IntroductionThis document serves as a reference for Lafarge's innovative construction solutions, focusing on cement, aggregates, and
concrete. It targets architects, engineers, contractors, and builders, providing insights into design and technical product information.
Company Profile
Lafarge is a global leader in building materials, employing 64,000 people across 62 countries, with sales of €15.2 billion in 2013. The company emphasizes innovation for sustainable construction and architectural creativity.
Ambition: Building Better Cities
Lafarge aims to address urbanization challenges by improving living conditions, providing affordable housing, and ensuring sustainable resource use, focusing on making cities more beautiful, connected, durable, and compact.
Innovation Assets- R&D Network: Over 1,000 experts work in the world's largest building materials research center.
- Dedicated Organization: A market-based structure with over 60 Construction Specialists and International Key Account Managers.
- Global Brands: Innovative products like Chronolia®, Thermedia®, Agilia®, Hydromedia®, Artevia®, Ductal®, and Aether® cement.
Innovative Projects
Lafarge collaborates with architects to enhance architectural expression through projects like MuCEM in France, Jean Bouin Stadium in France, Port Mann Bridge in Canada, and Chongqing International Expo Center in China.
MuCEM Project Details
The Museum of European and Mediterranean Civilizations in Marseille uses Ductal® for its structural and aesthetic properties, demonstrating the material's versatility and strength.
Specifications and Material
Ductal® was chosen for its low porosity and resistance to chemical aggression, with adjustments in material formulation to enhance seismic and fire resistance.
Efficient Building Systems
Applications of UHPC in building systems include light aesthetic roofs, non-structural walls, sunshades, and aesthetic finish concrete walls.
Case Study - Stade Jean Bouin
The Stade Jean Bouin in Paris utilized Ductal® for a unique lattice-style envelope, increasing capacity from 9,000 to 20,000 spectators.
Innovative Construction Techniques
Describes a unilateral construction approach integrating primary and secondary structures, water drainage, and architectural skin into a single system.
Podium at Menlyn - South Africa
Showcases the use of self-compacting concrete Agilia® Vertical, featuring a reinforced concrete frame and a double curtain-wall system.
Conclusion
Emphasizes the importance of collaboration and innovation in construction, with Lafarge offering solutions that meet the expectations of architects and project owners.
Concrete Facade Construction
Involves 35 mm-deep recesses using Agilia® self-compacting concrete for aesthetic qualities, with efficient planning to adhere to budget and schedule constraints.
Facade Design and Features
The northern facade features 'egg crates' for sun shading, using concrete overhangs to protect from sunlight.
Product and Methodology
Agilia® Vertical was selected for its flow and viscosity, ensuring superior off-shutter finishes.
Absolute Towers Project
Located in Mississauga, Canada, featuring a concrete grid structure with elliptical floor plates rotating around a central core.
Challenges and Innovations
Faced challenges in designing for over 200 load combinations, with Agilia® allowing for accelerated construction schedules.
The Hepworth Wakefield Gallery
Located in Wakefield, UK, featuring pigmented in-situ concrete for a unique aesthetic.
Conclusion
Highlights the innovative use of Agilia® concrete in achieving complex architectural designs.
Overview
Discusses various innovative construction projects and techniques, focusing on sustainable building practices and advanced materials.
Hepworth Wakefield Gallery
Designed with sustainable building services to achieve a high BREEAM rating.
Port Mann Bridge
This 10-lane bridge in British Columbia, Canada, is the world's widest bridge.
Chongqing International Expo Center
Located in Chongqing, China, using Hydromedia® pervious concrete to mitigate flooding risks.
Key Materials and Techniques
Includes Agilia®, Chronolia®, and Hydromedia® for various applications.
Conclusion
Showcases Lafarge's innovative solutions in construction, emphasizing cost-effectiveness and sustainability.
Project Overview
Discusses two major construction projects: the Chongqing International Expo Center and the Olembe low-cost housing project.
Chongqing International Expo Center (CQEXPO)
Utilized Lafarge's Hydromedia pervious concrete for 30,000 m² of outdoor pavement.
Olembe Low-Cost Housing Project
Construction of 10,000 housing units across Cameroon, utilizing lost casing solutions and Lafarge's ready-mix concrete products.
