In both of them, the shear resistance has to be determined by means of slab tests, however the total number of test can be considerably reduced, because once the longitudinal strength. It has been widely used since the 1960s with success on many projects large and small. The slab is propped at the centre during construction stage. Roofdeck is a spreadsheet program written in msexcel for the purpose of analysis and design of roofs with steel deck. Bondek ii profiled steel sheeting shall be rolledformed using zinchiten g550 hotdipped zinc coated to coating class z275 structural steel strip conforming to steel grade g550 in as97 125mm thick composite slab comprising a reinforced concrete topping on 1. Stramit condeck hp manual stramit building products. Then choose the most appropriate page of tables using. Lysaght bondek design and construction guide july 2016 free download as pdf file. Maximum bondek formwork spans have been increased in the new published values. Lysaght bondek design composite concrete slabs civil. Bonddek is a composite steel flooring system for multistorey steel or concrete buildings. Bonddeks unique sidelap interlocking system provides for fast and simple construction. The speed of erection results in major labour cost savings. Find the following parameters for design moments in step 2 per unit width step 4 note.
Our design software will significantly assist a qualified engineer arrive at a solution which speeds the design process for floors and slabs. The project structural engineers performed detailed finite element modeling on the full structure. The continous slab will be designed as a series of simply supported spans. Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for oneway and twoway slabs as per is 456. For 1m slab width, moment, shear force, oneway continuous slab for continuous slab, moment and shear force can be obtained from table 3. I designed my house with a garage under my main living room. Design of slab for flexure 067 m unit width of slab.
In addition to general ultimate and serviceability limit state design issues, practical design considerations such as the formation of holes in the slab, support details, fire protection, and attachments to the slab are discussed. Reinforced concrete slab design and detailing guide is456. Maximum slab spans, mm bondek sheest continuous over 3 or more slab spans formwork deflections limits l240 visual appearance important slabs spans ratio up to 1. It is a highly regarded formwork product offering efficiency and speed of construction. Determine the minimum slab thickness from table 18 on page 39. Lysaght bondek profiled steel decking is a highly efficient, versatile and robust formwork, reinforcement and ceiling system for concrete slabs. Lysaght bondek ii steel decking design slab construction user guide 5 lysaght bondek ll structural steel decking is a highly efficient, versatile and robust formwork, reinforcement and ceiling system for concrete slabs.
It is a profiled steel sheeting widely accepted by the building and construction industry to. Bluescope lysaght continues its commitment to research and development, to ensure bondek remains in the forefront with superior design solutions in. It is a profiled steel sheeting widely accepted by. Structural steel composite slab 1 of 7 rev design project. Bondek works as composite slab saving on concrete and reinforcement costs. Bonddek is able to span up to 3 metres unsupported under wet concrete with a minimum depth of 65mm. For direct product selection if fire is a consideration, and propping is acceptable. New formwork tables are optimised for steel frame construction but are also suitable for concrete frame construction and masonry walls. Concrete saving compared with normal concrete slab 0 10 20 30 40 50 60 40 50 60 70 80 90 100 110 120 depth of trapezoidal profile mm equivalent depth of concrete savings mm 100 slab 115 slab 125 slab 5. These materials are originally located at different websites.
A floor system family with the bondek profile built in. Composite slab design material properties and slab geometry. Call steel direct on 1800 641 417 to obtain additional copies of the design and construction manual and users guide for bondek design software. How to install rebar steel beam, slab, gutter 3d i solid slab anmimation duration. Missouri university of science and technology scholars mine. Design and acoustic performance of a spring isolated. The new values can be found in the bondek users guide. Bondek design softare welcome to the lysaght bondek design software user guide. Users guide for lysaght bondek ii slab construction to.
Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. It is a profile steel sheeting widely accepted by the building and construction industry to offer efficiency and speed of construction. For suspended floors it covers both upper floors and those at ground level where a slabonground may not. Design tables for steel framed construction are presented in section 6. The selfsupporting decking acts as both permanent formwork and reinforcement to the slab and eliminated the need for propping down to the wading pool below. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place.
Based on a 50mm concrete cover above the profiles rib for adequate structural design 3. The floor structure is typically a 150mm composite concrete slab bondek ii metal tray, supported at 2m centers by 900wb175 composite secondary steel beams spanning 15m. It manufactures a wide range of steel products, including structural, rail, rod, bar, wire, pipe and tube products and markets welded beams. Introduction coldformed steel deck sections are used in many composite floor slab applications wherein the steel deck serves not only as the form for the.
Main roads western australia structures engineering design manual page 1 of 3 preface. Lysaght bondek design and construction guide july 2016. Hence, compressive forcencf in concrete is equal to steel yield force npa. Microsoft excelbased software for the design of composite concrete slabs with lysaght bondek structural decking. Construction and detailing issues are presented in section 7. Yield stress of mesh reinforcement bondek sheeting yield stress yield stress of reinforcing bars longitudinal shear capacity en 199411. Design of simplysupported composite beams for strength. Following are the rcc slab design and detailing guidelines. Grdslab is a spreadsheet program written in msexcel for the purpose of analysis of concrete slabs on grade. Ceiling of garage and floor of living room is concrete on bondek. By setting the span direction for the floor, you set the direction of the bondek profile.
For slabonground floors it provides an understanding of the footingslab selection, design, detailing and construction requirements contained in as 2870 and the housing provisions of the bca. Minimum slab thickness of rc slab to prevent undesirable. Flat slab analysis, design and detailing pdf civil. The cross section of the profiled sheeting is shown in fig.
A civil engineer must know all the aspects regarding the flat floor system. Flat slab system is an important division of concrete floor system. Span tables were available but i still needed a structural engineer to design the details. Structural steel decking lysaght bondek ii system design. Oneway simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. The design of composite slabs and beams is discussed in detail in relation to the eurocodes and bs 5950. Lysaght wdek design and structural steel decking system. The original name in steel formwork, bondek is an efficient, versatile and robust structural decking and ceiling system for concrete slabs. Reinforced concrete sk 33 section through slab showing stress due to moment.