Application of Impact-Echo Method in Grouting Inspection in Ducts inside Prefabricated Box Girder
2014 ◽
Vol 505-506
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pp. 24-27
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Based on basic principle of detection using impact-echo method, in combination with urgent demand of grouting quality inspection in ducts inside post tensioning type prefabricated box girder in bridge engineering, impact-echo method has been used for non-destructive detection of grouting compactness in pre-stressed ducts inside prefabricated box girder. Verification by beating away measuring points shows that the impact-echo method can accurately locate metal corrugated pipes and qualitatively judge grouting compactness inside prefabricated box girder ducts, to allow effective inspection of grouting quality in strands of pre-stressed ducts.
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2014 ◽
Vol 584-586
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pp. 2060-2067
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2006 ◽
Vol 321-323
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pp. 400-403
2014 ◽
Vol 577
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pp. 1114-1118
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2014 ◽
Vol 1000
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pp. 285-288
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