Download or read book Field Evaluation of Surface Repair Materials for Concrete Hydraulic Structures Damaged by Erosion written by J. Mirza and published by Montréal : Canadian Electrical Association. This book was released on 1994 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Repair Evaluation Maintenance and Rehabilitation Research Program Surface Treatments to Minimize Concrete Deterioration Report 1 Survey of Field and Laboratory Application and Available Products written by Dennis L. Bean and published by . This book was released on 1988 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The surfaces of many of the Corps' concrete structures are subject to deterioration due to freezing and thawing, weathering, chemical attack, erosion, and other destructive mechanisms. Surface treatment of the concrete with a material to retard action of the forces is one way to reduce the rate of or eliminate deterioration. In the past, various surface treatments have been applied to concrete; some were successful, while others failed. In most cases the failures were due to either selection of the wrong surface treatment material or improper application. There is a need to evaluate various surface treatments to determine which would offer the best protection and what would be the proper ways to apply them. The objective of this study was to obtain information on the types of current surface treatment materials available, chemical compositions, and properties, and the performance of these materials in service conditions. Keywords: Abrasion, Erosion, Coating, Hydraulic structures, Concrete deterioration, Sealers, Surface treatments, Stone consolidants, Vapor transmittance.
Download or read book Laboratory and Field Evaluation of Polymeric Cavitation Erosion resistant Materials on Concrete written by Tony Brooks Husbands and published by . This book was released on 1976 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coating and Repairing Materials for Concrete Hydraulic Structures Damaged by Erosion written by Canadian Electrical Association. Research and Development and published by Montréal : Canadian Electrical Association. This book was released on 1988 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineering and Design written by Us Army Corps Of Engineers and published by Military Bookshop. This book was released on 1995-06 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual provides guidance on evaluating the condition of the concrete in a structure, relating the condition of the concrete to the underlying cause or causes of that condition, selecting an appropriate repair material and method for any deficiency found, and using the selected materials and methods to repair or rehabilitate the structure. Guidance is also included on maintenance of concrete and on preparation of concrete investigation reports for repair and rehabilitation projects. Considerations for certain specialized types of rehabilitation projects are also given.
Download or read book Maintenance and Preservation of Concrete Structures written by Tony Chen-yeh Liu and published by . This book was released on 1980 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a laboratory test program on abrasion-erosion resistance of concrete, including the development of a new underwater abrasion-erosion test method. This program was designed to evaluate the relative abrasion-erosion resistance of various materials considered for use in the repair of erosion-damaged concrete structures. The test program encompassed three concrete types (conventional concrete, fiber-reinforced concrete, and polymer concrete); seven aggregate types (limestone, chert, trap rock, quartzite, granite, siliceous gravel, and slag); three principal water-cement rations (0.72, 0.54, and 0.40); and six types of surface treatment (vacuum, polyurethane coating, acrylic mortar coating, epoxy mortar coating, furan resin mortar coating, and iron aggregate topping). A total of 114 specimens made from 41 batches of concrete was tested. Based on the test data obtained, a comprehensive evaluation of the effects of various parameters on the abrasion-erosion resistance of concrete was presented. Materials suitable for use in the repair of erosion-damaged concrete structures were recommended. Additional work to correlate the reported findings with field performance was formulated.
Download or read book Repair Evaluation Maintenance and Rehabilitation Research Program Underwater Repair of Concrete Damaged by Abrasion Erosion written by and published by . This book was released on 1991 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: The grinding action of waterborne debris circulating in concrete stilling basins, open channels, navigation locks, and other hydraulic structures can lead to abrasion damage several feet in depth. Damaged areas need to be periodically repaired to ensure the functionality and safety of the hydraulic facility. Traditionally, these repairs have been carried out after dewatering the damaged area; however, such practice can interfere with the operations of the facility and can prove to be very costly. Therefore, it is desirable to carry out the repairs while the damaged portion of the structure is submerged. The objective of this research was to develop concrete mixtures and placement methods to repair typical scour holes underwater. Approximately 70 concretes were evaluated to optimize mixture proportions. The four most promising fluid concretes and one control concrete were selected to fill small and relatively shallow depressions underwater using the conventional tremie and the proposed inclined tremie methods. Concrete was placed in the laboratory in a test box with the bottom especially shaped to simulate a small scour hole. Surface profiles and in-place mechanical properties of eight underwater-cast slabs and one slab that was cast above water were evaluated to compare concrete mixtures and placement techniques.
Download or read book Assessment Evaluation and Repair of Concrete Steel and Offshore Structures written by Mohamed Abdallah El-Reedy and published by CRC Press. This book was released on 2018-09-27 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to age and increased loading on buildings, structural assessment and repair is routinely required with accuracy and professionalism. Our target is to have a building durable along its life time. The typical causes of structural failure and their mechanisms will be presented in this book for all types of structure, and further addressed by numerous case studies and engineering calculations. The up-to-date methods for evaluation and assessment the existing structure will be discussed. It will also examine different codes related to structural assessment and will present project management strategies from the feasibility stage through operations and maintenance.
Download or read book Proceedings of the Eleventh Interagency Research Coordination Conference and Activities During the Biennium December 1977 October 1979 written by and published by . This book was released on 1979 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Memodrandum written by Waterways Experiment Station (U.S.) and published by . This book was released on 1980 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of Sixteenth Interagency Research Coordination Conference written by and published by . This book was released on 1989 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Publications in Engineering written by and published by . This book was released on 1996 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Laboratory and Field Evaluation of Required Material Properties for Concrete Repairs written by Daniel W. Traub and published by . This book was released on 1996 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1990 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Review of Operation and Maintenance Program Field Examination Guidelines written by and published by . This book was released on 1991 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sustainable Development of Water and Energy Resources Water resources 2 pts written by and published by . This book was released on 2000 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book In Situ Repair of Deteriorated Concrete in Hydraulic Structures written by R. P. Webster and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
