$\theta {/}^{\circ }$

$M_{XX}/\left(\text{kN}\cdot \text{m}\right)$

${\Delta }_p/\%$

节点2

节点4

节点2

节点4

45

21.568

24.29

-

-

52

17.898

23.47

17.0

3.4

60

15.847

22.78

11.5

2.9

68

14.269

19.35

9.9

1.5

78

13.561

17.68

5.0

0.9