Automated Pavement Distress Collection Techniques
Transportation Research Board, Jan 1, 2004 - Automatic data collection systems - 84 pages
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 334: Automated Pavement Distress Collection Techniques examines highway community practice and research and development efforts in the automated collection and processing of pavement condition data techniques typically used in network-level pavement management. The scope of the study covered all phases of automated pavement data collection and processing for pavement surface distress, pavement ride quality, rut-depth measurements, and joint-faulting measurements. Included in the scope were technologies employed, contracting issues, quality assurance, costs and benefits of automated techniques, monitoring frequencies and sampling protocols in use, degree of adoption of national standards for data collection, and contrast between the state of the art and the state of the practice.
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CHAPTER TWO DATA COLLECTION ISSUES AND TECHNOLOGIES
CHAPTER THREE DATA PROCESSING TECHNOLOGIES
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_ V _ AASHTO provisional standard ASTM automated distress automated pavement British Columbia calibration camera capture collection and processing contract contractor crack detection data management data reduction deﬁned deﬁnition Department of Transportation developed digital images distress data Distress Survey equipment evaluation ex ofﬁcio faulting Federal Highway Administration FHWA ﬁeld ﬁles ﬁlm ﬁve Highway Administration highway agencies identiﬁed Intemational joint-faulting measurements LADOTD laser line scan LTPP manual metadata methods Ministry National Research Council NCHRP network-level pave pavement condition data Pavement Condition Index pavement data collection pavement images pavement management pavement surface distress procedures proﬁle proﬁler protocols reﬂect road roadway roughness rut-depth measurement S-VHS sensor sensor data speciﬁc synthesis technologies tion Transportation Research Board V V V V variability vehicle vendor W W W Washington wheel paths WiseCrax