NDLI: Numerical Investigation on the Impact Resistance of Reinforced Concrete Pier

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Numerical Investigation on the Impact Resistance of Reinforced Concrete Pier

Content Provider	Scilit
Author	Ezlyn, O. Noor Shah, Z. Shaharudin
Copyright Year	2019
Description	Journal: Iop Conference Series: Earth and Environmental Science This paper presents a numerical investigation on the impact resistance of reinforced concrete pier. The impact resistance of reinforced concrete pier was determined by simulating the impact from floating log onto a pier during flood, with and without scour. A single pier of 0.9 m diameter and height of 4.0 m was modelled based on the actual working drawing by Public Works Department of Malaysia. Concrete grade for pier varies from grade 30 to grade 150.The log impacting on pier resembles the impact load of 2.0 tonne as recommended in the design guideline. The numerical analysis is conducted with the aid of ANSYS Explicit Dynamics R14 software. Damage index was used to describe the fracture state of the pier. The flood velocity and impactor properties incorporated in the model were based on flood velocity studies and available hardwood in Malaysia. The results indicated that all the impacted pier exhibits local damage in the form of penetration and scabbing. The critical velocity for pier without scour ranges from 1.75m/s to 2.25m/s compared to from 1.75m/s to 3m/s with scour. The impact resistance of reinforced concrete pier is found to be insignificantly affected by pier concrete grade.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/244/1/012032/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/244/1/012032
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	244
Language	English
Publisher	IOP Publishing
Publisher Date	2019-03-07
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Characterization and Testing of Materials Resistance of Reinforced Impact Resistance Reinforced Concrete
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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