Structural & Geotechnical Lightweight Aggregate Fill

TOGETHER WE BUILD FOR THE FUTURE

Leca® LWA is used extensively as a lightweight aggregate for civil engineering and structural applications. Through promotion and specification, our client base is continually finding further solutions and interesting uses for this special lightweight aggregate.

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Leca® LWA has been used extensively in structural and geotechnical projects for over 60 years for lightening road and railway embankments, insulating and filling of swimming pool surrounds, reducing pressure within quay extensions, lightweight fill in foundations and behind retaining walls, general load compensation, within structural elements, insulating and lightening pipelines, drainage and insulating sports pitches and courts, lightening the load over tunnels and bridge development and much more.

THE MAIN BENEFITS OF LECA® LWA IN CIVIL ENGINEERING & CONSTRUCTION APPLICATIONS ARE:

• 85%* less bulk density
• 75%* reduction of horizontal earth pressure to retaining structures
• Reduced settlement periods and increased stability
• Superb insulating and free drainage properties
• Resistant to extreme temperatures, moisture and chemical attack
• 100% inert and contains no harmful substances or gases
• Requires less vehicles for delivery – up to 70m³ per load
• Speed of site installation – up to 16 times faster production*
* on average when compared to traditional fills