Where the bottom of the bubblereinforcement sandwich includes a 60 mm thick precast concrete layer acting as permanent formwork within part of the finished slab depth replacing the need for temporary formwork. Punching behavior of bubbledeck type reinforced concrete slabs. 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. Product range bubbledecks core technology is the lightweight biaxial slab. The bubbledeck slab sample was subjected to static loadings. Bubbledeck slab are considered, such as the concrete strength, the shape and diameter of plastic balls, the size of reinforcing mesh at top and bottom. Introduction to bubbledeck bubbledeck is a prefabricated structure with superior characteristics to solid slab. Insitu application bubbledeck slabs can be constructed as insitu slabs. Abstract the bubbledeck type slab bd is a reinforced concrete rc flat slab that includes recycled plastic hollow spheres rphs in its core. By using bubbledeck method, the quantity of concrete and cement is reduced by 30 to 50% for the same built surface compared with the classical slabs, fact that gives an important reduced quantity of carbon emitted. The geometry of the bubbledeck slab is a certain size ellipsoids, disposed at a. Bubbledeck has successfully completed some of the wellknown buildings around the world. Hollow plastic balls are inserted into the slab and held in place by reinforcing steel. 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.
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. Since the weight of the structure reduced, this type of structure can useful to reduce earthquake damage. This is a method that involves essentially eliminating all of the concrete that is not performing any structural function from the middle of a floor slab. The simple bubbledeck is cast over the pre fabricated bubble lattice on traditional formwork. The bubbles are placed in modules of top and bottom steel and are effectively held in place. 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. Its a fact that regardless of the diameter of the bubble used. The modules are then placed on conventional formwork, and the slab is poured in two parts. The end result eliminates the use of concrete that has little carrying effect while maintaining the twoway span biaxial strength. Bubbledeck can be implemented as one of three alternatives.
Bookmark file pdf bubble deck voided flat slab solution bubble deck voided flat slab solution bubbledeck biaxial hollow precast slab system the bubbledeck system virtually eliminates dead weight concrete from the middle of a floor slab by incorporating recycled plastic. The results are shown for the deck thickness 230 mm type 1. Concrete slab also known as hollowcore slab bubble deck floor system is a revolutionary biaxial conrete floor system invented by jrgen breuning. May 01, 2020 the bubbledeck system is based upon the patented integration technique the the bubbledeck is a twoway hollow deck in which plastic balls serves the.
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. Waffle slabs are a common type of hollowcore slab which use the same principle as voided biaxial slabs. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Bubbledeck slab system concrete building engineering. Bubbledeck design guide for compliance with bca using as3600. Biaxial hollow slab with innovative types of voids. Bubbledeck system is a revolutionary 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.
The slab is very important structure member in building and slab is one of the largest member consuming concrete. Bubbledeck joints have a chamfer on the inside to ensure that concrete surrounds each bar and does not allow a direct route to air from the rebar surface. 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 bubbledeck slab is a biaxial concrete floor system invented and developed by jorgen breuning in denmark in the 1990s bubbledeckuk, 2008. The weight of bubbledeck slabs is function of its dimensions and indicated in table 1.
The voided biaxial slabs technology is directly incorporated in international standards as the eurocodes, and various national codes such as the cur in the netherlands. 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. Drbyen project showing prestressing tendons integrated with bubbledeck slabs bubbledeck can be implemented as one of three alternatives. Phuoc1 1 department of civil engineering, ho chi minh city university of technology, vietnam national. Bubbledeck north america llc advancing concrete design. Indicative spans, based on our standard grade 30 concrete cube strength as guide to what can be achieved. Bubbledeck slab pdf the composite slabs are made of bubbledeck type slab elements with.
This showcases some projects that we have done so far. Bubble deck concrete slab free download as powerpoint presentation. We can then provide you with important updates as they are released. Jun 16, 2019 the bubbledeck system is based upon the patented integration technique the the bubbledeck is a twoway hollow deck in which plastic balls serves the.
As an example for a 9 metre span between columns with multiple spans and requiring 1. 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 elements are plates with ribs on two directions made of reinforced concrete or precast concrete with spherical or circular shaped bubble. Bubble deck slab seminar report, ppt, pdf for civil engineering. 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. 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. Tests were conducted with bubbledeck slabs of 230 and 450 mm. The concept is based on the fact that the area between columns of a solid slab has limited structural effect beyond adding weight. Key benefits of the bd system better environment greater flexibility faster construction time better total economy standard platecolumn system homogeneuous biaxial slab. Bubbledeck can be supplied in 2 types of manufactured elements. The new prefabricated construction technology using bubbledeck slab is. The bubbledeck slab is a revolutionary biaxial concrete floor system developed in. 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.
