DESTRUCTIVE TESTING OF TWENTY-YEAR-OLD PRESTRESSED CONCRETE BRIDGE BEAMS IN FREEZING-THAWING REGION

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  • Jin-liang Liu Northeast Forestry University, School of Civil Engineering, Harbin, 150040, China
  • Yan-min Jia Northeast Forestry University, School of Civil Engineering, Harbin, 150040, China

DOI:

https://doi.org/10.14311/CEJ.2019.03.0028

Klíčová slova:

Pre-stressed concrete beam, In-service bridge, Freezing-thawing region, Destructive test, Ultimate bearing capacity, Nonlinear finite element analysis

Abstrakt

The paper conducted a destructive test and nonlinear finite element analysis for four pieces of pre-stressed concrete hollow plate, which have served for 20 years in the freezing-thawing region. The results showed that typical bending destruction occurred in the test beams under the action of bending load, and the bearing capacity of the test beams decreased by a little compared with finite element analysis results. The test beams showed typical bending response before the reinforcement yielded under the action of uniform load, and the pre-stressed reinforcement in the bending-shearing zone slipped after reinforcement yielded, the final ultimate bearing capacity of the test beam was only 75% of the finite element calculation value.

Stažení

Data o stažení nejsou doposud dostupná.

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Stahování

Publikováno

2019-10-31

Jak citovat

Liu, J.- liang, & Jia, Y.- min. (2019). DESTRUCTIVE TESTING OF TWENTY-YEAR-OLD PRESTRESSED CONCRETE BRIDGE BEAMS IN FREEZING-THAWING REGION. Stavební Obzor - Civil Engineering Journal, 28(3). https://doi.org/10.14311/CEJ.2019.03.0028

Číslo

Vol 28 No 3 (2019)

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Articles

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