小高层框架结构材料等级合理选取的研究

发布时间：2018-01-29 01:34

本文关键词： 钢筋混凝土结构小高层建筑材料等级配筋钢筋用量　出处：《西安工业大学》2013年硕士论文　论文类型：学位论文

【摘要】：钢筋混凝土结构作为当今主要的建筑结构形式,合理利用了钢筋与混凝土两大材料的性能特点,混凝土主要承受压力,钢筋主要承受拉力,通过两者之间良好的粘结力,二者共同工作,以满足工程结构的使用要求。本文以钢筋混凝土小高层框架结构为研究对象,在对主要受力构件梁、柱、板有关钢筋与混凝土的等级选取的问题做了深入分析后,将研究成果用于工程实例中进行整体分析和工程造价的比较分析,提出了一些设计建议。本文的主要工作内容如下：(1)综合论述了我国小高层建筑结构的发展,高强材料的推广意义并简单介绍了研究所需的软件PKPM2010与ETABS9.4。(2)参照结构设计相关规范有关混凝土结构构件诸如梁、柱的设计规定,结合各类构件的设计要点,对构件的不同影响因素进行算例的对比分析,绘制相应数据图表,总结出构件配筋计算时的材料等级选取的一般规律。(3)参照上述构件分析的结果,进行实际工程设计。首先初步选择构件的截面尺寸与材料强度等级,进而用软件进行结构整体分析,根据计算结果对结构进行适当调整,使得结构满足承载力与正常使用的基本要求。进而在其他条件均不变的情况下,分别对不同的材料等级分四个方案进行选取,通过不同方案下用钢量的比较结果来确定最合理的材料等级方案。(4)对工程实例选取最合理的材料等级后,建立相同条件下的ETABS模型。选取PKPM与ETABS两种软件对相同设计条件下的模型的主要参数进行比较,从而验证材料等级选取的合理性。对组成结构的构件进行合理设计是结构整体设计的基础,在结构设计的初始阶段如果对构件的截面尺寸及材料的强度等级选择较为合适的话,设计人员根据初始的计算结果可以较为快捷对结构进行合理化的调整。因此,构件设计是进行结构设计的关键。在构件设计合理的基础上结合结构整体设计的控制参数对模型进行调整,以求设计出安全经济的建筑结构。
[Abstract]:Reinforced concrete structure as the main building structure at present, the reasonable use of the reinforced and concrete material performance characteristics, concrete is mainly under pressure, the main tension of steel bar. Through the good bond between the two, the two work together to meet the requirements of the use of engineering structures. This paper takes the reinforced concrete small high-rise frame structure as the research object, in the main force member beam, column. After in-depth analysis of the selection of steel bar and concrete grade, the research results are applied to the overall analysis and the comparative analysis of project cost in engineering examples. Some design suggestions are put forward. The main work of this paper is as follows: 1) the development of small high-rise building structure in China is comprehensively discussed. The popularization significance of high-strength materials and the software PKPM2010 and ETABS9.4.2for the research are briefly introduced. The concrete structural members such as beams are introduced in reference to the relevant codes for structural design. The design rules of the column, combined with the design points of all kinds of components, the different influence factors of the components are compared and analyzed, and the corresponding data charts are drawn. The general rule of material grade selection in reinforcement calculation is summarized. (3) the actual engineering design is carried out according to the results of the above component analysis. First, the section size and material strength grade of the member are preliminarily selected. Then the software is used to analyze the whole structure and adjust the structure according to the calculation results to make the structure meet the basic requirements of carrying capacity and normal use. Different material grades are divided into four schemes, and the most reasonable material grade is determined by the comparison results of steel quantity under different schemes.) after selecting the most reasonable material grade for engineering examples. The ETABS model under the same conditions is established and the main parameters of the model under the same design conditions are compared by two kinds of software, PKPM and ETABS. In order to verify the rationality of the selection of material grade, the reasonable design of the components is the basis of the overall design of the structure. In the initial stage of structural design, if the section size of the member and the strength grade of the material are more suitable. According to the initial calculation results, the designer can rationalize the structure more quickly. Component design is the key of structural design. Based on the reasonable design of the component, the model is adjusted in combination with the control parameters of the overall design of the structure in order to design a safe and economical building structure.
【学位授予单位】：西安工业大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TU973.15

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