Bubbledeck is the patented integration technique of linking air, steel, and concrete in a twoway structural slab. Punching behavior of bubbledeck type reinforced concrete. Find, read and cite all the research you need on researchgate. The total height of the bubbledeck slab elements is constant. 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. 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. 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. The application of the bubble deck slab floor system in the netherlands is manifested as the worldwide first application. The appropriate bubbledeck slab version is engineered to suit building configuration, span length between supports, applied loading and vertical. Plastic balls serve the purpose of eliminating concrete which has weight but no carrying effect. The required bubbledeck slab type is the next size up from the minimum bd voided slab thickness. Jun 26, 2019 the bubbledeck system is based upon the patented integration technique the the bubbledeck is a twoway hollow deck in which plastic balls serves the. Due to the bubbledeck technologys green credentials, the use of the.
Jul 21, 2019 bubbledeck slab pdf page 4 of deck types. A two way spanning voided biaxial slab construction with spheres according to the bubbledeck system, compared to older voided slab constructions quick and easy to implement. The bubbledeck system is based upon the patented integration technique the the bubbledeck is a twoway hollow deck in which plastic balls serves the. Bubbledeck floors eliminate up to 35% of concrete from suspended slabs. Bubbledeck tests and reports summary june 2006 issue 1 bubbledeck uk head office white lodge,wellington road, st. Architectural freedom, flexibility in design and use, fast and inexpensive, savings and environmental benefits. 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. Bubble deck technology uses less concrete by filing the slab. Jan 31, 2019 bubbledeck is the patented integration technique of linking air, steel, and concrete in a twoway structural slab.
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. Accepted like a standard solid slab same regulations as for a solid slab directly incorporated in eurocodes. Bubble deck slab system, filigree element, hollow spherical balls, hollow elliptical balls, deck, etc. While a true biaxial slab as the bubbledeck system must be calculated as a solid slab, ribbed slab systems, like the uboot system, consisting of a grid of orthogonal i beams, must be calculated as beams. 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. Bubble deck concrete slab manmade materials concrete. Bubbledeck is compared to a solid deck both practically and theoretically. Bubble deck slab seminar report, ppt, pdf for civil. 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.
Cost comparison between conventional concrete slab and bubble deck slab wangmo jigme 1, dyg. Pdf bubbledeck is the invention of jorgen bruenig, who devised the first biaxial hollow slab now known as bubbledeck in denmark. Bubble deck slab is composed of three main materials they are steel, plastic spheres and concrete. Bubbledeck construction sdn bhd building more for less. 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. Bubbledeck slab system free download as powerpoint presentation. Sep 01, 2019 the bubbledeck system is based upon the patented integration technique the the bubbledeck is a twoway hollow deck in which plastic balls serves the. Bubbledeck is a slab system that has become very popular in europe and around the world in the past decade. Bubbledeck design guide for compliance with bca using. The behaviour is exactly as for a solid deck, both for short and longterm situations. The mesh is fabricated in two forms meshed for lateral support and digonal griders for vertical support of the bubbles. Function of the diameter of the bubbles that are used, the total height may be. Apr 30, 2012 bubbledeck is a really clever solution to this problem. 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.
Voided biaxial slabs are reinforced concrete slabs in which voids reduce the amount of. Bubbledeck is a really clever solution to this problem. Lighter stronger precast concrete floor slabs bubbledeck. Bubbledeck slab uses hollow spherical balls made by recycled plastic and therefore it is an innovatory method of virtually eliminating the concrete part in the. Properties degradation environmental impact recycling segregation in techhology alkalisilica reaction. Pdf structural behavior of bubble deck slab researchgate.
The results showed deformation, cracking and failing characteristics of slabs subj ec td o aic gr vi o nl d g. This paper presents a study on the properties and advantages of bubble deck slab system. Apr 08, 2017 the bubble deck slab floor system can be used for storey floors, roof floors and ground floor slabs. The appropriate bubbledeck slab version is engineered to suit building configuration, span length between supports, applied loading and vertical alignment of supports. 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. Revised sustainability analysis and shear capacity of bubbledeck slabs with. Explore bubble deck slab with free download of seminar report and ppt in pdf and doc format.
Apr 30, 2019 while a true biaxial slab as the bubbledeck system must be calculated as a solid slab, ribbed slab systems, like the uboot system, consisting of a grid of orthogonal i beams, must be calculated as beams. Bubble deck technology uses less concrete by filing the. 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 bespoke engineered to suit 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. Aug 20, 2019 the bubbledeck system is based upon the patented integration technique the the bubbledeck is a twoway hollow deck in which plastic balls serves the. 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. This is primarily a function of the fire resistance but is also relevant to durability. 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. Bubbledeck slab elements are plates with ribs on two directions made of. It leads to consume more material such as concrete and steel, due to that the self weight of slab is increase. Bubbledeck can reduce construction material weight up to 50%.
Pdf bubbledeck slabthis illustrates bubbledeck is much more than a revolutionary flat slab floor and deck system but is a whole. Cost comparison bwtween bubbledeck slab and conventional. May 03, 2020 a two way spanning voided biaxial slab construction with spheres according to the bubbledeck system, compared cobia older voided slab constructions hebrew cabalist writings pdf can elab used together with prefabs. Materials steel the steel rinforcement of fy60 strength or higher. The composite slabs are made of bubbledeck type slab elements with spherical gaps, poured in place on transversal and longitudinal directions. The bubble deck slab floor system can be used for storey floors, roof floors and ground floor slabs.