MSE Wall Contractor in Malaysia.

Three terms, one wall family.

Infraconcrete is the leading MSE wall, RE wall, and RS wall contractor in Malaysia. All three terms refer to overlapping technologies in the reinforced-soil wall family. The distinctions matter for design-spec compliance but rarely for engineering function. Knowing the terminology gets you the right answer on tender drawings and authority submissions.

MSE wall (Mechanically Stabilized Earth wall)

The umbrella term in current global usage. Adopted by FHWA, AASHTO, and most modern Asian standards. "Mechanically stabilized" means the soil mass is reinforced by mechanical means (steel strips or geosynthetic geogrids) to develop tensile capacity within the backfill. Covers both metallic and polymeric reinforcement. The default term used on federal infrastructure tender documents in Malaysia in the last decade. Also spelled "Mechanically Stabilised Earth wall" in BS-aligned spec.

RE wall (Reinforced Earth wall)

Historically the legacy steel-strip reinforced soil wall family, originated in France in the 1960s, using galvanised steel-strip reinforcement embedded in compacted granular backfill behind precast concrete facing panels. In Malaysian industry usage today, "RE wall" is often used loosely as a generic term for any reinforced-soil wall, regardless of whether the reinforcement is steel-strip or geosynthetic. For tender precision, "RE wall" should refer specifically to the steel-strip system; "MSE wall" is the broader term that covers both.

RS wall (Reinforced Soil wall)

Modern Malaysian industry term for geogrid or geosynthetic-reinforced soil retaining wall. Essentially the same engineering principle as RE wall but with StrataGrid PET (or biaxial PP) replacing steel strips. RS wall is the cleaner term when the reinforcement is polymeric, since "Reinforced Earth" historically implies metallic. In practice, RS wall and MSE wall (with geogrid) describe the same physical structure.

The practical answer

For Malaysian projects, the three terms are functionally interchangeable when describing geogrid-reinforced precast-panel or modular-block walls. The naming convention is driven by:

• Tender drawings and project spec (use whichever the consultant has specified)
• Code reference (FHWA / AASHTO prefer MSE; BS 8006-1 uses Reinforced Soil; JKR varies)
• Historical convention in the client's organisation

Infraconcrete delivers all three under the same in-house capability. See also the dedicated retaining walls hub covering all wall families (RC, RE, RS, MSE, modular block, sheet pile, gabion).

Three sub-families of reinforced-soil wall.

Steel-strip reinforced (legacy RE wall)

Galvanised steel strips (typical 50 x 4 to 50 x 5 mm cross-section, hot-dip galvanised to BS EN ISO 1461) with proprietary triangular-pattern surface treatment for soil bond. Connected to cruciform or fishplate precast concrete facing panels via stud-and-bolt. The legacy steel-strip reinforced soil wall family; still in use on certain federal infrastructure where the project spec mandates steel-strip reinforcement (typically bridge abutments where higher tensile capacity per unit depth is needed). To BS 8006-1 Section 6 and FHWA-NHI-10-024.

Geogrid-reinforced with precast panel facing (StrataWall-class)

StrataGrid uniaxial PET geogrid (30 to 400 kN/m grades, BS EN ISO 10319) connected to precast concrete facing panels. The modern federal-grade default for highway and rail embankment retaining. Wall heights up to 25 m+ in single-tier construction, 35 m+ in terraced systems. Panel-and-grid connection per manufacturer detail. Group company Starwall Sdn Bhd is the sole STRATA Geosystems Malaysia distributor for StrataWall and StrataGrid supply.

Geogrid-reinforced with modular block facing (StrataBlock-class)

StrataGrid geogrid layers connected to dry-stacked precast concrete modular blocks (segmental retaining wall, SRW). Up to ~10 to 12 m height economical. The default for hillside developments and residential / commercial scopes where the modular block aesthetic finish is desired. NCMA SRW Design Manual and BS EN 14475-1 govern segmental wall connection design.

