【摘要】：剪力墻構(gòu)件是超高層建筑必不可少的構(gòu)件之一,主要用來抵抗建筑物所受到的側(cè)向水平力。傳統(tǒng)混凝土剪力墻存在濕作業(yè)過多、墻體過厚和成本過大等問題,已不滿足國家十三五規(guī)劃中提出大力發(fā)展綠色建筑的要求。而鋼板混凝土組合剪力墻能夠充分發(fā)揮混凝土結(jié)構(gòu)和鋼結(jié)構(gòu)各自的特點(diǎn),改善傳統(tǒng)剪力墻的一些缺陷,從而推動鋼結(jié)構(gòu)建筑和裝配式建筑與綠色建筑深度融合。目前主要有單鋼板混凝土組合剪力墻和雙鋼板混凝土組合剪力墻兩個(gè)研究方向。單鋼板混凝土組合剪力墻已有了較多較全面的研究,對于雙鋼板混凝土組合剪力墻的研究主要集中在整體抗剪性能和設(shè)計(jì)方法,但內(nèi)部抗剪連接件對組合剪力墻抗震性能的影響仍缺乏系統(tǒng)研究。因此迫切需要對帶有內(nèi)部抗剪連接件的組合剪力墻其各項(xiàng)性能進(jìn)行深入研究,本文主要開展的研究工作如下:(1)進(jìn)行了4個(gè)雙鋼板-混凝土組合剪力墻在低周往復(fù)荷載作用下的抗震性能試驗(yàn),詳細(xì)研究了組合剪力墻的受力機(jī)理、滯回性能和破壞形式,研究了水平荷載和水平位移的滯回曲線和骨架曲線。研究了結(jié)構(gòu)的剛度退化、強(qiáng)度退化、延性和耗能能力,分析了組合剪力墻的鋼板和混凝土協(xié)同工作狀態(tài)。(2)對4個(gè)試驗(yàn)試件分別建立了有限元分析模型,通過試驗(yàn)數(shù)據(jù)驗(yàn)證了有限元分析模型的準(zhǔn)確性。對采用波形鋼筋作為抗剪連接件的雙鋼板-混凝土組合剪力墻進(jìn)行了非線性全過程受力分析,研究了試件的應(yīng)力分布。利用有限元分析模型進(jìn)行了組合剪力墻的剪切變形分析,探討了試驗(yàn)過程中組合剪力墻剪切變形所占總變形的比例。(3)建立了模擬雙鋼板-混凝土組合剪力墻的軸壓性能有限元分析模型,通過試驗(yàn)驗(yàn)證了該有限元分析模型的準(zhǔn)確性和合理性。進(jìn)行了雙鋼板-混凝土組合剪力墻軸壓性能的參數(shù)分析,研究了抗剪連接件、鋼板強(qiáng)度、混凝土強(qiáng)度、鋼板厚度等參數(shù)對組合剪力墻軸壓性能的影響,獲得了主要的影響參數(shù)。(4)建立了模擬雙鋼板-混凝土組合剪力墻的抗剪性能有限元分析模型,通過試驗(yàn)驗(yàn)證了該有限元分析模型的準(zhǔn)確性和合理性。進(jìn)行了雙鋼板-混凝土組合剪力墻抗剪性能的參數(shù)分析,研究了抗剪連接件、鋼板強(qiáng)度、混凝土強(qiáng)度、鋼板厚度等參數(shù)對組合剪力墻抗剪性能的影響,獲得了主要的影響參數(shù)。
[Abstract]:Shear wall member is one of the essential components of super high-rise building, which is mainly used to resist the lateral horizontal force of the building. The traditional concrete shear wall has many problems, such as too much wet work, too thick wall and too large cost, which can not meet the requirement of developing green building in the 13th Five-Year Plan. The steel plate concrete composite shear wall can give full play to the characteristics of concrete structure and steel structure, and improve some defects of traditional shear wall, thus promoting the deep integration of steel structure building and prefabricated building and green building. At present, there are two main research directions: single plate concrete composite shear wall and double plate concrete composite shear wall. Single steel plate concrete composite shear wall has been studied more comprehensively. The research on double plate concrete composite shear wall is mainly focused on the overall shear performance and design method. However, the influence of internal shear connectors on seismic performance of composite shear walls is still lack of systematic study. Therefore, it is urgent to study the performance of composite shear wall with internal shear joint. The main work of this paper is as follows: (1) the seismic behavior tests of four composite shear walls with double steel plate and concrete under low cyclic load are carried out, and the mechanical mechanism, hysteretic behavior and failure form of composite shear walls are studied in detail. The hysteretic curve and skeleton curve of horizontal load and displacement are studied. The stiffness degradation, strength degradation, ductility and energy dissipation capacity of the structure are studied, and the cooperative working state of steel plate and concrete of composite shear wall is analyzed. (2) the finite element analysis models are established for four test specimens. The accuracy of the finite element analysis model is verified by the experimental data. The nonlinear whole process stress analysis of double steel plate concrete composite shear wall with corrugated steel bar as shear connector is carried out and the stress distribution of the specimen is studied. The shear deformation analysis of composite shear wall is carried out by using finite element analysis model. The ratio of shear deformation of composite shear wall to total deformation is discussed. (3) the finite element analysis model of axial compression behavior of composite shear wall with double steel plate and concrete is established. The accuracy and rationality of the finite element analysis model are verified by experiments. The axial compression behavior of composite shear wall with double steel plate and concrete was analyzed, and the influence of shear joint, strength of steel plate, strength of concrete and thickness of steel plate on axial compression performance of composite shear wall was studied. The main influence parameters are obtained. (4) the finite element analysis model of the shear behavior of double-plate-concrete composite shear wall is established, and the accuracy and rationality of the finite element analysis model are verified by experiments. The parameters of shear resistance of composite shear wall with double steel plate and concrete are analyzed. The influence of shear joint, strength of steel plate, strength of concrete and thickness of steel plate on the shear resistance of composite shear wall is studied, and the main parameters are obtained.
【學(xué)位授予單位】：合肥工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TU973

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