【摘要】：高層建筑結(jié)構(gòu)對抗側(cè)力構(gòu)件的要求很高。隨著高層建筑結(jié)構(gòu)的迅速發(fā)展，各種不同的剪力墻形式應(yīng)用而生，其中包括鋼板—混凝土組合剪力墻。鋼板—混凝土組合剪力墻綜合了鋼材和混凝土的受力特點(diǎn)，承載能力高，延性比和側(cè)向剛度大、耗能能力強(qiáng)。目前，國內(nèi)外研究鋼板—混凝土組合剪力墻還不夠詳細(xì)和全面，同時缺乏足夠的工程經(jīng)驗(yàn)和計算理論，阻礙了它在工程中的應(yīng)用。因此，系統(tǒng)全面地研究這種形式剪力墻的抗震性能是很有必要的。本文建立了鋼板—混凝土組合剪力墻的有限元模型，并利用ABAQUS對其進(jìn)行模擬分析，，研究了其在單調(diào)和循環(huán)荷載下的力學(xué)性能。 首先，本文對ABAQUS中的損傷模型理論進(jìn)行了簡要的探討，并結(jié)合新版混凝土結(jié)構(gòu)設(shè)計規(guī)范確定了一種混凝土損傷塑性模型參數(shù)的計算方法。通過對比數(shù)值模擬和公式計算結(jié)果，驗(yàn)證給出的損傷塑性模型參數(shù)計算方法的正確性，為利用ABAQUS模擬鋼板—混凝土組合剪力墻提供基礎(chǔ)。 其次，本文參考以往的研究資料，并根據(jù)規(guī)范中對剪力墻的設(shè)計要求，設(shè)計了一系列鋼板—混凝土組合剪力墻構(gòu)件，利用ABAQUS模擬分析鋼板—混凝土組合剪力墻構(gòu)件在單調(diào)荷載和循環(huán)荷載作用下的力學(xué)性能。繪制各剪力墻構(gòu)件的承載力—水平位移的P-Δ關(guān)系曲線，通過承載能力、變形能力、延性比和滯回耗能等參數(shù)指標(biāo)，分別評價鋼板—混凝土組合剪力墻構(gòu)件在單調(diào)荷載和循環(huán)荷載下的力學(xué)性能；研究構(gòu)件高寬比、軸壓比和混凝土強(qiáng)度等級對鋼板—混凝土組合剪力墻抗震性能的影響；對比分析鋼筋混凝土剪力墻、型鋼混凝土剪力墻和鋼板—混凝土組合剪力墻的抗震性能差異。 最后，本文利用鋼板—混凝土組合剪力墻的有限元模擬結(jié)果，匯總各構(gòu)件的P-Δ曲線，并行無量綱化，通過線性回歸分析，簡單地擬合出了鋼板—混凝土組合剪力墻恢復(fù)力模型中的骨架曲線。
[Abstract]:The requirement of high-rise building structure against lateral force is very high. With the rapid development of high-rise building structures, various shear wall forms are applied, including steel plate and concrete composite shear wall. The steel plate and concrete composite shear wall combines the mechanical characteristics of steel and concrete with high bearing capacity, large ductility ratio and lateral stiffness, and strong energy dissipation ability. At present, the research of steel plate concrete composite shear wall at home and abroad is not enough detailed and comprehensive, at the same time, it lacks enough engineering experience and calculation theory, which hinders its application in engineering. Therefore, it is necessary to study the seismic behavior of this kind of shear wall systematically and comprehensively. In this paper, the finite element model of steel plate concrete composite shear wall is established, and its mechanical properties under monotone and cyclic loads are studied by ABAQUS. Firstly, the theory of damage model in ABAQUS is briefly discussed, and a method of calculating the parameters of damage plastic model of concrete is established by combining with the new design code of concrete structure. By comparing the results of numerical simulation and formula calculation, this paper verifies the correctness of the proposed method for calculating the parameters of the damage plastic model, which provides the basis for simulating the composite shear wall of steel plate and concrete by using ABAQUS. Secondly, a series of steel plate and concrete composite shear wall members are designed according to the design requirements of shear wall in the code. The mechanical properties of steel plate and concrete composite shear wall members under monotonic and cyclic loads are analyzed by ABAQUS simulation. The P- 螖 relation curve of load-horizontal displacement of each shear wall member is drawn. The parameters such as load-carrying capacity, deformation capacity, ductility ratio and hysteretic energy consumption are obtained. The mechanical properties of steel plate-concrete composite shear wall members under monotonic and cyclic loads were evaluated respectively. The effects of aspect ratio, axial compression ratio and strength grade of concrete on seismic behavior of steel plate concrete composite shear wall are studied. The difference of seismic behavior of reinforced concrete shear wall, steel reinforced concrete shear wall and steel plate concrete composite shear wall is analyzed. Finally, using the finite element simulation results of steel plate and concrete composite shear walls, the P- 螖 curves of each component are summarized, and the parallel dimensionless curves are analyzed by linear regression analysis. The skeleton curve of the steel plate-concrete composite shear wall model is simply fitted.
【學(xué)位授予單位】：青島理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TU398.9;TU352.11

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