One kind of CFRP bars produced in China is used to replace normal steel reinforcing bars in unbonded prestressed concrete beams and the corresponding anchorage devices are developed at the same time.

• 采用国内生产的碳纤维塑料筋作为预应力钢筋制成了无粘结预应力混凝土梁 ,并开发了相应的预应力锚具。