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- Title
Mechanical Properties of Cast-in Anchor Bolts Manufactured of Reinforcing Tempcore Steel.
- Authors
Bahleda, František; Bujňáková, Petra; Koteš, Peter; Hasajová, Lívia; Nový, František
- Abstract
The tempcore process is implemented in rolling mills to produce high strength reinforcing steel. Besides being used as reinforcement, rebars are also used as the base material for the manufacturing of anchor bolts. The mechanical properties of reinforcement bars used in Europe are assessed in accordance with Eurocode without the recommendations for cast-in anchor bolts. The material properties of Tempcore rebars are not homogenous over the bar cross section. The European Assessment Document (EAD) for the cast-in anchor bolts does not exactly specify the mechanical properties of the thread part. The aim of these experiments is to show the different mechanical properties of rebars and their thread parts. The experiments were performed on rebars modified by peeling to characterize the reduction of diameter in a thread part. As a possible way to predict mechanical properties in a non-destructive way, the hardness tests were performed. Next, the application of the correlation relationship between hardness and tensile strength has been determined. The paper formulates preliminary recommendations for assessment of the cast-in anchor bolts in practice.
- Subjects
EUROPE; YARN; HIGH strength steel; HARDNESS testing; REINFORCING bars; MECHANICAL properties of condensed matter; TENSILE strength
- Publication
Materials (1996-1944), 2019, Vol 12, Issue 13, p2075
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma12132075