Void formers inside the flat slab eliminates at least 30% of a slabs dead weight. Bubble deck slab system, filigree element, hollow spherical balls, hollow elliptical balls, deck, etc. Frankly, i havent heard of this tech before i was a2aed on this. This paper presents a study on the properties and advantages of bubble deck slab system. Sep 03, 2011 reinforced concrete effective span centretocentre distance between supports longer dimension of a rectangular panel of slab for yield line calculations modular ratio esec design bending moment per unit width of slab modified to account for axial load moment per unit width about xaxis moment per unit width about yaxis. Throughout this 77,000 ft 2 building an entirely flushsurface 280 mm bubbledeck was applied resulting in lower building cost and simplified construction of the flooring system, which contain large open areas for views up into the roof. The crack pattern was similar to the crack pattern of solid decks. Issn 2348 7968 a study on behavior of bubble deck slab. Apr 30, 2012 bubbledeck is a really clever solution to this problem. What is the difference between a deck slab and a solid. The electrical services are being installed just prior to pouring the concrete. Bubbledeck cobiax voided slabs modelling 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.
According to the way loads are transferred to supporting beams and columns, slabs are classified into two types. Hollowcore slabs, also known as voided slabs, initially appeared as oneway elements in europe during the 1950s, and are still commonly manufactured in precast form for. Bubbledeck slab system free download as powerpoint presentation. The mesh is fabricated in two forms meshed for lateral support and digonal griders for vertical support of the. Composite behaviour of headed stud shear connectors. Bubble deck slab system free download as powerpoint presentation. Biaxial hollow slab with innovative types of voids. Tests were conducted with bubbledeck slabs of 230 and 450 mm. Punching behavior of bubbledeck type reinforced concrete. The bubbledeck floor system can be used for storey floors, roof floors and ground floor floors. Bubble deck slab the best solution for above two problems is bubble deck slab bubble deck slab is a biaxial voided concrete slab in which high density polythene hollow spheres replace the ineffective concrete in the centre of concrete slab.
The bubbledeck type slab bd is a reinforced concrete rc flat slab that includes recycled plastic hollow spheres rphs in its core for decreasing its dead weight. Structural behaviour of bubble deck slabs and its application. 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. Further on bubbledeck floors can also replace a substantial percentage of the hollow core slab floors which, in the netherlands, are used in a volume of approximately 9. Materials steel the steel rinforcement of fy60 strength or higher. Bubble deck slab uses hollow balls made by recycled plastic and therefore it is an innovatory method of virtually eliminating the concrete part in the middle of conventional slab which does not contribute to the structural performance. 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. Mar 06, 2015 bubble deck slab using pvc materiel to increase the strength of the slab. Economy of construction is obviously an important consideration, but this is a qualitative argument until specific cases are discussed, and is a geographical variable. Tech thesis, mit, 2009 this paper summarizes that that the bubbledeck technology is more efficient than a traditional biaxial concrete slab in an office floor system, citig various advantages over conventional slabs. Bubbledeck slab system concrete building engineering. Bubbledeck is compared to a solid deck both practically and theoretically.
Lakes environmental slab view emergency release dense. Bubbledeck is a precast concrete floor system which makes floor slabs lighter and stronger by incorporating large, hollow plastic balls in a lattice of steel. Bubble deck slab seminar report, ppt, pdf for civil engineering as a voided biaxial slab with spheres only acts like a solid slab, the fire resistance is just a matter of the amount of concrete layer. Pdf bubbledeck is the invention of jorgen bruenig, who devised the first. The composite slabs are made of bubbledeck type slab elements with spherical gaps, poured in place on transversal and longitudinal directions.
