,欲使顶端产生水平位移[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142731_92880.png" alt="" />,需加水平力[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142731_78877.png" alt="" />,则体系的自振频率[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142730_99898.png" alt="" />。 [img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142730_88296.png" alt="" /> ">
首页 > 学历类 > 自考 > 自考专业(建筑工程) > 结构力学(二) > 单自由度体系如图,[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142731_39125.png" alt="" />,欲使顶端产生水平位移[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142731_92880.png" alt="" />,需加水平力[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142731_78877.png" alt="" />,则体系的自振频率[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142730_99898.png" alt="" />。 [img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142730_88296.png" alt="" />

单自由度体系如图,[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142731_39125.png" alt="" />,欲使顶端产生水平位移[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142731_92880.png" alt="" />,需加水平力[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142731_78877.png" alt="" />,则体系的自振频率[img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142730_99898.png" alt="" />。 [img src="https://img.haodaxue.net/uploadimg/image/20200615/20200615142730_88296.png" alt="" />

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