CN103334529A - Full-tension cable-strut roof structural system and construction method thereof - Google Patents
Full-tension cable-strut roof structural system and construction method thereof Download PDFInfo
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- CN103334529A CN103334529A CN201310237601XA CN201310237601A CN103334529A CN 103334529 A CN103334529 A CN 103334529A CN 201310237601X A CN201310237601X A CN 201310237601XA CN 201310237601 A CN201310237601 A CN 201310237601A CN 103334529 A CN103334529 A CN 103334529A
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Abstract
The invention provides a full-tension cable-strut roof structural system and a construction method thereof. The structure comprises a Levy-type cable dome and a ring-shaped tension entirety, wherein the ring-shaped tension entirety is connected to the edge of the Levy-type cable dome; each middle pressure lever and two outer pressure levers of each group of outer pressure levers are connected to the common pitch point; common cables are connected between the middle pressure levers and the outer pressure levers. The construction method comprises the steps of form finding, assembling and connecting of the common pitch points and the common cables. The structural system and the construction method have the advantages of high material utilization, low construction cost and the like.
Description
Technical field
The present invention relates to a kind of prestressed structure of building, be specifically related to a kind of full tension cord bar structural system of roof and building method thereof.
Background technology
The improving constantly of theoretical and structure design level along with architectural design, tension integral structure and cable dome structure have obtained people with the steel use amount of the building configuration of its flexible and changeable expressive force, slim and graceful innervation and economy and have more and more paid close attention to.Stretching integral is because complex structural designs, and construction is difficulty, does not have mature theory so far about the design and construction of annular stretching integral, so use less in field of civil engineering.Levy type rope dome has had some design and construction experiences at home and abroad, but Suo Qiong depends on the rigid boundary at most, becomes the roof of stadiums, and the Levy type rope dome under the flexible boundary condition does not also have case history.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of full tension cord bar structural system of roof and building method thereof of flexible boundary.
Technical scheme: for solving the problems of the technologies described above, a kind of full tension cord bar structural system of roof provided by the invention comprises: Levy type rope dome and annular stretching integral, and described annular stretching integral is connected in the edge of Levy type rope dome; Described Levy type rope dome comprises depression bar in 1 center depression bar, the interior depression bar of n root and the n root, and notochord, on radially rope, down radially rope, interior strop, middle strop, go up oblique cord and following oblique cord, wherein to be arranged in the center depression bar respectively be on two concentric circles in the center of circle for interior depression bar and middle depression bar, the two ends of described center depression bar and the top of interior depression bar are connected with notochord and last radially rope respectively, the two ends of depression bar and middle depression bar top are connected with notochord and following radially rope respectively in described, the bottom of depression bar is connected with interior strop in described, and the bottom of described middle depression bar is connected with middle strop; Described annular stretching integral comprises the outer depression bar of staggered n group, every group of outer depression bar comprises 4 outer depression bars that are linked in sequence, two outer depression bars in every middle depression bar and the every group of outer depression bar are connected to a common points, one end of the two ends of every middle depression bar and adjacent one group of outer depression bar is connected with oblique cord and following oblique cord respectively, be connected with stretching rope between the outer depression bar of adjacent set, wherein middle strop is the shared rope of Levy type rope dome and annular stretching integral with following oblique cord.
As preferably, for the ease of connecting common points when the construction, described common points is ball pivot, and described ball pivot comprises spherical heart portion and is articulated in three rotating connecting portions in the heart portion.
The building method of a kind of full tension cord bar structural system of roof provided by the invention may further comprise the steps:
1) topological relation that is connected with the rope bar of the quantity of clear and definite rope bar carries out the algorithm of annular stretching integral and looks for shape according to designing requirement;
2) based on the stretching integral unit of designing requirement and the inclination angle on ground, the external diameter of annular stretching integral and the parameters such as number of stretching integral are determined the final configuration of annular stretching integral;
3) based on step 2) in the final configuration of annular stretching integral, determine the configuration of Levy type rope dome;
4) in the erecting bed according to step 2), 3) configuration of determining finishes the assembling of annular stretching integral construction and rope dome respectively;
5) adopt the lift-up method dome of keeping vegetarian to be installed on the annular stretching integral, adopt ball pivot that common points is linked to each other, again rope of shared Suo Huancheng.
Beneficial effect: the present invention is combined Levy type rope dome together with annular stretching integral innovatively, and the beneficial effect that has is:
1) Levy type rope dome depends on the flexible boundary of annular stretching integral, and two kinds of structures form the structural system of self-balancing, has given full play to the advantage of two kinds of structural systems;
2) in conjunction with after system in all Suo Shoula, the bar pressurized has been saved steel to the full extent, light high-efficiency has been given full play to the intensity of material, has promoted the service efficiency of material;
3) all members of this structural system all are to be prefabricated in the factory earlier, have improved the reliability of member greatly.Field operation all is assembling construction and pre-stress construction, has farthest reduced the influence of work progress to environment, has reduced labour intensity and the difficulty of field worker, has shortened construction period, has also reduced construction cost simultaneously.
