ALGORITHMS FOR DETECTING HONEYCOMBS IN RC BEAMS

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ISMAIL Z.; SAMUGAVELU D.; ABD RAZAK H.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING) Year:2007 | Volume:8 | Issue:5 Page(s): 563-572

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Information Journal Paper

Title

ALGORITHMS FOR DETECTING HONEYCOMBS IN RC BEAMS

Author(s)

ISMAIL Z. | SAMUGAVELU D. | ABD RAZAK H. | Issue Writer Certificate

Keywords

HONEYCOMB

RC BEAM

MODAL ANALYSIS

LAPLACIAN

SIMPLIFIED LAPLACIAN

GEOMETRIC MEAN

Abstract

While cracks and corrosion can be detected visually, HONEYCOMB damage cannot be detected by observation with the naked eye. In this study methods of detecting and locating HONEYCOMB damage using three operator algorithms were compared. HONEYCOMB blocks were prepared and placed at predetermined locations along reinforced concrete beams with 1200×75×125mm size. HONEYCOMBs were located in the beam near one of the supports, in between mid span and support, at mid span, at symmetrical locations and randomly. A total of five damaged beams were prepared for the studies; with one beam prepared for the purpose of control. Modal testing method was used to detect the HONEYCOMBs. The test was done using a shaker to excite input to the beam. Eigenvalue data from the modal testing was used to detect the presence of HONEYCOMBs in the reinforced concrete beams. Eigenvector data from modal testing were used for detecting HONEYCOMB locations. Eigenvector values were post-processed for detecting these locations. The best results were obtained using the GEOMETRIC MEAN Operator.

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APA: Copy

ISMAIL, Z., SAMUGAVELU, D., & ABD RAZAK, H.. (2007). ALGORITHMS FOR DETECTING HONEYCOMBS IN RC BEAMS. ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING), 8(5), 563-572. SID. https://sid.ir/paper/298754/en

Vancouver: Copy

ISMAIL Z., SAMUGAVELU D., ABD RAZAK H.. ALGORITHMS FOR DETECTING HONEYCOMBS IN RC BEAMS. ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING)[Internet]. 2007;8(5):563-572. Available from: https://sid.ir/paper/298754/en

IEEE: Copy

Z. ISMAIL, D. SAMUGAVELU, and H. ABD RAZAK, “ALGORITHMS FOR DETECTING HONEYCOMBS IN RC BEAMS,” ASIAN JOURNAL OF CIVIL ENGINEERING (BUILDING AND HOUSING), vol. 8, no. 5, pp. 563–572, 2007, [Online]. Available: https://sid.ir/paper/298754/en

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