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2012 (Vol. 4, Issue: 01)
Article Information:

The Effect of Notched Designs on the Performance of Bamboo

L. Gyansah and S. Kwofie
Corresponding Author:  L. Gyansah 

Key words:  Crushing strength, loading failure, semi-circular notched, square notched, u-notched, v-notched,
Vol. 4 , (01): 8-15
Submitted Accepted Published
2011 March, 25 2011 November, 04 2012 January, 01
Abstract:

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.
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  Cite this Reference:
L. Gyansah and S. Kwofie, 2012. The Effect of Notched Designs on the Performance of Bamboo.  Research Journal of Environmental and Earth Sciences, 4(01): 8-15.
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ISSN (Online):  2041-0492
ISSN (Print):   2041-0484
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