Decking Smartdek

SMARTDEK™ 51 Structural Decking System

Overview

Menara Imperium, Jakarta, Indonesia

LYSAGHT SMARTDEK™ 51 Structural Decking System is

SMARTDEK™ 51 is suitable for typical applications as it

an innovative high strength zinc-coated steel decking system

 provides widest cover per weight of steel and also minimises

designed for use in the construction of composite oor slabs. It is

the requirement for reinforcement. It acts as a permanent

specically developed for the Indian Construction Industry and is

formwork for a composite concrete slab, which in its assembled

one of the most economical structural steel decking in the country.

state can be used as a working platform as well as a formwork to

SMARTDEK™ 51 system complements the LYSAGHT ® proles,

support wet concrete, construction materials and trades. When

which is a premium range of roong and wall cladding solutions.

the concrete hardens, it acts as the bottom tensile reinforcement.

The high quality LYSAGHT SMARTDEK™ 51 Structural Decking

SMARTDEK™ 51 system is a complete structural steel decking

System reinforces the principles of trust and reliability that Tata

system for concrete, masonry and steel frame construction and

BlueScope Steel represents.

has an exceptional composite performance.

History of LYSAGHT ®  Decking Prole

2 

1964

1968 

1989

1992 

1998 

2006 

TROFDEK  ® 

CELDEK  ® 

BONDEK  ® II

W-DEK  ® 

POWERDEK  ® 

SMARTDEK TM 51

Designed to Perfection LYSAGHT SMARTDEK™ 51 Structural Decking System is an

SMARTDEK™ 51 panel has a rib depth of 51 mm and provides

innovative “W” prole structural steel decking system. It brings

an effective cover width of 960 mm as shown in the gure 1.1.

greater economy and design freedom as it is precision engineered

Embossments on top of the ange provide excellent mechanical

and provides ease of use as well as safety. SMARTDEK™ 51

interlocking between steel and concrete. In the assembled state,

system has excellent spanning capacities that ensure greater

the prole compromises of intermediate male and female ribs for

strength and less deection.

every interlocking side-lap joint.

LYSAGHT SMARTDEK™ 51 Stiffener 

Embossment

Reinforcement Embossments

Stiffener Concrete

Mesh Reinforcement

b

51 mm

SMARTDEK™ 51

Cover width 960mm

Figure 1.1

SMARTDEK™ 51 Section Properties SMARTDEK™ 51 Self Weight Full Zinc Steel Thickness  Cross-Sectional Coating Grade (kg/m2) (BMT) (mm)

Jin Mao Tower, Shanghai, China

Inertia Moment 

Section Modulus

Area (mm2 /m)

(g/m2)*

(MPa)**

lx1 (mm4 /m)

Zx1 (mm3 /m)

0.70

7.35

888.9

275

550

409687.50

15156.25

1.00

10.34

1269.7

275

550

526562.50

19479.17

1.20

12.33

1523.9

275

500

701979.17

25958.33

Note: * Nominal coating thickness ** Minimum yield strength of steel Please contact nearest Tata BlueScope Steel ofce for other thickness and coating options

3

Benets of LYSAGHT SMARTDEK™ 51 system Comparison Chart Conventional RCC Slab     t    n    e    m    e     l     E     l    a    r    u     t    c    u    r     t     S

Lost Formwork Decking Slab

Temporary Shuttering removed after concrete curing 

Temporary Shuttering

Decking acts as a lost formwork material 

Lost Formwork

Temporary Shuttering removed after slab sets    n    o     i     t    c     A    e     t     i    s    o    p    m    o     C

No bonding between steel sheet & concrete

No Bonding

Temporary Shuttering

Concrete volume as per required slab depth    g    n     i    v    a     S    e     t    e    r    c    n    o     C

Extra concrete required at the prole valleys

Concrete as Required

b a

Extra Concrete

Reinforcement steel as required

Decking acts as extra steel to the slab

   g    n     i    v    a     S     l    e    e     t     S

Top Reinforcement Bottom Reinforcement

Top Reinforcement

Lost Formwork (Extra Steel)

Bottom Reinforcement

Requires complex prop arrangement

    t    n    e    m    e    g    n    a    r    r     A    p    o    r     P

   e    m     i     T    n    o     i     t    c    u    r     t    s    n    o     C

4

Reduction in props

Props at Regular Interval

Normal speed of construction Level 1

Props at Regular Interval

Decking application enhances construction speed Level 2

Level 1

SMARTDEKTM 51 Structural Decking Slab

Smart Software Excel based SMARTDEK™ 51 software and MEGAFLOOR

SMARTDEK™ 51 acts as an integral structural element 

structural decking software for the design of composite slabs with SMARTDEK™ 51 prole will be available to assist engineers and consultants in deriving an optimal solution. SMARTDEK™ 51 software should be used in conjunction with the SMARTDEK™

Structural Decking

51 design manual.

Embossments provide mechanical interlock between steel & concrete

Embossments (Strong Mechanical Interlock)

Concrete saving makes construction economical 

Smart Construction SMARTDEK™ 51 system provides a safe working platform that

c

is fast and easy to set up and therefore minimises multi-storey construction time. Faster construction time allows optimisation on Concrete Saving

c