Research Article

Study on Control of Cumulative Risk for Submarine Tunnel Shield Construction

Table 12

The calculation formulas of Fxy.

FxyFSS(tp)FSS(tl)FSS(tn)FSS(tR)FSPFSLFSNFSRFPPFPLFPNFPRFLLFLNFLRFNNFNR
2.8252.3251.9901.7832.8372.3311.9881.7842.8372.7192.3262.1822.3312.0451.9991.9881.948