Description of drawings
Fig. 1 is the structural representation of Levy type rope dome;
Fig. 2 is the structural representation of annular stretching integral;
Fig. 3 is the structural representation of embodiments of the invention;
Fig. 4 is the coordinate diagram of trapezoidal conversion in the embodiment of the invention;
Among the figure: 1 center depression bar, depression bars in 2, depression bar in 3,4 notochords, rope radially on 5,6 times ropes radially, strops in 7, strop in 8, oblique cord on 9,10 times oblique cords, 11 outer depression bars, 12 ball pivots.
The specific embodiment
Embodiment: a kind of full tension cord bar structural system of roof of present embodiment is made up of Levy type rope dome and annular stretching integral as shown in Figure 3, and the outer depression bar 11 of annular stretching integral is connected in by ball pivot 12 on the middle depression bar 8 at edge of Levy type rope dome.
Levy type rope dome wherein as shown in Figure 1, comprise a center depression bar 1,12 interior depression bars 2 and 12 middle depression bars 3, and notochord 4, on rope 5 radially, following radially rope 6, interior strop 7, middle strop 8, last oblique cord 9 and following oblique cord 10, wherein to be arranged in center depression bar 1 respectively with middle depression bar 3 be on two concentric circles in the center of circle to interior depression bar 2, the two ends of center depression bar 1 and the top of interior depression bar are connected with notochord 4 and last radially rope 5 respectively, the two ends of interior depression bar 2 and middle depression bar 3 tops are connected with notochord 4 and following radially rope 6 respectively, the bottom of interior depression bar 2 is connected with interior strop 7, and the bottom of middle depression bar 3 is connected with middle strop 8.
Annular stretching integral wherein as shown in Figure 2, comprise staggered 12 groups of outer depression bars 11, every group of outer depression bar 11 comprises four outer depression bars 11 that are linked in sequence, two outer depression bars 11 in every middle depression bar 3 and the every group of outer depression bar 11 are connected on the ball pivot 12, one end of the two ends of every middle depression bar 3 and adjacent one group of outer depression bar 11 is connected with oblique cord 9 and following oblique cord 10 respectively, be connected with stretching rope between the outer depression bar 11 of adjacent set, wherein in strop 8 and the following oblique cord 10 shared rope that is Levy type rope dome and annular stretching integral.
A kind of full tension cord bar roof structure building method of present embodiment may further comprise the steps:
1) topological relation that is connected with the rope bar of the quantity of clear and definite rope bar carries out the algorithm of annular stretching integral and looks for shape according to designing requirement, namely in coordinate system as shown in Figure 4, utilizes following formula to determine the node coordinate of the trapezoidal conversion of annular stretching integral:
?
X in the formula, y, z are the local coordinate of rod node, A, E represents node serial number;
2) based on the stretching integral unit of designing requirement and the inclination angle on ground, the external diameter of annular stretching integral and the parameters such as number of stretching integral are determined the final configuration of annular stretching integral;
3) based on step 2) in the final configuration of annular stretching integral, determine the configuration of Levy type rope dome;
4) in the erecting bed according to step 2), 3) configuration of determining finishes the assembling of annular stretching integral construction and rope dome respectively;
5) adopt the lift-up method dome of keeping vegetarian to be installed on the annular stretching integral, adopt ball pivot that common points is linked to each other, again rope of shared Suo Huancheng.
Claims (3)
1. full tension cord bar structural system of roof is characterized in that comprising: Levy type rope dome and annular stretching integral, and described annular stretching integral is connected in the edge of Levy type rope dome; Described Levy type rope dome comprises depression bar in 1 center depression bar, the interior depression bar of n root and the n root, and notochord, on radially rope, down radially rope, interior strop, middle strop, go up oblique cord and following oblique cord, wherein to be arranged in the center depression bar respectively be on two concentric circles in the center of circle for interior depression bar and middle depression bar, the two ends of described center depression bar and the top of interior depression bar are connected with notochord and last radially rope respectively, the two ends of depression bar and middle depression bar top are connected with notochord and following radially rope respectively in described, the bottom of depression bar is connected with interior strop in described, and the bottom of described middle depression bar is connected with middle strop; Described annular stretching integral comprises the outer depression bar of staggered n group, every group of outer depression bar comprises 4 outer depression bars that are linked in sequence, two outer depression bars in every middle depression bar and the every group of outer depression bar are connected to a common points, one end of the two ends of every middle depression bar and adjacent one group of outer depression bar is connected with oblique cord and following oblique cord respectively, be connected with stretching rope between the outer depression bar of adjacent set, wherein middle strop is the shared rope of Levy type rope dome and annular stretching integral with following oblique cord.
