Erratum for “Combined Energy Harvesting and Structural Health Monitoring Potential of Embedded Piezo-Concrete Vibration Sensors” by Naveet Kaur and Suresh Bhalla

Kaur, Naveet; Bhalla, Suresh

doi:10.1061/(ASCE)EY.1943-7897.0000258

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Dec 2, 2014

Erratum for “Combined Energy Harvesting and Structural Health Monitoring Potential of Embedded Piezo-Concrete Vibration Sensors” by Naveet Kaur and Suresh Bhalla

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Authors: Naveet Kaur [email protected] and Suresh Bhalla [email protected]Author Affiliations

Publication: Journal of Energy Engineering

Volume 142, Issue 1

https://doi.org/10.1061/(ASCE)EY.1943-7897.0000258

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Please note the subsequent corrections to the final published paper. In the sentence after Eq. (20),

+ L_{p}

and

- L_{p}

should be read as (

+ 0.5 L_{p}

) and (

- 0.5 L_{p}

), respectively, as follows.

Because the PZT patch is embedded inside the concrete, the shear lag ratio will be equal on both the ends of embedded PZT patch, i.e.,

ξ_{E} |_{x = + 0.5 L_{p}} = ξ_{E} |_{x = - 0.5 L_{p}} = {(ξ_{E})}_{l}

.

Eqs. (22)–(26) may be corrected as described next (limit of integration changed from

L_{p}

to

0.5 L_{p}

)

at x = + 0.5 L_{p}, {(ξ_{E})}_{l} = A \cosh (0.5 Γ_{E} L_{p}) - B \sinh (0.5 Γ_{E} L_{p})

(22)

at x = - 0.5 L_{p}, {(ξ_{E})}_{l} = A \cosh (0.5 Γ_{E} L_{p}) + B \sinh (0.5 Γ_{E} L_{p})

(23)

Solving Eqs. (22) and (23), for constants

A

and

B

A = \frac{{(ξ_{E})}_{l}}{\cosh (0.5 Γ_{E} L_{p})} B = 0

(24)

Substituting the values of constants

A

and

B

in Eq. (20)

ξ_{E} = {(ξ_{E})}_{l} \frac{\cosh Γ_{E} x}{\cosh (0.5 Γ_{E} L_{p})}

(25)

Also, from Eqs. (17) and (25), the PZT to beam strain ratio can be derived as

\frac{S_{p}}{S_{b}} = 1 - {(ξ_{E})}_{l} \frac{\cosh Γ_{E} x}{\cosh (0.5 Γ_{E} L_{p})}

(26)

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Published In

Journal of Energy Engineering

Volume 142 • Issue 1 • March 2016

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History

Received: Oct 4, 2014

Accepted: Oct 30, 2014

Published online: Dec 2, 2014

Discussion open until: May 2, 2015

Published in print: Mar 1, 2016

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Naveet Kaur [email protected]

Research Scholar, Dept. of Civil Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India. E-mail: [email protected]

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Suresh Bhalla [email protected]

Associate Professor, Dept. of Civil Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India (corresponding author). E-mail: [email protected]

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