CN114351929A - Suspended dome structure and construction method thereof - Google Patents
Suspended dome structure and construction method thereof Download PDFInfo
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- CN114351929A CN114351929A CN202210142579.XA CN202210142579A CN114351929A CN 114351929 A CN114351929 A CN 114351929A CN 202210142579 A CN202210142579 A CN 202210142579A CN 114351929 A CN114351929 A CN 114351929A
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Abstract
The invention provides a suspended dome structure and a construction method thereof, wherein the suspended dome structure comprises a plurality of pillars, a plurality of radial beams, an outer edge sealing beam, an inner edge sealing beam, a first ring beam, a second ring beam, a first ring cable, a second ring cable, a plurality of first support rods and a plurality of second support rods; meanwhile, the problem that the node of the circular cable at the corner of the rectangle is difficult to process is solved by designing the circular cable into an oval shape, and the problems that the radius of the circular cable at the middle of the rectangle is large, the prestress needs to be increased and the cross section of the circular cable needs to be increased are also solved, so that the suspended dome structure is more suitable for the rectangular boundary of a professional football field, and the whole structure is reasonable in stress and good in economical efficiency. In the construction method of the suspended dome structure, the edge sealing beam is installed after the prestress tensioning is finished, so that the condition that the edge sealing beam bears pressure and generates large unfavorable bending moment during the prestress tensioning is avoided.
Description
Technical Field
The invention relates to the technical field of building structure design, in particular to a suspended dome structure and a construction method thereof.
Background
Synthesize the stadium, the center of a field includes rectangle football place, annular runway and other track and field project places, and the stand plane is mostly oval, and building modeling uses oval form as the basis more. The professional football field, the center of the field is the rectangle football field, no track and field project field, the stand plane is mostly the rectangle, and the building modeling uses the rectangle form as the basis mostly.
The large-opening suspended dome structure is suitable for roofs of comprehensive stadiums, and the planes of the ring cables and the ring beams are elliptical. When the large-opening suspended dome structure is used for a roof of a professional football field, if the planes of the ring cables and the ring beams are approximately rectangular, the following problems are caused: at the corner of the rectangle, the round corners of the ring cable are arranged, the radius is small, and the processing of the nodes of the ring cable is difficult; in the middle of the rectangle, the radius of the ring cable is large, and compared with a circular or elliptical ring cable, the ring cable needs larger prestress and ring cable section to achieve the same vertical rigidity; the approximately rectangular ring beam generates much larger unfavorable bending moment under the prestress of the radial beam compared with the circular or elliptical ring beam.
Disclosure of Invention
The invention aims to provide a suspended dome structure and a construction method thereof, which solve the problem that the joint of a circular cable at a corner of a rectangle is difficult to process, solve the problems that the radius of the circular cable at the middle of the rectangle is large and the prestress and the cross section of the circular cable need to be increased, and avoid that a sealing edge beam bears pressure and generates large unfavorable bending moment when the prestress is tensioned.
In order to achieve the above object, the present invention provides a suspended dome structure comprising:
the strut assembly comprises a plurality of struts, wherein the struts are distributed along the circumferential direction of a rounded rectangle and form a rectangular boundary;
the radial assembly comprises a plurality of radial beams, one ends of the radial beams are arranged on the support columns, the other ends of the radial beams extend towards the center of the rectangular boundary, and connecting lines of the other ends of all the radial beams form a rounded rectangle;
the edge sealing assembly comprises an outer edge sealing beam and an inner edge sealing beam, the outer edge sealing beam is arranged on a connecting node of the strut and the radial beam, and the inner edge sealing beam is positioned on the inner side of the outer edge sealing beam and is connected with the other end of the radial beam;
the annular assembly comprises a first annular beam, a second annular beam, a first annular cable and a second annular cable which are oval in shape, the first annular beam and the second annular beam are positioned between the outer edge sealing beam and the inner edge sealing beam and are arranged on the radial assembly, and the first annular cable and the second annular cable are respectively arranged below the first annular beam and the second annular beam;
the supporting rod component comprises a first supporting rod component and a second supporting rod component, the first supporting rod component comprises a plurality of first supporting rods distributed along the circumferential direction of the first ring beam, the top of each first supporting rod is connected with the first ring beam, the bottom of each first supporting rod is connected with the first ring cable, the second supporting rod component comprises a plurality of second supporting rods distributed along the circumferential direction of the second ring beam, the top of each second supporting rod is connected with the second ring beam, and the bottom of each second supporting rod is connected with the second ring cable.
