Research Article

Numerical Simulation Study on Influence of a Structural Parameter of D Bolt, an Energy-Absorbing Rock Bolt, on its Stress Distribution

Table 3

Axial stresses of segments in D bolts with different ratios of spacing among anchors, Pa.

RSANumber of segmentsNumber of D bolts
12345

For 70 : 50 : 40 : 3011.80E + 091.75E + 091.75E + 091.75E + 091.75E + 09
23.10E + 093.10E + 093.10E + 093.00E + 093.00E + 09
34.25E + 094.25E + 094.25E + 094.20E + 094.20E + 09
44.25E + 094.10E + 094.10E + 094.00E + 094.00E + 09

For 60 : 50 : 40 : 4011.85E + 091.75E + 091.75E + 091.75E + 091.75E + 09
23.30E + 093.20E + 093.20E + 093.10E + 093.10E + 09
34.07E + 093.80E + 093.80E + 093.80E + 093.80E + 09
43.75E + 093.25E + 093.25E + 093.15E + 093.15E + 09

For 40 : 40 : 50 : 6012.25E + 092.00E + 092.00E + 091.80E + 091.80E + 09
23.70E + 093.30E + 093.30E + 093.25E + 093.25E + 09
33.70E + 093.30E + 093.30E + 093.25E + 093.25E + 09
42.60E + 092.30E + 092.30E + 092.20E + 092.20E + 09

For 30 : 40 : 50 : 7012.25E + 092.20E + 092.20E + 092.10E + 092.10E + 09
23.25E + 093.25E + 093.25E + 093.20E + 093.20E + 09
33.25E + 093.00E + 093.00E + 093.00E + 093.00E + 09
42.25E + 092.20E + 092.20E + 092.20E + 092.20E + 09