ArticleMaterials (Basel, Switzerland)2021
Experimental and Numerical Study on Interface Bond Strength and Anchorage Performance of Steel Bars within Prefabricated Concrete.
Article in Materials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Study on Joint Connection Performance of an Innovative Tooth Groove Connection and Vertical Reinforcement Lapping in Reserved Hole.Materials (Basel, Switzerland) · 2023Article
- Bond Behavior of Plain Bars in Concrete under Reversed Cyclic Loading.Materials (Basel, Switzerland) · 2023Article
- Ultimate Shear Force of an Any Anchor Group Post-Installed into Concrete.Materials (Basel, Switzerland) · 2023Article
- Advanced Structural Concrete Materials in Bridges.Materials (Basel, Switzerland) · 2022Article
- On the Calibration of a Numerical Model for Concrete-to-Concrete Interface.Materials (Basel, Switzerland) · 2021Article
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Authors and funding
3 authors.
Funding
Abstract
This study investigates the interface bond strength and anchorage performance of steel bars within prefabricated concrete. Twenty-two specimens were designed and manufactured to study the interface bond behavior of deformed and plain steel bars under a larger cover thickness. Diameter of steel bars, strength grade of concrete, and anchorage length were considered influential factors. The finite element method (ABAQUS) was used for the validation of experimental results. The interface bond's failure mechanism and the anchorage length in the prefabricated concrete under different concrete strength levels were explored and compared to national and international codes. A suitable value of the basic anchoring length for the prefabricated structure was recommended. The results show that the interface bond strength of prefabricated bridge members is directly proportional to the strength grade of the concrete, inversely proportional to the reinforcement diameter, and less related to anchorage length. The effect of the cover thickness of the surrounding concrete is negligible. Conversely, the bearing capacity of prefabricated bridge members depends on the strength of the concrete, the diameter of the steel bar, and the anchorage length. Furthermore, it is concluded that the mechanical bond strength accounts for 88% of the bond strength within prefabricated concrete.
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Registered trials
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