Optionally, the suspended dome structure further includes a plurality of inter-column supports, where the inter-column supports include two first cross supports that are fixed between two adjacent columns in a cross manner.
Optionally, the inter-column supports are located in the middle of the rectangular boundary, two long sides of the rectangular boundary are provided with one group of inter-column supports, and two short sides are provided with two groups of inter-column supports.
Optionally, the number of the radial beams is the same as that of the pillars, and the radial beams and the pillars correspond to each other one by one.
Optionally, the suspended dome structure further includes a plurality of inter-beam supports, where the inter-beam supports include two cross-support groups arranged in a radial direction, and each cross-support group includes two second cross-supports fixed between two adjacent radial beams in a cross-like manner.
Optionally, the inter-beam supports are located in the middle of the rectangular boundary, two long edges of the rectangular boundary are respectively provided with one group of inter-beam supports, and two short edges of the rectangular boundary are respectively provided with two groups of inter-beam supports.
Optionally, the first brace rod is located below a connection node of the first ring beam and the radial beam.
Optionally, the second stay bar is located below a connection node of the second ring beam and the radial beam.
Optionally, the suspended dome structure further includes a plurality of first oblique cables and a plurality of second oblique cables, two ends of the first oblique cables are respectively connected to the top of the pillar and the connecting node between the first brace and the first hoop cable, and two ends of the second oblique cables are respectively connected to the top of the first brace and the connecting node between the second brace and the second hoop cable.
Based on the above, the invention also provides a construction method of the suspended dome structure, which comprises the following steps:
mounting the struts, so that all the struts of the strut assembly are distributed along the circumferential direction of a rounded rectangle and form a rectangular boundary;
mounting a radial assembly such that one end of a radial beam of the radial assembly is disposed on the strut and the other end extends toward the center of the rectangular boundary;
installing a circumferential component on the radial component and installing a brace rod component below the circumferential component;
pre-stressed tensioning is carried out on the constructed structure;
after the prestress tensioning is finished, an outer edge sealing beam of the edge sealing assembly is installed on the strut, and then an inner edge sealing beam of the edge sealing assembly is installed at the other end of the radial beam.
The suspended dome structure and the construction method thereof provided by the invention have at least one of the following beneficial effects:
1) by designing the ring beam into an oval shape, all parts of the ring beam are stressed uniformly during prestress tensioning, and the generated unfavorable bending moment is small, so that the whole structure is more stable;
2) by designing the looped cable into an oval shape, the problem that the looped cable node at the corner of the rectangle is difficult to process is avoided, and the problems that the radius of the looped cable at the middle part of the rectangle is large, the prestress needs to be increased and the section of the looped cable needs to be increased are also avoided, so that the suspended dome structure is more suitable for the rectangular boundary of a professional football field;
3) the outer edge sealing beam and the inner edge sealing beam are installed after the prestress tensioning is finished, so that the condition that the edge sealing beam bears pressure and generates large unfavorable bending moment during prestress tensioning is avoided, and the steel consumption is saved. After the prestress tensioning is finished, the outer edge sealing beam and the inner edge sealing beam are installed to form an integral structure. The upper layer of the latticed shell structure and the lower layer of the cable system structure counteract the effect of the supporting column to form a self-balancing system, and compared with the latticed shell structure, the effect on the edge supporting structure is greatly reduced.
Drawings
It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the invention and do not constitute any limitation to the scope of the invention. Wherein:
FIG. 1 is a three-dimensional schematic view of a suspended dome structure provided by an embodiment of the present invention;
FIG. 2 is a top view of a suspended dome structure provided by an embodiment of the present invention;
FIG. 3 is a schematic view of the connection of a first skew cable and a second skew cable provided in accordance with an embodiment of the present invention;
wherein the reference numerals are:
1-a pillar; 2-a radial beam; 3-outer edge sealing beam; 4-inner edge sealing beam; 5-a first ring beam; 6-a second ring beam; 7-a first looped cable; 8-a second looped cable; 9-a first brace bar; 10-a second brace bar; 11-inter-column support; 12-beam-to-beam support; 13-a first oblique cable; 14-second oblique cable.
Detailed Description
To further clarify the objects, advantages and features of the present invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It is to be noted that the drawings are in greatly simplified form and are not to scale, but are merely intended to facilitate and clarify the explanation of the embodiments of the present invention. In addition, the structures shown in the drawings are often elements of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
As used in this application, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in a sense including "two or more" unless the content clearly dictates otherwise. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or at least two of the features.
