CN106836497A - A kind of pair of rope separate type truss string structure and its construction method - Google Patents
A kind of pair of rope separate type truss string structure and its construction method Download PDFInfo
- Publication number
- CN106836497A CN106836497A CN201611194804.5A CN201611194804A CN106836497A CN 106836497 A CN106836497 A CN 106836497A CN 201611194804 A CN201611194804 A CN 201611194804A CN 106836497 A CN106836497 A CN 106836497A
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- lower edge
- rope
- separate type
- string structure
- pair
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
Abstract
The invention belongs to technical field of structural engineering, specifically related to a kind of pair rope separate type truss string structure and its construction method, described pair of rope separate type truss string structure is installed on some supporting construction column tops, including two top booms and two lower edge drag-lines that are installed on supporting construction post, adjacent two top boom and two lower edge drag-lines are connected by some upper transverse support bars and lower transverse support bar respectively；Construction method：According to building and structure design, factory carries out the processing and fabricating and drag-line of truss member, the buying of reinforcing pull rod；Secondly, job site completes the assembly of truss string structure, and design load is stretched to drag-line and reinforcing pull rod, completes prestressed foundation；Finally, integral hoisting is in place, and bearing is fixed.The new pair of rope separate type truss string structure and its construction method that the present invention is provided have the advantages that new in structure, form are graceful, resistance to overturning is superior, structural coordination performance is good, easy construction.
Description
Technical field
The invention belongs to technical field of structural engineering, and in particular to a kind of pair of rope separate type truss string structure and its construction party
Method.
Background technology
Progress, scientific and technological development and economy, the raising of educational level with society, people carry to large-span space structure
Requirement higher is gone out.The building structure of current medium and small span can not only meet the functional requirement of public building large space,
The esthetic requirement that people increasingly improve can not be met, this require the new structure type of exploitation with meet building function and
Aesthetic requirement.
Beam-string structure is a kind of current widely used space structure system, and it is mainly characterized by being connected with strut
Portion's rigidity minor structure（Or component）With lower flexible steel cable, certain prestressing force is applied by rope, mitigate rigid structure（Or
Component）Burden, self equilibrium systemses are integrally formed.At present unidirectional beam string and Bidirectional String Structure beam are broadly divided into using more.
But there is the shortcomings of power transmission efficiency is low, lateral stability is difficult to ensure that in unidirectional tension string beam structure；And bi-directional beam string structure is logical
Frequently with orthogonal stiff pattern, and overall performance is poor, difficulty of construction is big.
The content of the invention
It is an object of the invention to provide a kind of pair of rope separate type truss string structure and its construction method, to solve existing Zhang Xian
Need to consider strut stabilization, Outside-plate stabilizing performance and low construction efficiency, the stiff problem of profile at the scene in truss structure.
To achieve the above object, the technical scheme of the specific offer of the present invention is：A kind of pair of rope separate type truss string structure, it is described
Double rope separate type truss string structures are installed on some supporting construction column tops, including be installed on two top booms on supporting construction post and
Two lower edge drag-lines, adjacent two top boom is connected by some upper transverse support bars；Adjacent two lower edge drag-lines are by under some
Transverse support bar is connected；Wherein, connected by some vertical struts between upper transverse support bar and lower transverse support bar, it is adjacent perpendicular
Connected by diagonal web member to strut；Some lower transverse support bars are connected by two lower edge drag-lines, and the two of each lower edge drag-line
Supporting construction capital end is fixed at end.
Further, the two ends of the top boom are installed on supporting construction column top by cast steel hinged support, and described two wind up
Bar is two pipes of arc, and the end of pipe is connected to the cast steel hinged support by bearing pin.
Further, the top boom outer peripheral face is provided with some hoop type nodes, and hoop type node is made up of two panels, passes through
Weld seam is fixed on top boom outer peripheral face, the upper transverse support bar by be fixedly welded on the two hoop type nodes being correspondingly arranged it
Between.
Further, described that the cord clip with otic placode is provided with per transverse support bar two ends once, the vertical strut upper end leads to
Cross bearing pin and be connected to hoop type node bottom, lower end is connected at cord clip otic placode by bearing pin；The diagonal web member is high using intersecting
Strong reinforcing pull rod, top and bottom are connected at hoop type node and cord clip otic placode by bearing pin respectively.
Further, the lower edge drag-line uses high-strength drag-line, on the end otic placode that two ends are fixed on by anchorage, described two
Bar lower edge drag-line passes through multiple cord clips, and in the junction of span centre position.
Further, the cord clip is made up of upper cord clip and lower cover, by the Bolt of lower cover bottom by lower edge drag-line
In the rope hole being fixed in the middle of cord clip.
Further, the lower edge drag-line uses vanadium rope high, and two lower edge drag-lines are in spatially two-way hyperbolic form.
