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Author: J. Floyd Best Publisher: ISBN: Category : Concrete Languages : en Pages : 40
Book Description
Because of the nature of the hydraulic structures over which the Army Corps of Engineers has responsibility, there are frequent requirements to repair spalled or eroded concrete that is underwater, close to the waterline, or in areas from which it is difficult to divert flow or dry the concrete. This investigation evaluated the effectiveness of commercially available products in repair of concrete with wet surfaces. Slant-shear bond and compressive strength tests were conducted on each of the 22 materials recommended for repair of spalls in wet concrete. Based on the results of these screening tests, eight materials were selected for additional laboratory tests including: a) bonding capacity in direct tension; b) bonding capacity under flexural stress; c)resistance to abrasion; d) resistance to cycles of freezing and thawing; e) impact resistance; and f) thermal capability with concrete. Test results and material costs were used in developing a rating system to compare the relative performance of the various materials. Overall performance ratings indicate two materials, an epoxy and a cement-based product, were nearly equal in outperforming the other products tested. Which of these two materials is to be specified for a given repair will likely depend on the specific project requirements and critical material properties. Concrete repair. (edc).
Author: J. Floyd Best Publisher: ISBN: Category : Concrete Languages : en Pages : 40
Book Description
Because of the nature of the hydraulic structures over which the Army Corps of Engineers has responsibility, there are frequent requirements to repair spalled or eroded concrete that is underwater, close to the waterline, or in areas from which it is difficult to divert flow or dry the concrete. This investigation evaluated the effectiveness of commercially available products in repair of concrete with wet surfaces. Slant-shear bond and compressive strength tests were conducted on each of the 22 materials recommended for repair of spalls in wet concrete. Based on the results of these screening tests, eight materials were selected for additional laboratory tests including: a) bonding capacity in direct tension; b) bonding capacity under flexural stress; c)resistance to abrasion; d) resistance to cycles of freezing and thawing; e) impact resistance; and f) thermal capability with concrete. Test results and material costs were used in developing a rating system to compare the relative performance of the various materials. Overall performance ratings indicate two materials, an epoxy and a cement-based product, were nearly equal in outperforming the other products tested. Which of these two materials is to be specified for a given repair will likely depend on the specific project requirements and critical material properties. Concrete repair. (edc).
Author: Glenn Smoak Publisher: The Minerva Group, Inc. ISBN: 9780894991707 Category : Technology & Engineering Languages : en Pages : 196
Book Description
This manual was prepared for the Bureau of Reclamation of the United States Department of the Interior. It discusses the Bureau of Reclamation's methodology for concrete repair, addresses the more common causes of damage to concrete, and identifies the methods and materials most successful in repairing concrete damage. This guide contains the expertise of numerous individuals who have directly assisted the author on many concrete repair projects or freely shared their concrete repair knowledge whenever requested.
Author: R T L Allen Publisher: CRC Press ISBN: 0751400866 Category : Architecture Languages : en Pages : 230
Book Description
This practical and comprehensive book enables the engineer to diagnose the cause of a fault, choose the appropriate remedial technique and ensure that the repair work is completed satisfactorily. It will be of value to all those who need to commission, supervise or carry out repairs to concrete structures.
Author: J. Floyd Best
Author: J. Floyd Best
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Author: Glenn Smoak
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Author: W. Glenn Smoak
Author: Portland Cement Association
Author: G. E. Higgins
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Author: R T L Allen