FIG. 1 is a three-dimensional schematic view of a suspended dome structure provided by an embodiment of the present invention; FIG. 2 is a top view of a suspended dome structure provided by an embodiment of the present invention; fig. 3 is a schematic connection diagram of the first oblique cable and the second oblique cable according to the embodiment of the present invention.
Referring to fig. 1, the present embodiment provides a suspended dome structure, including:
the strut assembly comprises a plurality of struts 1, wherein the struts 1 are distributed along the circumferential direction of a rounded rectangle and form a rectangular boundary;
the radial assembly comprises a plurality of radial beams 2, one ends of the radial beams 2 are arranged on the support 1, the other ends of the radial beams extend towards the center of the rectangular boundary, and connecting lines of the other ends of all the radial beams 2 form a rounded rectangle;
the edge sealing assembly comprises an outer edge sealing beam 3 and an inner edge sealing beam 4, the outer edge sealing beam 3 is arranged on a connecting node of the strut 1 and the radial beam 2, and the inner edge sealing beam 4 is positioned on the inner side of the outer edge sealing beam 3 and is connected with the other end of the radial beam 2;
the annular assembly comprises a first annular beam 5, a second annular beam 6, a first annular cable 7 and a second annular cable 8 which are oval, the first annular beam 5 and the second annular beam 6 are positioned between the outer edge sealing beam 3 and the inner edge sealing beam 4 and are arranged on the radial assembly, and the first annular cable 7 and the second annular cable 8 are respectively arranged below the first annular beam 5 and the second annular beam 6;
the stay bar component comprises a first stay bar component and a second stay bar component, wherein the first stay bar component comprises a plurality of edges, a first stay bar 9 is distributed in the circumferential direction of the first ring beam 5, the top of the first stay bar 9 is connected with the first ring beam 5, the bottom of the first stay bar component is connected with the first ring cable 7, the second stay bar component comprises a plurality of edges, a second stay bar 10 is distributed in the circumferential direction of the second ring beam 6, the top of the second stay bar 10 is connected with the second ring beam 6, and the bottom of the second stay bar component is connected with the second ring cable 8.
By designing the ring beam into an oval shape, all parts of the ring beam are stressed uniformly during prestress tensioning, and the generated unfavorable bending moment is small, so that the whole structure is more stable; meanwhile, the problem that the node of the circular cable at the corner of the rectangle is difficult to process is solved by designing the circular cable into an oval shape, and the problems that the radius of the circular cable at the middle of the rectangle is large, the prestress needs to be increased and the cross section of the circular cable needs to be increased are also solved, so that the suspended dome structure is more suitable for the rectangular boundary of a professional football field.
Specifically, in this embodiment, the pillar assembly is a foundation support of an integral suspended dome structure, and the subsequent installation of various structures all uses the pillar 1 as a supporting point. The support column assembly comprises a plurality of support columns 1, wherein the support columns 1 are distributed along the circumferential direction of a rounded rectangle and form a rectangular boundary. In this embodiment, the circumference evenly distributed of fillet rectangle is followed to pillar 1, this application is right the interval between the quantity of pillar 1 and two adjacent pillars 1 does not make any restriction, can adjust according to actual demand.
Preferably, the suspended dome structure further comprises a plurality of inter-column supports 11, and the inter-column supports 11 comprise two first cross supports fixed between two adjacent columns 1 in a cross manner. The inter-column support 11 can prevent the column structure from being damaged, and the inter-column support has a coherent effect to break down the whole column structure, and mainly plays a role in stabilizing the whole column structure. In this embodiment, the inter-column supports 11 have six groups, the inter-column supports 11 are located in the middle of the rectangular boundary, two long sides of the rectangular boundary have one group of inter-column supports 11, and two short sides have two groups of inter-column supports 11. It should be understood that the present application is not limited to the number and distribution of the intercolumn supports 11, and the actual intercolumn supports 11 may be freely arranged according to wind and earthquake resistance needs.
With reference to fig. 1, one end of each radial beam 2 is connected to the top end of the corresponding strut 1, and the other end extends toward the center of the rectangular boundary, in this embodiment, the radial beams 2 are the same in number and correspond to the struts 1 one to one, the radial beams 2 are inclined upward, the lengths of the radial beams 2 are different, the lengths of the radial beams 2 connected to the four corners of the rectangular boundary are longer than the length of the radial beam 2 connected to the middle of the rectangular boundary, and the connecting lines of the other ends of all the radial beams 2 form a rounded rectangle similar to the rectangular boundary and are connected and sealed by inner edge sealing beams 4.
