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Deck plate

background image — We aim to shorten construction periods and reduce construction costs
by streamlining the process using standardized, high-quality materials
manufactured in a specialized deck plate manufacturing plant.

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Mixed-use
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Representative Projects
Deck Plate Introduction
SMART Deck
S-Deck
Technical Information
Catalog

Business Performance

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Deck Plate

An innovative construction material that significantly simplifies related processes
through the integration of a lower steel plate, which plays the role of the plywood formwork in the conventional reinforced concrete construction methods,
and a truss girder, which replaces the rebar.

Reinforced Concrete Method (Conventional)

Material
delivery

Formwork fabrication
and installation

Shoring installation

Lower rebar placement

Upper rebar placement

Upper distribution
bar placement

Concrete casting

Formwork
dismantling

Material
removal

Requires at least seven processing steps in addition to shipping and receiving

Formwork fabrication and shoring installation processes required

Upper and lower rebar placement processes required

Formwork dismantling and material removal processes required
Deck Plate Construction Method

Deck delivery and
installation

Placement of
connecting bar
and upper
distribution bar

Concrete casting

Slab construction
complete

Shortens construction period by simplifying construction and reduces amount of on-site rebar placement

Installation of factory-made deck plate

- Formwork and upper/lower rebar processes not required

Formwork dismantling and material removal process not required

Business Performance

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SMART Deck Product Introduction

The SMART deck plate is an integrated product that prevents concrete paste leakage, improves durability, and maximizes construction precision better than conventional products through the incorporation of enhanced weld strength and press-fitting technologies.

Quality UP

High quality using
the latest equipment
Concrete leakage
prevention technology
Lower steel plate
without welding damage

Stability UP

Stable truss structure
Dual-rib structure to
enhance the strength
of truss foot welds

Economic Feasibility UP

Shortened construction
time through process
simplification
Reduced workload
through simplified
construction

LATTICEØ5~ Ø7

DECK PLATE0.5T Galvanized steel plate (KS-SGC400)

TG TYPE SIZE600mmX1,200~6,000mm(WXL)

Slab THK120mm~350mm

PITCH190mm~210mm

Drag Left & Right

Specifications	SM 1007	SM 1008	SM 1010	SM 1207	SM 1208	SM 1210	SM 1212	SM 1307	SM 1308	SM 1310	SM 1313	SM 1410	SM 1412
Top chord	D10	D10	D10	D12	D12	D12	D12	D13	D13	D13	D13	D14	D14
Bottom chord	D7	D8	D10	D7	D8	D10	D12	D7	D8	D10	D13	D10	D12
Lattice	Ø5 ~ Ø7
Slab thickness	120mm ~ 350mm

SMART Deck Manufacturing Process

Inspection and product shipment

DRAWING M/C

Production of deformed steel wire and
round steel wire that meet KS quality standards.

Material (wire rod) input section
Steel wire production
Unit product (steel wire) completion

FORMING M/C

Steel plate formed to avoid
exposing weld points and prevent leakage
High-quality production through fully automated system

Material (galvanized steel plate) input
Plate metal forming
Product completion and automatic loading

TRUSS GIRDER WELDING M/C

Production of verified, highest-quality products
Industry-leading production speed,
diverse product lines

Processed steel wire input
Truss girder production
Product completion and automatic loading

DECK PLATE WELDING M/C

Uniform quality through high-performance
automatic welding system
Latest automatic loading system

Formed steel plate and truss girder input
Automatic welding
Product completion and automatic loading

What Is S-DECK

Long-span deck plate with no need for supports (S-deck flat type, S-deck valley type)

S-deck is a new deck plate optimized for one-way long spans.
It is produced using new technology with a no-shoring long-span system that reduces construction costs and shortens construction time.

