This slab is invented by jorgen breuning in denmark 1990s. Experimental study on bubble deck flat slab written by onkar s. Bubbledeck slabs with gaps are conceived so they dont produce risks during its working period. Advantages of these project are material and weigh reduction, construction and time. 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. Bubbledeck floors eliminate up to 35% of concrete from suspended slabs. High density polythene hdpe hollow spheres are placed in the center of slab by replacing the. Combined with large spans and cantilevers, this optimises architects design freedom, pushing boundaries even further. It was invented by jorganbreuningof denmark about 20 years ago.
This page contains embedded systems seminar and ppt with pdf report. Through findorffs implementation of bubbledeck technology our clients experience cost savings, increase in sustainability efforts, and accelerated schedules. Structural behaviour of bubble deck slabs and its application. Void formers inside the flat slab eliminates at least 30% of a slab s dead weight. 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. J joshi2, 3rohit raj, prem prakash mishra4, mamta kadhane5, bharati mohabey6 civil engineering, rajarshi shahu college of engineering, pune, maharashtra, india abstracta voided slab. Bubble deck slab the best solution for above two problems is bubble deck slab. An overview neeraj tiwari1 sana zafar2 1,2madan mohan malviya university of technology, gorakhpur abstractthe bubble deck slab is a newly designed biaxial concrete floor slab system. 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.
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 concrete in the middle of a conventional slab which does not contribute to its structural performance. Meshed model of bubble deck slab with spherical balls fig 4. This is a small effort to get rid of this confusion by giving you many civil eng seminar topics with report. Pdf bubbledeck is the invention of jorgen bruenig, who devised the first biaxial hollow. V approval for submission i certify that this project report experimental study of behaviour of voided bubble concrete slab was prepared by ali muhsion, mohammed salah, murtatha jabbar and has met the required standard for submission in. Tests were conducted with bubbledeck slabs of 230 and. Tetra mesh is used in bubble deck slab due to irregular geometry of the slab. Understanding the concept of bubble deck civil engineering. Its 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 highly dense polyethylene hollow spheres put back the ineffective concrete in the center of the slab, thus decreasing the dead. These void formers are most commonly made of plastic such as highdensity polyethylene, and may use recycled materials. Due to the slabs biaxial behaviour, it allows for changes such as adding additional staircases. Skyscraper 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.
The behavior of bubble deck slabs is influenced by the ratio of bubble diameter to slab thickness. Heatingcooling through piping in slab report from cowi for heating, savings up to 30 % for cooling, savings up to 85 %. This project introduces the bubble deck slab its uses and. Bubble deck is a revolutionary method of virtually eliminating concrete from the middle of conventional slab which does not perform any structural function, thereby dramatically reducing structural dead weight by linking air and steel directly. The average shear capacity is measured to 91 % compared to a solid deck. Bubbledeck north america llc advancing concrete design. Experimental study on bubble deck slab using polypropylene. Bubbledeck floor slabs between 3 and 6 stories high supported on insitu reinforced concrete columns. Performance of structural behaviour of bubble deck slab.
Bubble deck slab seminar report, ppt, pdf for civil. Using euro code 2, we would calculate the applied shear at 2d and subsequent perimeters from the column face as per the code requirements, as. The main contractor subsequently found the bubbledeck system. Hollow plastic balls are inserted into the slab and held in place by reinforcing steel. Explore bubble deck slab with free download of seminar report and ppt in pdf and doc format. Explore skyscraper with free download of seminar report and ppt in pdf and doc format. Bubbledeck voided flat slab solutions technical manual and. Bubble deck slab system concrete precast concrete scribd. The bubbledeck system was also nominated for the european environmental prize for sustainable development. Terec 2, 1 cs i, incd urbanincerc branch of clujnapoca, email liana. The void formers are produced in a variety of shapes depending on the design of the slab.
