Impact of the Nodal and Internodal Sections on the Strength Properties of Bamboo
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The structural use of bamboo as a material of construction demands for the deeper
study of the mechanical properties of the culm as regards its nodal and internodal
sections. Most literatures have concentrated majorly on the use of bamboo as
reinforcement in low modulus concrete with little or' no regard on the other factors that
affect its structural performance This study therefore investigates the influence of nodal
and internodal sections on the strength properties of bamboo
The results indicate that the average compress1ve stress was 59.4 N/mm= for the
internodal section-and 66 .09 N/mm- for the nodal section. The average flexural stresses
were 35.78 Nmm- and 46.44 N/mm: respectively for the internodal and nodal sections
the average modulus of elasticity was between~ 2.68 and 8.22. x "164 N/ mm= for the
nodal section. It is concluded that the strength of bamboo culm is a function of the nodal
and internodal sections and that nodal section has higher strength when compared with
the internodal section
Keywords
TH Building construction