Plate element is used to simulate tunnel lining, road slab and vertical brace, and spring element simulate the interaction between soil and tunnel.

文中隧道衬砌、路面板和竖向支撑用板单元模拟，土与隧道的共同作用用土弹簧模拟。

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In the light of the situation of the cement concrete road slab breaking, this paper analyzes on the causes of its occurrence, and puts forward some measures for preventing the slab breaking.

针对水泥混凝土路面的断板情况，在分析其产生原因的基础上，提出了预防断板应采取的措施。

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Mohammed takes me to a farm across the road, where he and his neighbor lift a stone slab to reveal an earthen chamber six feet deep and wide: an emergency underground food store.

默罕默德带我来到路对面的一个农场，在这儿，他和他邻居抬起一块石板，露出了一个泥做的6英尺见方的地下室，这是一个紧急地下食物仓库。

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