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膜结构看台的外形设计技巧
来源:http://www.sdcscp.com/ 发布时间:2022-10-03
膜结构看台作为各种较大场地的遮阳功能建筑,以其多样的外形和良好的力学性能逐渐代替了传统形式看台,然而这种多样的外形离不开设计师的各种力学设计和优化,那么膜结构看台的外形设计技巧是怎样的?
As a sunshade building in a variety of large sites, the membrane structure grandstand gradually replaces the traditional form grandstand with its various shapes and good mechanical properties. However, this variety of shapes can not be separated from the various mechanical designs and optimizations of designers. What are the shape design skills of the membrane structure grandstand?
1、虽然膜结构可以形成大面积的覆盖空间,从方便膜面加工制作及安装的角度来看,大覆盖面积的膜结构应进行适当的分区,以减小单片膜面的面积。将膜面分区的另一个好处是万一以后发生膜材撕裂的情况,拆卸修补或更换的操作比较方便。
1. Although the membrane structure can form a large area of coverage space, from the perspective of facilitating the processing, manufacturing and installation of the membrane surface, the membrane structure with large coverage area should be properly partitioned to reduce the area of a single membrane surface. Another advantage of dividing the membrane surface is that in case of membrane tearing in the future, it is convenient to remove, repair or replace.
2、对于复杂曲面设计,其膜面是由简单的曲面组合而成的,对复杂造型的膜面进行分区时要考虑其曲面变化、排水安排及支撑结构体系等因素。
2. For complex surface design, the membrane surface is composed of simple surfaces. When dividing the membrane surface with complex shape, factors such as surface change, drainage arrangement and support structure system should be considered.
3、柔性边界膜结构的找形基准点,即膜角节点板的的位置所在,它与膜和支承结构的连接点位置及连接件的尺寸关系密切,应在查看有关图纸并经现场实际考察后,根据具体情况而定。
3. The form finding datum point of the flexible boundary membrane structure, i.e. the location of the membrane corner gusset plate, is closely related to the location of the connection point between the membrane and the supporting structure and the size of the connection piece. It should be determined according to the specific situation after reviewing the relevant drawings and on-site actual investigation.
膜结构看台
4、伞顶的位置影响到膜面的形状,帽圈的大小直接关系到伞顶处膜的应力大小和膜面焊接制作时的难易程度。为避免膜面应力在伞顶处过于集中,防止热合线过于密集,帽圈的尺寸不易过小。
4. The position of the umbrella top affects the shape of the membrane surface, and the size of the hat ring directly affects the stress of the membrane at the umbrella top and the difficulty of welding the membrane surface. In order to avoid the excessive concentration of membrane surface stress at the umbrella top, and prevent the heat sealing line from being too dense, the size of the hat collar is not easy to be too small.
5、与膜面相连接的索,如边索、加强索、脊谷索等的弧度不仅影响到膜面的形状与覆盖面积,对索的内力影响也非常明显,同时边索的弧度还影响到膜角点处膜布的宽度及节点板边线的夹角。工程应用上一般取边索弧形的矢跨比在1:10左右。
5. The radian of cables connected to the membrane surface, such as side cables, reinforcing cables and ridge valley cables, not only affects the shape and coverage area of the membrane surface, but also has a significant impact on the internal force of the cables. At the same time, the radian of the side cables also affects the width of the membrane cloth at the membrane corners and the included angle of the edge line of the gusset plate. In engineering application, the rise span ratio of side cable arc is generally about 1:10.
6、膜面的应力分布及大小,不仅影响着膜结构看台外观的找形,还关系到结构张成后的刚度,所以确定膜面应力时要考虑到所用膜材料的性能、张拉方法及实际张拉的难易程度。
6. The distribution and size of the membrane surface stress not only affect the shape finding of the membrane structure grandstand appearance, but also relate to the stiffness of the structure after tensioning. Therefore, when determining the membrane surface stress, the performance of the membrane materials used, the tensioning method and the actual tensioning difficulty should be considered.
膜结构看台的外形设计技巧相关内容就到这里了,您对此有什么问题就来我们网站http://www.sdcscp.com咨询吧!
This is all about the appearance design skills of the membrane structure stand. If you have any questions, please come to our website http://www.sdcscp.com Consult!
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