Preferably, referring to fig. 2, the suspended dome structure further includes a plurality of inter-beam supports 12, where the inter-beam supports 12 include two cross-support groups arranged in a radial direction, and each cross-support group includes two second cross-supports fixed between two adjacent radial beams 2 in a cross-shape. The inter-beam supports 12 function similarly to the inter-column supports 11, mainly to stabilize the overall radial beam 2 structure.
In this embodiment, there are six groups of inter-beam supports 12, the inter-beam supports 12 are located in the middle of the rectangular boundary, two long sides of the rectangular boundary have one group of inter-beam supports 12, two short sides have two groups of inter-beam supports 12, and the positions of the inter-beam supports 12 correspond to the positions of the inter-column supports 11. In the same way, the application does not limit the number and distribution of the inter-beam supports 12, and the actual inter-beam supports 12 can be freely arranged according to the wind resistance and earthquake resistance requirements.
In this embodiment, the first ring beam 5 and the second ring beam 6 are installed on the radial beam 2, the first ring beam 5 and the second ring beam 6 are both disposed in an elliptical shape, and the elliptical ring beams are stressed uniformly at all places during prestress tension, so that the generated unfavorable bending moment is small, the unfavorable bending moment is small, and the structure is more stable. The first ring beam 5 and the second ring beam 6 are located at different positions, and the first ring beam 5 is located outside the second ring beam 6, and it can also be understood that the first ring beam 5 is closer to the pillar 1 than the second ring beam 6, so the first ring beam 5 has a larger specification than the second ring beam 6.
In this embodiment, the first looped cable 7 and the second looped cable 8 are respectively disposed below the first looped beam 5 and the second looped beam 6, the first looped cable 7 and the second looped cable 8 are both disposed in an elliptical shape, can avoid a series of problems caused by the rectangular ring cable, the radius of the corner ring cable is smaller because the rectangular ring cable is subjected to rounding treatment at the corner, the inclined cable is difficult to be connected with the ring cable at the corner node, in the middle of the rectangular ring cable, the radius of the ring cable is large, the prestress and the ring cable section need to be increased to achieve the expected effect, this places higher demands on the struts and cables, and also on the superstructure, the elliptical ring cable can avoid the problems, has no corner problem, has uniform radius at each position, and can achieve the required vertical rigidity by using smaller prestress.
With reference to fig. 1, the brace assembly includes a first brace 9 member and a second brace 10 member, the first brace 9 member includes a plurality of first braces 9 distributed along the circumferential direction of the first ring beam 5, the top of the first brace 9 is connected to the first ring beam 5, the bottom of the first brace is connected to the first ring cable 7, the second brace 10 member includes a plurality of second braces 10 distributed along the circumferential direction of the second ring beam 6, the top of the second brace 10 is connected to the second ring beam 6, and the bottom of the second brace 10 is connected to the second ring cable 8. The vertical rigidity of the stay bar in the vertical direction is large, when the prestress is tensioned, the stay bar mainly receives the force in the vertical direction, and after tensioning is completed, the stress in the vertical direction can be generated to support an upper beam structure and provide large vertical rigidity for the whole structure.
Preferably, the first brace 9 is located below the connection node of the first ring beam 5 and the radial beam 2.
Preferably, the second stay 10 is located below the connection node of the second ring beam 6 and the radial beam 2.
With reference to fig. 1 and fig. 3, the suspended dome structure further includes a plurality of first oblique cables 13 and a plurality of second oblique cables 14, two ends of the first oblique cables 13 are respectively connected to the top of the pillar 1 and the connection node between the first brace 9 and the first hoop cable 7, and two ends of the second oblique cables 14 are respectively connected to the top of the first brace 9 and the connection node between the second brace 10 and the second hoop cable 8. And stretching the inclined cable during prestress stretching, wherein the stretching degree of the inclined cable is designed according to requirements.
In this embodiment, the edge sealing assembly is used for sealing an integral structure, the outer edge sealing beam 3 is installed at a connection node between the radial beam 2 and the pillar 1, the inner edge sealing beam 4 is installed at the other end of the radial beam 2, that is, at an end far away from the pillar, and the outer edge sealing beam 3, the inner edge sealing beam 4, the radial beam 2, the first ring beam 5 and the second ring beam 6 form an upper-layer reticulated shell structure.
