Superpave In-Situ Stress Strain Investigation
Overview
Pennsylvania Department of Transportation (PENNDOT) has sponsored a comprehensive project called SuperPave In-Situ Stress/Strain Investigation (SISSI). The purpose of the SISSI instrumentation project is to validate the Superpave system and to provide the data that are essential to the validation of performance prediction models. Combining intensive materials characterization, detailed load-response information, traffic and environmental data, and performance measures from these instrumented sections will enable the verification and regional calibration of the newly developed models.
SISSI is a unique state-of-the-art instrumentation project. It is unique because it encompasses a series of different roads at both northern and southern parts of Pennsylvania rather than being concentrated at one location. It takes advantage of the latest developments and equipment in the field of instrumentation technology for full-scale investigation of pavement performance.
