Carl A. Lenngren

EVALUATING SUBGRADE PROPERTIES WITH A HIGH-SPEED ROLLING DEFLECTOMETER

Peter Andren, Carl A. Lenngren, 2000 .

Using ground-penetrating radar for assessing highway pavement thickness

Carl A. Lenngren, Joergen Bergstrom, Benny M. Ersson, 2000, SPIE Optics + Photonics.

Evaluating pavement layer properties with a high-speed rolling deflectometer

Carl A. Lenngren, Peter Andren, 2000, Smart Structures.

Nondestructive evaluation of frost heave effects on a runway

Carl A. Lenngren, 1998, Smart Structures.