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THE EFFECT OF REINFORCEMENT ON THE ULTRASONIC PULSE VELOCITY FOR CONCRETE | ||
| DIYALA JOURNAL OF ENGINEERING SCIENCES | ||
| Article 14, Volume 3, Issue 0, 2010, Pages 79-92 PDF (0 K) | ||
| Author | ||
| Ali H. Hameed | ||
| Abstract | ||
| ABSTRACT:- Two types of samples were studied in the laboratory of university of Diyala .The first sample was used cubes (150*150*150 mm) number (21),and the second sample was used slabs with dimension (500*500*150 mm) number (7),distributed the steel reinforcement with one direction Ø 12, Ø 16 mm ,with spacing (10,15,20 cm ). The reading of ultrasonic pulse velocity by two methods direct and non direct, with horizontal and vertical of reinforcement direction. The results of the test for average three reading per point of the samples ,with different ages (7,14,28 day) respectively, show that, increase with dimension of steel bar ,age and decrease the spacing with reinforcement ,also the decrease the cover of concrete increase the pulse velocity. The reinforcement samples had showed the increasing in the pulse velocity non direct method by (7.9%, 7.6%, 6.4%) and (12.2%, 11.9%, 11.7%), two bar Ø 12, Ø 16 mm, with spacing (10, 15, 20 cm) receptively. | ||
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