Bau, Maaria Irma Yunita (2024) Pengaruh Rasio Volumetrik Tulangan Pengekang Bambu pada Jalur Tekan terhadap Momen Lentur Balok Beton Bertulang Bambu. Undergraduate thesis, Fakultas Teknik Universitas Merdeka Malang.

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Abstract

The use of bamboo as an alternative to replace steel reinforcement is generally stillnot good. New research is needed to address these weaknesses, so improvements were made by providing confinement in the compression zone. This study aims todetermine the effect of the volumetric ratio of bamboo stirrups in the compressionzone on the flexural strength of bamboo-reinforced concrete beams. The testspecimens used in this study were sized 15 x 15 x 65 cm with a concrete quality of25 Mpa. The variations in volumetric ratio used were 0.71%, 1.31%, and 1.54%. The testing was conducted when the concrete was 28 days old based on ASTMC78/C78M. The research results indicate that the volumetric ratio of bamboo stirrups affects the flexural capacity of the beams. The variations in volumetric ratio (0.71%, 1.31%, and 1.54%) had flexural moment values of 1.64 KNm, 1.73 KNm, and 1.78 KNm respectively, while the normal (without stirrups) had a value of 1.52 KNm. The greater the volumetric ratio, the greater the resulting flexural moment.

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