RC框架節(jié)點(diǎn)開(kāi)角縫抗震性能擬靜力試驗(yàn)研究
[Abstract]:In order to study the seismic behavior of RC frame joints with angle joints, two different specimens were tested, and the responses of two specimens under cyclic loading were compared. According to the tests, the failure characteristics, hysteretic characteristics, skeleton curves, ductility and stiffness degradation curves of the two specimens under earthquake action are analyzed. The results show that with the increasing of loading displacement, the stress in the beam is higher than that in the column, but the common specimen is opposite, the shape of hysteretic curve is full and the deformation ability is stronger. More seismic energy can be absorbed, but the hysteretic curve of the ordinary specimen is not full, it is anti-S-shaped, it has the effect of "pinch" and is affected by slip, and its ductility and energy dissipation are both poor. The tensile ductility coefficient is 25.90% and 22.77% higher than that of the ordinary specimen, and the stiffness of the two specimens is degraded, but the stiffness of the ordinary specimen is more obvious.
【作者單位】: 華北理工大學(xué)建筑工程學(xué)院;河北省地震工程研究中心;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(51078124)
【分類(lèi)號(hào)】:TU375.4;TU352.11
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