...内水压力；有限元法；结构计算；地基模型 [gap=1326]Key words：the cast-in-place reinforced concrete box culvert；internal water pressure；FEM ；structural computation；foundation model ...
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Certain the tunnel’s minimum cover up deeply then simulation to the tunnel which under the maximum internal water pressure by combine to the boundary condition.
用上抬准则初步确定隧洞最小埋深后,结合公式推导时所采用的边界条件对受最大内水压力作用的隧洞进行模拟。
参考来源 - 不衬砌有压引水隧洞成洞条件及围岩稳定研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Steel lining, concrete lining and surrounding rock can work together to share internal water pressure.
在内水压力下，钢衬、混凝土衬砌和围岩可共同承载。
A field prototype test was used to analyze the method of testing the internal water pressure of pre-stressed concrete cylinder pipe (PCCP), its failure characteristics, and its bearing mechanism.
采用原型现场试验的方法，分析PCCP的管内水压试验方法、破坏特征和承载机理。
The internal gears of these contraptions were turned either by the pressure of uncoiling springs or the flow of water, mercury or sand.
这些玩意儿的内部齿轮由开卷弹簧压力或水流，汞或沙转动。
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