Lighter stronger precast concrete floor slabs bubbledeck. Saves 30 to 50 % weight compared to a corresponding solid slab equal stiffness. Deck voided flat slab solutions technical manual and documents 2007. Vtu civil engineering seminar topics with pdf reports and ppt posted by. Explore flat slab with free download of seminar report and ppt in pdf and doc format. The diagrids are border structural shape characterized by a narrow grid of diagonal members which are elaborate both in gravity and in lateral load resistance. The best known lightweight slab systems include cobiax biaxial voided slab system and bubbledeck slab. Muhammad shafiq,may2017 in this paper author determine the load bearing capacity of bubble deck and compare with conventional slab with different bh ratio and estimate amount of concrete saved as a result of spherical balls introduction in to the core of the slab. Architectural freedom, flexibility in design and use, fast and inexpensive, savings and environmental benefits. A bubble deck slab floor is a flat slab floor, therefore without beams and column heads. Case study bubble deck slab the geometry of the bubble deck slab is defined by spheres of a certain size, which are. The mesh is fabricated in two forms meshed for lateral support and digonal griders for vertical support of the bubbles. Bubble deck slab can be achieved by reducing the weight of the slab by eliminating unwanted concrete which is not playing the role in. Bubbledeck allows for complete architectural freedom.
Due to the own weight of the bubbledeck slabs minimum 280 kgm2 the. The end result eliminates the use of concrete that has little carrying effect while maintaining the twoway span biaxial strength. Introduction to bubbledeck overview bubbledeck is a highly innovative, environmentally friendly, patented concrete construction system used for floor and roof slabs in high rise and institutional buildings. Materials steel the steel rinforcement of fy60 strength or higher. Pdf bubble deck slab is a method of virtually eliminating all concrete from the middle of a floor slab, which is not performing any structural. There are 16 different types of slabs in construction. We collected most searched pages list related with seminar report on bubble deck slab and more about it.
Bubbledeck design guide for compliance with bca using. The application of the bubble deck slab foor system in the netherlands is manifested as the worldwide frst application. A voided slab is a concept that simply removes the excess concrete from the expensive part of the structure slab. Bubbledeck design guide for compliance with bca using as3600 and ec2 prepared by. Bubbledeck biaxial hollow precast slab system youtube. Once concrete is poured over the balls in the panels, the bubbledeck system effectively becomes, and behaves like, a monolithic twoway slab that distributes force uniformly and continuously. Flat slab seminar report, ppt, pdf for civil engineering. Although the strengthened bubble deck had low deflection when compared to an unstrengthened bubble deck slab.
Bubbledeck slab system concrete building engineering. Highdensity polyethylene hollow spheres replace the ineffective concrete in the center of the slab, thus decreasing the dead weight and increasing the. The comparative study of lightweight slab solutions in. Through tests, module and analysis from variety of institution bubbledeck was proven to be superior to traditional solid concrete slab the reduced dead load makes the long term response more economical for the building while offsetting the slightly increased deflection of the slab however the shear and punching shear resistance of bubbledeck.
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. Are you looking for seminar report on bubble deck slab. 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. It is now gaining popularity both in europe and in asia. Pdf structural behavior of bubble deck slab researchgate. All voided biaxial slabs incorporate an array of rigid void formers which contain air within the voids. Bubbledeck slab system free download as powerpoint presentation. In this article, ill give a detailed explanation of each slab where to use particular slab. Also explore the seminar topics paper on flat 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. Concrete slab also known as hollowcore slab bubble deck floor system is a revolutionary biaxial conrete floor system invented by jrgen breuning.
The principal characteristic is that hollow plastic spheres. 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 with spherical and elliptical balls were modelled using tetra mesh, which is a four noded mesh. Structural behavior of bubbledeck slabs and their application to lightweight bridge decks by tina lai bachelor of science in civil engineering, 2009 massachusetts institute of technology submitted to the department of civil and environmental engineering in partial fulfillment of the requirements for the degree of master of engineering in. Bubble deck slab uses hollow spherical or elliptical balls made by recycled plastic. Bubble deck concrete slab manmade materials concrete. Bubble deck technology by gayathri rajendran on prezi. The designer of the building will design the slabs corresponding to the efforts given by the dead and live loads and the recommendations of the producer. 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 bubbledeck system virtually eliminates dead weight concrete from the middle of a floor slab by incorporating recycled plastic bubbles as a void. Also explore the seminar topics paper on skyscraper 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. Compared to traditional monolithic concrete slabs, the bubbledeck slab. Meshed model of bubble deck slab with elliptical balls.
Bubble deck is the invention of jorgen bruenig in the 1990s, who developed the. Bubbledeck is the patented integration technique of linking air, steel, and concrete in a twoway structural slab. Bubble deck slab is a new innovative and sustainable foor system to be used as a selfsupporting concrete foor. Bubble deck slab seminar report, ppt, pdf for civil engineering. Nielsen the technical university of denmark enclosure b1. A study on structural behaviour of bubble deck slab using. A comparison of extraction methods for selected phenolic compounds.
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