And because of its low design carrying capacity, some damages are appearing now, such as arch leaking, mortar weathering and arch springing cracking.

这些早期建造的石拱桥由于设计承载力较低、环境腐蚀等原因，逐渐出现一些损伤，如拱圈漏水、砂浆风化、拱脚开裂等。

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There may be a section of entablature between the capital and the springing of the arch.

在柱顶和拱形的起拱点之间可能存在柱上楣构的部分。

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In 1928, freysinet used the cantilever concept to construct the springing of the arch rib in the plougastel bridge.

在1928年，弗莱西奈运用悬臂的概念，在德国普鲁加斯泰尔桥修筑了拱桥的起拱部分。

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