【摘要】：部分框支剪力墻結(jié)構(gòu)是目前高層建筑應(yīng)用最為廣泛的結(jié)構(gòu)體系之一，而轉(zhuǎn)換梁則是整個部分框支剪力墻結(jié)構(gòu)中最為關(guān)鍵的結(jié)構(gòu)構(gòu)件，轉(zhuǎn)換梁承擔(dān)著將轉(zhuǎn)換層上部抗側(cè)力體系的水平荷載和豎向荷載傳遞到轉(zhuǎn)換層下部抗側(cè)力體系上的功能，一旦失效，整個結(jié)構(gòu)將不可避免導(dǎo)致破壞。當(dāng)轉(zhuǎn)換梁下設(shè)置落地墻后，，轉(zhuǎn)換梁的內(nèi)力、應(yīng)力、裂縫和變形性能都有較大變化，研究落地墻的設(shè)置對轉(zhuǎn)換梁受力性能的影響及影響程度的大小具有重要的實(shí)際意義。 本文對部分框支剪力墻結(jié)構(gòu)和轉(zhuǎn)換梁的研究和應(yīng)用現(xiàn)狀進(jìn)行了簡要介紹，并對鋼筋混凝土結(jié)構(gòu)有限元分析的特點(diǎn)進(jìn)行了簡述，通過有限元軟件ANSYS建立了帶落地墻和不帶落地墻的部分框支剪力墻結(jié)構(gòu)的局部模型，并改變轉(zhuǎn)換梁上部剪力墻的布置和轉(zhuǎn)換層所在位置，研究了在上述情況下，當(dāng)豎向荷載和水平荷載作用時，落地墻的設(shè)置對轉(zhuǎn)換梁內(nèi)力、應(yīng)力、裂縫和變形性能的影響以及影響程度的大小。 本文的研究表明落地墻的設(shè)置對轉(zhuǎn)換梁的內(nèi)力、應(yīng)力、裂縫和變形性能都有一定的改善作用，并且這種改善作用隨著轉(zhuǎn)換梁上部剪力墻的布置和轉(zhuǎn)換層所在位置的變化而變化。
[Abstract]:The partial frame-supported shear wall structure is one of the most widely used structural systems in high-rise buildings at present, and the transfer beam is the most important structural member in the whole frame-supported shear wall structure. The transfer beam bears the function of transferring the horizontal load and vertical load from the upper part of the transfer layer to the lateral resistance system of the lower part of the transfer layer. Once failure occurs, the whole structure will inevitably lead to failure. When the floor wall is installed under the transfer beam, the internal force, stress, crack and deformation performance of the transfer beam are greatly changed. It is of great practical significance to study the influence of the installation of the floor wall on the mechanical performance of the transfer beam and the magnitude of the influence degree. This paper briefly introduces the research and application of some frame-supported shear wall structures and transfer beams, and briefly describes the characteristics of finite element analysis of reinforced concrete structures. Based on the finite element software ANSYS, the local models of the shear wall structure with and without the floor wall are established, and the arrangement of the upper shear wall of the transfer beam and the location of the transfer floor are changed. When the vertical load and the horizontal load are applied, the influence of the installation of the floor wall on the internal force, stress, crack and deformation performance of the transfer beam and the magnitude of the influence degree are discussed. The research in this paper shows that the installation of floor wall can improve the internal force, stress, crack and deformation performance of the transfer beam, and the improvement effect varies with the arrangement of the upper shear wall of the transfer beam and the location of the transfer layer.
【學(xué)位授予單位】：華中科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TU973.16

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