What is an L-Box Flowability Test Set?

The L-Box Flowability Test Set consists of a vertical concrete reservoir connected to a horizontal channel separated by reinforcing bar obstacles. Fresh SCC is released through a sliding gate, and its ability to flow through the obstacles is measured.

This test helps determine:

• Passing ability of SCC
• Flow characteristics in congested reinforcement
• Risk of blocking
• Concrete workability performance
• Suitability for heavily reinforced structures

Key Features of the L-Box Flowability Test Set

Durable Stainless Steel Construction

• Manufactured from high-quality stainless steel for long service life and corrosion resistance.

Precision Sliding Gate System

• Ensures smooth and repeatable concrete release during testing.

Accurate Flowability Assessment

• Provides reliable measurements of SCC passing ability and flow performance.

Easy Cleaning and Maintenance

• The robust design allows quick cleaning after testing.

Portable and Laboratory Friendly

• Compact structure suitable for both laboratory and on-site concrete testing applications.

Applications of the L-Box Flowability Test Set

The L-Box Flowability Test Set is commonly used for:

• Self-Compacting Concrete (SCC) testing
• Ready-mix concrete quality control
• Construction material laboratories
• Research and development projects
• Infrastructure and bridge construction
• High-rise building projects
• Precast concrete production facilities

Benefits of Using an L-Box Flowability Test Set

Using an L-Box Flowability Test Set helps engineers and technicians:

• Verify SCC passing ability
• Reduce the risk of concrete segregation
• Improve construction quality
• Ensure compliance with project specifications
• Achieve consistent concrete performance
• Optimize concrete mix designs

Technical Specifications

Test Method

• L-Box flowability and passing ability evaluation for Self-Compacting Concrete (SCC).

Construction Material

• High-quality stainless steel.

Components Included

• Concrete reservoir
• Horizontal test channel
• Sliding gate mechanism
• Reinforcing bar obstacles
• Metal strike-off bar

Weight

• Approximately 12 kg.

Standards

The L-Box Flowability Test Set is designed for SCC testing according to internationally recognized standards, including:

• EN 12350-10
• EFNARC Guidelines for Self-Compacting Concrete
• Related international concrete testing standards

Why Choose BESMAK L-Box Flowability Test Set?

• BESMAK provides reliable concrete testing equipment trusted by laboratories, universities, research centers, and construction companies worldwide.

Advantages include:

• High manufacturing quality
• Accurate and repeatable test results
• Durable stainless steel design
• Compliance with international standards
• Professional technical support
• Global delivery capability

Frequently Asked Questions (FAQ)

What is the purpose of the L-Box test?

The L-Box test measures the passing ability and flowability of Self-Compacting Concrete (SCC) through reinforcing bars and confined spaces.

What does the L-Box ratio indicate?

The L-Box ratio indicates how effectively SCC can flow and pass through reinforcement without blockage.

Why is the L-Box test important for SCC?

It helps ensure that SCC can fill formwork completely and flow around reinforcement without segregation or honeycombing.

Where is the L-Box Flowability Test Set used?

It is used in concrete laboratories, construction projects, ready-mix plants, research centers, and quality control departments.

Which standards cover the L-Box test?

The test is commonly performed according to EN 12350-10 and EFNARC recommendations for Self-Compacting Concrete.