Gabion wall design and install in Malaysia.
Infraconcrete Construction Sdn Bhd is the leading gabion wall contractor in Malaysia. Specialist CIDB G7 installer for gabion box retaining walls (1-8 m height), gabion mattress channel lining and scour protection, plus welded mesh gabion for architectural and urban applications. Approved galvanised, PVC-coated, or Galfan zinc-aluminium alloy coatings per BS EN 10223-3 (woven hexagonal mesh) and BS EN 10223-8 (welded mesh). Hand-packed hard angular stone fill 100-200 mm. Applications: retaining walls, riverbank training, bridge-pier scour, drainage chute armoring, highway cut-slope toe, architectural feature walls. Designed and installed to BS EN 1997 (Eurocode 7), BS 8002, USACE EM 1110-2-1601 (hydraulic), FHWA-HEC-23 (bridge scour), AASHTO LRFD, JKR-SPJ Section 7. ISO 9001:2015.
A flexible gravity wall built from stone-filled mesh baskets.
A gabion wall is a gravity retaining structure built from rectangular wire-mesh baskets (gabion boxes, typical 1 m by 1 m by 1-2 m) hand-packed with hard angular stone (typical 100-200 mm). Stacked baskets form a wall that resists overturning, sliding, and bearing failure through self-weight, friction with the foundation, and the interlocked stone-mesh composite acting as a flexible monolith.
Three engineering advantages over rigid retaining walls: permeability (no hydrostatic build-up behind the wall), flexibility (tolerates differential settlement without cracking, suiting soft or settlement-prone foundations), and vegetation friendly (cell voids accept hydroseeding or planted vegetation that softens the visual face over time). Heights 1-8 m typical without geogrid reinforcement; heights above 8 m typically use a geogrid-tail-back configuration (a gabion-faced reinforced soil wall). Designed to BS EN 1997 (Eurocode 7), BS 8002, USACE EM 1110-2-2502.
Gabion box, gabion mattress, welded mesh.
Gabion box (woven hexagonal mesh)
Tall units, typical 1 m depth. Used for retaining wall construction (1-8 m heights), bridge abutments (with geogrid tail-back for taller walls), terraced architectural walls. Woven hexagonal mesh per BS EN 10223-3, double-twist construction so a single broken wire does not unravel the mesh. Mesh aperture typical 60 by 80 mm or 80 by 100 mm. Wire diameter 2.7-3.0 mm core (heavy galvanised) or 3.7-4.0 mm including PVC coating. Selvedge wire 1 size heavier than mesh wire for box-edge robustness.
Gabion mattress
Low-profile units (150-300 mm depth, typical 2-6 m plan length). Used for channel lining, riverbank protection, bridge-pier scour, drainage chute armoring, sub-base reinforcement under low-volume road sections. The low height profile gives high stability against drag flow and high contact area with the protected surface. Internal diaphragms every 1 m prevent stone migration within the mattress. Standard hydraulic design per USACE EM 1110-2-1601 and FHWA-HEC-23.
Welded mesh gabion
Stiffer alternative to traditional woven hexagonal mesh, made from cold-drawn wire welded at every intersection per BS EN 10223-8. Less flexible (lower tolerance of differential settlement) but cleaner architectural lines. Used where face-line precision and visual finish matter: urban landscape walls, sound barriers, retaining walls in commercial developments, sensitive site interfaces. Wire diameter 4.0-5.0 mm typical, aperture 75 by 75 mm or 100 by 100 mm.
Galvanised, PVC-coated, or Galfan.
| Coating | Standard | Design life | Where to use |
|---|---|---|---|
| Heavy galvanised (Class A) | BS EN 10244-2, zinc 245-300 g/m² | 25-50 years | Inland sites, neutral pH residual soil, freshwater. Base option for most Malaysian projects. |
| Galfan (Zn-Al 95/5 or 90/10) | BS EN 10244-2 Class B | 50-75 years | Mild to moderate aggressivity. Compromise between galvanised cost and PVC-coated durability. |
| PVC-coated over galvanised | 0.5 mm PVC sheath over Class A galvanised core | 50-100 years | Coastal (Pasir Gudang, Port Klang, Penang Port, Kuantan Port, Sabah / Sarawak coastal), brackish water, urban polluted streams, chloride-rich groundwater, aquaculture pond perimeter, POME polishing pond, mining tailings perimeter. |
For aggressive sites, soil aggressivity testing per BS 8006-2 Annex C (pH, resistivity, chloride, sulphate, redox) drives the coating choice. We aim for design life equal to or exceeding the host structure design life (typically 100-120 years for federal infrastructure, 50-75 years for commercial / residential).
