Bubbledeck slab system free download as powerpoint presentation. Voided biaxial slabs are reinforced concrete slabs bubblfdeck which voids reduce the amount of concrete. Bubble deck slab seminar report, ppt, pdf for civil engineering. This floor system is economical since the formwork is readily available and less reinforcement. Bubbledeck is compared to a solid deck both practically and theoretically. Click to download the design guide since 1999 the bubbledeck lightweight precast concrete floor system has been used in the construction of more than 400 buildings around the world. Bubbledeck concrete slabs design guide register to. However, the shear and punching shear resistance of the bubbledeck floor is significantly less than a solid deck since resistance is directly related to the depth of concrete. 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. Test report biegung from the technical university of darmstadt germany enclosure a2. The following fig 9 shows fixing partially manufactured bubble deck slab. Bubble deck concrete slab manmade materials concrete. 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.
Aug 05, 2018 structural behavior of bubble deck slab. Bubble deck slab seminar report, ppt, pdf for civil. Apr 08, 2017 the bubble deck slab floor system can be used for storey floors, roof floors and ground floor slabs. Oneway joist slab the joists act like small beams to support the slab. Download civil engineering seminar on biological nutrient removal in waste water treatment. The tests reveal that the shear strength is even higher than.
Search cloud seminar report on bubble deck slab important. So the results of experiment shown thatbubble deck slab can withstand 80% of stress when compared with conventional slab. From the evaluation of these results, bubble deck slab gives better performance than that of the conventional slab. Report the difference between by using the normal and bubble deck slab. Compared to traditional solid slabs, the reduced selfweight of biaxial. Structural behaviour of bubble deck slabs and its application. These void formers are most commonly made of plastic such as highdensity polyethylene, and may use recycled materials. Concrete created substances that polluted the environment. Manual mounting of reinforcement meshes on the building site is avoided. Concrete slab also known as hollowcore slab bubble deck floor system is a revolutionary biaxial conrete floor system invented by jrgen breuning. The stress and deformation results of bubble deck slabs werecompared with conventional slabby.
Bubble deck technology uses less concrete by filing the. Hollow core a comparison was made between bubble deck and hollow core deck. Accepted like a standard solid slab same regulations as for a solid slab directly incorporated in eurocodes. Huge list of civil engineering ce seminar topics 2019, ppt pdf reports, latest ieee civil construction seminars list, top advanced seminar papers 2015 2016, recent ieee essay topics, speech ideas, dissertation, ce new thesis, research ieee ce seminar topics, reports, synopsis, advantanges, disadvantages, abstracts, presentation slides free download pdf, doc and ppt for final year be. Cost comparison bwtween bubbledeck slab and conventional. Enhancement of span results in addition of beams that increases the cost of the structure. Here, bubble deck slab is designed as per indian condition by using plastic balls which reduces the cost of the project. 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. This is considered an advantage over oneway ribbed slabs, which must be calculated as an array of beams. The first hollow concrete block was designed in 1890 by harmon s. Analysis of bubble deck slab design by finite element method. Adenan 2 1,2 faculty of engineering and technology infrastructure infrastructure university kuala lumpur, malaysia abstract the main purpose of this research is to compare the cost difference between conventional concrete slab and bubble deck slab. The bubble deck slab floor system can be used for storey floors, roof floors and ground floor slabs. A bubble deck slab has a twodimensional arrangement of voids within the slabs to reduce selfweight.
Bubble deck slab is a method of virtually eliminating all concrete from the. Bubbledeck design guide for compliance with bca using. However, the shear and punching shear resistance of the bubbledeck floor is significantly less than a solid deck since resistance is. All voided biaxial slabs incorporate an array of rigid void formers which contain air within the voids. We are in the process of updating and revising this design guide, which will shortly be uploaded to this web site. The highly dense polyethylene hollow spheres put back the ineffective concrete in the center of the slab, thus decreasing the dead. Bubble deck slab is a method of virtually eliminating all concrete from the middle of a floor slab, which is not performing any. Bubbledeck design guide for compliance with bca using as3600 and ec2 prepared by.
New ways in concrete construction the biaxial hollow deck. Oneway beam and slab this is the most typical floor system used in construction. With integration of pt cables, which fit easily in the slab, spans of 50 times the deck thickness is possible. The slab of conventional and bubble deck slab both are subjected to uniformly distributed load. 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 results are shown for the deck thickness 230 mm type 1 and 455 mm type 2. If you need to plot the graph for the values you can use software like msexcel, origin pro etc advantages. Voided slab bubble deck technology the first hollow concrete block was designed in 1890 by harmon s.
Bubbledeck north america llc advancing concrete design. Differences can be due to the fact that the tests only were considered in a onewayspan fig. Civil engineering ce seminar topics 2019, ppt pdf reports. Use custom search function to get better results from our thousands of pages use for compulsory search eg. The bubbledeck slab is a revolutionary biaxial concrete floor system developed in europe. Where can one find bubble deck construction in india. Using this approach no worker is exposed to a work site situation. Most attempts have consisted of laying blocks of a less heavy tecchnology like expanded polystyrene between the bottom and top reinforcement, while other types included waffle slabs and grid slabs. Bubbledeck design guide for compliance with bca using as3600.
