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.

H3: Which standards cover the L-Box test?

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