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. Bubble deck technology uses less concrete by filing the slab. The bubbles are placed in modules of top and bottom steel and are effectively held in place. 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 middle of conventional slab which. The hollow spheres incorporated in the slab reduce the dead weight by up to 35% compared to a solid slab with same bearing capacity. The end result eliminates the use of concrete that has little carrying effect. While a true biaxial slab as the bubbledeck bubbldeeck 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. Flat slab analysis and design free version download for pc.
Bubbledeck concrete slabs design guide register to download. Bubbledeck is a light, biaxial, flat slab technology. Bubble deck slab seminar report, ppt, pdf for civil. The composite slabs are made of bubbledeck type slab elements with spherical gaps, poured in place on transversal and longitudinal directions. 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. The bubbledeck system virtually eliminates dead weight concrete from the middle of a floor slab by incorporating recycled plastic bubbles as a. Jun 16, 2019 the concept is based on the fact that the area between columns of a solid slab has limited structural effect beyond adding weight. Bubbledeck is compared to a solid deck both practically and theoretically. 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.
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. Bridge design is dominated by the dead weight of the structure and by concentrated stresses from vehicular traffic. The tests reveal that the shear strength is even higher than. We provide a complete service, including the design of the floors and columns the complete building structure above ground floor slab level. Megaspans can be achieved when combined with post tensioning, as was the case for the danish radio complex in copenhagen drbyen. Although the technology can be adjusted to suit almost any floor slab arrangement our experience.
Tests were conducted with bubbledeck slabs of 230 and 450 mm. 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. Pdf bubbledeck is the invention of jorgen bruenig, who devised the first biaxial hollow slab now known as bubbledeck in denmark. Results confirm that bubbledeck behaves like a solid slab in every way. We look after manufacturing of the bubbledeck elements. Explore bubble deck slab with free download of seminar report and ppt in pdf and doc format. As an example for a 9 metre span between columns with multiple spans and requiring 1.
The concept is based on the fact that the area between columns of a solid slab has limited structural effect beyond adding weight. Bubbledeck slab elements are plates with ribs on two directions made of. Due to the bubbledeck technologys green credentials, the use of the. Properties degradation environmental impact recycling segregation in techhology alkalisilica reaction. The composite slabs are made of bubbledeck type slab. Pdf the experimental analysis of bubbledeck slab using. Bubbledeck has successfully completed some of the wellknown buildings around the world. Bubbledeck technology pdf bubbledeck technology pdf bubbledeck technology pdf download.
Bubbledeck voided flat slab solutions technical manual and. Bubbledeck can be implemented as one of three alternatives. Bubbledeck biaxial hollow floor slab system, a technology that increases large span lengths and makes floors lighter by reducing the weight while maintaining the. The results are shown for the deck thickness 230 mm type 1 and 455 mm type 2. The required bubbledeck slab type is the next size up from the minimum bd voided slab thickness. Pdf structural behavior of bubble deck slab researchgate. Most attempts have consisted of laying blocks of a less heavy tecchnology like expanded polystyrene between the bottom and top reinforcement, while. This weight reduction allows for further reductions in the building structure. Hollow plastic balls are inserted into the slab and held in place by reinforcing steel. 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. 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. 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. Bubbledeck construction sdn bhd building more for less.
This showcases some projects that we have done so far. Bubbledeck can reduce construction material weight up to 50%. Users should note that all bubbledeck publications and software are subject to revision from time to time and should therefore ensure that they are in possession of the latest version. Oct 22, 2019 while a true biaxial slab as the bubbledeck bubbldeeck 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. Introduction bubble deck slab is a biaxial hollow core slab invented in. Page 4 of 10 shear capacity in % of solid deck ad 2. Function of the diameter of the bubbles that are used, the total height may be. Bubbledeck channel islands has been established to market, distribute and supply the bubbledeck system to the channel islands and united kingdom. 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 technology uses less concrete by filing the. The appropriate bubbledeck slab version is engineered to suit building configuration, span length between supports, applied loading and vertical alignment of supports. 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. And their application to lightweight bridge decks by tina lai bachelor of science in civil engineering, 2009. Bubbledeck behaves like a spatial structure as the only known hollow concrete floor structure.
