- Lightweight aluminum construction for easy portability and
use at any test location.
- Unique telescopic design for quick set up and storage during
transport to the field.
- Direct-reading dial indicators eliminate need for conversions
or calculations during measurements.
- Dial indicator vibrator system for accurate pavement
measurements.
The Benkelman Beam measures the deflection of a flexible pavement under moving wheel loads in accordance with AASHTO test T-256.
The unit is designed for maximum operator convenience and accuracy.The unit is made from lightweight aluminum and features a telescoping design to reduce weight and storage space.The direct-reading dial indicator eliminates the need for any conversion or field calculations and the vibrator system assures accurate
pavement measurements.
Specifications
|
Main Body.
|
55" (1,397 mm) long, black finish aluminum.
|
|
Probe Beam.
|
Aluminum, 8 ft. (2.4 m) long, telescopes into case for storage.
|
|
Probe Fulcrum.
|
Ball pivot bearing, gives lever ratio of 2:1.
|
|
Vibrator System.
|
Operating switch mounted on top of instrument section (requires 4 “D” size batteries).
|
|
Dial Indicators.
|
Compensated for direct reading (not included).
|
|
Leveling Wheel.
|
Adjusts beams to proper elevation.
|
|
Open Length.
|
12 ft. (3.7 m) l.
|
|
Weight.
|
Net 35 lbs. (15.9 kg).
|
