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We will lead the construction industry
with creative and constant challenge spirit
through research on construction technology.
홈아이콘 Home > Technology development > Technology Research

Technology Research

Research & Development
Create new value of future construction industry.

Technology Center

The Technology Center of Dong-A Construction Industry Co., Ltd. was established by the approval of the Ministry
of Education, Science and Technology on May 14, 1985 to play a leading role in construction technology development.
Specialists in each field seeking technology advancement are concentrating all efforts to develop new technologies and new methods.
We are raising the competitiveness of domestic construction industry with excellent research performance.

Research Performance

The Technology Center of Dong-A Construction Industry Co., Ltd. has 7 cases of new technology development, 7 cases of government
institution national research projects performance, 40 patents (including overseas patents), 19 utility models, and 1 design.

Achievements of New Technology Development

No. Name of New Technology Notification No. Protection Period Authorized by
1 Extremely Soft Surface Layer Solidifying Treatment Method New Excellent
Technology
No.16		 Feb. 18. 1995
~
Feb. 17. 2005		 Ministry of Land, Transport, and Maritime Affairs (Ministry of Construction & Transportation)
2 Crack Prevention Method on the plastered Ondol (Korean Floor Heating System) New Excellent
Technology
No.29		 Feb. 16. 1996
~
Feb. 05. 2003		 〃
3 Manufacturing and Constructional Technology of the Cement Mortar for Ceiling Rock Bolt use New Excellent
Technology
No.60		 Apr. 24. 1997
~
Apr. 23. 2002		 〃
4 No-oxygen or Anaerobic Leachate Treatment Stage 2 Method New Excellent
Technology
No.164		 Apr. 26. 1999
~
Apr. 25. 2004		 〃
5 Awwa C-304 Applied PPC Pipe Design and Fitting Design Computation Program New Excellent
Technology
No.170		 Jun. 04. 1999
~
Jun. 03. 2004		 〃
6 Special Injecting Method using the Material(DAST-2000) for Tunnel Lining Back Filler use New Excellent
Technology
No.259		 Dec. 29. 2000
~
Dec. 28.2003		 〃
7 Food Waste Drying Treatment Device for Recycling New Technology
Certification
No.96-103		 Apr. 29. 1996
~
Apr. 28. 1999		 Small and Medium
Business Administration

Results of National Policy Researches

No. Name of Task Period Research Details Comparison
1 Development and
Constructional Method of
Bentonite Composite Lining
Material to prevent Leachate
leakage on Landfill		 Jan.98~Dec.99 Developed the composite liner
and constructional method to block
the Leachate contaminating
the land and underground-water
around landfill.		 Ministry of Knowledge
and Economy
(Ministry of Commerce,
Industry and Energy)
National Policy
Research Task
2 Development of Under Floor
air-conditioning (UFAC) system		 Jun.96~Aug.98 Developed Under-floor
Air-conditioning System by improving
the existing system which
air-conditioned on the ceiling or
side wall in order to enhance
air-conditioning effect and energy
efficiency in high-ceiling buildings.		 〃
3 Development of High Volume
Fly Ash Concrete		 Jan.98~Dec.99 Developed the concrete by using
waste, fly ash in order to activate
waste-recycling.		 〃
4 LFG of over 10 Million m3/year Verification Test Jan.98~Dec.99 Developed to produce medium quality gas applicable for heating use in adjacent area of landfill by using main component methane gas after eliminating harmful gas generated on the landfill. 〃
5 Development of Housing Environment System
by using VR		 Dec.95~Oct.96
& Nov.97~Oct.98		 Developed the method to prevent
design error by using Virtual Reality
in housing design.		 Ministry of Education,
Science and Technology
(Ministry of Science
and Technology)
National Policy
Research Task
6 Development of VR Integrated Housing Environment Design/Estimate System Dec.98~Nov.2000 Developed the method to easily
design a house and estimate
construction cost by using
virtual reality.		 〃
7 Using Landfill Ground for constructional site Dec.98~Dec.2000 Developed the technology to stabilize landfill ground at the early stage by extracting the generated gas and by hardening the ground in order to solve the ground settlement on the landfill. Ministry of Land,
Transport, and
Maritime Affairs
(Ministry of Construction
& Transportation)
National Policy
Research Task