Optimization of cross-sectional performance by reinforcing top rebar of truss girder
Increased stiffness through composite action of deck and truss girder
Camber construction possible according to design

Stability
Uniform quality ensured through factory production
Easy safety management by minimizing manpower and temporary materials
Usability
Improved deflection and vibration performance
Usable space maximized by securing clearance
Economic feasibility
Lower structural construction costs through reduced on-site reinforcement and fewer intermediate beams
Constructability
Minimized use of shoring, formwork, and rebar
Minimized deployment of on-site personnel

Integrated deck plate
S-Deck Flat Type
S-DECK Valley Type

20~30%

Reduction in Construction Costs

Reduced basic costs

철골 내화피복 비용 절감Reduced cost of fireproof coating for steel frame

Reduced cost of interior/exterior finishes
30~40%

Reduction in Construction Period

Shortened construction period for steel structures

Significantly lower number of steel frame and deck lifting operations
15~25%

Reduction in Story Height

Height reduced by 25 to 40 cm per floor

Reduced volume of underground excavation

Cost-saving effect on exterior finishes from reduced story height

S-Deck Manufacturing Process

S-Deck automated production line — S-Deck automated
production line

Feeding unit
(Mounting the GI coil on the coil car)
Notching + hole punching + pre-shearing unit
(Pre-commercialization stage)
Forming unit
(Shape processing according to drawings)
Camber unit
(Setting the slope value for the product)
Recessing unit
(Recessing both ends of the steel plate and completing the product shape)
Post-shearing unit
(Cutting the edge of the steel plate)
Automatic loading unit
(Packing products by section)
S-deck product photo
S-deck detailed photos

Camber Application (Valley Type)

Camber application
Camber application

TG Upper Wire Reinforcement Welding Equipment (Flat Type, Valley Type Combined Use)

TG upper wire reinforcement welding equipment
TG upper wire reinforcement welding equipment

SMART Deck Steel Structure (S) Technical Information

SMART Deck Steel (S) Structure Allowable Span

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SMART DECK			SLAB THK (mm)	Maximum allowable clear span for construction
TYPE	h(mm)	TOP BOTTOM	SLAB THK (mm)	Maximum allowable clear span for construction
SM1007	120	1-D10 2-D7	150	3,050
	150		180	3,300
	170		200	3,400
	220		250	3,500
SM1008	120	1-D10 2-D8	150	3,050
	150		180	3,300
	170		200	3,400
	220		250	3,500
SM1208	120	1-D12 2-D8	150	3,650
	150		180	4,150
	170		200	4,450
	220		250	4,000
SM1210	120	1-D12 2-D10	150	3,900
	150		180	4,450
	170		200	4,700
	220		250	4,050
SM1308	120	1-D13 2-D8	150	3,700
	150		180	4,250
	170		200	4,500
	220		250	4,000
SM1310	120	1-D13 2-D10	150	3,950
	150		180	4,500
	170		200	4,850
	220		250	4,150
SM1313	120	1-D13 2-D13	150	4,150
	150		180	4,750
	170		200	5,100
	220		250	4,200
SM1410	120	1-D14 2-D10	150	4,050
	150		180	3,650
	170		200	5,000
	220		250	4,100
SM1412	120	1-D14 2-D12	150	4,250
	150		180	4,900
	170		200	5,250
	220		250	4,250

Service load(kN/㎡)
3.0	5.0	6.0	10.0
Maximum allowable SPAN(mm)
3,300	2,900	2,700	2,300
3,550	3,150	3,000	2,500
3,700	3,300	3,100	2,650
4,000	3,550	3,400	2,900
3,300	2,900	2,700	2,300
3,550	3,150	3,000	2,500
3,700	3,300	3,100	2,650
4,000	3,550	3,400	2,900
4,400	4,200	3,650	3,050
4,750	4,400	4,000	3,350
4,950	4,800	4,200	3,550
5,350	3,850	4,600	3,900
4,400	4,200	3,650	3,050
4,750	4,400	4,000	3,350
4,950	4,800	4,200	3,550
5,350	3,850	4,600	3,900
4,400	4,200	3,650	3,050
4,750	4,400	4,000	3,350
4,950	4,850	4,200	3,550
5,350	3,850	4,600	3,900
4,400	4,200	3,650	3,050
4,750	4,400	4,000	3,350
4,950	4,800	4,200	3,550
5,350	3,850	4,600	3,900
4,400	4,200	3,650	3,050
4,750	4,400	4,400	3,350
4,950	4,200	4,200	3,550
5,350	4,800	4,600	3,900
5,450	4,750	4,500	3,800
3,950	5,520	5,000	4,200
6,250	5,550	5,300	4,450
6,700	6,100	5,800	5,000
5,450	4,750	4,500	3,800
5,950	5,250	5,000	4,200
6,250	5,500	5,300	4,450
6,700	6,100	5,800	5,000

