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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Cast steel joints have been applied in the design of supports, end joints of battered column, multiple pipes intersected joints of truss, etc.

对节点进行了改进，支座、人字柱端节点、多管相贯桁架节点等部位采用了铸钢节点。

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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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