预应力简支工字钢梁自振频率变化规律研究

薛刚，李景祥

Study on Variation Laws of Natural Frequencies of Simply Supported Steel I-Beams with Pretensioned Strings

噪声与振动控制 . 2017, (3): 78 -81 . DOI: 10.3969/j.issn.1006-1355.2017.03.015