Evaluation of initial prestress state in PS strand using the deformation characteristics of multi-strand anchor head
Sign Up to like & getrecommendations! Published in 2018 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-017-0800-x
Abstract: Prestressed concrete (PSC) bridge resists to deflection and cracking by prestressing its concrete superstructure using steel strands. The initial prestress force introduced in the strands at the completion of the structure influences sensitively its long-term… read more here.
Keywords: strand; anchor head; prestress; initial prestress ... See more keywords
Gradient-based prestress and size optimization for the design of cable domes
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2021.03.015
Abstract: Abstract Cable domes are cable-strut structural systems widely used as large span roofs of arenas, stadiums, and open spaces for their lightweight forms and aesthetic impact. We first recall the matrix theory for the static… read more here.
Keywords: prestress size; optimization; cable domes; prestress ... See more keywords
A prestress testing method for the steel strands inside in-service structures based on the electrical resistance
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DOI: 10.1016/j.measurement.2021.109930
Abstract: Abstract To test the prestress of internal prestress steel strands, the relationship between the resistance and the prestress was analyzed. The equivalent electrical models of the testing systems were established. The results of the prestress… read more here.
Keywords: steel; steel strands; resistance prestress; prestress ... See more keywords
An Evaluation Method for Effective Prestress of Simply Supported Prestressed Concrete Beams with Breathing Cracks
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DOI: 10.1155/2021/8876093
Abstract: Loss of effective prestress and accurate detection of actual stress in existing precast prestressed concrete bridges are two major challenges in the bridge industry. In this respect, this research aims at an improved method for… read more here.
Keywords: prestressed concrete; prestress; method; effective prestress ... See more keywords
Increased Cell Traction-Induced Prestress in Dynamically Cultured Microtissues
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DOI: 10.3389/fbioe.2019.00041
Abstract: Prestress is a phenomenon present in many cardiovascular tissues and has profound implications on their in vivo functionality. For instance, the in vivo mechanical properties are altered by the presence of prestress, and prestress also… read more here.
Keywords: traction forces; prestress; increased cell; tissue ... See more keywords