Preferably, the edge sealing assembly is installed after pre-stress tensioning is performed on the constructed structure. When carrying out the prestressing force tensioning to string dome structure, can exert pressure to the boundary, if carry out the prestressing force tensioning again after the banding subassembly is installed, in the tensioning process, the banding roof beam can receive the extrusion, produces great unfavorable moment of flexure, leads to the banding roof beam to warp. Therefore, the edge sealing assembly needs to be installed after prestress tensioning is carried out on a constructed structure, after the prestress tensioning is completed, the effect of the upper-layer latticed shell structure and the lower-layer cable system structure on the support column can be mutually offset to form a self-balancing system, horizontal effect self-balancing is formed under external load by utilizing the rigidity of the latticed shell and the vertical rigidity provided after prestress is applied to the supporting cable system, the effect on the edge supporting structure is greatly reduced, the edge sealing assembly cannot generate large adverse bending moment when being installed, and the steel consumption is saved.
In this embodiment, the outer edge sealing beam 3 and the inner edge sealing beam 4 are both in a rounded rectangle shape and are concentrically arranged, the length of the diagonal line of the outer edge sealing beam 3 is longer than that of the diagonal line of the inner edge sealing beam 4, and the radial beams 2 are distributed between the outer edge sealing beam 3 and the inner edge sealing beam 4.
Based on the above, with reference to fig. 1 to 3, the present invention further provides a construction method of the suspended dome structure, including the following steps:
s1, installing the struts 1, and enabling all the struts 1 of the strut assembly to be distributed along the circumferential direction of a rounded rectangle and form a rectangular boundary;
s2, mounting a radial assembly, wherein one end of a radial beam 2 of the radial assembly is arranged on the strut 1, and the other end of the radial beam extends towards the center of the rectangular boundary;
s3, installing a circumferential component on the radial component and installing a brace rod component below the circumferential component;
s4, pre-stressed tensioning is conducted on the constructed structure;
and S5, after the prestress tensioning is finished, installing an outer edge sealing beam 3 of an edge sealing assembly on the strut 1, and then installing an inner edge sealing beam 4 of the edge sealing assembly on the other end of the radial beam 2.
In this embodiment, after the step S1 is completed, before the step S2 is performed, the construction method further includes:
an inter-column support 11 is installed between two adjacent columns 1 at a predetermined position to stabilize the overall column structure.
After the step S2 is performed, before the step S3 is performed, the construction method further includes:
and an inter-beam support 12 is installed between two adjacent radial beams 2 at a preset position so as to stabilize the whole radial beam 2 structure.
In step S3, first, a first ring beam 5 and a second ring beam 6 are mounted on the radial beam 2, and then, a first oblique cable 13, a second oblique cable 14, a first ring cable 7, a second ring cable 8, a first stay 9 and a second stay 10 are mounted, both ends of the first oblique cable 13 are respectively connected to the top of the strut 1 and the connecting node between the first stay 9 and the first ring cable 7, and both ends of the second oblique cable 14 are respectively connected to the top of the first stay 9 and the connecting node between the second stay 10 and the second ring cable 8.
And then, carrying out prestress tensioning on the constructed structure, wherein the first ring beam 5 is compressed under prestress, the second ring beam 6 is tensioned under prestress, the stretching degree of the oblique cable is designed according to requirements, after the prestress tensioning is finished, the outer edge sealing beam 3 of the edge sealing assembly is installed on the strut 1, and then the inner edge sealing beam 4 of the edge sealing assembly is installed at the other end of the radial beam 2.
