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 ...
Ramirez-Garcia, Alberto T.; Dang, C.N.; Deschenes, R.A.; Hale, W. M.; Martí Vargas, José Rocío(American Concrete Institute, 2018)
[EN] Transfer length is a significant parameter in the design of pretensioned
concrete members. This study reports the measured transfer
length of 15.2 mm (0.6 in.) prestressing strands. Twenty-four pretensioned
concrete ...
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 ...
[EN] The bond between prestressing strands and concrete in the transfer zone of pretensioned concrete members is a complicated mechanism. Concrete creep and shrinkage are dominant time-dependent factors that affect the ...
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 ...
Hagedorn, R.; Martí Vargas, José Rocío; Dang, C.N.; Hale, W.M.; Floyd, R.W.(American Society of Civil Engineers, 2019-08-01)
[EN] This paper presents an experimental research work to determine temperature gradients in concrete bridge girders under natural environmental conditions. Three AASHTO Type I-girders having different configurations (with ...