Experimental Investigation of Prestressing Strand Bond on Behavior of Concrete Members

2016 ◽  
Vol 114 (1) ◽  
Author(s):  
Jan Laco ◽  
Viktor Borzovič
Keyword(s):  
Experimental Investigation ◽  
Concrete Members ◽  
Strand Bond ◽  
Prestressing Strand

Background for the new PCI recommended practice on strand bond

PCI Journal ◽  
2020 ◽  
Vol 65 (6) ◽  
pp. 27-32
Author(s):  
Jared Brewe
Keyword(s):  
Quality Control ◽  
Structural Design ◽  
Precast Concrete ◽  
Development Length ◽  
Pullout Tests ◽  
Strand Bond ◽  
Bonding Properties ◽  
And Control ◽  
Prestressing Strand

The new PCI “Recommended Practice to Assess and Control Strand/Concrete Bonding Properties of ASTM A416 Prestressing Strand” specifies two new threshold limits for pullout tests conforming to ASTM A416 and new equations for the transfer and development length of prestressing strand. This article provides a summary of more than 30 years of research and knowledge advancement on the bond between concrete and prestressing strand related to the development of the new recommended practice. Discussions regarding the adoption and incorporation of the new recommended practice into structural design, strand production, and precast concrete fabrication and quality control practices are ongoing.

Evaluation of strand bond properties along the transfer length of prestressed lightweight concrete members

2013 ◽  
Vol 49 ◽  
pp. 1048-1058 ◽  
Author(s):  
Cristina Vázquez-Herrero ◽  
Isabel Martínez-Lage ◽  
Gerardo Aguilar ◽  
Fernando Martínez-Abella
Keyword(s):  
Lightweight Concrete ◽  
Bond Properties ◽  
Transfer Length ◽  
Concrete Members ◽  
Strand Bond

Strand bond stress–slip relationship for prestressed concrete members at prestress release

2015 ◽  
Vol 49 (3) ◽  
pp. 889-903 ◽  
Author(s):  
Yaohua Deng ◽  
George Morcous ◽  
Zhongguo John Ma
Keyword(s):  
Prestressed Concrete ◽  
Bond Stress ◽  
Concrete Members ◽  
Strand Bond
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