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Abstract
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Article Information:
The Effect of Notched Designs on the Performance of Bamboo
L. Gyansah and S. Kwofie
Corresponding Author: L. Gyansah
Submitted: 2011 March, 25
Accepted: 2011 November, 04
Published: 2012 January, 01 |
Abstract:
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This research was carried out to find out the behaviour of carefully cut-out notches of U, V, Semi-
Circular, and Square shapes on bamboo samples at constant length of 250 mm. All specimens were subjected
to axial loads using the uniaxial compression machine. The time of failure and maximum loads before failure
were obtained accordingly. The compressive stresses of the specimens were evaluated. Results of the entire
experiment were carefully analyzed and it was established that U-notched samples had the shortest time of
failure; followed by the square notched samples; and then followed by the semi-circular notched samples, and
finally the V-notched samples had the longest time of failure. The semi-circular notched samples had the
smallest load of failure; followed by the U-notched samples; and then followed by the square notched samples,
and finally the V-notched samples had the largest load of failure. The load of failure for the V, U, square, and
semi-circular notches are 74.67, 49, 56.67 and 40 kN, respectively. Time of failure for the V, U, square and
semi-circular notches are 52.71, 44.22, 45.69 and 50.79 s, respectively. In any design where the uses of notches
in bamboo are employed, the designer or engineer should use V-notched shaped designs if load is the baseline
for the design otherwise square-notched design is recommended, if stress is the baseline.
Key words: Crushing strength, loading failure, semi-circular notched, square notched, u-notched, v-notched,
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Abstract
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Cite this Reference:
L. Gyansah and S. Kwofie, . The Effect of Notched Designs on the Performance of Bamboo. Research Journal of Environmental and Earth Sciences, (01): 8-15.
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ISSN (Online): 2041-0492
ISSN (Print): 2041-0484 |
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