Efficient Building Systems
Outlines various innovative building systems developed by Lafarge.
Main Domains of Application
Discusses the use of lightweight concrete in various building sectors.
Specific Recommendations
Suitable for buildings with internal thermal insulation.
Reference Projects
Examples include the Cite Allende project in Villetaneuse, France.
Thermedia® Concrete
Offers a range of thermal conductivity with structural performance equivalent to conventional concrete.
Integrated Steel Formwork
Describes a stay-in-place formwork system for reinforced concrete structures.
Tilt-Up Walls
A construction system where concrete walls are cast on-site and tilted into position.
High Performance Concrete Columns
Utilizes concrete with compressive strength higher than 60 MPa.
Hollow Columns with Air Circulation
Combines structural and ventilation functions.
Aesthetic Finish Concrete Walls
Achieved through high-quality fluid concrete and dedicated formworks.
Double Skin Concrete Insulated Walls
Features a thermal insulating panel between two concrete layers.
Autoclaved Aerated Concrete (AAC)
A lightweight, thermally insulating precast concrete product.
Main Domains of Applications
Building sectors include all types of buildings, both structural and nonstructural elements.
Reference Project: Miller Zero
Located in the United Kingdom, involving zero-carbon single-family homes.
Lafarge Added Value
Provides adapted mortars for plastering and rendering AAC walls.
Matrixed Concrete Facades
High-quality matrixed surfaces for cast-in-place and precast concrete walls.
Reference Project: Dojo de Mougins
Located in France, using 400 m3 of Agilia® Architectural concrete.
Main Advantages
Architectural creativity with unlimited patterns and high performance.
Specific Recommendations
Cost-effectiveness is optimized with repeating designs.
Upper Floor: Floors with Void Formers
Light hollow bodies replace heavier concrete where structurally unnecessary.
Main Advantages
High performance with resistance to bending and shear stress.
Reference Projects
Siemens City in Vienna, Austria, and Narodowy Stadium in Warsaw, Poland.
Vaulted Ceilings
Concrete wave-shaped ceilings designed as part of the structural floor system.
Reference Project: Council House 2
Located in Melbourne, Australia, achieving energy efficiency through passive cooling.
Main Advantages
Energy efficiency, effective ventilation, and space savings.
Light Aesthetic UHPC Roof
Ultra-high performance concrete roofs offer design versatility.
Reference Project: Weleda Pharmaceutical Laboratory
Located in Alsace, France, utilizing Ductal® AF slabs.
Main Advantages
High performance material and architectural surfaces.
Non-Structural Walls: UHPC Lightweight Insulated Facades
Offers a robust and aesthetically pleasing finish with integrated thermal insulation.
Reference Project: Pierre Budin Daycare Center
Located in France, featuring a low energy consumption building.
Main Advantages of Expanded Polystyrene Insulation- Architectural Creativity: Offers unlimited variety of shapes and patterns.
- Thermal Performance: Provides exceptional insulation.
- Simplified On-Site Implementation: Easy-to-install large size panels.
Main Domains of Applications- Applicable to all types of buildings.
Specific Recommendations- The UHPC facade system is a non-structural wall solution.
Lafarge's Innovative Solutions- Ductal® UHPC offers superior strength, durability, and aesthetics.
Windows and Doors - UHPC Sunshades- Main Objective: Reduce summer solar gains and related energy consumption.
Floor Finishes - Aesthetic Interior Concrete Finishes- Advantages: Offers a variety of colors, shapes, textures, and patterns.
Roads, Paths & Pavings - Aesthetic Exterior Concrete Surfaces- Advantages: Offers a variety of colors and textures.
Civil Works - Bridges - UHPC Beams- Advantages: High strength and durability.
Civil Works - Bridges - UHPC Joint Fill- Advantages: High strength and durability.
Products- Buildings and structures require resistant, stable, and sustainable materials.
Overview
The document provides an extensive overview of innovative solutions for construction, focusing on products offered by Lafarge and GE.
Worldwide Presence
Both GE and Lafarge have a significant global presence.
Cement
Cement is described as a hydraulic binder essential for construction.
Concrete
Concrete is a mixture of water, aggregates, and cement.
Standards and Specifications
The document compares American (ASTM) and European (EN) standards for cement and concrete.
