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     鮑  臻  李席珍  王瑞蘭
    （機(jī)械工業(yè)部設(shè)計(jì)研究院 北京 100081）

[提要]  在工程中，用機(jī)械式激振器偏心施加簡(jiǎn)諧擾力的辦法，使基礎(chǔ)產(chǎn)生扭轉(zhuǎn)振動(dòng)。本文介紹了試驗(yàn)情況以及取得的數(shù)據(jù)，并且提出了建議。
[關(guān)鍵詞]  扭轉(zhuǎn)振動(dòng) 地基 剛度系數(shù) 激振

The torsional vibration caused by simple harmonic disturbing force produced via a mechanical exciter, in engineering practice. This article introduces the experiments conducted and the data acquired, also gives some suggestions.
Keywords: torsional vibration; ground rigidity factor; excitation