builder. Bubbledeck north america llc advancing concrete design. Waffle slabs are a common type of hollowcore slab which use the same principle as voided biaxial slabs. This bubble deck slab is a process in which we remove the concrete from the. The end result eliminates the use of concrete that has little carrying effect while maintaining the twoway span biaxial strength. If you have any queries about applying the design guide to your project, please do contact us. The analysis and design follow the equivalent frame analysis method of the aci code, which considers a onebay wide strip of the floor system as a continuous frame. The bridge deck model was designed and analysis by the software in finite element analysis in the static analysis and the dynamic analysis of the solid slab as well as the bubble deck slab. Void formers inside the flat slab eliminates at least 30% of a slabs dead weight. Users should note that all bubbledeck publications and software are subject to revision from time to time and should therefore ensure that they are in possession of the latest version.
Instead of the concrete hollow spheres made of polythene are used in the centre of the slab. Hollow slabs are not strictly considered in the analysis, but some users manipulate the concrete properties and get acceptable results. The ultimate load value obtaining bending tests were upto. Numerical study of bubble deck slab using ansys international.
Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. High density polyethylene hollow spheres replace the ineffective concrete in the centre of the slab. Bubble deck slab seminar report, ppt, pdf for civil engineering. Understanding the concept of bubble deck civil engineering. Apr 30, 2012 bubble deck technology uses less concrete by filing the slab with beach balls this is a really clever idea that takes out all the stuff in the middle that you dont really need, and replacing it.
Introduction the method which replaces the concrete by recycled balls with less amount of concrete is known as bubble deck technology. The crosssectional area of the reinforcement above the ribs should be not less than 0. Backed by a team of software developers, we have done whatever we can think of to reduce errors and to crosscheck between cad files. Void formers in the middle of a flat slab eliminates 35% of a slabs selfweight removing constraints of high dead loads and short spans. Analysis of bubble deck slab design by finite element. A little background check on the biaxial bubble deck slab tells me that we could reduce the dead weight of concrete by atleast 20%, which is pret. Bubbledeck slab system concrete building engineering. Teklas software integrates design and detailing with fabrication and project management. The mesh is fabricated in two forms meshed for lateral support and digonal griders for vertical support of the bubbles. Lower structural dead weight enabling reduced foundation sizes. Bubbledeck biaxial hollow precast slab system youtube.
Both composite deck slabs and form deck slabs can be analyzed and designed for 3 different loading conditions. Bubble deck technology uses less concrete by filing the slab with beach balls. Sep 14, 2016 analysis of bubble deck slab design by finite element method ijste volume 2 issue 11 104 2 deflection of bubble deck is 18% more than the solid slab as the stiffness is reduced due to the. This slab design also can be checked in the ansys and do a study of. Bubble deck is a revolutionary method of virtually eliminating concrete from the middle of a floor slab not performing any structural function, thereby dramatically reducing structural dead weight. Bubbledecks advanced technology eliminates non structural concrete, so you can have up to fifty per cent longer spans between columns and no beams.
Bubbledeck has developed a slab edge technique that eliminates virtually all edge formwork and incorporates an integral safety rail and allows accurate setting of building envelope anchors precast anchors, curtain wall pockets, and threaded inserts to attach brick ledgers. Hi, i will start a new model for a 14 storey building in adelaide aus and the slab system is going to be bubbledeck slab with internal sferic void formers. Find out more about our bim software for precast fabricators here. Feb 14, 2019 bubble deck slab is a hollow, flat slab that spans in two directions, in which plastic balls are incorporated to replace, and therefore eliminate the. Elimination of downstand beams incorporated in slab depth where required. Test report biegung from the technical university of darmstadt germany enclosure a2. Concrete plays a major role in the construction field.
Elimination of cross bracing and intermediate supports. In the bubble deck slab, firstly the design of continuous bubble deck slab. In order to fully understand the previous research conducted on the bubble. Apr 08, 2017 the bubble deck slab floor system can be used for storey floors, roof floors and ground floor slabs. Bubble deck slab is a method of virtually eliminating all concrete from the middle of a floor slab, which is not performing any structural function, thereby dramatically reducing structural dead. Bubble deck technology uses less concrete by filing the slab. Bubbledeck design guide for compliance with bca using. Bubbledeck is compared to a solid deck both practically and theoretically. Deck slab design spreadsheet civil engineering community. Design software and found that flat slabs with spherical. Bubble deck technology uses less concrete by filing the. Composite beamslab robot structural analysis products.