發(fā)布時(shí)間：2018-02-03 20:42

  本文關(guān)鍵詞： 疊合板式剪力墻 自復(fù)位剪力墻 數(shù)值模擬 滯回曲線　出處：《合肥工業(yè)大學(xué)》2014年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：隨著我國(guó)住宅產(chǎn)業(yè)化的不斷發(fā)展，預(yù)制結(jié)構(gòu)在我國(guó)的應(yīng)用越來(lái)越廣泛。課題組對(duì)裝配式剪力墻開(kāi)展了一系列的研究，本文依托國(guó)家自然科學(xué)基金青年科學(xué)基金項(xiàng)目（半裝配式鋼筋混凝土剪力墻結(jié)構(gòu)抗震性能和設(shè)計(jì)方法的研究50908071），對(duì)裝配式剪力墻構(gòu)件的試驗(yàn)和數(shù)值模擬分析開(kāi)展了研究工作。 本文開(kāi)展了6片一字型剪力墻（其中2片為全現(xiàn)澆、4片為預(yù)制疊合板式剪力墻）和2片強(qiáng)連接疊合板式剪力墻的試驗(yàn)研究，對(duì)比了上述剪力墻以及自復(fù)位剪力墻的破壞形態(tài)及滯回曲線特征，并采用非線性有限元分析軟件OpenSees對(duì)以上不同類(lèi)型剪力墻進(jìn)行了數(shù)值模擬研究，將模擬結(jié)果與試驗(yàn)結(jié)果進(jìn)行了對(duì)比。 研究結(jié)果表明：在相同軸壓比時(shí)，采用兩種不同邊緣構(gòu)件的預(yù)制疊合板式剪力墻滯回環(huán)的形狀與全現(xiàn)澆剪力墻試件較為接近，并沒(méi)有表現(xiàn)出太大差別�；A(chǔ)插筋面積充足時(shí)，疊合板式剪力墻的塑性部位可以由水平拼縫部位上移至墻板內(nèi)部，插筋應(yīng)力傳遞效果良好。自復(fù)位剪力墻墻體裂縫少，變形能力強(qiáng)，并且殘余變形小，震后恢復(fù)能力強(qiáng)。基于修正的Kent-Park本構(gòu)關(guān)系的混凝土模型以及Steel02鋼筋模型能夠較好的模擬低周反復(fù)荷載作用下上述三種裝配式剪力墻的受力特性和滯回特征，，OpenSees能夠較好得模擬裝配式剪力墻在低周反復(fù)荷載作用下的反應(yīng)。
[Abstract]:With the continuous development of housing industrialization in our country, prefabricated structures are more and more widely used in China. A series of research on prefabricated shear walls has been carried out by the research group. This paper relies on the National Natural Science Foundation Youth Science Foundation project (semi-assembled reinforced concrete shear wall structure seismic performance and design method research 50908071). The experiment and numerical simulation analysis of assembled shear wall members are carried out. In this paper, the experimental research on six one-character shear walls (2 of which are full cast-in-situ and 4 prefabricated laminated slab shear walls) and two strongly connected composite plate shear walls has been carried out in this paper. The failure patterns and hysteretic curve characteristics of the above shear walls and the self-reset shear walls are compared, and the numerical simulation of these different types of shear walls is carried out by using the nonlinear finite element analysis software OpenSees. The simulation results are compared with the experimental results. The results show that when the axial compression ratio is the same, the shape of hysteretic loop of prefabricated laminated plate shear wall with two different edge members is close to that of cast-in-place shear wall specimen. The plastic part of the laminated plate shear wall can be moved from the horizontal joint to the inside of the wall when the base insertion area is sufficient. The effect of stress transfer is good. The self-reposition shear wall wall has less cracks, strong deformation ability and small residual deformation. The concrete model based on the modified Kent-Park constitutive relation and the Steel02 steel bar model can simulate the three kinds of prefabricated shear forces under low cyclic cyclic loading. The mechanical characteristics and hysteretic characteristics of the wall. OpenSees can well simulate the response of assembled shear walls under low cyclic cyclic loading.
【學(xué)位授予單位】：合肥工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TU398.2;TU352.11

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