本文關(guān)鍵詞： 新型型鋼混凝土柱 抗震性能 彈塑性有限元分析 影響因素 正截面受壓承載力　出處：《西安建筑科技大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：型鋼混凝土柱是型鋼混凝土框架結(jié)構(gòu)中重要的受力構(gòu)件，對(duì)整個(gè)型鋼混凝土結(jié)構(gòu)的抗震性能發(fā)揮著重要的作用。我國實(shí)際工程中主要采用普通工字型鋼或H型鋼SRC柱，大多數(shù)研究工作也是針對(duì)這些普通型鋼混凝土柱，而對(duì)于新型型鋼混凝土柱的研究還較少。隨著建筑業(yè)的發(fā)展，其對(duì)結(jié)構(gòu)各方面的要求也越來越高，在某些情況下傳統(tǒng)型鋼混凝土柱無法滿足實(shí)際工程的需求，因此對(duì)新型截面形式SRC柱的研究工作亟需開展。本文采用數(shù)值模擬與理論分析相結(jié)合的方式對(duì)兩種新型截面形式的型鋼混凝土柱進(jìn)行了研究，并與普通型鋼混凝土柱進(jìn)行了對(duì)比，體現(xiàn)出其優(yōu)越的抗震性能及承載能力，主要研究工作如下： 運(yùn)用有限元分析軟件ABAQUS對(duì)型鋼混凝土柱進(jìn)行建模，分析其在低周反復(fù)荷載作用下的抗震性能，并將軟件模擬計(jì)算得到的滯回曲線、骨架曲線、延性數(shù)據(jù)等與試驗(yàn)數(shù)據(jù)進(jìn)行對(duì)比，，驗(yàn)證本文所建ABAQUS模型在SRC柱非線性分析方面的可行性及適用性。在模型適用的基礎(chǔ)上，通過改變更多參數(shù)，研究配鋼形式、軸壓比、腹板厚度、配箍率、加載角度等對(duì)新型型鋼混凝土柱抗震性能的影響。將我國兩部現(xiàn)行型鋼混凝土規(guī)程中有關(guān)型鋼混凝土柱正截面受壓承載力的計(jì)算方法(強(qiáng)度疊加法與極限平衡法)進(jìn)行對(duì)比分析，找出適合本文新型型鋼混凝土柱正截面受壓承載力計(jì)算的方法。根據(jù)數(shù)值模擬分析中各影響因素對(duì)新型型鋼混凝土柱承載能力的不同影響，以強(qiáng)度疊加法為基礎(chǔ)，提出了適合新型型鋼混凝土柱正截面受壓承載力的計(jì)算方法，并進(jìn)行了驗(yàn)證。
[Abstract]:Steel reinforced concrete column (SRC) is an important force member in SRC frame structure, which plays an important role in the seismic behavior of the whole SRC structure. In our country, the common I-shaped steel or H-shaped steel SRC column is mainly used in practical projects in our country. Most of the research work is also aimed at these ordinary steel reinforced concrete columns, but there is less research on new type steel reinforced concrete columns. With the development of the construction industry, the requirements for all aspects of the structure are becoming higher and higher. In some cases, the traditional steel reinforced concrete columns can not meet the needs of practical projects, Therefore, it is urgent to develop the research on the new type of SRC columns. In this paper, two new types of steel reinforced concrete columns are studied by combining numerical simulation and theoretical analysis. Compared with ordinary steel reinforced concrete column, it shows its superior seismic performance and bearing capacity. The main research work is as follows:. The finite element analysis software ABAQUS is used to model the steel reinforced concrete column and its seismic behavior under low cyclic cyclic loading is analyzed. The hysteretic curve and skeleton curve obtained by the software simulation are calculated. By comparing the ductility data with the test data, the feasibility and applicability of the ABAQUS model in nonlinear analysis of SRC columns are verified. On the basis of the applicability of the model, the form of steel distribution and axial compression ratio are studied by changing more parameters. Web thickness, hoop ratio, The effect of loading angle on the seismic behavior of new type steel reinforced concrete columns. The calculation methods of compressive bearing capacity of normal sections of steel reinforced concrete columns (strength superposition method and limit equilibrium method) in the two existing SRC codes in China are introduced in this paper. For comparative analysis, A method for calculating the bearing capacity of the normal section of a new type of steel reinforced concrete column is found. According to the different influence factors on the bearing capacity of the new type steel reinforced concrete column in the numerical simulation analysis, the strength superposition method is used as the foundation. The calculation method of normal section bearing capacity of new type steel reinforced concrete column is put forward and verified.
【學(xué)位授予單位】：西安建筑科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TU398.9;TU352.11

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