ITI installed sensors in a concrete masonry-block house near an active limestone quarry. The sensors measure both long-term crack displacement as well as crack response due to ground-induced vibrations. Sensors were placed at three existing crack locations throughout the structure:

• on interior drywall
• on the interior of the basement concrete masonry-block wall
• on the exterior brick

Temperature and humidity sensors were also installed both inside and outside of the home to monitor environmental changes.

The toolbar on the left side of the screen contains links for each category of information on the site. For example, by clicking one of the links under "Location" you can view pictures of the structure being monitored, where the structure is located in the city, or where the sensors are located in the structure. To compare crack movement and weather conditions, click one of the links under "Crack Displacement Vs:"