What is bondek system?
The original name in steel formwork, BONDEK® is an efficient, versatile and robust structural decking and ceiling system for concrete slabs. It is a highly regarded formwork product offering efficiency and speed of construction. Excellent spanning capacities for greater strength and less deflection.
How far can you span bondek?
3.6m
BONDEK® has superior spanning capacities. 1.0mm BMT BONDEK® can be used as a permanent formwork spanning up to 3.6m unpropped used in steel-framed construction.
How long is bondek?
Stock length: 1200mm. Required: 300mm per sheet of BONDEK®. Plastic trim to cover gaps formed by ribs. Used when underside of BONDEK® forms an exposed ceiling.
How thick is a bondek slab?
USING LYSAGHT® BONDEK® STRUCTURAL STEEL DECK It has re-entrant ribs into the concrete slab at approximate 200mm centres and its depth is 54mm. It is available in a Base Metal Thicknesses (BMT) 0.6, 0.75, 0.9 and 1.0mm.
How do you fix a suspended concrete slab?
Because the slab will bend in different ways depending on how many support walls it has, the main steel reinforcement has to be placed in different areas to even out the tension. A slab supported by two walls will tend to fold in the middle, so rebar placed parallel to the short span will provide maximum support.
Why is the bondek Coloured blue?
Supplied in BONDEK BLUE® featuring a blue anti-glare coating reducing reflected light by a minimum of 80%, which means greater comfort for installers and follow up trades on site.
What is suspended slab?
Suspended slabs are slabs that are not in direct contact with the ground. They form roofs or floors above ground level. Suspended slabs are grouped into two types: one way slabs which are supported on two sides. two way slabs which are supported on all four sides.
Why are concrete floors suspended?
Unlike standard ground floor construction, suspended floors are not sitting directly on the ground. This allows air flow and ventilation to prevent the mould and dry rot that would otherwise occur over damp ground. However this air flow can leave the problem of draughts and cold in the house if not insulated correctly.
How does a suspended slab work?
Precast concrete suspended slabs are constructed off site and later are craned into the construction site. The concrete is poured after the reinforcement is placed in reusable and adjustable moulds. If the complete construction finishes in factory, polishing, grinding and dying can be applied.
Are suspended slabs expensive?
Suspended slab may be the most expensive compared to the other’s.
Which is the best Bondek slab for Singapore?
Bondek slab singapore. An advancement of the original name in steel formwork BONDEK II is an efficient versatile and robust structural decking and ceiling system for concrete slabs in conventional as well as composite slab design. Excellent spanning capacities for greater strength and less deflection.
How is Bondek used in the construction industry?
BONDEK® is a highly efficient, versatile and robust formwork, reinforcement and ceiling system for concrete slabs. It is a profile steel sheeting widely accepted by the building and construction industry to offer efficiency and speed of construction. New design rules have been developed for the design of
Where can I get a copy of Bondek design software?
Technical support Contact your local BlueScope Lysaght Technical Sales Representative to obtain additional copies the Design and Construction manual and User’s Guide for BONDEK®II Design Software. The software can be downloaded by visiting: www.lysaght.com.sg
What is the maximum slab span for Bondek?
Maximum slab spans, mm BONDEK®sheets continuous over single slab span Formwork deflections limits L/240 (Visual appearance important) Maximum slab spans, mm BONDEK®sheets continuous over single slab span Formwork deflections limits L/130 (Visual appearance not important) Notes: 1. These are formwork selection tables only.