{"action":"create","ckan_id":null,"date_created":"Thu, 02 Apr 2026 22:01:02 GMT","date_finished":null,"harvest_job_id":"2202f83d-e1c3-4994-8a19-308249fed172","harvest_source_id":"3dddf3ae-84a3-4731-88b4-6a0b57d0e503","id":"607524bf-5c68-49e0-915e-d61b9ef50caf","identifier":"https://datainventory.usbr.gov/rise/item/128742","parent_identifier":null,"source_hash":"3f29ab2936ce5af71a9cd840d23cbdc3fabdbbfed7cd7e1484100069df497cc1","source_raw":"{\"accessLevel\": \"public\", \"accrualPeriodicity\": \"irregular\", \"bureauCode\": [\"010:10\"], \"contactPoint\": {\"@type\": \"vcard:Contact\", \"fn\": \"RISE Team\", \"hasEmail\": \"mailto:data@usbr.gov\"}, \"description\": \"The Bureau of Reclamation has a strong need for cavitation resistant materials for use on concrete hydraulic structures, such as spillways and tunnels. The S&T Project 20024 \\u201cEvaluation of Field Repairable Materials and Techniques for Cavitation Damage,\\u201d has compared potential materials for cavitation resistance in a high-pressure cavitation environment and found strong performance with elastomeric cavitation resistant coatings for steel substrates. Some elastomeric coating materials absorb the cavitation energy, which appears to become more important as the substrate becomes more brittle. A preliminary test to compare coated versus uncoated concrete had promising results, with little damage to the coated concrete. This research performed a literature review of elastomeric coatings that could protect concrete surfaces without damage to the underlying concrete.\", \"distribution\": [{\"@type\": \"dcat:Distribution\", \"accessURL\": \"https://data.usbr.gov/catalog/8046/item/128742\", \"description\": \"Landing page for \\\"S&T Project 23011 Final Report: Concrete Cavitation - Low Cost Lining Materials\\\"\", \"mediaType\": \"text/html\", \"title\": \"RISE Item Details Page URL for \\\"S&T Project 23011 Final Report: Concrete Cavitation - Low Cost Lining Materials\\\"\"}, {\"@type\": \"dcat:Distribution\", \"description\": \"\\\"S&T Project 23011 Final Report: Concrete Cavitation - Low Cost Lining Materials\\\" as a PDF file\", \"downloadURL\": \"https://data.usbr.gov/rise/content-rise-public/rise/catalog-item/binary/Concrete Cavitation-Low Cost Lining Materials _Final.pdf\", \"mediaType\": \"application/pdf\", \"title\": \"PDF File for \\\"S&T Project 23011 Final Report: Concrete Cavitation - Low Cost Lining Materials\\\"\"}], \"identifier\": \"https://datainventory.usbr.gov/rise/item/128742\", \"keyword\": [\"Cavitation\", \"Concrete\", \"Protective Coatings\"], \"landingPage\": \"https://data.usbr.gov/catalog/8046/item/128742\", \"modified\": \"2024-09-30T15:20:18Z\", \"publisher\": {\"@type\": \"org:Organization\", \"name\": \"Bureau of Reclamation\"}, \"spatial\": \"{\\\"type\\\":\\\"Polygon\\\",\\\"coordinates\\\":[[[-105.12484,39.72238],[-105.1217,39.72366],[-105.1199,39.72123],[-105.12164,39.72052],[-105.12285,39.72213],[-105.12431,39.72153],[-105.12484,39.72238]]]}\", \"title\": \"S&T Project 23011 Final Report: Concrete Cavitation - Low Cost Lining Materials\"}","source_transform":null,"status":"error"}