1 2 3 85%

123 1 2

1. 1 =0.057 =0.065 1-1 1-1

1.1 1 2 4

0.511 ADTT

1 234 1.00.81.00.60.80.50.75

(2)

1.2 100026310kN20kN2

(2)

i j i(KN) ij

(3) 3 100026i ij

263345534563310kN20kN3

3 kp,ij ij4 4 k

5 t gr 2

2

2.310mm

3

(mm) 260 250 240270-240260-230250-220mm240-210230-220220-200230220

3. 3.1 0.75mm5% 115% 15% 5 215% 85% 5 350% 50%25 4 / 20

3.2 131.5mm170Kg/m3,281.01.8MPa26.5mm7%-8%219.0mm26.5mm26.5mm31.5mm

326.5mm19.0mm0.075mm5%4.75mm50%25%65%;4%426.5mm0.075mm7%4.75mm50%121485158020

531.5mm26.5mm0.075mm2%2.36mm5%;4.75mm10%9.5%11%,0.390.43626.5mm19.0mm0.075mm2%0.6mm5%2.36mm15%4.75mm20%AH-50AH-702.5%3.5%

3.3131.5mm()19.0mm2.525%300kg/m3()320kg/m3 ()2280mm1/319mm

31/22/326.5mm()19mm()6006001000MPa, 0.6%1.0%360kg/m3()380kg/m3()4)19.0mm280Kg/m3 ()310Kg/m3 ()550MPa60 MPa2.3-3.04.75mm5%5%

4. 10.85 2F 36

6

frm fr cv s t 4

4

5. 5 MP 5.1 5

6 5.2 6

MPaMPa80-1001300-1700150-2001300-1700180-220200C600-800200-25020 0C800-1200250-350200C100-1400200-7009.5%-11%1300-1700600-900(200C 2.5%-3.5%)600-800

7 5.3 7

8 5.4 8

5.5 99

66.1 1 2 3

6.2

6.3

6.4