CD Tesis
Analisis Perilaku Sifat Mekanik Beton Berserat Dengan Menggunakan Limbah Karet Pada Perkerasan Jalan Kaku (Rigid Pavement)
Rubber fiber concrete is one form of innovation to utilize used tire waste as a supporting material for the concrete mixture because it has a high elasticity value, so it is expected to change the properties of concrete which tend to be stiff. The growth rate continues to increase every year resulting in an increase in the volume of road capacity. Therefore, the government continues to improve service to the community by building roads with rigid pavement system. Rigid pavements tend to withstand high loads, but concrete is weak against tensile forces. This rubber fiber concrete is expected to modify the properties of the concrete to make it more resistant to these forces. This research aims to determine how optimal and how much influence the addition of fiber to the concrete mixture and aims to utilize used tire waste which always increases every year. The test object used is a cylinder with dimensions of 300x150 mm for split tensile strength, 210x105 mm for compressive strength and beams with dimensions of 600x150x150 mm for flexural strength. Meanwhile, the rubber fiber used in this study is 0%, 2% to 4% by weight of the concrete volume. The test used in this research is slump test, compressive strength, flexural strength and split tensile strength. The results showed that along with the addition of fiber, the concrete mixture experienced a decrease in slump value, but the concrete experienced a fairly good increase in flexural strength, reaching 4.80 MPa with the use of 4% of rubber fibers. By this, it is expected in the design of rigid pavement, waste tires can be used as material in order to modify the properties of the concrete mix concrete rigid. In addition, the use of waste tires also produces environmentally friendly concrete.
Keywords: Rigid Pavement Rubber Tire Fiber, Compressive Strength, Flexural Strength
Tensile Strength
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