.7 5.8 4.3 3.5 2.9 2.5 2.2 Р25a 402 11.3 7.5 5.6 4.5 3.8 3.2 2.8 Р28a 509 14.3 9.5 7.1 5.7 4.8 4.1 3.6 Р32a 692 19.4 12.9 9.7 7.8 6.5 5.5 4.8 Р32c 760 21.3 14.2 10.6 8.5 7.1 6.1 5.3 Р36a 875 24.5 16.3 12.3 9.8 8.2 7.0 6.1 Р36c 962 26.9 18.0 13.5 10.8 9.0 7.7 6.7 Р40a 1090 30.5 20.3 15.3 12.2 10.2 8.7 7.6 Р40c 1190 33.3 22.2 16.7 13.3 11.1 9.5 8.3 Р45a 1430 40.0 26.7 20.0 16.0 13.3 11.4 10.0 Р45c 1570 44.0 29.3 22.0 17.6 14.7 12.6 11.0 Р50a 1859 52.1 34.7 26.0 20.8 17.4 14.9 13.0 Р50c 2080 58.2 38.8 29.1 23.3 19.4 16.6 14.6 Р56a 2342 65.6 43.7 32.8 26.2 21.9 18.7 16.4 Р56c 2551 71.4 47.6 35.7 28.6 23.8 20.4 17.9 Р63a 2981 83.5 55.6 41.7 33.4 27.8 23.8 20.9 Р63c 3298 92.3 61.6 46.2 36.9 30.8 26.4 23.1 Р Р Р δ=M/W Р间支梁集中力 Mmax=QL/4 间支梁均布力 Mmax=Q*L*L/8 Р 1400=M/W=QL/4/W Р Q=1400*4*W/L≈5600*w/L
全文预览
