Bamboo plants are one of the natural materials that are often seen growing and quite fast; Bamboo has been extensively researched for use as an alternative to steel reinforcement in concrete construction. Bamboo is not only more accessible, it is also more cost effective and beneficial for the environment. This study examines the bonding strength of bamboo reinforcement in concrete. Buluhpring bamboo from the Gowa area which has been dried and checked for quality is the bamboo material used. A simple cylindrical concrete specimen measuring 150 mm x 300 mm was used for testing the compressive strength of concrete after 28 days and obtained a result of 25.35 MPa. The Pull-Out test was carried out on 28-day cylindrical concrete measuring 150 mm x 300 mm which was planted with parallel and non-parallel U type bamboo reinforcement in it to determine the bond strength of the test object. The result of concrete with parallel bamboo reinforcement type U is 0.79 MPa and concrete with non-parallel bamboo reinforcement type U is 0.69 MPa. Based on the test, concrete with U-type parallel notch bamboo reinforcement is stronger than U-type non-parallel bamboo notch reinforcement.
In today’s world of construction, many use steel as reinforcement for reinforced concrete, where steel is one of the most widely produced materials to meet infrastructure needs. The use of steel is so rapid but has several drawbacks such as a less economical price and not environmentally friendly. In addition, the characteristics of bamboo plant materials that can be an alternative, where bamboo has a fiber that is good enough to withstand the same tensile strength as steel reinforcement that works in concrete construction. However, some things that must be considered are the air content which is quite influential on the tensile strength. This research focuses on the effect of water content in bamboo on the tensile strength of bamboo itself. The bamboo material used is Buluhpring bamboo from the Gowa Region, the bamboo is dried and tested for its characteristics. From the results of the water content test, the average water content was 34.44% on the bottom of bamboo, 25.89% on the middle bamboo and 14.89% on the upper bamboo where the Upper segment of bamboo have met ISO 22157 standards. -01-2004. The bamboo material was also tested for tensile strength of 277.54 Mpa at the bottom, 308.51 Mpa at the middle and 357.10 Mpa at the top. From the test results, it can be seen that the relationship between the water content of bamboo and the tensile strength of bamboo is that the smaller the water content contained in the bamboo, the higher the tensile strength of the bamboo material accepted by bamboo.
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