Abstract
The aim of this paper is to evaluate, through bending tests, the structural behavior of reinforced concrete beams additionally reinforced by bamboo splints. The bamboo splints are prepared from the stems of the Bambusa vulgaris species. To examine the strength of adhesion between the bamboo splint and concrete, pull out tests are performed for the specimens. The results of the pullout tests of the test samples show the strengthening of the nodes leading to an increase of the normal tension and rupture of splint and not its slip. According to the results of the bending beams, the presence of bamboo splints increases their load capacity when compared with the reference beams. This is indicative of a reduction in the amount of steel required as the structural element. The insertion of the bamboo splints in the beams provides a better performance in terms of the deflection and also leads to a slight increase in the load capacity of the beams. It is worth mentioning that the beams additionally reinforced by bamboo splints exhibit the same pattern of cracking as for reference beams
Highlights
Bamboo has been studied and researched to be used as a concrete strengthening element, in order to find an alternative to steel reinforcement, traditionally used in civil construction, in view of the need to apply renewable and alternative materials to this sector that grows more and more each day
According to (Ferreira, 2007), the ideal percentage of bamboo "reinforcement" depends on the type of structure, the distribution of the load, the final dimensioned load and the economic aspects related to obtaining the materials
The author states that the ideal percentage is between 1.25% and 8.33%
Summary
Bamboo has been studied and researched to be used as a concrete strengthening element, in order to find an alternative to steel reinforcement, traditionally used in civil construction, in view of the need to apply renewable and alternative materials to this sector that grows more and more each day. According to (Ferreira, 2007), the ideal percentage of bamboo "reinforcement" depends on the type of structure, the distribution of the load, the final dimensioned load and the economic aspects related to obtaining the materials. (Ghavami, 2005) states that bamboo is a material that has. It is possible to apply the usual sizing procedures used for reinforced concrete beams in bamboo-reinforced beams, since they all obey the BernoulliKirchoff theory
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