Structural Design and Mechanical Performance Analysis of Carbon Fiber Closed Fixtures for UHV Transmission Lines

Table 3

Composite material stiffness reduction.

Failure modes	Material stiffness reduction method
1-directional tensile or compressive failure
2-directional tensile or compressive failure
3-directional tensile or compressive failure
1-2 in-plane shear failure
1-3 in-plane shear failure
2-3 in-plane shear failure