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 with air. In this slab system,the bottom of the slab is furnished with a precast concrete layer on which the building. 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. The use of voided slabs leads to decrease the consumption of materials and improve the insulation properties for enhancing the objectives of sustainability. Function of the diameter of the bubbles that are used, the total height may be.
Review paper on bubble deck slab ignited minds journals. Plastic balls serve the purpose of eliminating concrete which has weight but no carrying effect. During the latter stages of construction the builder was. The electrical services are being installed just prior to pouring the concrete. 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. The mesh is fabricated in two forms meshed for lateral support and digonal griders for vertical support of the. Bubbledeck the first project using bubbledeck technology.
Bubbledeck news construction projects and developments. Bubbledeck slab system concrete building engineering. Bubble deck slab system free download as powerpoint presentation. Bubbledeck slab system free download as powerpoint presentation. 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. Tech thesis, mit, 2009 this paper summarizes that that the bubbledeck technology is more. Indicative spans, based on our standard grade 30 concrete cube strength as guide to what can be achieved. Assistant professor,department of civil engineering, mbits. 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. Void formers inside the flat slab eliminates at least 30% of a slabs dead weight. The bubbled deck slab is a new and sustainable biaxial floor system to be used as a selfsupporting concrete floor. 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.
A reinforced concrete slab is a crucial structural element and is used to provide flat. Explore bubble deck slab with free download of seminar report and ppt in pdf and doc format. In order to fully understand the previous research conducted on the bubble deck, further analysis was performed to compare the response of. This is a really clever idea that takes out all the stuff in the middle that you dont really need, and replacing it with air. An experimental study on two way bubble deck slab with spherical. These void formers are most commonly made of plastic such as highdensity polyethylene, and may use.
Bubbledeck is intended to be a flat slab,two way spanning slab supported by columns. Bubbledeck slab pdf the composite slabs are made of bubbledeck type slab elements with. Research articles challenge journal of structural mechanics. The new prefabricated construction technology using bubbledeck slab is. Bubbledeck construction sdn bhd building more for less. Schematic design basic principle as a general guide for project scoping purposes. Bubble deck technology by gayathri rajendran on prezi. Also explore the seminar topics paper on bubble deck slab with abstract or synopsis, documentation on. The ultimate load capacities for bubbledeck slabs having bubble diameter to slab thickness of 0.
Bubble deck slab is a method of virtually eliminating all concrete from the middle of a floor slab, which is not performing any structural. Bubble deck abstract composite material structural engineering. The load acting on the slab is heavy or clear span between columns is more, the slab thickness is on increasing. This project used a total of about 2,500 sqm of bubbledeck, a mix of slab depths bd280 and bd340.
Concrete slab design software free download concrete. Voided biaxial slabs, sometimes called biaxial slabs, are a type of reinforced concrete 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. The appropriate bubbledeck slab version is engineered to suit building configuration, span length between supports, applied loading and vertical. Concrete slab types construction, cost, and applications. Bubbledeck slab elements are plates with ribs on two directions made of. Bubbledeck is compared to a solid deck both practically and theoretically. When the bubbledeck slabs are completed, it is a strange experience to walk below the floor, with the joints between the elements now redundant and of no structural effect, seeming to hang in free air without any nearby support. Accepted like a standard solid slab same regulations as for a solid slab directly incorporated in eurocodes. Retainwall is a software mainly developed for the purpose of designing a concrete or masonry retaining wall. The bubbledeck slab is a revolutionary biaxial concrete floor system. Bubble deck slab seminar report, ppt, pdf for civil. All voided biaxial slabs incorporate an array of rigid void formers which contain air within the voids.
Bubble deck slab seminar report, ppt, pdf for civil engineering. The application of the bubble deck slab floor system in the netherlands is manifested as the worldwide first application. From a constructive point of view, the bubbledeck floor system can completely replace the entire volume of this 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. Tina lai structural behavior of bubble deck slab and their applications to lightweight bridge decks, m. 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. It analyses the stability of the wall based on the loads and resistances, and results in.