2. a kind of full tension cord bar structural system of roof according to claim 1, it is characterized in that: described common points is ball pivot, described ball pivot comprises spherical heart portion and is articulated in three rotating connecting portions in the heart portion.
3. the building method of a full tension cord bar structural system of roof is characterized in that may further comprise the steps:
1) topological relation that is connected with the rope bar of the quantity of clear and definite rope bar carries out the algorithm of annular stretching integral and looks for shape according to designing requirement;
2) based on the stretching integral unit of designing requirement and the inclination angle on ground, the external diameter of annular stretching integral and the parameters such as number of stretching integral are determined the final configuration of annular stretching integral;
3) based on step 2) in the final configuration of annular stretching integral, determine the configuration of Levy type rope dome;
4) in the erecting bed according to step 2), 3) configuration of determining finishes the assembling of annular stretching integral construction and rope dome respectively;
5) adopt the lift-up method dome of keeping vegetarian to be installed on the annular stretching integral, adopt ball pivot that common points is linked to each other, again rope of shared Suo Huancheng.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507477A (en) * | 2016-01-19 | 2016-04-20 | 北京工业大学 | Rotary intersection cable system supporting dome structure |
| CN106522368A (en) * | 2016-10-12 | 2017-03-22 | 浙江大学 | Annular stretch-draw integrated structure |
| CN108256251A (en) * | 2018-01-26 | 2018-07-06 | 东南大学 | A kind of symmetrical cable-rod structure of height for considering datum mark mechanical balance looks for shape method |
| CN109826355A (en) * | 2019-01-17 | 2019-05-31 | 上海海事大学 | It is a kind of to rotate imitative S-shaped curved surface Cable dome |
| CN110130498A (en) * | 2019-04-23 | 2019-08-16 | 中冶建筑研究总院有限公司 | A kind of ring-type tension integral structure |
| CN114575461A (en) * | 2022-03-16 | 2022-06-03 | 中山大学 | Nested annular tensioning integral structure spliced in modularization mode |
| CN114673354A (en) * | 2022-04-19 | 2022-06-28 | 中建八局总承包建设有限公司 | Construction method of complex curved surface concrete thin shell structure adopting cable mesh fabric template |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110792173B (en) * | 2019-10-28 | 2020-12-01 | 中冶建筑研究总院有限公司 | Tensioning integral triangular prism structure and shape finding method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507477A (en) * | 2016-01-19 | 2016-04-20 | 北京工业大学 | Rotary intersection cable system supporting dome structure |
| CN106522368A (en) * | 2016-10-12 | 2017-03-22 | 浙江大学 | Annular stretch-draw integrated structure |
| CN106522368B (en) * | 2016-10-12 | 2018-10-26 | 浙江大学 | Circular ring shape tension integral structure |
| CN108256251A (en) * | 2018-01-26 | 2018-07-06 | 东南大学 | A kind of symmetrical cable-rod structure of height for considering datum mark mechanical balance looks for shape method |
| CN108256251B (en) * | 2018-01-26 | 2021-02-09 | 东南大学 | High-symmetry cable-strut structure shape finding method considering mechanical balance of datum points |
| CN109826355A (en) * | 2019-01-17 | 2019-05-31 | 上海海事大学 | It is a kind of to rotate imitative S-shaped curved surface Cable dome |
| CN109826355B (en) * | 2019-01-17 | 2023-10-31 | 上海海事大学 | Rotary S-shaped curved cable dome |
| CN110130498A (en) * | 2019-04-23 | 2019-08-16 | 中冶建筑研究总院有限公司 | A kind of ring-type tension integral structure |
| CN114575461A (en) * | 2022-03-16 | 2022-06-03 | 中山大学 | Nested annular tensioning integral structure spliced in modularization mode |
| CN114673354A (en) * | 2022-04-19 | 2022-06-28 | 中建八局总承包建设有限公司 | Construction method of complex curved surface concrete thin shell structure adopting cable mesh fabric template |
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Application publication date: 20131002 Assignee: NANJING YANGTZE RIVER URBAN AGCHITECTURAL DESIGN Co.,Ltd. Assignor: SOUTHEAST University Contract record no.: X2020980010488 Denomination of invention: A full tension cable strut roof structure system and its construction method Granted publication date: 20150701 License type: Common License Record date: 20201230 |
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