Development of the Large-Tonnage Pressure-Type Prestressed Anchor Cable with BFRP for Geotechnical Engineering and Its Mechanical Properties

Table 2

Strength test of the “BFRP-connector-strand.”

Steel strand structure for the “BFRP-connector-strand”	Strength of the “BFRP-connector-strand”	The failure mode of the “BFRP-connector-strand”
Normal steel strand	146.00 kN	Steel strand pulled out from the connector (Figure 3(a))
Quartz sand-coated steel strand	165.92 kN	Steel strand pulled out from the connector
Sputtering-treated steel strand	185.66 kN	Steel strand pulled out from the connector
Surface-indented steel strand	336.97 kN	BFRP tendon rupture (Figure 3(b))