Pdf bubble deck slab is a method of virtually eliminating all concrete from the middle of a floor slab, which is not. 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. Labahn arena university of wisconsin kahler slater madison, wisconsin. Biaxial hollow slab with innovative types of voids. Bubbledeck technology pdf methods and wanted to know if the bubbledeck system could.
The bubbledeck system was also nominated for the european environmental prize for sustainable development. If you have any queries about applying the design guide to your project, please do contact us. Manual mounting of reinforcement meshes on the building site is avoided. 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. Bubbledeck can be supplied in 2 types of manufactured elements. The bubbledeck system is a simple solution that eliminates non working dead load in concrete slabs while fully retaining strength. Bubbledeck is the patented integration technique of linking air, steel, and concrete in a twoway structural slab. The revolutionary bubbledeck method virtually eliminates concrete from the middle of a slab not performing any structural function, thereby dramatically reducing structural.
Apr 30, 2012 bubbledeck is a really clever solution to this problem. 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. Where 90 minute fire resistance is required deduct 25mm off overall slab depth, or for 120 minute fire resistance deduct 30mm off overall slab depth. The crack pattern was similar to the crack pattern of solid decks. The end result eliminates the use of concrete that has little carrying effect while maintaining the twoway span biaxial strength. The geometry of the bubbledeck slab is a certain size ellipsoids, disposed at a. Bubble deck slab seminar report, ppt, pdf for civil engineering. Where the bottom of the bubble reinforcement 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. Using this approach no worker is exposed to a work site situation. The effective depth of a bubbledeck slab is the overall depth less standard 20mm concrete cover achieving 1 hour fire resistance from the bottom mesh reinforcement to underside of the slab. The modules are then placed on conventional formwork, and the slab is poured in two parts. Bubbledeck is a really clever solution to this problem. Possibility technilogy gain floors at the same building height towers and building volume. Bubbledeck has been tested thoroughly in germany, netherlands, denmark and north america.
Bubble deck slab is a method of virtually eliminating all concrete from the. Download fulltext pdf download fulltext pdf sustainability analysis and shear capacity of bubbledeck slabs with openings conference paper pdf available september 2018 with 229 reads. The weight of bubbledeck slabs is function of its dimensions and indicated in table 1. The test results are summarized in the following graph. Plastic balls serve the purpose of eliminating concrete which has weight but no carrying effect. Bubbledeck international as bdi exploring optimizes the bd technology. Bubbledeck slab pdf the composite slabs are made of bubbledeck type slab elements with. Architectural freedom, flexibility in design and use, fast and inexpensive, savings and environmental benefits. A bubbledeck slab has the same applied load carrying capacity with only 50% of the concrete required for a solid concrete slab, or with the same slab thickness has twice the load carrying capacity using 65% of the concrete required by a solid concrete slab. This new slab can solve both of these problems by reducing. The total height of the bubbledeck slab elements is constant. Bubbledeck north america llc advancing concrete design. Bubbledeck design guide for compliance with bca using.
Jan 31, 2019 bubbledeck is the patented integration technique of linking air, steel, and concrete in a twoway structural slab. 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. Introduction to bubbledeck bubbledeck is a prefabricated structure with superior characteristics to solid slab. Bubbledeck design guide for compliance with bca using as3600. Bubbledeck has been successfully used as transfer slabs with depths of over 600mm. 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 slab pdf bubbledeck slab pdf bubbledeck slab pdf download. Scope of future use used for constructing all types of building especially sky scrapers. Bubbledeck biaxial hollow precast slab system youtube. 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. 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.
Test reports can be obtained be either visiting the download page or contacting the bubbledeck group. Punching behavior of bubbledeck type reinforced concrete. The appropriate bubbledeck slab version is bespoke engineered to suit building. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Drbyen project showing prestressing tendons integrated with bubbledeck slabs bubbledeck can be implemented as one of three. The behaviour is exactly as for a solid deck, both for short and longterm situations. Voided biaxial slabs are reinforced concrete slabs in which voids reduce the amount of. 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. Insitu application bubbledeck slabs can be constructed as insitu slabs.
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. 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. Bubbledeck precast concrete slabs are suitable for use in all building types especially open floor designs such as commercial, educational and institutional buildings. This illustrates bubbledeck is much more than a revolutionary. Indicative spans, based on our standard grade 30 concrete cube strength as guide to what can be achieved.