Development of multifunction international roughness index and profile measuring device
作者： Bandit Suksawat
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摘要: The development of a low cost multifunction measuring device is required for reduction operation time and procedure in pavement quality inspection. This work aims to develop international roughness index profile device. developed consists hardware software components. For the components, open chain five bar linkage was designed installation variable resistors, encoder, angle sensor interface card order measure road surface, traveling distance, slope leveling transfer data, respectively. components consisted IRI computation programs created by LabVIEW program. performance testing results exhibited average standard deviation value. Thus, suitable
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