So, arch bridges normally need strong abutments at either side to push against that can withstand the extra horizontal loads.

因此，拱桥通常需要两侧有坚固桥台来推动，以承受额平荷载。

Instead of transferring the arch thrusts into an abutment, you can tie the two ends together with a horizontal chord.

您可以用平弦将两端在一起，而不是将拱推力转移到基台上。

The gates stayed open until February 27th, nearly three weeks after the whole mess started, revealing the havoc to the dam's right abutment.

闸门一直打开到 2 月 27 日，距离整个混乱开始近三周，大坝右坝肩遭到严重破坏。

Additional cables, called backstays, were connected to anchorages behind each tower to balance the horizontal forces, similar to the way suspension bridges work with their towers and abutment anchorages.

额缆索（称为后拉索）连接到每个塔后面锚地，以平衡平力，类似于悬索桥与其塔和桥台锚地工作方式。