Benkelman Beam Apparatus for Pavement Deflection Testing

The Benkelman Beam Apparatus is designed to measure the deflection of flexible pavements under moving wheel loads. It provides a simple and reliable method for evaluating pavement structural performance in accordance with industry testing requirements.

The apparatus features a direct-reading dial indicator, eliminating the need for conversion tables or manual field calculations. With an overall beam length of 2.5 metres, it is supplied complete with a dial indicator gauge and a carrying case for convenient transportation and field use.

Key Features of the Benkelman Beam Apparatus

• Designed for pavement deflection measurement
• Suitable for flexible pavements
• Measures deflection under moving wheel loads
• Direct-reading dial indicator
• Eliminates conversion tables
• No field calculations required
• Overall beam length of 2.5 m
• Supplied with dial indicator gauge
• Includes carrying case
• Lightweight and portable design

Technical Specifications

Standard

• AASHTO T256

Pavement Deflection Measurement

The Benkelman Beam Apparatus is used to evaluate the structural deflection of flexible pavements under moving wheel loads.

Its direct-reading dial indicator enables immediate measurement of pavement deflection without requiring conversion tables or manual calculations, making field testing faster, simpler, and more accurate.

Direct-Reading Measurement System

The Benkelman Beam Apparatus incorporates a precision direct-reading dial indicator gauge.

This system allows operators to obtain pavement deflection values instantly during testing, improving testing efficiency while reducing the possibility of calculation errors.

Applications of the Benkelman Beam Apparatus

The Benkelman Beam Apparatus is suitable for:

• Pavement deflection testing
• Flexible pavement evaluation
• Highway inspection
• Road maintenance projects
• Pavement rehabilitation studies
• Civil engineering projects
• Quality control laboratories
• Transportation infrastructure assessment

Why Choose the Benkelman Beam Apparatus?

The Benkelman Beam Apparatus provides a reliable and efficient solution for measuring the deflection of flexible pavements under moving wheel loads.

Its direct-reading dial indicator eliminates manual calculations, while its lightweight and portable design makes it ideal for field applications, pavement evaluation, road maintenance, and infrastructure assessment projects.

Frequently Asked Questions About the Benkelman Beam Apparatus

What is a Benkelman Beam Apparatus?

A Benkelman Beam Apparatus is a pavement testing instrument used to measure the deflection of flexible pavements under moving wheel loads.

What does the Benkelman Beam Apparatus measure?

It measures pavement deflection to evaluate the structural performance and load-bearing behavior of flexible pavements.

Does the Benkelman Beam Apparatus require field calculations?

No. Its direct-reading dial indicator eliminates the need for conversion tables and manual field calculations.

What is the overall length of the Benkelman Beam Apparatus?

The apparatus has an overall beam length of 2.5 metres (2.5 m).

What accessories are included?

The Benkelman Beam Apparatus is supplied with a dial indicator gauge and a carrying case.

What is the weight of the Benkelman Beam Apparatus?

The approximate weight of the apparatus is 18 kg.

Which standard applies to the Benkelman Beam Apparatus?

The apparatus is manufactured for testing in accordance with AASHTO T256.

Where is the Benkelman Beam Apparatus commonly used?

It is commonly used for pavement evaluation, highway inspection, road maintenance, pavement rehabilitation projects, and transportation infrastructure assessment.