Numerical Simulation and Optimization Design of End-Suspended Pile Support for Soil-Rock Composite Foundation Pit

Table 4

Parameters of prestressed anchor cable.

Prestressed anchor cable	Axial stiffness (kN)	Prestress (kN)	Ultimate pull (kN)	Horizontal inclination (°)
The first	3.651 × 10^5	60	63	20
The second	3.651 × 10^5	110	171	15
The third	3.651 × 10^5	140	250	15
The fourth	3.651 × 10^5	—	—	15