Effect of Length Development on Concrete Jacketing Method with Bamboo Reinforcement of Flexural Capacity Reinforced Concrete Beam

Beams are components of building structures that resist bending loads. In this research, the strength of the reinforced concrete beams will be tested with various lengths of bamboo reinforcement using the concrete jacketing (retrofiting) method. The study was conducted at the Structure Laboratory of the Brawijaya University, Malang, Indonesia. Existing reinforced concrete beams with dimensions of 15x20 cm span 120cm, stirrup reinforcement installed D10 at a distance of 10cm, for the main reinforcement D13. Mix mortar with a thickness of 3 cm and four bamboo reinforcement with dimension 1x1 cm as a layer of repair (retrofiting). The first loading is carried out until the existing reinforced concrete beam reaches the peak load condition, and is continued with the second loading (retrofit) until it reaches collapse. From the results of the study showed the length development of bamboo reinforcement will increase the flexural capacity of concr