选择带有塑料球空隙的轻质平地板的最佳参数

O.L. Butska, T.D. Nikiforova, T.Yu. Shevchenko, R.V. Butskyi
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引用次数: 0

摘要

问题的提出。使用钢筋混凝土进行建筑和施工设计,使得具有个性化空间规划结构、丰富多样的外立面和体积解决方案的建筑越来越多。如今,在具有个性化空间规划和建筑方案的多层建筑施工中,使用平面预制整体轻质楼板的有效性问题已成为相关问题。在市场经济条件下,人们对合理利用资源(即建筑中的混凝土和钢筋成本)问题的兴趣急剧增加,这与吸引投资直接相关。众所周知,在用预制整体钢筋混凝土设计建筑时,与预制混凝土相比,采用建筑空间规划参数的自由度更大,设计方案也可能更简单,尤其是楼层。楼板的施工方案取决于对整个建筑和直接对楼板的众多要求。其中一个影响投资吸引力的要求是,在各种结构体系的建筑中,楼面的跨度较大,但材料密集度较小。要在建筑中有效使用带有塑料球空隙的轻质预制整体钢筋混凝土楼板,就必须对这种预制整体钢筋混凝土楼板结构的创新解决方案进行全面的技术和经济分析。本文旨在对平面轻质预制整体楼板的各种设计方案进行技术和经济比较。文章考虑了楼板参数对混凝土和钢筋消耗量的影响。结论。研究结果表明,使用回收材料制成的空心球作为在平地板上制作空心球的材料是合理的。此外,所研究的所有跨度为 6 米、7 米和 8 米的楼板方案,以及直径为 180 毫米、315 毫米和 50 毫米的空心球尺寸,都符合第一组和第二组极限状态的要求。
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SELECTION OF OPTIMAL PARAMETERS OF A LIGHTWEIGHT FLAT FLOOR WITH VOIDS MADE OF PLASTIC BALLS
Formulation of the problem. Architectural and construction design of buildings using reinforced concrete has led to an increase in the number of objects with an individual space-planning structure, a rich variety of facade and volumetric solutions. Today the question of the effectiveness of using flat prefabricated monolithic lightweight floors in the construction of multi-storey buildings with individual space-planning and architectural solutions is relevant. In a market economy interest in the issue of rational use of resources, namely the cost of concrete and reinforcement in construction, has sharply increased, which is directly related to attracting investment. As it is known, when designing buildings from prefabricated monolithic reinforced concrete, in contrast to prefabricated concrete, there is greater freedom in adopting the space-planning parameters of the building, and there may also be simpler design solutions, in particular for floors. The constructive solution of floors depends on numerous requirements for the building as a whole and directly for the floor. One of the requirements that influences the attraction of investments is a small material-intensive floor covering with significant spans of buildings of various structural systems. The effective use of lightweight precast monolithic reinforced concrete floors with voids made of plastic balls in construction requires a comprehensive technical and economic analysis of this innovative solution for the precast monolithic reinforced concrete floor structure. The purpose of the article is to perform a technical and economic comparison of various design options for a flat lightweight prefabricated monolithic floor. The influence of floor parameters on the consumption of concrete and reinforcement is considered. Conclusion. As a result of the research, it was established that it is rational to use hollow balls made from recycled materials as a material for making voids from balls in flat floors. Moreover, all studied floor options with spans of 6 m, 7 m, 8 m and void sizes made of balls with diameters of 180 mm, 315 mm and 50 0mm meet the requirements of the first and second groups of limit states.
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