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- W2388729338 abstract "Based on flexural crack-width tests of 8 post-tensioned bonded prestressed concrete beams with 500 MPa tensile non-prestressing steel bars under two-point symmetrical concentrated short-term loading,crack patterns of beams are investigated.Crack distributions at pure bending section of beams are compared.The development of side cracks along beam height is obtained.Test results show that the diameter of tensile non-prestressing steel bar and the number of strand bundles have effect on crack distributions;however,the distance between the center of strand bundles and the tensile bottom surface has no significant influence on crack distributions.The curve of d-w(d denotes the distance between observation points of side cracks and tensile edge of section,w denotes crack width at observation points)shows left depression near tensile non-prestressing steel bars,while no obvious left depression near strand bundles.The curve of d-w is approximately characterized by single Z or double Z alphabetic shape.The development of cracks will be well controlled if small-diameter steel bars are arranged in the tensile area of beams.The cracks in the vicinity of tensile non-prestressing steel bars can be better restrained than the ones around strands." @default.
- W2388729338 created "2016-06-24" @default.
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- W2388729338 date "2012-01-01" @default.
- W2388729338 modified "2023-09-26" @default.
- W2388729338 title "Analysis of Crack Patterns of Post-Tensioned Bonded Prestressed Concrete Beams with 500 MPa Steel Bars" @default.
- W2388729338 hasPublicationYear "2012" @default.
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