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Base Fill Materials

Wet Mix Macadam (WMM)

High-quality graded aggregates mixed with water to form a dense and stable base layer. Widely used in road construction, highway projects, and pavement foundations.

Base Fill Materials

Wet Mix Macadam (WMM)

Wet Mix Macadam (WMM) is a high-quality granular material used as a base or sub-base layer in road and pavement construction. It consists of well-graded crushed stone aggregates mixed with water at an optimum moisture content and laid using mechanical pavers to achieve a dense, strong, and durable layer.

Ideal for road base and sub-base layers
Well-graded aggregate composition
Optimal moisture-controlled mixing
Dense, strong, and durable layer formation
Wet Mix Macadam
Performance Advantages

Key Features

Engineered to provide a strong, dense, and durable base layer for roads and heavy-duty pavements.

Well-Graded Crushed Aggregates

WMM is produced using a controlled mix of crushed stone aggregates of varying sizes, ensuring proper interlocking and uniform gradation for maximum strength.

High Load-Bearing Capacity

The dense structure of WMM provides excellent load distribution, making it ideal for carrying heavy traffic loads in road and highway projects.

Superior Compaction & Density

Mixed at optimum moisture content and compacted using rollers, WMM achieves high density with minimal voids, resulting in a stable and durable base layer.

Improved Strength & Durability

Compared to conventional Water Bound Macadam (WBM), WMM offers better strength, higher durability, and longer service life.

Uniform Quality & Consistency

Produced in a crushing plant, ensuring consistent quality, uniform moisture distribution, and reliable performance across the entire pavement layer.

Wide Range of Applications

Commonly used for road base and sub-base layers, highways, industrial roads, airport pavements, parking areas, and heavy-duty pavements.

Wet Mix Macadam (WMM)

Specifications

Engineered granular base material conforming to road construction standards, designed for strength, density, and long-term pavement performance.

Product Name
Wet Mix Macadam (WMM)
Material Composition
Well-graded crushed stone aggregates mixed with water at Optimum Moisture Content (OMC)
Aggregate Size Range
Graded aggregates conforming to Grading I / II as per project requirements
(Normally up to 53 mm down to fines)
Grading Requirement
As per MoRTH Specifications – Clause 406
Ensures dense packing and high strength.
Plasticity Index (Fines Passing 0.425 mm)
≤ 6
Liquid Limit (Fines Passing 0.425 mm)
≤ 25
Los Angeles Abrasion Value
≤ 40%
Aggregate Impact Value (AIV)
≤ 25%
Flakiness & Elongation Index (Combined)
≤ 30%
Water Absorption
≤ 2%
Optimum Moisture Content (OMC)
As determined by laboratory compaction tests
Compacted Layer Density
Minimum 98% of Modified Proctor Density
Layer Thickness (Compacted)
Normally 75 mm to 200 mm, as specified in drawings
Surface Tolerance
±10 mm from specified profile
Color
Natural grey
Applications
• Road base and sub-base layers
• Highways and expressways
• Industrial roads
• Airport pavements
• Heavy-duty parking areas
Production & Laying
• Mixed in WMM mixing plant
• Laid using mechanical pavers
• Compacted with vibratory rollers
Supply Format
• Plant-mixed and site-laid
• Material supply as per project requirement