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A tensegrity monolithic triangular prism structure and its form-finding method
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A technique of tensioning the whole and triangular prism, which is applied in the direction of building structure and construction, can solve the problem that the form-finding method is not suitable for use, and achieve the effect of simple structure and stable structure.
Active Publication Date: 2020-12-01
CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1
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Embodiment 1
[0041] see attached figure 1 , the embodiment of the present invention discloses a tensioned integral triangular prism structure, including: a pressure rod 1 and a tension rod 2;
[0042] The number of pressing rods 1 is 3; the three pressing rods 1 are staggered in three-dimensional space, and the end points form node A, node B and node C on the bottom surface, and node a, node b and node c on the top surface;
[0043]The number of tie rods 2 is 9; one end of the 3 tie rods 2 is connected with node A, node B and node C respectively, and the other end is aggregated and connected to form node D; one end of the other 3 tie rods 2 is connected with node a, node b and node D respectively. c is connected, and the other end is aggregated and connected to form node d; the two ends of the last three tie rods 2 are respectively connected to node a and node C, node b and node A, and node c and node B;
[0044] The 3 compression rods 1 and the 9 tie rods 2 form a total of 8 three-point ...
Embodiment 2
[0048] see attached figure 2 to the attached Image 6 , the embodiment of the present invention discloses a form-finding method for tensioning an integral triangular prism structure, comprising the following steps:
[0049] see attached figure 2 : Set node A, node B and node C in the plane, and connect to form triangle ABC; set node d above triangle ABC; in the plane parallel to triangle ABC, make a line segment dc parallel to AB through node d, Make a line segment da parallel to BC through node d, and make a line segment db parallel to AC through node d to obtain node a, node b and node c;
[0050] see attached image 3 : connect node a, node b and node c to form triangle abc;
[0051] see attached Figure 4 : In the plane of the triangle ABC, make a line segment AD parallel to bc through node A, and make a line segment BD parallel to ca through node B, connecting node D and node C;
[0052] see attached Figure 5 : Connecting node A and node c, connecting node B and...
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Abstract
The invention discloses a tensioning overall triangular prism structure and a form-finding method, and the structure comprises pressing rods and pull rods; the end points of the three pressing rods form a node A, a node B, and a node C at the bottom surface and a node a, a bode b, and a node c on the top surface; one ends of the three pull rods are correspondingly connected with the node A, the node B and the node C, and the other ends of the three pull rods are connected to form a node D in an aggregated mode; one ends of the other three pull rods are correspondingly connected with the node a, the node b and the node c, and the other ends of the other three pull rods are connected to form a node d in an aggregated mode; the two ends of the last three pull rods are correspondingly connected with the node a and the node C, the node b and the node A and the node c and the node B; and the three pressing rods and the nine pull rods jointly form eight nodes with every three node being intersected. According to the structure, a self-stress balance structure is formed, compared with a traditional tensioning overall structure, one rod piece is reduced for each node, so that the structure is more concise; and according to the form-finding method, finite element software calculation is avoided, and the method can be obtained by direct drawing with pen and paper.
Description
technical field [0001] The invention relates to the technical field of tensioned integral structures, in particular to tensioned integral triangular prism structures, and more particularly to a tensioned integral triangular prism structure and a shape-finding method. Background technique [0002] Tensegrity structures are self-stressed, self-balanced space articulated grid structures composed of a set of mutually independent compression elements intersecting with a set of continuous tension elements. The overall structure of tension is derived from the objective laws of continuous tension and intermittent compression in nature. Its concept was first proposed by Fuller in the 1960s. It has attracted widespread attention due to its beautiful appearance, light weight, and self-balancing of internal forces. Tensioned monolithic structures are used in large-span space structures, but so far there is no real tensioned monolithic architectural structure. [0003] There are at leas...
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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/342E04B1/19
CPCE04B1/19E04B1/342
Inventor 尚仁杰赵奕程寅志强杨潇
Owner CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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