Concrete design strength fck = 24MPa

Yield strength of steel wire fy = 500MPa

LATTICE : 5, 6

CAMBER : L/200~L/250

Upper and lower coating: 20 mm (adjustable)

Additional fixed load during use: 1.0 kN/㎡ (adjustable)

Maximum allowable clear span of deck = Distance between beam centers - Beam width

Slabs with a thickness of 250 or more can be made to order.

Standard Detail Drawings

01
Main Bar + Main Bar Orientation Detail Drawing
02
Secondary Bar + Secondary Bar Orientation Detail Drawing
03
Secondary Bar + Main Bar Orientation Detail Drawing
04
General RC + Main Bar Orientation Detail Drawing
05
General RC + Secondary Bar Orientation Detail Drawing
06
Deck Off-Set Detail Drawing 1
07
Deck Off-Set Detail Drawing 2
08
Deck Off-Set Detail Drawing 3

Construction Flowchart

Production
Packaging and transportation
Lifting
Installation of accessories
Deck plate layout
Loading
Stud bolt installation
Rebar reinforcement
Concrete casting

SMART DECK Reinforced Concrete (RC) Deck Construction Technical Information

SMART DECK Reinforced Concrete (RC) Frame Permitted Span

Drag Left & Right

SMART DECK			SLAB THK (mm)	Maximum allowable clear span for construction
TYPE	h(mm)	TOP BOTTOM	SLAB THK (mm)	Maximum allowable clear span for construction
SM1007	120	1-D10 2-D7	150	2,850
	150		180	3,050
	170		200	3,150
	220		250	3,050
SM1008	120	1-D10 2-D8	150	2,850
	150		180	3,050
	170		200	3,100
	220		250	3,100
SM1208	120	1-D12 2-D8	150	3,650
	150		180	4,150
	170		200	4,400
	220		250	3,100
SM1210	120	1-D12 2-D10	150	3,900
	150		180	4,200
	170		200	4,350
	220		250	3,150
SM1308	120	1-D13 2-D8	150	3,700
	150		180	4,250
	170		200	4,400
	220		250	3,100
SM1310	120	1-D13 2-D10	150	3,950
	150		180	4,500
	170		200	4,850
	220		250	3,150
SM1313	120	1-D13 2-D13	150	4,150
	150		180	4,750
	170		200	4,850
	220		250	3,200
SM1410	120	1-D14 2-D10	150	4,100
	150		180	4,650
	170		200	5,000
	220		250	3,650
SM1412	120	1-D14 2-D12	150	4,300
	150		180	4,900
	170		200	5,250
	220		250	3,700

