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外文資料翻譯譯文
彎鋼框架結(jié)點(diǎn)在變化軸向荷載和側(cè)向位移的作用下的周期性行為
摘要:這篇論文討論的是在變化的軸向荷載和側(cè)向位移的作用下，接受測(cè)試的四種受彎鋼結(jié)點(diǎn)的周期性行為。梁的試樣由變截面梁，翼緣以及縱向的加勁肋組成。受測(cè)試樣加載軸向荷載和側(cè)向位移用以模擬側(cè)向荷載對(duì)組合梁抗彎系統(tǒng)的影響。實(shí)驗(yàn)結(jié)果表明試樣在旋轉(zhuǎn)角度超過0.03弧度后經(jīng)歷了從塑性到延性的變化?？v向加勁肋的存在幫助傳遞軸向荷載以及延緩腹板的局部彎曲。
外文原文Cyclic behavior of steel moment frame
connections under varying axial load and lateral displacements
Abstract: This paper discusses the cyclic behavior of four steel moment connections tested under variable axial load and lateral displacements. The beam specim- ens consisted of a reducedbeam section, wing plates and longitudinal stiffeners. The test specimens were subjected to varying axial forces and lateral displace- ments to simulate the effects on beams in a Coupled-Girder Moment-Resisting Framing system under lateral loading. The test results showed that the specim- ens responded in a ductile manner since the plastic rotations exceeded 0.03 rad without significant drop in the lateral capacity. The presence of the longitudin- al stiffener assisted in transferring the axial forces and delayed the formation of web local buckling.