To sum up, the embodiment of the invention provides a suspended dome structure, and the ring beam is designed to be elliptical, so that when the prestress is tensioned, all parts of the ring beam are stressed uniformly, the generated unfavorable bending moment is small, and the whole structure is more stable; meanwhile, the problem that the node of the circular cable at the corner of the rectangle is difficult to process is solved by designing the circular cable into an oval shape, and the problems that the radius of the circular cable at the middle of the rectangle is large, the prestress needs to be increased and the cross section of the circular cable needs to be increased are also solved, so that the suspended dome structure is more suitable for the rectangular boundary of a professional football field, and the whole structure is reasonable in stress and good in economical efficiency. Based on the above, the embodiment of the invention also provides a construction method of the suspended dome structure, and the outer edge sealing beam and the inner edge sealing beam are installed after the prestress tensioning is completed, so that the condition that the edge sealing beam bears pressure and generates large unfavorable bending moment during the prestress tensioning is avoided.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A suspended dome structure, comprising:
the strut assembly comprises a plurality of struts, wherein the struts are distributed along the circumferential direction of a rounded rectangle and form a rectangular boundary;
the radial assembly comprises a plurality of radial beams, one ends of the radial beams are arranged on the support columns, the other ends of the radial beams extend towards the center of the rectangular boundary, and connecting lines of the other ends of all the radial beams form a rounded rectangle;
the edge sealing assembly comprises an outer edge sealing beam and an inner edge sealing beam, the outer edge sealing beam is arranged on a connecting node of the strut and the radial beam, and the inner edge sealing beam is positioned on the inner side of the outer edge sealing beam and is connected with the other end of the radial beam;
the annular assembly comprises a first annular beam, a second annular beam, a first annular cable and a second annular cable which are oval in shape, the first annular beam and the second annular beam are positioned between the outer edge sealing beam and the inner edge sealing beam and are arranged on the radial assembly, and the first annular cable and the second annular cable are respectively arranged below the first annular beam and the second annular beam;
the supporting rod component comprises a first supporting rod component and a second supporting rod component, the first supporting rod component comprises a plurality of first supporting rods distributed along the circumferential direction of the first ring beam, the top of each first supporting rod is connected with the first ring beam, the bottom of each first supporting rod is connected with the first ring cable, the second supporting rod component comprises a plurality of second supporting rods distributed along the circumferential direction of the second ring beam, the top of each second supporting rod is connected with the second ring beam, and the bottom of each second supporting rod is connected with the second ring cable.
2. The suspend-dome structure of claim 1, wherein the suspend-dome structure further comprises a plurality of inter-post supports, the inter-post supports comprising two first cross supports fixed in a cross between two adjacent posts.
3. The structure of claim 2, wherein said intercolumn supports are located in the middle of a rectangular boundary, and wherein one set of said intercolumn supports is located on each of the two long sides of said rectangular boundary and two sets of said intercolumn supports are located on each of the two short sides of said rectangular boundary.
4. The suspended dome structure of claim 1, wherein said radial beams are equal in number and correspond one-to-one to said struts.
5. The suspend-dome structure of claim 1, wherein the structure further comprises a plurality of inter-beam supports, the inter-beam supports comprising two cross-support groups radially disposed, each cross-support group comprising two second cross-supports secured in a cross-like manner between two adjacent radial beams.
6. The suspended dome structure of claim 5, wherein said inter-beam supports are located in the middle of a rectangular boundary, and wherein one set of said inter-beam supports is located on each of two long sides of said rectangular boundary and two sets of said inter-beam supports are located on each of two short sides of said rectangular boundary.
7. The suspend-dome structure of claim 1, wherein the first brace is located below a connection node of the first ring of beams to the radial beam.
8. The suspended dome structure of claim 1, wherein said second struts are located below the connection nodes of said second ring beam to said radial beams.
9. The structure of claim 1, further comprising a plurality of first guy wires connected at opposite ends thereof to the tops of said struts and to the joints of said first struts and said first hoop cables, and a plurality of second guy wires connected at opposite ends thereof to the tops of said first struts and to the joints of said second struts and said second hoop cables.
10. A method of constructing a suspended dome structure as claimed in any one of claims 1 to 9, comprising the steps of:
mounting the struts, so that all the struts of the strut assembly are distributed along the circumferential direction of a rounded rectangle and form a rectangular boundary;
mounting a radial assembly such that one end of a radial beam of the radial assembly is disposed on the strut and the other end extends toward the center of the rectangular boundary;
installing a circumferential component on the radial component and installing a brace rod component below the circumferential component;
pre-stressed tensioning is carried out on the constructed structure;
after the prestress tensioning is finished, an outer edge sealing beam of the edge sealing assembly is installed on the strut, and then an inner edge sealing beam of the edge sealing assembly is installed at the other end of the radial beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210142579.XA CN114351929A (en) | 2022-02-16 | 2022-02-16 | Suspended dome structure and construction method thereof |
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| CN202210142579.XA CN114351929A (en) | 2022-02-16 | 2022-02-16 | Suspended dome structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117966884A (en) * | 2024-03-22 | 2024-05-03 | 北京市建筑设计研究院股份有限公司 | Large-span space curved surface reticulated shell structure and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117966884A (en) * | 2024-03-22 | 2024-05-03 | 北京市建筑设计研究院股份有限公司 | Large-span space curved surface reticulated shell structure and construction method |
| CN117966884B (en) * | 2024-03-22 | 2024-07-26 | 北京市建筑设计研究院股份有限公司 | Large-span space curved surface reticulated shell structure and construction method |
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