Bubbledeck slab elements are plates with ribs on two directions made of. Indicative spans, based on our standard grade 30 concrete cube strength as guide to what can be achieved. In view of the results so far achieved, twoway bubbledeck slabs act. The appropriate bubbledeck slab version is engineered to suit building configuration, span length between supports, applied loading and vertical alignment of supports. Bubbledeck is the patented integration technique of linking air, steel, and concrete in a twoway structural slab. Bubbledeck design guide for compliance with bca using as3600. The results showed deformation, cracking and failing characteristics of slabs subj ec td o aic gr vi o nl d g. Main paper neeraj tiwari1 sana zafar2 1,2madan mohan malviya university of technology, gorakhpur abstractthe bubble deck slab is a newly designed slab made by reinforcement mesh, hollow hdpe ball, reinforcement mesh again at bottom.
Bubbledeck is a really clever solution to this problem. The bubbledeck slab sample was subjected to static loadings. 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. 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 end result eliminates the use of concrete that has little carrying effect while maintaining the twoway span biaxial strength. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Pdf structural behavior of bubble deck slab researchgate. In case of a viaduct or flyover built with precast box girders with po. Highdensity polyethylene hollow spheres replace the ineffective concrete in the center of the slab, thus decreasing the dead weight and increasing the efficiency of the floor. The application of the bubbledeck floor system in the netherlands is manifested as the worldwide first application. Pdf bubble deck slab is a method of virtually eliminating all concrete from the. The slab model is an atmospheric dispersion model for denserthanair releases. Bubbledeck is intended to be a flat slab,two way spanning slab supported by columns.
Boot and cobiax, however it has its distinct advantages. Bubbledeck design guide for compliance with bca using. The results are shown for the deck thickness 230 mm type 1. The slab is very important structure member in building and slab is one of the largest member consuming concrete.
Where can one find bubble deck construction in india. The load acting on the slab is heavy or clear span between columns is more, the slab thickness is on increasing. Bubble deck slab seminar report, ppt, pdf for civil. Plastic balls serve the purpose of eliminating concrete which has weight but no carrying effect. Bubbledeck construction sdn bhd building more for less. By reducing the weight of the slab without compromising its structural strength, it is possible to create a thicker slab to support more weight over a longer span. Abstract the bubbledeck type slab bd is a reinforced concrete rc flat slab that. Assistant professor,department of civil engineering, mbits. 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.
Abstract the bubbledeck type slab bd is a reinforced concrete rc flat slab that includes recycled plastic hollow spheres rphs in its core. The bubbles are placed in modules of top and bottom steel and are effectively held in place. Bubbledeck cobiax voided slabs modelling 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. Sep 05, 2017 bubbledeck biaxial hollow floor slab system, a technology that increases large span lengths and makes floors lighter by reducing the weight while maintaining the performance of reinforced concrete. However, punching capacity of bd slabs can be a critical aspect, thereby this work is devoted to assess experimentally its punching behavior. Bubbledeck international as bdi exploring optimizes the bd technology.
Slabs are usually used in floor and roof construction. The new prefabricated construction technology using bubbledeck slab is. The mesh is fabricated in two forms meshed for lateral support and digonal griders for vertical support of the bubbles. Reinforced concrete effective span centretocentre distance between supports longer dimension of a rectangular panel of slab for yield line calculations modular ratio esec design bending moment per unit width of slab modified to account for axial load moment per unit width about xaxis moment per unit width about yaxis. Find, read and cite all the research you need on researchgate. The new prefabricated construction technology using bubbledeck slab is recently.
Lakes environmental slab view emergency release dense gas. Bubble deck technology uses less concrete by filing the. Bubbledeck north america llc advancing concrete design. Bubble deck concrete slab manmade materials concrete.
A study on behavior of bubble deck slab using ansys rinku john. Bubble deck slab using pvc materiel to increase the strength of the slab. Mar 02, 2016 bubble deck slab the best solution for above two problems is bubble deck slab bubble deck slab is a biaxial voided concrete slab in which high density polythene hollow spheres replace the ineffective concrete in the centre of concrete slab. Slab view is a graphical user interface for the slab model. The appropriate bubbledeck slab version is bespoke engineered to suit building. Bubbledeck is a biaxial voided concrete slab product that was developed in the 1990s by danish engineer jorgen breuning. A bubbledeck floor is a flat slab floor, therefore without beams and column heads. In 2017 the bubbledeck system caused controversy due to the collapse of a parking garage at eindhoven airport in the netherlands. Bubbledeck slab pdf the composite slabs are made of bubbledeck type slab elements with. It leads to consume more material such as concrete and steel, due to that the self weight of slab is increase.
