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Experimental Study on Pulse Shaping Techniques for Brittle Materials in Split Hopkinson Pressure Bar

Ganorkar, Kavita P. / Goel, Manmohan Dass / Chakraborty, Tanusree

The impact mechanical characteristics of concrete specimens are examined using a 76 mm diameter split Hopkinson pressure bar (SHPB) device. In lieu of valid SHPB experiments on concrete material, specimens must be loaded with a specific smooth and trapezoidal incident pulse. This incident waveform type can be produced by utilizing the suitable pulse waveform of the incident pulse. The copper pulse shaper is proposed in the present work to get dynamic equilibrium in the specimen. The influence of pulse shaper sizes on the incident pulses is studied, and suitable pulse shapers are found for large-diameter SHPB setups. According to the results, if a appropriate pulse shaper is not selected for SHPB experiment, it will affect test results. The high strain rate properties of concrete are investigated in this regard using an appropriate pulse shaper.

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Experimental Study on Pulse Shaping Techniques for Brittle Materials in Split Hopkinson Pressure Bar

Ganorkar, Kavita P. / Goel, Manmohan Dass / Chakraborty, Tanusree

The impact mechanical characteristics of concrete specimens are examined using a 76 mm diameter split Hopkinson pressure bar (SHPB) device. In lieu of valid SHPB experiments on concrete material, specimens must be loaded with a specific smooth and trapezoidal incident pulse. This incident waveform type can be produced by utilizing the suitable pulse waveform of the incident pulse. The copper pulse shaper is proposed in the present work to get dynamic equilibrium in the specimen. The influence of pulse shaper sizes on the incident pulses is studied, and suitable pulse shapers are found for large-diameter SHPB setups. According to the results, if a appropriate pulse shaper is not selected for SHPB experiment, it will affect test results. The high strain rate properties of concrete are investigated in this regard using an appropriate pulse shaper.

Experimental Study on Pulse Shaping Techniques for Brittle Materials in Split Hopkinson Pressure Bar

Ganorkar, Kavita P. / Goel, Manmohan Dass / Chakraborty, Tanusree

The impact mechanical characteristics of concrete specimens are examined using a 76 mm diameter split Hopkinson pressure bar (SHPB) device. In lieu of valid SHPB experiments on concrete material, specimens must be loaded with a specific smooth and trapezoidal incident pulse. This incident waveform type can be produced by utilizing the suitable pulse waveform of the incident pulse. The copper pulse shaper is proposed in the present work to get dynamic equilibrium in the specimen. The influence of pulse shaper sizes on the incident pulses is studied, and suitable pulse shapers are found for large-diameter SHPB setups. According to the results, if a appropriate pulse shaper is not selected for SHPB experiment, it will affect test results. The high strain rate properties of concrete are investigated in this regard using an appropriate pulse shaper.

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Title:

Experimental Study on Pulse Shaping Techniques for Brittle Materials in Split Hopkinson Pressure Bar

Additional title:

Lecture Notes in Civil Engineering

Contributors:

Kumar, Ratnesh (editor) / Bakre, Sachin V. (editor) / Goel, Manmohan Dass (editor) / Ganorkar, Kavita P. (author) / Goel, Manmohan Dass (author) / Chakraborty, Tanusree (author)

Conference:

Structural Engineering Convention ; 2023 ; Nagpur, India

Published in:

Recent Developments in Structural Engineering, Volume 2 ; Chapter: 55 ; 571-577

Lecture Notes in Civil Engineering ; 543

Publication date:

2024-11-24

Size:

7 pages

ISBN:

978-981-97-6067-1 , 978-981-97-6066-4

ISSN:

2366-2565 , 2366-2557

DOI:

https://doi.org/10.1007/978-981-97-6067-1_55

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Pulse shaper , Dynamic , SHPB , Impact , Copper Engineering , Building Construction and Design , Solid Construction , Sustainable Architecture/Green Buildings , Structural Materials

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