Bubble deck technology uses less concrete by filing the slab with beach balls. The bubble deck slab floor system can be used for storey floors, roof floors and ground floor slabs. The total height of the bubbledeck slab elements is constant. Bubble deck slabs reduce weight, increase strength, larger spans can be. The results showed deformation, cracking and failing characteristics of slabs subj ec td o aic gr vi o nl d g. Tests were conducted with bubbledeck slabs of 230 and 450 mm. Bubbledeck is a prefabricated structure with superior characteristics to solid slab. Issn 2348 7968 a study on behavior of bubble deck slab. Structural behaviour of bubble deck slabs and its application.
Biaxial hollow slab with innovative types of voids pdf. Fire resistance depends on concrete cover nearly minutes. In 2017 the bubbledeck system caused controversy due to the collapse of a parking garage at eindhoven airport in the netherlands. In this slab system,the bottom of the slab is furnished with a precast concrete layer on which the building horizontal part is replaced.
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. The slab is very important structure member in building and slab is one of the largest member consuming concrete. Bubble deck is a really clever solution to this problem. Dec 15, 2016 structural behaviour of bubble deck slabs and its application. 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. Bubble deck concrete slab manmade materials concrete. Bubble deck slab is composed of three main materials they are steel, plastic spheres and concrete. The builder cites speed of construction and the rapid access.
Page 4 of 10 shear capacity in % of solid deck ad 2. Concrete slab also known as hollowcore slab bubble deck floor system is a revolutionary biaxial conrete floor system invented by jrgen breuning. Analysis of bubble deck slab design by finite element method. During the latter stages of construction the builder was completing floors of approximately 1,500 m 2 in area every seven working days, underscoring the speed and simplicity of the bubbledeck system. Bubble deck technology uses less concrete by filing the slab. Installation of the cobiax modules on the slab formwork simple cutting to length of the modules in lengths concreting in 2 layers. Bubbledeck is the patented integration technique of linking air, steel, and concrete in a twoway structural slab. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. The bubbledeck system was also nominated for the european environmental prize for sustainable development. Since the weight of the structure reduced, this type of structure can useful to reduce earthquake damage.
If the applied shear is greater than the hollow slab resistance sab omit balls and make it solid and then check the solid part. Roofdeck is a spreadsheet program written in msexcel for the purpose of analysis and design of roofs with steel deck. Bubbledeck north america llc advancing concrete design. The use of voided slabs leads to decrease the consumption of materials and improve. Bubbledeck slabs are being increasingly used to add additional floors to existing, older buildings. This is primarily a function of the fire resistance but is also relevant to durability. 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. We can then provide you with important updates as they are released. The behaviour is exactly as for a solid deck, both for short and longterm situations.
The bubbledeck slab sample was subjected to static loadings. A study on behavior of bubble deck slab using ansys rinku john. Where can one find bubble deck construction in india. The composite slabs are made of bubbledeck type slab elements with spherical gaps, poured in place on transversal and longitudinal directions.
Hollowcore slab 8 installation manual according to bubbledeck uk 2008. Bubble deck slab uses hollow spherical or elliptical balls made by recycled. A bubble deck slab is a technique of realistically disposing the concrete in the center of the slab, which does not. Apr 30, 2012 bubbledeck is a really clever solution to this problem. Bubble deck slab is a new innovative and sustainable floor system to be used as a selfsupporting concrete floor. The appropriate bubbledeck slab version is engineered to suit building configuration, span length between supports, applied loading and vertical alignment of supports. This is due to the lightweight nature of the technology, therefore reducing the new, imposed loads considerably on existing foundations and loadbearing elements. This is due to the lightweight nature of the technology, therefore reducing the new, imposed loads. Bubbledeck malta ltd is an associate of bdi, which is based in denmark. Introduction to bubbledeck bubbledeck is a prefabricated structure with superior characteristics to solid slab. The load acting on the slab is heavy or clear span between columns is more, the slab. The wall may retain soil or other granular material. 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.
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