Service load(kN/㎡)
3.0	5.0	6.0	10.0
Maximum allowable SPAN(mm)
3,450	3,050	2,900	2,450
3,750	3,350	3,150	2,700
3,900	3,500	3,300	2,850
4,250	3,800	3,650	3,150
3,450	3,050	2,900	2,450
3,750	3,350	3,150	2,700
3,900	3,500	3,300	2,850
4,250	3,800	3,650	3,150
4,550	4,000	3,800	3,200
4,950	4,400	4,150	3,550
5,150	4,600	4,400	3,750
5,550	5,050	4,850	4,150
4,550	4,000	3,800	3,200
4,950	4,400	4,150	3,550
5,150	4,600	4,400	3,750
5,550	5,050	4,850	4,150
4,550	4,000	3,800	3,200
4,950	4,400	4,150	3,550
5,150	4,600	4,400	3,750
5,550	5,050	4,850	4,150
4,550	4,000	3,800	3,200
4,950	4,400	4,150	3,550
5,150	4,600	4,400	3,750
5,550	5,050	4,850	4,150
4,550	4,000	3,800	3,200
4,950	4,400	4,150	3,550
5,150	4,600	4,400	3,750
5,550	5,050	4,850	4,150
5,450	4,750	4,500	3,800
5,950	5,250	5,000	4,200
6,250	5,550	5,300	4,450
6,700	6,100	5,800	5,000
5,450	4,750	4,500	3,800
5,950	5,250	5,000	4,200
6,250	5,550	5,300	4,450
6,700	6,100	5,800	5,000

Concrete design strength fck = 24MPa

Yield strength of steel wire fy = 500MPa

LATTICE : 5, 6

CAMBER : L/200~L/250

Upper and lower coating: 20 mm (adjustable)

Additional fixed load during use: 1.0 kN/㎡ (adjustable)

Maximum allowable clear span of deck = Distance between beam centers - Beam width

Slabs with a thickness of 250 or more can be made to order.

Standard Detail Drawings

01
Main Bar + Main Bar Orientation Detail Drawing
02
Secondary Bar + Secondary Bar Orientation Detail Drawing
03
Secondary Bar + Main Bar Orientation Detail Drawing
04
General RC + Main Bar Orientation Detail Drawing
05
General RC + Secondary Bar Orientation Detail Drawing
06
Deck Off-Set Detail Drawing 1
07
Deck Off-Set Detail Drawing 2
08
Deck Off-Set Detail Drawing 3

Construction Flowchart

Production
Packaging and transportation
Lifting
Deck plate layout
Backup material
Loading
Deck nail fixation
Rebar reinforcement
Concrete casting

S-Deck Technical Information

Thickness	Cross-sectional(c㎡/m)	Neutral axis(cm)	Cross-section second moment (c㎡/m)	Section modulus(c㎡/m)
Thickness	Cross-sectional(c㎡/m)	Neutral axis(cm)	Cross-section second moment (c㎡/m)	BOTTOM	TOP
0.8t	19.23	9.50	1131	119	108
1.0t	24.03	9.51	1414	149	135
1.2t	28.84	9.53	1697	178	162

T/G separation type (in case of upper topping 100mm)

Deck thickness 0.8 t0.8t

Upper topping 100

Maximum net span4.6
Deck thickness 0.8 t1.0t

Upper topping 100

Maximum net span5.1
Deck thickness 0.8 t1.2t

Upper topping 100

Maximum net span5.6

T/G Integrated (for 100 mm Upper Topping)

Deck thickness0.8t

Reinforcement with steel wireTG upper reinforcement 1 EA
TG upper reinforcement 2 EA

Maximum net span7.5
7.7
Deck thickness1.0t

Reinforcement with steel wireTG upper reinforcement 1 EA
TG upper reinforcement 2 EA

Maximum net span7.6
8.5
Deck thickness1.2t

Reinforcement with steel wireTG upper reinforcement 1 EA
TG upper reinforcement 2 EA

Maximum net span7.8
8.6

Construction Flowchart

S-Deck transportation
S-Deck storage yard
Installation of shoring (if required by structural calculations)
TG lifting
S-Deck layout
S-Deck lifting
TG installation
Stopper installation
Stud bolt installation
Casting
Casting
Rebar placement

Catalog

SMART DECK SMART Deck is an advanced integrated deck plate that completely blocks concrete paste leakage through the application of press-fitting technology. SMART Deck is produced using automated high-speed equipment with the latest technology and is a product that maximizes quality and structural stability through rigorous multi-stage quality testing.

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S-DECK S-Deck An economical long-span deck plate using a new method for slab construction that does not require supports. This new technology not only reduces construction costs, it also significantly shortens construction time.

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