Analysis is conducted for the damage phenomenon at the lower arch of annular shaft kiln. The cause of damage and its solution are pointed out.

对环型套筒窑下拱桥受损现象进行了分析，提出了下拱桥损坏产生的原因和解决办法。

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However, the width of an arch has a limitation which leads to the long span archs lateral stability lower because of its small ratio of width and span.

但由于拱体的横向尺寸总是有限的，往往使得大跨径拱桥的宽跨比很小。

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Conclusion the equations predicting the available space of lower posterior arch were established.

结论建立下牙弓后段可用间隙预测方程。

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She was seen as the arch "dove" on the committee, consistently advocating lower interest rates, and Mr Brown was reported as having tried to persuade her to stay on for a second term.

BBC: CBI expert joins interest rate committee