无梁楼盖式矩形钢筋混凝土水池的结构受力分析
发布时间：2018-11-06 08:06
【摘要】：无梁楼盖式矩形混凝土水池是矩形水池结构中具有代表性的结构形式,是给排水工程中主要的蓄水构筑物。这种水池体型规整、便于布置,并且使用的建筑材料相对较少,是水池结构中的一种非常经济、合理的结构形式。但在地下水位较高的地区,无梁楼盖式水池的底板经常被设计得比较厚,用来抵抗地下水的浮力作用,达到满足结构稳定性的目的。针对无梁楼盖水池加厚底板起抗浮作用这个工程措施,本文运用等代框架法的结构计算方法,探讨了池壁、底板的不同厚度组合下水池的内力变化。通过对比分析了多组不同池壁、底板厚度的无梁楼盖水池在相同荷载作用下的结构受力情况,总结出水池的池壁、底板的厚度变化对结构内力的影响作用,提出了用等代框架法分析无梁楼盖矩形水池受力时的限制条件。在得到限制条件的结论后,总结了无梁楼盖水池抗浮设计的四种工程措施,并以某水厂内已建成的无梁楼盖式矩形水池为工程实例。在该工程中采用抗拔桩作为水池的抗浮措施。通过使用等代框架法和有限元计算软件分别对该水池做结构受力分析,将两种方法的计算结果进行了对比,分析出两种计算方法产生差异结果的原因,并以两种计算结果为依据做出水池的配筋计算。经过对水池的详细计算和建设单位对水池实际使用,证明了本工程是安全可靠的。
[Abstract]:The rectangular concrete tank with no beam floor is a typical structure in the rectangular tank structure, and it is the main water storage structure in the water supply and drainage project. This kind of pool is a kind of economical and reasonable structural form because of its regular shape, convenient arrangement and relatively few building materials. However, in areas with high groundwater level, the bottom plate of the unbeam-floor tank is often designed to be thicker, which is used to resist the buoyancy of groundwater and to meet the purpose of structural stability. In view of the engineering measure of anti-floating effect of thickened floor slab in the unbeamless floor water pool, the internal force change of the pool under the combination of different thickness of the wall and floor plate is discussed by using the method of equivalent frame structure calculation in this paper. Through the comparison and analysis of the structural forces under the same load, the influence of the wall of the pool and the thickness of the bottom plate on the internal force of the structure is summarized. In this paper, the equivalent frame method is used to analyze the stress condition of rectangular tank without beam floor. Based on the conclusion of limited conditions, four kinds of engineering measures for anti-floating design of unbeamless floor water pool are summarized, and an example of the rectangular unbeam-floor tank built in a waterworks is given. In this project, the anti-drawing pile is used as the anti-floating measure of the pool. By using the equivalent frame method and the finite element calculation software to analyze the structural force of the tank, the results of the two methods are compared, and the reasons for the difference between the two methods are analyzed. The reinforcement calculation of the pool is made based on the results of two kinds of calculation. It is proved that the project is safe and reliable through the detailed calculation of the pool and the actual use of the pool by the construction unit.
【学位授予单位】：天津大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU375
本文编号：2313671
[Abstract]:The rectangular concrete tank with no beam floor is a typical structure in the rectangular tank structure, and it is the main water storage structure in the water supply and drainage project. This kind of pool is a kind of economical and reasonable structural form because of its regular shape, convenient arrangement and relatively few building materials. However, in areas with high groundwater level, the bottom plate of the unbeam-floor tank is often designed to be thicker, which is used to resist the buoyancy of groundwater and to meet the purpose of structural stability. In view of the engineering measure of anti-floating effect of thickened floor slab in the unbeamless floor water pool, the internal force change of the pool under the combination of different thickness of the wall and floor plate is discussed by using the method of equivalent frame structure calculation in this paper. Through the comparison and analysis of the structural forces under the same load, the influence of the wall of the pool and the thickness of the bottom plate on the internal force of the structure is summarized. In this paper, the equivalent frame method is used to analyze the stress condition of rectangular tank without beam floor. Based on the conclusion of limited conditions, four kinds of engineering measures for anti-floating design of unbeamless floor water pool are summarized, and an example of the rectangular unbeam-floor tank built in a waterworks is given. In this project, the anti-drawing pile is used as the anti-floating measure of the pool. By using the equivalent frame method and the finite element calculation software to analyze the structural force of the tank, the results of the two methods are compared, and the reasons for the difference between the two methods are analyzed. The reinforcement calculation of the pool is made based on the results of two kinds of calculation. It is proved that the project is safe and reliable through the detailed calculation of the pool and the actual use of the pool by the construction unit.
【学位授予单位】：天津大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU375
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