Reinforced soil slope (RSS) at sloped face

30 to 70 degree face angle with geogrid-reinforced fill and vegetated finish. Cheaper per cubic metre than vertical MSE wall, takes more footprint. Used on highway embankments where some slope footprint is acceptable, environmentally sensitive sites where vegetated finish is preferred, federal road shoulder fills. To BS 8006-1 and FHWA-NHI-10-024. See reinforced soil slopes.

Reinforcement, backfill, facing.

From levelling pad to finished wall.

Stage 1: Foundation and levelling pad preparation

Subgrade prepared to design level. Levelling pad (granular, 150 to 300 mm thick) placed and compacted on prepared subgrade. Pad line set out and verified against design wall alignment.

Stage 2: First course facing placement

First course of facing panels (StrataWall precast) or modular blocks (StrataBlock SRW) set on the levelling pad to design line and level. Each unit checked for verticality and alignment. Temporary bracing where required to maintain line during fill placement.

Stage 3: First reinforcement layer

StrataGrid geogrid (or steel-strip reinforcement for steel-strip RE wall variant) placed at the design connection elevation. Geogrid rolled out perpendicular to the wall face, length per design (0.7 to 0.9 x wall height), tensioned and anchored into the facing panel or block per manufacturer detail. Geogrid layer overlaps and seams per BS 8006-1.

Stage 4: Select backfill placement and compaction

Granular backfill placed above the geogrid layer in 200 to 300 mm lifts. Each lift compacted to 95 to 98 percent MDD per BS 1377. Within 1 m of the facing, lighter compaction equipment (pneumatic-tyre, light vibratory plate) is used to avoid pushing the facing out of line. In-situ density test at design frequency (typical 1 test per 500 m³ or 1 per lift).

Stage 5: Repeat cycle to design wall height

Facing-geogrid-fill-compaction cycle repeated up the wall. Each course of facing set on the previous, each geogrid layer connected per detail, each lift of fill compacted before the next reinforcement layer. Surveyor verifies wall line and verticality every 1 to 2 m of height.

Stage 6: Top course, capping, and drainage

Top course of facing placed with capping unit (precast cap for modular block, top-fascia panel for precast panel system). Back-of-wall drainage installed concurrent with fill: granular drainage zone immediately behind facing, non-woven geotextile filter wrap, perforated UPVC subsoil drain at base.

Stage 7: Surface finish and handover

Facing surface finish per architectural spec (fair-faced concrete, textured precast, vegetated for RSS). As-built drawings, material certificates, test record, and maintenance schedule submitted at handover.

Code framework and acceptance.

Design and execution

BS 8006-1 Code of Practice for Strengthened/Reinforced Soils, Part 1 Reinforced Walls and Slopes (the primary UK reference). FHWA-NHI-10-024 Design and Construction of MSE Walls and Reinforced Soil Slopes (US Federal Highway, the global industry reference). AASHTO LRFD Bridge Design Specifications Section 11.10 (MSE walls for federal bridge applications). BS EN 1997-1 Eurocode 7 Geotechnical Design. NCMA Design Manual for Segmental Retaining Walls (modular block wall connection design). JKR Standard Specifications for Malaysian government works.

Materials standards

BS EN ISO 10319 (geogrid tensile testing), ASTM D6637 (US equivalent), BS EN 13251 (geosynthetic for retaining walls), BS EN ISO 1461 (hot-dip galvanising for steel strips), BS EN 1992-1-1 (precast concrete facing panels), BS EN 14475-1 (segmental retaining wall blocks), BS 1377 series (soil testing for backfill compaction).

Acceptance testing

Backfill compaction: in-situ density test (sand replacement or nuclear gauge) per lift per design frequency. Geogrid acceptance: manufacturer's certificate of conformance plus sample tensile testing per BS EN ISO 10319. Connection-strength testing where the facing-to-grid connection is structural. Geogrid installation damage assessment per BS EN 14030. Verticality of wall face: 1 in 75 to 1 in 100 typical tolerance. As-built geogrid layout drawings submitted at handover.