Where gabion fits.
Retaining walls 1-8 m
Gabion box stacked in stepped or vertical face. Hillside cut platforms, township access roads, commercial site perimeter walls, residential landscape. Pairs with soil nailing above the wall for cut-slope stabilisation.
Riverbank training and erosion protection
Gabion mattress on the bank face, gabion box at the toe. Designed to USACE EM 1110-2-1601 for permissible flow velocity and shear stress. Common on JPS (Jabatan Pengairan dan Saliran) and DID (Drainage and Irrigation Department) river training projects across Malaysia.
Bridge-pier scour protection
Gabion mattress around bridge piers in the scour zone. Designed to FHWA-HEC-23 with appropriate factor of safety against horseshoe vortex scour. Used on federal road and rail bridges over major rivers.
Drainage chute armoring
Gabion mattress or thin gabion box in concrete-lined or earth drainage chutes carrying high-velocity discharge from cut slopes, highway drainage, or storm pond outlets. Energy dissipation plus erosion resistance in one system.
Highway cut-slope toe
Gabion box toe wall at the base of a cut slope, taking part of the slope load and providing a permeable toe drain. Pairs with horizontal drains emerging through the gabion face.
Architectural / landscape features
Welded mesh gabion or PVC-coated woven gabion for visible landscape walls, seating walls in public spaces, decorative perimeter walls. Modern commercial and residential developments increasingly specify gabion for the natural stone aesthetic.
From hydraulic and geotechnical demand to wall geometry.
Gabion wall design follows three parallel paths depending on application. Retaining wall: BS EN 1997 (Eurocode 7) and BS 8002 / USACE EM 1110-2-2502 stability checks (overturning factor of safety greater than 2.0, sliding greater than 1.5, bearing capacity greater than 2.5, global stability greater than 1.4). Wall geometry typically 0.5-0.7 times the height in base width for self-stable design. Stepped back face is common to reduce base width on tall walls.
Hydraulic structures (riverbank, scour, chute): USACE EM 1110-2-1601 plus FHWA-HEC-23 for bridge scour. Permissible velocity for gabion mattress is 4-6 m/s depending on stone size and mattress thickness; permissible shear stress 200-400 N/m². Toe scour depth and edge anchorage drive the upstream and downstream extents.
Gabion-faced reinforced soil wall (heights above 8 m or steep face angles): BS 8006-1 and FHWA-NHI-10-024 design with geogrid tail-back (StrataGrid PET via Starwall) extending into the reinforced backfill, gabion box forming the wall face. Combines the architectural finish and drainage benefits of gabion with the height capacity of geogrid reinforcement.
How a gabion is built on site.
- Foundation preparation. Trim to design profile, place compacted granular bedding (typical 100-200 mm) for level support, install separation geotextile if subgrade has fines that might migrate into the basket fill.
- Basket assembly. Unfold the flat-shipped basket on level ground, fold up sides and ends, tie corner edges with selvedge wire or proprietary spiral binders. For tall walls, assemble baskets in courses.
- Place and tie. Position assembled basket on bedding, tie to adjacent baskets along all shared edges with lacing wire (1 size lighter than mesh wire) at 100-150 mm pitch.
- Internal bracing. Install internal cross-ties (bracing wires) between front and back walls of the basket at vertical intervals of 300 mm to prevent bulging under stone load.
- Stone fill. Hand-pack face stones flat for aesthetic finish (minimal voids visible on the wall face). Machine-tip interior stones for production rate. Compact in 200-300 mm lifts.
- Lid closure. Fold lid over filled basket, tie along all edges with lacing wire.
- Course-by-course construction. Repeat for each course, with each basket course tied to the course below.
- Documentation. Stone source certificate, mesh manufacturer certificate of conformance, dry density verification, lacing wire batch record. Submitted to consultant for acceptance per QA / QC programme.
What changes in our climate and rivers.
Monsoon scour design
Malaysian rivers see large flow variability between dry and monsoon seasons. Design hydraulic capacity for the 100-year ARI (Annual Recurrence Interval) flood per JPS guidelines. For East Coast and Sabah / Sarawak rivers crossing flood-prone alluvium, scour protection design considers both bed degradation and migrating bend scour. Edge anchorage of gabion mattress (toe-down at upstream and downstream extents) prevents flanking failure during peak flow.
