Slope reinforcement site
EST. 1986 · DONGA SPECIAL CONSTRUCTION

The depth of technology
that holds the slope.

Korea’s pioneer in slope stability. 40 years of field experience and 2,360MPa high-strength strand technology deliver the most reliable geotechnical and disaster-prevention solutions.

40 yrs
Heritage & Trust
Experience since 1986
31
Technology Patents
Results of innovation
356
Completed Projects
Successfully delivered
01 — ABOUT
1986
A slope-stability specialist that pioneered the field in Korea.

“Better technology for ultimate safety.”

As the company that pioneered slope stabilization in Korea in 1986, Donga Special Construction has invested relentlessly in new technology and met every challenge with pride. Never settling for the status quo, we keep sharpening our expertise with the latest equipment and methods to be the partner our clients trust most — always thinking one step ahead.

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02 — SOLUTIONS

Wherever the ground moves, Donga has the method.

Built on advanced technology and decades of know-how, we deliver special-construction solutions that push past the limits of civil engineering.

Rock Cut-slope
S.01ROCK CUT-SLOPE

Rock Cut-slope

Permanent 2,360MPa strand anchors installed on rock cut faces to prevent collapse.

Cut & Fill Slope
S.02CUT & FILL SLOPE

Cut & Fill Slope

Permanent anchors combined with SAP/shield walls and PC/FDS blocks to prevent failure.

Debris-flow System
S.03DEBRIS-FLOW

Debris-flow System

O-Net, Q-Net, T-Dex and integrated reinforcement defend against landslide debris flow.

Tie Cable
S.04TIE CABLE

Tie Cable

Distributes heavy loads on harbor moorings, dam cofferdams and temporary roads.

Bridge Cable
S.05BRIDGE CABLE

Bridge Cable

High-strength strand for cable-stayed and suspension bridges, extending span.

Rockfall System
S.06ROCKFALL

Rockfall System

Rockfall nets and fences that block damage from falling rock.

Integrated Slope
S.07INTEGRATED

Integrated Slope

Rock bolts and nailing combined with nets to stop progressive slope failure.

03 — TECHNOLOGY

2,360MPa strand,
engineered to share the load.

Permanent-anchor technology using high-strength strand stabilizes rock and cut/fill slopes. A compression-composite anchorage removes concentrated load and sustains long-term tension.

View patents & R&D
2,360
MPa strength
High-strength strand
40+
yrs field work
Since 1986
31
Patents
Continuous R&D
356
Projects
Nationwide

Let’s start your project.

Our engineering team proposes a tailored solution optimized for your project requirements.

Contact us