Ramirez-Garcia, Alberto T.; Dang, Canh N.; Hale, W. Micah; Martí Vargas, José Rocío(Elsevier, 2017)
[EN] In pretensioned concrete members, the bond between prestressing strands and concrete in the transfer zone is necessary to ensure the two materials can work as a composite material. This study develops a computer program ...
Dang, Canh N.; Murray, Cameron D.; Floy, Royce W.; Hale, W. Micah; Martí Vargas, José Rocío(Elsevier, 2014-08)
Strand bond is the unique interaction between prestressing strand and adjacent concrete, and directly
affects the performance of the strand in the anchor region. However, strand bond depends upon numerous factors, such ...
Dang, Canh N.; Hale, W. Micah; Martí Vargas, José Rocío(Elsevier, 2017)
[EN] The use of 18-mm prestressing strands is advantageous in the construction of long-span bridges. Transmission length is a significant parameter in the design of pretensioned concrete members. This study provides a ...
Dang, Canh N.; Martí Vargas, José Rocío; Hale, W. Micah(Techno-Press, 2020-10-10)
[EN] Pretensioned concrete (PC) is widely used in contemporary construction. Bond of prestressing strand is significant for composite-action between the strand and concrete in the transfer and flexural-bond zones of PC ...
Kareem, Rahman S; Alsalman, Ali; Dang, Canh N.; Martí Vargas, José Rocío; Hale, W. Micah(American Concrete Institute, 2022-05)
[EN] Ultra-high-performance concrete (UHPC) is characterized by high durability and enhanced mechanical properties. However, proprietary UHPC is not an eco-friendly material due to its high cement content. To improve these ...
The use of 0.7 in. (17.8 mm), Grade 270 (1860) prestressing strands in construction is slow regardless of the engineering advantages of these types of strands. The limited research data and unavailable design guidelines ...
Alsalman, Ali; Dang, Canh N.; Martí Vargas, José Rocío; Hale, W. Micah(Elsevier, 2020-01)
[EN] Ultra-High Performance Concrete (UHPC) offers innovative applications to concrete structures based on enhanced mechanical properties. The use of local materials is necessary to reduce the UHPC cost and save materials ...
Dang, Canh N.; Floyd, Royce W.; Hale, W. Micah; Martí Vargas, José Rocío(Thomas Telford Ltd., 2018)
[EN] Development length of prestressing strands is a significant parameter in the design of pretensioned concrete members.
The adequacy of the code equations used to predict the development length needs to be verified when ...