装配式建筑不同混凝土楼板的优化选型

发布时间：2018-04-27 11:21

本文选题：装配式建筑 + 钢筋桁架混凝土叠合板　；参考：《聊城大学》2017年硕士论文

【摘要】：随着我国推进以人为核心城市化进程的加快,以及装配式建筑可持续健康发展的需要,装配式建筑已成为建筑行业的一种趋势。与现浇式住宅相比,装配式建筑在节水、省电、绿色、环保等方面的优势明显。但是装配式建筑还存在着设计、施工、制作等方面的协调问题;同时装配式建筑混凝土叠合楼板形式也是多种多样。在目前工程应用中,针对不同尺寸楼板如何选择叠合楼板,使其受力合理、经济实用,仍没有明确的规定和可靠的依据,这成为影响装配式建筑的健康、迅速发展的一个障碍。所以,对装配式建筑楼板的优化选型,在受力合理的基础上,探讨如何取得最大的经济效益、环境效益、社会效益具有很大的现实意义。本文先是介绍了国内外装配式建筑叠合楼板的发展现状,介绍了国内部分科研人员的研究成果,并对当下国内部分省份装配式发展计划做了介绍,包括装配式建筑发展的规模,PC率等。本文对装配式楼板的整体要求做了论述,分析总结了装配式建筑叠合楼板的优缺点,分析探究了普通叠合板的施工工艺,总结了不同叠合板施工时注意事项、检查事项,重点分析研究了装配式叠合楼板中常用的三种形式,钢筋桁架混凝土叠合板、ZDB预应力混凝土叠合板、PK预应力混凝土叠合板,包括它们各自的制作、构造、特点、工程案例;介绍了其他类型的叠合板等。(1)以标志跨度为3.0m,尺寸为3.0m×6.0m为例:1)按钢筋桁架单向叠合板设计时,通过受力分析,得出钢筋截面面积,由规范图集选出适合的叠合楼板,计算材料预算,每块板有A型、B型两种组合方式,得出同一块板由不同的组合方式拼成,材料预算不同;2)按钢筋桁架双向叠合板设计时,计算材料预算,每块板有A型、B型两种组合方式,得出同一块板由不同的组合方式拼成,材料预算不同;3)同一块板,对比按单向板设计时的材料预算和按双向板设计时的材料预算,最后得出结论。(2)分别计算出当标致跨度为3.3m、3.6m、3.9m、4.2m时,各三种尺寸不同的板(长宽比以2为界限)的材料预算,通过对比得出在不同跨度、不同长宽比时,选择何种类型的板更为经济。(3)分别对ZDB预应力混凝土叠合板和PK预应力混凝土叠合板进行了材料预算,然后这两种板进行对比,得出在不同跨度时,选择不同经济型的楼板。(4)最后通过对钢筋桁架单向叠合板、钢筋桁架双向叠合板、ZDB预应力混凝土叠合板、PK预应力混凝土叠合板这4种楼板比较得出,钢筋桁架叠合板的材料预算比预应力叠合板的材料预算高,预应力混凝土叠合板在材料预算上的优势明显,为工程项目合理选择楼板提供参考。
[Abstract]:With the acceleration of human-centered urbanization and the need of sustainable and healthy development of prefabricated architecture, prefabricated architecture has become a trend in the construction industry. Compared with cast-in-place housing, prefabricated buildings have obvious advantages in water saving, electricity saving, green and environmental protection. But there are some problems in the design, construction and manufacture of prefabricated buildings. In the current engineering application, how to choose the composite floor with different sizes, which makes it reasonable, economical and practical, still has no clear regulation and reliable basis, which has become an obstacle to the health and rapid development of prefabricated buildings. Therefore, on the basis of reasonable force, it is of great practical significance to discuss how to obtain the greatest economic benefit, environmental benefit and social benefit. At first, this paper introduces the development status of prefabricated building superimposed floor at home and abroad, introduces the research results of some domestic researchers, and introduces the present prefabricated development plan of some provinces in China. Including the prefabricated construction development of the scale of PC rate. In this paper, the whole requirement of assembled floor slab is discussed, the advantages and disadvantages of composite floor slab of assembly building are analyzed and summarized, the construction technology of common composite slab is analyzed and explored, and the matters needing attention and checking items in construction of different composite slab are summarized. In this paper, three kinds of commonly used composite floor slabs, reinforced truss concrete composite slabs and prestressed concrete laminated slabs (ZDB) and PK prestressed concrete laminated slabs, including their manufacture, construction, characteristics and engineering cases, are analyzed and studied emphatically. This paper introduces other types of laminated slabs and so on. Taking the mark span of 3.0m and the size of 3.0m 脳 6.0m as example: 1) according to the design of steel truss unidirectional composite slabs, the section area of steel bar is obtained by force analysis, and the suitable laminated floor slabs are selected according to the code atlas. When calculating the material budget, each board has two kinds of A type and B type combination mode. It is concluded that the same plate is made up of different combination modes, and the material budget is different.) when designing the reinforced truss two-way composite slab, the material budget is calculated. Each board has two types of A type and B type combination. It is concluded that the same board is composed of different combination modes, and the material budget is different. The material budget for unidirectional board design is compared with that for two-way board design. Finally, the conclusion is drawn that when Peugeot span is 3.3mt ~ 3.6mL ~ 3.9mL ~ 4.2m, the material budget of three kinds of plates of different sizes (the ratio of length to width is limited by 2) is calculated respectively. Through comparison, it is found that when the span is different, the ratio of length to width is different. Which type of slab is more economical?) the material budget of ZDB prestressed concrete composite slab and competitive prestressed concrete composite slab is carried out, and then the two kinds of slab are compared, and the results show that when the span is different, Finally, through comparing the four kinds of RC truss unidirectional laminated slabs and reinforced truss two-way composite slabs, ZDB prestressed concrete composite slabs and PK prestressed concrete composite slabs, The material budget of reinforced truss composite slab is higher than that of prestressed composite slab, and the superiority of prestressed concrete composite slab in material budget is obvious.
【学位授予单位】：聊城大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TU758.12;TU37

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