Key Products and Innovations
The document lists several innovative products such as Ultra-High Performance Concrete (Ductal).
Specifications and Standards
1. Silica Fume in Cementitious Mixtures: EN 13263 and ASTM standards outline the use of silica fume in concrete.
2. Hot and Cold Weather Concreting: ACI 305R and ACI 306R provide guidelines for concrete placement in extreme temperatures.
3. Curing Compounds: ACI 308 and ATCM C171/C309 specify materials and practices for curing concrete.
4. Admixtures: EN 934-2 and ASTM C260/C494 cover the use of chemical admixtures.
5. Structural Concrete Design: ACI 301, EN 1992-1-1, and ACI 318 provide comprehensive rules for designing concrete structures.
Concrete Key Features
- Global Availability: Concrete is widely available and essential for construction worldwide.
- Versatility: Concrete can be customized in terms of shape, color, and texture.
- Strength and Durability: Concrete can achieve compressive strengths up to 200 MPa.
- Cost-Effectiveness: Provides a balance of quality and affordability.
- Energy Efficiency: Concrete contributes to energy efficiency in buildings.
Concrete Functions and Qualities
- Structural Functions: Used in slabs, envelopes, and coverage.
- Intrinsic Qualities: Includes mechanical properties, fire resistance, and ease of use.
- Extrinsic Qualities: Offers excellent quality/price ratio and adaptability.
Product Lines and Applications
- Artevia: Decorative concrete offering aesthetic flexibility.
- Agilia: Self-compacting concrete that enhances design and placement efficiency.
- Agilia Screed: Self-leveling screed ideal for underfloor heating.
- Chronolia: High early strength concrete for rapid setting and hardening.
Concrete Specifications
- Artevia: Compressive strength ranges from 20 MPa to 50 MPa.
- Agilia: Compressive strength ranges from 25 MPa to 70 MPa.
- Agilia Screed: Offers thermal conductivity and high fluidity.
Market Segments
- Residential and Non-Residential: Includes housing, commercial, industrial, and public sector applications.
- Efficient Building Systems: Focus on reducing construction time and improving work environment.
Chronolia Ready-Mix Concrete- Specifications: Maximum water-cement ratio specified by engineer or standard.
- Product Range: Chronolia 4H, 6H, 15H, 24H, 48H with varying early compressive strengths.
- Applications & Benefits: Speed up construction cycles.
Extensia Concrete- Specifications: Slump flow up to 550 mm.
- Benefits: Increased design flexibility.
Hydromedia Concrete- Specifications: Porosity 20-35%.
- Applications & Benefits: Ideal for water management.
Thermedia Concrete- Specifications: Maximum water/cement ratio 0.6.
- Benefits: Reduces heat loss.
Ultra Series Concrete- Applications & Benefits: Includes solutions for cold weather, abrasion resistance, underwater applications.
Overview
The document provides a comprehensive overview of various concrete and mortar solutions offered by Lafarge.
Key Sections
- Concrete Solutions: Different types of concrete are discussed.
- Lightweight Concrete: Covers lightweight concrete solutions.
- Specialized Mortars: The Morpla Series® offers stabilized mortar solutions.
- Ultra-High Performance Concrete (UHPC): UHPC/Ductal® is highlighted for its superior strength.
- Aggregates: Discusses the role of aggregates in construction.
Technical Specifications
- UHPC/Ductal® Properties: Provides detailed technical data on UHPC/Ductal®.
- Mechanical Performance: The mechanical properties of Ductal® are compared to conventional concrete.
Conclusion
Lafarge's innovative solutions in concrete and aggregates demonstrate their commitment to providing high-performance materials.
Introduction
Lafarge offers innovative solutions for construction through various types of aggregates.
Aggregate Applications- Structural Applications: Aggregates are used in Portland cement concrete, asphalt concrete.
- Non-Construction Applications: Aggregates serve in agriculture, chemical processing.
Performance and Limitations
While aggregates can theoretically be recycled indefinitely, performance can vary.
Performance Optimization
Lafarge focuses on optimizing performance parameters such as stability, drainage capacity, and strength.
Design Performance
Traditional pavement designs rely on empirical methods.
Conclusion
Lafarge's expertise in aggregates and innovative materials supports optimized construction designs.