The modules are then placed on conventional formwork, and the slab is poured in two parts. 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. Introduction to bubbledeck bubbledeck is a prefabricated structure with superior characteristics to solid slab. To ameliorate this, the slab may be cast in multiple layers so that the mesh is initially anchored and is then able to restrain the voids from floating upwards in later pours. 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. The test results are summarized in the following graph. Bubbledeck is a slab system that has become very popular in europe and around the world in the past decade. From a constructive point of view, the bubbledeck floor system can completely replace the entire volume of this application. This project used a total of about 2,500 sqm of bubbledeck, a mix of slab depths bd280 and bd340. 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 can be implemented as one of three alternatives. Concrete slab also known as hollowcore slab bubble deck floor system is a revolutionary biaxial conrete floor system invented by jrgen breuning materials steel the steel rinforcement of fy60 strength or higher. The appropriate bubbledeck slab version is engineered to suit building configuration, span length between supports, applied loading and vertical.
Punching behavior of bubbledeck type reinforced concrete slabs. The bubbledeck system was also nominated for the european environmental prize for sustainable development. Explore bubble deck slab with free download of seminar report and ppt in pdf and doc format. The behaviour is exactly as for a solid deck, both for short and longterm situations. Insitu application bubbledeck slabs can be constructed as insitu slabs. Lakes environmental slab view is an ideal tool to predict hazardous zones and potential impacts of accidental releases, using the atmospheric dispersion model for denserthanair releases. What is the difference between a deck slab and a solid slab. R s o sugg et th aprfo m nce be iov dy tr l sph er ic al b ll e y using ow t for btt r lo ad ear ing cp ty bubb d k. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Bubble deck technology uses less concrete by filing the slab. The term deck slab is mainly related to bridge engineering, where the slab acts as a deck or carraigeway for the vehicles to commute. Lighter stronger precast concrete floor slabs bubbledeck.
The ultimate load capacities for bubbledeck slabs having bubble diameter to slab thickness of 0. Abstract the invention of a new type of hollow core slabs was a breakthrough at the turn of 20th and 21st centuries. Bubble deck technology by gayathri rajendran on prezi. Schematic design basic principle as a general guide for project scoping purposes the maximum achievable spans for each bubbledeck slab depth is usually determined by deflection limitations. Architectural freedom, flexibility in design and use, fast and inexpensive, savings and environmental benefits.
Bubble deck is a really clever solution to this problem. Bubbledeck slab uses hollow spherical balls made by recycled plastic and. Bubbledeck can reduce construction material weight up to 50%. The technology is similar to other modern voided slabs such as u. Bubbledeck biaxial hollow floor slab system, a technology that increases large span lengths and makes floors lighter by reducing the weight while maintaining the performance of reinforced concrete. Flat slab analysis and design free version download for pc. Cetco offers a variety of standard details in both autocad. Bubbledeck floors eliminate up to 35% of concrete from suspended slabs. Tina lai structural behavior of bubble deck slab and their applications to lightweight bridge decks, m. Bubbledeck has successfully completed some of the wellknown buildings around the world. The bubbledeck slab is a revolutionary biaxial concrete floor system developed in. Reinforced concrete slab and beam design software adaptrc. Bubble deck slab seminar report, ppt, pdf for civil engineering. To sti m ae h ou nt f cr v d a resu l t of p hi cab ll ntr du n of the slab.
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. This showcases some projects that we have done so far. The bubbledeck slab is a revolutionary biaxial concrete floor system developed in europe. Concrete slab also known as hollowcore slab bubble deck floor system is a revolutionary biaxial conrete floor system invented by jrgen breuning. The results are shown for the deck thickness 230 mm type 1 and 455 mm type 2. Slab earthquake depths maps the following figures describe the average difference in depth between the computed 3d slab surfaces, and the earthquakes used to construct each surface.
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