The topology optimal model of truss structures with the constraints of displacement and systematic reliability under multiple load cases is constructed.

建立了多工况下具有位移和体系可靠性约束的桁架结构拓扑优化设计数学模型。

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Experimental research shows that the proposed method can be successfully used to localize single or multiple damages on the three dimension truss structure.

空间桁架结构破损诊断的实验研究表明，该方法能成功地诊断出结构单个或多个破损的位置。

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The research ideas as well as (approaches) have provided useful reference of multiple-line coefficient for fatigue check and computation of four-line and multiple-line steel truss bridge.

该研究思路和方法也为四线钢桁梁桥及更多线钢桁梁桥的疲劳检算多线系数研究提供依据。

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