Abstract

The aim of this paper is to evaluate through bending tests the structural behavior of reinforced concrete beams additionally reinforced with bamboo splints coated with rubber latex. The bamboo splints are prepared from the stems of the Bambusa vulgaris species and are reinforced in the nodal regions. 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 in the normal tension and rupture of the splint instead of 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 fact indicates a reduction in the amount of steel required as the structural element. Strengthening the nodes of the bamboo splints provides better performance in terms of deflection and also leads to a slight increase in the beams load capacity. It is worth mentioning that the beams additionally reinforced with bamboo splints reinforced in the nodal region present the same cracking pattern as that of reference beams.

Highlights

  • IntroductionBamboo is an alternative that can partly minimize this abusive use of non-renewable materials

  • The concern regarding the effect of the uncontrolled exploitation of non-renewable natural resources that may get depleted soon, and the generation and correct disposal of the waste associated with the growth of several sectors in the economy, construction, have increased the need for new materials to be researched.Bamboo is an alternative that can partly minimize this abusive use of non-renewable materials

  • The normal tension and adhesion stress graphs corresponding to the pullout tests are shown in Figure 7 and 8, respectively

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Summary

Introduction

Bamboo is an alternative that can partly minimize this abusive use of non-renewable materials. According to Pereira and Beraldo (2008), bamboo is a natural resource that is renewed in a shorter period of time and there is no other forest species that can compete with it in terms of growth speed and use per area. According to Pereira and Beraldo (2008), bamboo is a perennial and renewable tropical plant that produces annual shoots without the need for replanting. It has excellent physical, chemical, and mechanical characteristics, besides being efficient at carbon sequestration. According to the authors, bamboo is still little used in Brazil either because of the lack of knowledge of the species, characteristics, and applications, or the lack of standardization and specific research

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