The main purpose of this study was to investigate the strength and performance of CFRP by using simple fiber-reinforced methods. It shows that the Reef knot has the highest strength in all by an uni-axial loading test. It is confirmed that the outer shape of the CFRP is important to fabricate the strongest structure. It is also attributed that the CFRP joining methods with a smooth contour will improve the connection strength between fiber strands and knot.
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