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To determine a feasible strategy for maintenance and rehabilitation of in-service asphalt pavements, the precise in-situ determination of pavement deterioration is of significant importance. Conventional methods such as fatigue tests on core specimens in the laboratory or stationary deflection measurements in-situ exhibit their own disadvantages. This study proposes an innovative system to measure...
The vertical movement precision of the exciting coil is very important for the mutual induction measurement in Joule Balance NIM-2. In order to assure the vertical movement precision of the exciting coil along the gravity direction, the error sources are identified according to the connections between the key components, such as the metrology frame supported by the vibration isolator, the guide rail...
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