Bubbledeck behaves like a spatial structure as the only known hollow concrete floor structure. 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. Bubbledeck is a revolutionary construction method that virtually eliminates concrete from the middle of a floor slab. The behaviour of bubble deck slabs is influenced by the ratio of bubble diameter to slab thickness. With bubbledeck, completely open facades is possible with long cantilevers. 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.
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. Bubbledeck voided flat slab solutions technical manual and. Bubble deck concrete slab free download as powerpoint presentation. 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. This make the slab lighter as about 30% of the concrete is been replaced by the polymer bubble there by the dead weight of the slab is reduced. Bubble deck technology uses less concrete by filing the slab. Jun 25, 2019 here, bubble deck slab is designed as per indian condition by using plastic balls which reduces the cost of the project. The bubble deck slab carried the stress of about 30. Bubble deck slab uses hollow spherical or elliptical balls made by recycled plastic. The reduced weight of the slab will typical result in a change in design to longer spans andor reduced deck thickness.
Investigations according to eurocodes have concluded that voided biaxial slabs may be modelled like solid slabs. This new prefabricated construction technology is recently. Materials steel the steel rinforcement of fy60 strength or higher. Bubbledeck biaxial hollow precast slab system youtube. All advice, information and software from this site are. Introduction bubble deck slab is a biaxial hollow core slab invented in. 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. Performance of bubble deck slab ump institutional repository. Bubbledeck slab system concrete building engineering. Explore bubble deck slab with free download of seminar report and ppt in pdf and doc format. Bubble deck lighter flat slab technology it may require cleanup to comply with wikipedias content policies, particularly neutral point of view. Pdf bubbledeck is the invention of jorgen bruenig, who devised the first biaxial hollow slab now known as bubbledeck in denmark. Bubbledeck biaxial hollow floor slab system, a technology that increases large span lengths and makes floors lighter by reducing the weight while maintaining the.
After 10 years of experimenting, palmer patented the design in 1900. Cost comparison between conventional concrete slab and bubble deck slab wangmo jigme 1, dyg. A solid deck is compared with bubble deck no girders were used only binding wire in the samples slab thickness of mm. Frankly, i havent heard of this tech before i was a2aed on this.
Saves 30 to 50 % weight compared to a corresponding solid slab equal stiffness. The shear capacity is measured for a ratio ad of 2. Pdf bubble deck slab is a method of virtually eliminating all concrete from the middle of a floor slab, which is not. Slab structure is considered as one of the largest structural members that consumes large amount of concrete in a building construction. They carried out by using the finite element analysis software ansys to study structural behaviour of the slab. The slab loads are transferred to the beams, which are then transferred to the columns. Bubble deck technology by gayathri rajendran on prezi. 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. The reduced dead load makes the longterm response more economical for the building while offsetting the slightly increased deflection of the slab. Although not reinforced, coffers were used to reduce the weight. 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. Concrete is the single most widely used material in the world. Void formers inside the flat slab eliminates at least 30% of a slabs dead weight. International and there are minor differences between the current bubbledeck standard slab configurations for each slab depth and this guide.
Find powerpoint presentations and slides using the power of, find free presentations research about bubble deck slab ppt. Thus, there is a need for a technology that will help in increasing the span by reducing weight of the span. Since the weight of the structure reduced, this type of structure can useful to reduce earthquake damage. Civil engineering seminar topicsfree download engineering. Bubbledeck concrete slabs design guide register to download. Structural behavior of bubble deck slab civil engineering. Case study bubble deck slab the geometry of the bubble deck slab is defined by spheres of a certain size, which are. Pdf structural behavior of bubble deck slab researchgate. Bubble deck slab is composed of three main materials they are steel, plastic spheres and concrete. Although the strengthened bubble deck had low deflection when compared to an unstrengthened 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. In the 1990s, jorgen bruenig had invented the first biaxial voided slab called bubble deck. The mesh is fabricated in two forms meshed for lateral support and digonal griders for vertical support of the bubbles.
Find powerpoint presentations and slides using the power of, find free. The behaviour is exactly as for a solid deck, both for short and longterm situations. Finally, the comparison has been made for bubble deck slab with conventional slab over its selfweight. View and download powerpoint presentations on bubble deck slab ppt. The concept is based bubblededk the fact that the area between columns of a solid slab has limited structural effect beyond adding weight. The bubbledeck system virtually eliminates dead weight concrete from the middle of a floor slab by incorporating recycled plastic bubbles as a. Conventional horizontal concrete slabs are heavy that limit their spans. Bubbledeck slab version slab thickness bubbles span multiple bays cantilever max length span single bays completed slab mass site concrete quantity bd230 230 o 180 5 8. 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.