ABSTRACT

The knowledge gained from this monitoring would aid in planning for maintenance and rehabilitation of these infrastructure systems and will improve the design, construction, operation and longevity. Critical soil-structure elements of the civil infrastructure which are important to monitor include bridge foundations, abutments and support systems; retained, reinforced or stabilized rock and earthen embankments and levees; slopes and mechanically stabilized earth (MSE) walls; tunnels and tunnel linings; etc. This paper presents a newly developed sensor array. The array is capable of measuring in situ deformation and acceleration up to a depth of one hundred meters and is essentially an in-place inclinometer coupled with accelerometers. The frequency and spatial abundance of data made available by this new sensor array enables tools for the continuous health monitoring effort of critical infrastructure under a broad range of static and dynamic loading conditions.