MONITORING OF A RAILWAY BRIDGE STRUCTURE LOCATED IN AREA OF MINING DAMAGE
The system covered a railway bridge located in an area where in intensive exploitation of coal seams is planned over the next few years. Platforms are designed as single-span and two-span steel, each direction is independent. Under one track a riveted structure is located, and under the second – the structure is of welded steel.
As a result of mining exploitation in the past deformation of the bridge structure occurred manifesting itself as displacements of girders relative to the support pillars and scratches of the concrete pillars.
The monitoring system is designed to perform real-time measurements of selected physical quantities related to the response of the bridge structure to the ground displacement as applied thereto.
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