Result of synthetically analyzing and mechanical computation turns out that the unsymmetrical load is the main cause of the cracks in tunnel lining.
经综合分析及力学计算，存在较大偏压是隧道衬砌产生裂缝的主要原因。
The motors with unsymmetrical load such as fans and water pumps are used widely. They will consumes a great deal of power energy, if controlled by accommodating the bafflesand valves.
风机、水泵这类不均匀负荷的电动机使用面非常广，仍然采用挡板、阀门控制流量的方式多消耗大量电能。
Basing on the rock mechanics property of shallow tunnel under unsymmetrical pressure, a load-structure model is used to calculate internal force and displacement of tunnel lining.
根据浅埋偏压隧道围岩的力学特性，采用荷载结构模型计算隧道支护内力及变形。
Basing on the rock mechanics property of shallow tunnel under unsymmetrical pressure, a load-structure model is used to calculate internal force and displacement of tunnel lining.
根据浅埋偏压隧道围岩的力学特性，采用荷载结构模型计算隧道支护内力及变形。
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