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膜结构造形大体是四种基本形状演变而来
来源:http://www.sdcscp.com/ 发布时间:2022-08-05
因为膜结构其特点可以把其设计成各种各样的形状特点。不过整体来说万变不离其宗,大多数是由脊谷式、鞍形、拱支式和伞形这四种基本形状演变而来的。下面山东膜结构厂家为您讲讲。
Because of the characteristics of membrane structure, it can be designed into a variety of shape characteristics. However, on the whole, all changes are inseparable from its religion. Most of them are evolved from four basic shapes: ridge Valley, saddle, arch support and umbrella. Next, Shandong membrane structure manufacturer will tell you.
脊谷式膜结构
Ridge Valley membrane structure
是在两高点之间布置相互平行的脊索、在两低点之间布置谷索,高低相间,曲面呈波浪形;脊索和谷索之间的膜面形成负高斯曲率曲面。当结构跨度较大或荷载较大时,还可在脊索和谷索之间适当布置一些横向的加强索。脊谷式膜结构的结构平面多呈矩形。
It is to arrange parallel ridge cables between the two high points and valley cables between the two low points, with high and low alternating and wavy surface; The membrane surface between the notochord and the valley cord forms a negative Gaussian curvature surface. When the structural span is large or the load is large, some transverse reinforcing cables can also be appropriately arranged between the spine cable and the valley cable. The structural plane of ridge Valley membrane structure is generally rectangular.
山东膜结构
鞍形曲面
Saddle surface
由四个不共面的角点和连接角点的边缘构件围合而成,是典型的互反曲面形式,在这四个角点中,通常有两个对角点为高点,另两个为低点。鞍形膜结构的边缘构件可以是混凝土梁或空间钢桁架,即形成所谓的刚性边界;
It is surrounded by four non coplanar corners and edge components connecting the corners. It is a typical form of reciprocal surface. In these four corners, two diagonal points are usually high points and the other two are low points. The edge member of saddle membrane structure can be concrete beam or space steel truss, which forms the so-called rigid boundary;
也可以采用边索,通过对其施加较大的预张力形成柔性边界。由于柔性边界可以较好地适应膜面的变形,避免膜面在安装和受荷过程中出现褶皱,因而较为常用。鞍形膜结构的适用跨度较小,一般多用于膜结构小品中。
Side cables can also be used to form flexible boundaries by applying large pretensions to them. Because the flexible boundary can better adapt to the deformation of the membrane surface and avoid the wrinkles of the membrane surface in the process of installation and loading, it is more commonly used. Saddle shaped membrane structure has a small applicable span and is generally used in membrane structure sketches.
拱支式膜结构
Arch supported membrane structure
以拱为膜材提供连续的支承点,结构平面多为圆形或近似椭圆形。当跨度较大时,常在中间拱与下部边缘构件之间布置正交索网。拱支式膜结构多用于封闭式建筑中。
The arch is used as the membrane material to provide continuous support points, and the structural plane is mostly circular or approximately elliptical. When the span is large, orthogonal cable nets are often arranged between the middle arch and the lower edge members. Arch supported membrane structures are often used in closed buildings.
伞形膜结构
Umbrella membrane structure
是常见的张拉膜结构形式之一。这种结构形式的特点在于,膜单元的周边相对位置较低,多固定在刚性边梁或柔性边索上;在膜单元的中部设有一个或多个高点,多通过独立柱、飞柱或悬挂环的支承来实现;
It is one of the common tensile membrane structures. The characteristic of this structure is that the relative position of the periphery of the membrane element is low, and it is mostly fixed on the rigid side beam or flexible side cable; One or more high points are arranged in the middle of the membrane unit, which are mostly supported by independent columns, flying columns or suspension rings;
整个膜面呈锥形。为了避免在高点附近的膜材内部应力过大,当膜单元跨度较大时,可在高点和边界支承点之间设置脊索,以改变结构内部的传力路径,避免膜材出现应力集中。伞形曲面还可以倒置应用于工程中。
The whole film surface is conical. In order to avoid excessive internal stress of the membrane material near the high point, when the span of the membrane unit is large, the backbone can be set between the high point and the boundary support point to change the force transmission path inside the structure and avoid stress concentration of the membrane material. Umbrella surface can also be inverted and applied in engineering.
膜结构造形大体是四种基本形状演变而来的相关解答就是这样了,您对此应该有所了解了,当然您需要安装膜结构有关建筑的话就来网站联系我们吧,为您提醒膜结构车棚、膜结构体育馆、膜结构景观等的建设与维护。更多事项就来我们网站http://www.sdcscp.com咨询吧。
The membrane structure shape is generally evolved from four basic shapes. You should know about this. Of course, if you need to install membrane structures, please contact us on the website to remind you of the construction and maintenance of membrane structure sheds, membrane structure gymnasiums and membrane structure landscapes. Come to our website for more information http://www.sdcscp.com Consult.
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