@report {28923,
	title = {DELAMINATION BEHAVIOR OF CURVED POST-TENSIONED CONCRETE STRUCTURES},
	year = {2019},
	institution = {NC State University},
	abstract = {The research presented in this paper was aimed at producing unique experimental data to gain insights into the effects of localized tensile stresses and delamination behavior in cylindrical post-tensioned concrete structures. Data of this sort is currently limited in the literature. Three curved post-tensioned concrete wall assemblies were constructed and tested to delamination failure. To investigate influences associated with specimen size and aggregate effects, all dimensions of Specimen 2 and Specimen 3 were double those of Specimen 1. While the reinforcement ratios were maintained, two different maximum aggregate sizes (3/8{\textquotedblright} for Specimen 1 and Specimen 2, 1{\textquotedblright} for Specimen 3) were used. The test results showed a specimen sizerelated influence on the onset of delamination cracking and delamination failures. The compressive stresses at the onset of delamination cracking were on the range of 0.09fc{\textquoteright}~0.24fc{\textquoteright}, which are lower than the allowable compressive stress limit for a service load condition, 0.35fc{\textquoteright}, specified in ASME BPVC (2017). Discussions regarding initiation of delamination cracking, sectional behavior during delamination cracking, and stress concentrations around the post-tensioning ducts are presented},
	url = {https://repository.lib.ncsu.edu/bitstream/handle/1840.20/37808/SMiRT_25_Paper_Jongkwon_Choi1.pdf?sequence=1},
	author = {Choi Jongkwon and Bayrak Oguzhan and Trevor Hrynyk}
}
