Research Article

The Load Capacity Model and Experimental Tests of a New Yielding Steel Prop

Table 5

Stable load capacity calculated by theoretical model and by tests for different specimens.

Prop specimensNumber of steel ballsStable load capacity calculated by theoretical model (kN)Stable load capacity by tests (kN)Relative rate (%)

141781853.8
2104464684.7
3208929203.0
430133814004.4