Federal references

Federal-grade MSE wall scope delivered on EKVE (East Klang Valley Expressway), ECRL (East Coast Rail Link bridge abutments and embankments), and other federal infrastructure. Bandar Serendah national auto-industry platform included substantial MSE wall scope (540,000 m³ backfill, 7 structures). Mukim Sentul (Seremban) included 5,000 m² of MSE wall face.

Independent contractor, any system.

The Malaysian MSE / RE / RS wall market has several proprietary systems supplied by various international and local manufacturers. Where a project specification mandates a specific proprietary system, Infraconcrete installs that system to the manufacturer's certified detail. Where the specification is open, we deliver equivalent engineering function through StrataGrid PET geogrid + StrataWall (precast panel) or StrataBlock (modular block) systems supplied via group company Starwall Sdn Bhd, the sole STRATA Geosystems Malaysia distributor. Infraconcrete is the leading independent MSE wall contractor in Malaysia with no commercial bias toward any single proprietary system.

Steel-strip reinforced soil walls (legacy patented systems)

The legacy steel-strip reinforced soil wall family uses galvanised steel strip reinforcement with proprietary cruciform or fishplate precast facing panels, originated in France in the 1960s and licensed internationally since. Independent alternative for this wall family in Malaysia: Infraconcrete delivers the equivalent engineering function through (a) steel-strip reinforced walls to BS 8006-1 Section 6 where the spec mandates metallic reinforcement, or (b) geogrid-reinforced StrataWall (precast panel) walls supplied via Starwall (sole STRATA Geosystems Malaysia distributor) for the same engineering function with polymeric reinforcement. Both delivered under one CIDB G7 banner.

Modular block reinforced soil wall family (modular face, vegetated, gabion-faced, cellular)

Modular reinforced soil walls are supplied through several established product families in Malaysia, covering modular block + geogrid, vegetated faced reinforced soil slope, gabion-faced reinforced soil, and cellular crib variants. Independent alternative for this wall family in Malaysia: Infraconcrete delivers the equivalent via StrataBlock modular block walls with StrataGrid geogrid (matching modular block + geogrid systems), vegetated reinforced soil slope / RSS (matching vegetated face systems), gabion-faced reinforced soil walls, and crib walls. To BS 8006-1, FHWA-NHI-10-024, NCMA. Single-team design + supply (via Starwall) + install + certification.

Gabion-faced and mesh-reinforced wall families

Gabion-faced reinforced soil walls combining hexagonal mesh facing with horizontal mesh reinforcement, modular block, precast panel and geogrid product lines are widely supplied in Malaysia. Independent alternative for this wall family in Malaysia: Infraconcrete delivers the equivalent across gabion-faced reinforced soil walls, modular block walls (StrataBlock), and precast-panel MSE walls (StrataWall), all to the same BS / FHWA / AASHTO / NCMA design framework.

Geogrid + modular block paired systems

Several proprietary geogrid + modular block paired systems are distributed in Malaysia, typically pairing a polymeric geogrid line with a modular block facing line as a single system. Independent alternative for this wall family in Malaysia: Infraconcrete delivers the equivalent through StrataGrid PET geogrid supplied via Starwall paired with StrataBlock modular block facing, to BS 8006-1 / NCMA / AASHTO. Equivalent performance, independent supply chain, single-team accountability.

When to specify Infraconcrete instead of a proprietary system

• Single CIDB G7 accountability for design + supply + install + certification, rather than a chain of licensor + appointed sub-contractor.
• Cost competitive without the proprietary brand premium when the design is open.
• Faster mobilisation than international supply chains on tight programmes.
• Federal / JKR / LLM / MOW eligibility where Infraconcrete is already registered.
• Engineering recommendation (system selection led by site, not by product fitment).

Note: Where a project spec mandates a specific proprietary system, Infraconcrete delivers that system to the manufacturer's certified detail. The above is about offering the choice when the spec is open.

Frequently asked.

Related MSE wall pages.