Coastal and brackish water exposure
Coastal Malaysian sites (Penang, Pasir Gudang, Port Klang, Kuantan, Sabah / Sarawak coastal estuaries) carry chloride-rich water that aggressively attacks galvanised steel. PVC-coated mesh is the routine specification for any gabion in contact with coastal, brackish, or tidal water.
JPS and DID engagement
River training and flood mitigation gabion projects typically engage JPS (Jabatan Pengairan dan Saliran Malaysia) and the state DID office during design review. Spec alignment with the JPS Drainage Manual is the first step in any river-corridor submission.
Codes for design and submission.
| Standard | Coverage |
|---|---|
| BS EN 10223-3 | Hexagonal woven steel wire mesh products for civil engineering purposes |
| BS EN 10223-8 | Welded mesh panel products |
| BS EN 10244-2 | Zinc and zinc alloy coatings on steel wire (galvanising classes) |
| BS EN 10245 | Polymer coatings (PVC) on steel wire |
| BS EN 1997 (Eurocode 7) | Geotechnical design, partial factor LRFD |
| BS 8002 | Earth retaining structures, Code of practice |
| USACE EM 1110-2-1601 | Hydraulic design of flood-control channels |
| USACE EM 1110-2-2502 | Retaining and flood walls |
| FHWA-HEC-23 | Bridge scour and stream instability countermeasures |
| AASHTO LRFD | Bridge design specifications |
| BS 8006-1 | Strengthened and reinforced soils (for gabion-faced reinforced soil wall) |
| JKR-SPJ Section 7 | Earthworks and slope, Malaysian government works |
| JPS Drainage Manual | Hydraulic design, river training, flood protection works |
Engineers, developers, and authorities usually ask:
What is the typical cost of a gabion wall in Malaysia? +
How long does a gabion wall last? +
Can a gabion wall be used as a bridge abutment? +
Does a gabion wall need a foundation? +
What about vegetation on the gabion face? +
Do you handle both river training and retaining wall gabion scope? +
Gabion wall versus RC cantilever wall, when to pick which? +
Gabion pairs with these scopes.
Retaining walls →
All wall families (RC cantilever, MSE, modular block, sheet pile, crib, gabion) compared and supplied.
MSE wall →
For wall heights above 8 m, gabion-faced reinforced soil wall using StrataGrid geogrid tail-back.
Soil nailing →
Cut-slope stabilisation above gabion toe walls on highway and hillside developments.
Horizontal drains →
Sub-horizontal drains emerging through gabion face for groundwater control behind tall walls.
Erosion control blanket →
Coir or TRM cover above gabion walls to establish vegetation on the slope above.
Retaining walls compared →
Gabion vs RC cantilever vs MSE vs modular block vs crib vs sheet pile decision matrix.
STRATA Malaysia →
StrataGrid PET supply via Starwall for gabion-faced reinforced soil wall tail-back.
Slope rectification →
Gabion toe walls as part of slope failure rectification scope.
Gabion across Malaysia.
Crews and mesh / stone supply chain across all 13 Malaysian states. Same-day site response from PJ HQ for Klang Valley projects; project-specific mobilisation for East Malaysia. Recurring scope on river training (JPS / DID), highway cut-slope toe (JKR, LLM concessionaires), township platform walls (private developers), and bridge scour protection (federal road bridges).
- Klang Valley (Selangor, KL, Putrajaya, Cyberjaya): same-day site response, daily crew availability.
- Penang, Kedah, Perlis: 1-2 day mobilisation. Coastal exposure typically requires PVC-coated mesh.
- Perak, Negeri Sembilan, Melaka, Johor: 1-2 day mobilisation. Iskandar Puteri + Pasir Gudang coastal projects use PVC-coated mesh.
- Pahang, Kelantan, Terengganu: 2-3 day mobilisation. East-coast monsoon scour design context.
- Sabah, Sarawak, Labuan: project-specific mobilisation 3-7 days. Sea-freight stone supply via Port Klang or local quarry sourcing depending on site.
Gabion wall project or tender?
Send drawings, hydraulic data, or site geometry. Same-day quote from the engineering desk. CIDB G7 installation crew with project experience across river training, scour protection, and retaining wall scope.