本文關(guān)鍵詞： 鋼框架 鋼板剪力墻 抗剪連接件 試驗(yàn)研究 抗震性能　出處：《沈陽(yáng)建筑大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著鋼結(jié)構(gòu)住宅在我國(guó)的應(yīng)用愈加廣泛,特別是高層鋼結(jié)構(gòu)住宅遍地開花,裝配式鋼板剪力墻結(jié)構(gòu)作為一種具有良好抗側(cè)力性能的結(jié)構(gòu)體系,越來(lái)越多的應(yīng)用于鋼結(jié)構(gòu)住宅體系之中,而裝配式鋼板剪力墻與鋼框架的連接構(gòu)造形式成為工程應(yīng)用中的一大難題。傳統(tǒng)的連接構(gòu)造如螺栓連接(由于其制孔精度要求極高、破壞噪音大等)、單魚尾板連接件連接(鋼板剪力墻易發(fā)生平面外失穩(wěn)等)而難以滿足工程應(yīng)用的要求,因此開發(fā)出一種新型的裝配式鋼板剪力墻與鋼框架梁的連接構(gòu)造形式顯得尤為迫切。本文總結(jié)了國(guó)內(nèi)外鋼板剪力墻的研究現(xiàn)狀,深入分析了裝配式鋼板剪力墻與鋼框架的現(xiàn)有連接構(gòu)造的優(yōu)缺點(diǎn),基于現(xiàn)有連接構(gòu)造的缺點(diǎn),提出一種裝配式鋼板剪力墻與鋼框架梁的新型連接構(gòu)造形式,即雙魚尾板連接件。本文以試驗(yàn)研究為基礎(chǔ),開展了單調(diào)加載試驗(yàn)與低周往復(fù)荷載加載試驗(yàn),以了解新型抗剪連接件的力學(xué)性能和破壞機(jī)理,建立合理適用的設(shè)計(jì)方法。本文開展的主要研究?jī)?nèi)容如下：本試驗(yàn)共設(shè)計(jì)制作了8個(gè)試件,進(jìn)行了單調(diào)與低周往復(fù)加載試驗(yàn),為保證試驗(yàn)數(shù)據(jù)的準(zhǔn)確性與合理性,相同連接構(gòu)造的試件數(shù)量均為2個(gè)。通過(guò)試驗(yàn)研究了新型抗剪連接件的破壞模式,承載力,滯回性能,剛度,延性,耗能性能以及新型抗剪連接件對(duì)鋼板剪力墻的約束作用等。從單調(diào)荷載作用下試件的荷載-位移曲線可以看出,試件的彈性階段、彈塑性階段、破壞階段界限明顯,同時(shí)新型雙魚尾板連接件的屈服承載力高于單魚尾板連接件屈服承載力約為10.9%,說(shuō)明新型雙魚尾板連接件傳力分布更加均勻,受力方式更加合理,力學(xué)性能優(yōu)于單魚尾板連接件。低周往復(fù)荷載作用下新型雙魚尾板連接件的極限承載力相對(duì)普通單魚尾板連接件承載力增長(zhǎng)了15.67%,而普通單魚尾板連接件的剛度退化更加明顯,新型雙魚尾板連接件連接的鋼板剪力墻的平面外變形相對(duì)較小,這也反應(yīng)出在試件破壞前,新型雙魚尾板連接件的連接方式對(duì)鋼板剪力墻的約束作用較強(qiáng),雙魚尾板連接件與鋼板剪力墻的協(xié)同工作性能較好,延緩了鋼板剪力墻的平面外失穩(wěn)破壞。新型雙魚尾板連接試件的延性系數(shù)、耗能系數(shù)、等效粘滯阻尼系數(shù)均優(yōu)于單魚尾板連接件,并且它的滯回環(huán)曲線比較飽滿,說(shuō)明新型雙魚尾板連接件耗能能力較好,延性較好,結(jié)構(gòu)具有良好的抗震性能。最后,對(duì)比新型連接件與現(xiàn)有魚尾板連接件的試驗(yàn)結(jié)果,給出此新型連接件應(yīng)用于工程實(shí)際的合理性建議。
[Abstract]:With the widespread application of steel structure house in our country, especially the high-rise steel structure housing, the prefabricated steel plate shear wall structure is regarded as a kind of structure system with good lateral force resistance. More and more of them are used in steel structure residential system, and the connection form of steel plate shear wall and steel frame becomes a difficult problem in engineering application. It is difficult to meet the requirements of engineering application due to the failure of noise and the connection of single fish-plate connectors (such as steel plate shear wall is prone to instability outside the plane), which is difficult to meet the requirements of engineering application. Therefore, it is urgent to develop a new type of connection between steel plate shear wall and steel frame beam. This paper summarizes the research status of steel plate shear wall at home and abroad. The advantages and disadvantages of the existing connection structure between the steel plate shear wall and the steel frame are analyzed in depth. Based on the shortcomings of the existing connection structure, a new type of connection structure between the fabricated steel plate shear wall and the steel frame beam is proposed. In this paper, monotone loading test and low cycle reciprocating load test are carried out to understand the mechanical properties and failure mechanism of the new shear joint. The main research contents of this paper are as follows: in order to ensure the accuracy and rationality of the test data, 8 specimens were designed and made, and the monotone and low cycle reciprocating loading tests were carried out. The number of specimens with the same connection structure is 2. The failure mode, bearing capacity, hysteretic performance, stiffness, ductility of the new shear joint are studied by experiments. From the load-displacement curve of the specimen under monotone load, it can be seen that the boundary of elastic, elastic-plastic and failure stages of the specimen is obvious. At the same time, the yield bearing capacity of the new joint is about 10.9, which indicates that the force distribution of the new joint is more uniform, and the stress mode is more reasonable. Under low cycle reciprocating load, the ultimate bearing capacity of the new type of double fish-plate connectors increases 15.67% compared with that of the ordinary single fish-plate connectors, but the stiffness degradation of the ordinary single-fish-plate connections is more obvious. The out-of-plane deformation of the steel plate shear wall connected by the new type of double fish-plate connector is relatively small, which also shows that the connection mode of the new type of double-fish-plate connection has a stronger constraint on the steel plate shear wall before the specimen is destroyed. The cooperative performance of double fish-plate joint and steel plate shear wall is better, and the out-of-plane instability failure of steel plate shear wall is delayed. The equivalent viscous damping coefficient is better than the single fish-plate connector, and its hysteretic loop curve is full, which indicates that the new type double-fish-plate connector has better energy dissipation ability, better ductility and better seismic performance. By comparing the test results between the new joint and the existing fish-plate connector, the rational suggestions for the application of the new connector in engineering practice are given.
【學(xué)位授予單位】：沈陽(yáng)建筑大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TU391

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