Truss 5 failed at a higher load, 12

Truss 5 failed at a higher load, 12.18 kN, Failure was initiated by twisting and buckling of the top chord, near mid-span, see Fig. 22. The chord twisted until it touched the side of the test frame and was restrained from further lateral movement load was transferred directly to the bottom chord and the rate of the deflection and the force in the diagonal ties increased rapidly. The forces in the diagonal tie almost reached the point of failure of the clinches, although this was largely due to the restraint against further distortion of the chords by the frame itself, Table 4.

結果 (中文) 1:

在更高的负载，12.18 失败桁架 5 kN，故障由加捻发起和屈曲的上弦，近中期跨度，见图 22。扭曲的直到它碰的一侧的测试框架和从进一步横向运动负荷克制的弦是直接转移到下弦和挠度和部队在迅速增加的对角联系率。虽然这主要是因为反对进一步变形的帧本身，表 4 弦的克制在对角领带的部队几乎达到巨龙，故障点。

結果 (中文) 2:

桁架5失败在一个更高的负载，12.18千牛，故障是由于扭曲和上弦，近中跨，见图屈曲启动。22。扭曲，直到它触及了测试框架的侧面，并从进一步的侧向运动负荷受到抑制的和弦直接被转移到下弦和偏转率和在对角关系的力迅速增大。在对角线领带的力量几乎达到了板上钉钉的故障点，尽管这主要是由于本框架本身，表4对和弦的进一步扭曲的克制。

結果 (中文) 3:

桁架5未能在一个更高的负载，12.18千牛，失败是扭曲的上弦杆屈曲发起，在跨中，参见图22。弦扭到的测试框架的侧和被阻止进一步的横向运动负荷直接转移到下弦的偏转率和斜拉索力迅速增加。在斜拉杆力几乎达到了解决故障点，虽然这在很大程度上是由于约束对和弦失真的框架本身，表4。