Present State of the Rights of Industrial Assets

1. Patent

No. Name of Patent Application No.
(Application Date)		 Registration No.
/Registered Year
1 Rock Bolt Constructional Method 92- 5381 (Mar.31.92) No.088744/95
2 Soft Ground Improvement Method 92-23366 (Dec.04.92) No.099211/96
3 Vehicle for Excavation of Slope Tunnel use 93- 6729 (Apr.21.93) No.105627/96
4 Concrete Lining Method of Rounded Vertical Tunnel Part
& Concrete Lining Form		 93- 9155 (May.25.93) No.105632/96
5 PCCP PIPE LINE Water-Pressure Testing Method and Equipment 93- 9156 (May.26.93) No.103583/96
6 Formwork for making wave canceling block 93-10669 (Jun.11.93) No.109614/96
7 Composition of High-strength Concrete Pile for normal-pressure steam generation use 93-17429 (Sep.01.93) No.109226/96
8 Manufacturing method of hardening agent to improve soft ground 94- 9145 (Apr.28.94) No.145637/98
9 Crack-Prevention Mortar of Plastering Finishing Material on Ondol 94-21221 (Aug.26.94) No.118630/97
10 Manufacturing Method of High-strength concrete 94-26948 (Oct.21.94) No.120942/97
11 Form Support for Sludge Digester use 95-41298 (Nov.14.95) No.163653/98
12 Manufacturing Method of Self-Compacting Concrete 95-54482 (Dec.22.95) No.145101/98
13 Manufacturing Method of High-Durability Concrete 95-54481 (Dec.11.95) No.147002/98
14 Manufacturing Method of High-Durability Concrete for high-quality construction 95-51981 (Dec.19.95) No.196702/99
15 Manufacturing Method of High-tension Nut by Hot Forging Process 96-1520 (Jan.24.96) No.232722/99
16 Manufacturing Method of the concrete with Fly Ash 96-53391 (Nov.12.96) No.220901/99
17 Nitrogen-Eliminating Method from waste water 96-56853 (Nov.23.96) No.0242715/99
18 Manufacturing and constructing method of Non-crack
water-proofing mortar 		96-68010 (Dec.19.96) No.201864/99
19 Defected Torque Shere Bolt Detector 97-14440 (Apr.18.97) No.0242714/99
20 Sewage Disposal Recycling Method of Concrete Manufacturing Factory 97-20755 (May.26.97) No.120621/97
21 PCCP Design by using UDP 97-25886 (Jun.19.97) No.0239912/99
22 PCCP related Design Operational Method using GUI 97-25867 (Jun.19.97) No.227408/99
23 Automatical Form Liftingt Equipment 97-48596 (Sep.24.97) No.0239913/99
24 Blasting Vibration Estimating Method 97- 3903 (Feb.10.97) No.191920/99
25 Piling Vibration Estimating Method 97- 3904 (Feb.10.97) No.191921/99
26 Piling Vibration Estimating Method 97- 3905 (Feb.10.97) No.191922/99
27 Traffic Noise Estimating Method 97- 5995 (Feb.26.97) No.206586/99
28 Grouting Material to fill Tunnel Lining Back 00-0018101 (Apr.00.07) No.0377829/03
29 Light-weight filler for Tunnel and Large Cavern 00-0018019 (Apr.04.2000) No.0381744/03
30 Operator's Safety Gear on Tower Crane 00-2261 (Apr.27.2000) No.0335355/02
31 Waste Heating Treatment Equipment 96-000459 (Feb.26.96) No.0165173/98
32 Dancing Hall Bolt 94- 3210 (Feb.23.94) No.124656/96
33 Method to inject Grout into Craven of Tunnel Back
& relevant equipment		 94- 3210 (Feb.23.94) No.0399404/03
34 Constructional Method of Integral-Abutment Bridge 98-61198 (Dec.30.98) No.321066/01
35 Construction Method of Filling Joint to tolerate the displacement
of Integral-Abutment Bridge		 98-61199 (Dec.12.98) No.0279124/00
36 Water-purifying System 97-31269 (Jul.07.97) No.0242666/99
37 Bedrock Blasting Method 97-67403 (Dec.10.97) No.0249346/99
38 Dual Loop Tunnel Structure 99-51721 (Nov.20.99) No.0477323/05
39 How to operate the PPCP related design system by using GUI No.09/099.962 (Jun.19.98) American Patent
6151680/00
40 Gasket Reclamation Type Culvert 07-0102427 (Jul.10.11) No.0911607/09
41 Fixing Structure for Gabion Mat 09-0118951 (Sep.12.03) No.100956031/10

2. Utility Model

No. Name of Utility Model Application No.
(Application Date)		 Registration No.
/Registered Year
1 Device to prevent the leakage of mortar from Twin-shaft Mixer for Batch Plant use 94-5260 (Mar.15.94) No.106836/97
2 Automatic Tire Washer 96-14509 (May.31.96) No.132059/98
3 Median Strip for Road use 97-18370 (Jul.11.97) No.152994/99
4 Bolt-Hole Protective Cover for I-type Supporting Beam 97-31161 (Nov.06.97) No.162187/99
5 Concrete Pipe and connecting means to construct inner wall 98-22157 (Nov.14.98) No.152995/99
6 Boom Stacker 99-3169 (Mar.02.99) No.183080/00
7 Fabricated Safety Guard-rail Support 94- 4330 (Mar.07.94) No.104261/97
8 H-Beam Type Guard Instrument 96-66215 (Dec.31.96) No.144755/99
9 P.C Panel on the Road for Container-Conveying Crane 97- 954 (Jan.24.97) No.143911/99
10 Wet Dust Remover 95-16884 (Jul.10.95) No.121317/98
11 Vertical Binding Device of Fabricated Walls 95-33492 (Nov.14.95) No.134912/98
12 Vertical Binding Device of Fabricated Walls 95-33491 (Nov.14.95) No.142624/99
13 Food Waste Recycling Device 95-16289 (Jul.04.95) No.126651/98
14 Vehicle wheel and bottom Cleaning Device 93-18065 (Sep.10.93) No.089858/95
15 Liner Pad Height Controller 97-36581 (Dec.11.97) No.165399/99
16 Impinger of Wast Incinerator 94-13672 (Jun.13.94) No.110570/96
17 Improvement of earthquake-resistance of Multi-Span Integral Abutment Bridge using PC Beam & Reinforced Concrete Shear Block Structure to confine horizontal displacement 98-27564 (Feb.12.98) No.162178/96
18 Sealant 96-36441 (Feb.10.96) No.162178/96
19 High-strength Concrete Structure for PSC Beam Bridge use 99-26678 (Sep.22.99) No.215238/00

3. Design

No. Name of Desgin Application No.
(Application Date)		 Registration No.
/Registered Year
1 Boom Stacker 97 - 78 (Jan.07.97) No.222221/98