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Prof. Dr. MARCO ANTONIO DOS REIS PEREIRA
UNESP - BRAZIL BAMBOO PROJECT : MECHANICAL CHARACTERISTICS OF THE GLUED LAMINATED BAMBOO
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BAMBOO PROJECT 1- Priorities species introduction and cultivation
START : 1990 OBJECTIVES : BAMBOO RESEARCH AND DIVULGATION STEPS : 1- Priorities species introduction and cultivation 2 - Culms management and production 3 - Physical and Mechanical characterization 4 - Culms processing 5 - Products/Design
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Dendrocalamus giganteus
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CULMS AGE CONTROLL
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CULMS PROCESSING Transversal Longitudinal cutting. cutting
Four face shaper Nodes removal
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STRIPS POSITION
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Brazilian wood standard (NBR 7190)
- parallel compressive test : 5 x 5 x 15 cm - simple bending test : 5 x 5 x 115 cm - parallel tensile test : 5 x 0,7 x 42 cm
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PARALLEL COMPRESSIVE TEST
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SIMPLE BENDING TEST
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PARALLEL TENSILE TEST
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Elasticity modulus (GPa)
AVERAGE VALUES Strength (MPa) Elasticity modulus (GPa) U (%) Tensile ft0 = 143.7 Et0 = 20.6 11.2 Simple bending ff = 98.9 Ef = 13.6 11.3 Compressive fc0 = 65.5 Ec0 = 18.1 (density = g/cm3)
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SOME DEVELOPED PRODUCTS
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CONCLUSIONS The main conclusion: glued laminated bamboo has good mechanical characteristics to be used in bamboo products confection and in this way it can contribute to avoid native wood cutting
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GRATEFULNESS Thank you
To Fundação de Amparo a Pesquisa do Estado de São Paulo – Fapesp, for the financial support in this work development. To Fundação para o Desenvolvimento da Unesp – FUNDUNESP , for the financial support for this work presentation Thank you
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