A kind of pair of construction method of rope separate type truss string structure, comprises the following steps：
（1）Assembled moulding bed is set near the ground, the pipe for first completing factory process presses the assembled shaping of required physical dimension,
Then hoop type node is fixed by welding in the position of pipe setting, finally by cross struts by being welded to connect in cuff
Between formula node, bar assembly of winding up is obtained；
（2）Cast steel hinged support is connected on the otic placode on the downside of pipe end by bearing pin；
（3）Cord clip is fixed temporarily, the angle of each otic placode of cord clip is adjusted according to design drawing, vertical strut is then passed through into pin
Axle is fixed between hoop type node and cord clip；
（4）Diagonal web member is individually fixed in hoop type node and cord clip by the bearing pin at two ends, the steel of multiple right-angled intersections is obtained
Pull bar group；
（5）Removal cord clip lower cover, two lower edge drag-lines are each passed through multiple cord clips, are fixed on by the anchorage and bearing pin of end
On the otic placode of pipe end, then, lower edge drag-line is fixed in the middle of cord clip rope by the Bolt of cord clip lower cover bottom
In hole；
（6）Using tensioning equipment, then two lower edge cable tensions are conducted batch-wise to pre-stress design value to diagonal web member first
Tensioning, sets up structural initial pre stress in the structure；
（7）Using hanging device, the truss string structure integral hoisting to Tension Forming state；After lifting is in place, by cast steel hinged support
Lower shoe is fixed on lower support column top by weld seam, completes the assembling of double rope separate type truss string structures.
Beneficial effects of the present invention：
（1）Form of the present invention is graceful, and lower edge uses two high-strength steel cables, and space is in hyperbolic form, and is handed at nearly span centre
Converge, broken conventional beam-string structure lower edge using single steel cable, and Bidirectional String Structure lower edge steel in beam string spacial structure
Suo Caiyong orthogonal stiff pattern；
（2）Compared with conventional truss-string-structure, in the plane of structure, Out-of-plane Stability and rigidity is obtained for the present invention
Increase substantially, with bigger span ability；
（3）On the one hand intersection reinforcing pull rod in the present invention increased the aesthetic property of building, on the other hand be the cross support of variation,
Increased the rigidity in structural system plane；
（4）The present invention be self equilibrium systemses, truss produce horizontal thrust mainly undertaken by lower edge drag-line, boundary constraint mainly with
Based on vertical force.Therefore its boundary constraint requirement is low, Bearing Seat Force clearly, is easily designed and made.
Brief description of the drawings
The shaft side figure of Fig. 1 double rope separate type truss string structures for the present invention is provided；Fig. 2 double rope separate types for the present invention is provided
The top view of string truss；The front view of Fig. 3 double rope separate type truss string structures for the present invention is provided；Fig. 4 is that top boom installs signal
Figure；Fig. 5 is vertical strut and diagonal web member scheme of installation；Fig. 6 is drag-line scheme of installation；Fig. 7 is drag-line and intersects diagonal web member
Prestress application schematic diagram；Fig. 8 is present invention lifting schematic diagram in place.
Specific embodiment
Below in conjunction with the accompanying drawings, technical scheme is described in further detail.
As Figure 1-3, what the present invention was disclosed is a kind of pair of rope separate type truss string structure, described pair of rope separate type string purlin
Frame is installed on the top of some supporting construction posts 7, including two top booms 1 that are installed on supporting construction post 7 and is drawn with two lower edges
Rope 4, adjacent two top boom 1 is connected by some upper transverse support bars 10；Adjacent two lower edge drag-lines 4 are by some lower laterally branch
Strut 11 is connected；Wherein, connected by some vertical struts 2 between upper transverse support bar 10 and lower transverse support bar 11, it is adjacent
Vertical strut 2 is connected by diagonal web member 3；Some lower transverse support bars 11 are connected by two lower edge drag-lines 4, and each lower edge draws
The top of supporting construction post 7 is fixed at the two ends of rope 4.
The two ends of the top boom 1 are installed on the top of supporting construction post 7 by cast steel hinged support 6, and two top boom 1 is
Two pipes of arc 8, the end of pipe 8 is connected to the cast steel hinged support 6 by bearing pin.
The outer peripheral face of upper pipe 8 is provided with some hoop type nodes 9, and hoop type node 9 is made up of two panels, by weld seam
Be fixed on the outer peripheral face of pipe 8, the upper transverse support bar 10 by be fixedly welded on the two hoop type nodes 9 being correspondingly arranged it
Between.
Described that the two ends of transverse support bar 11 once are provided with the cord clip 5 with otic placode, the upper end of vertical strut 2 passes through
Bearing pin is connected to the bottom of hoop type node 9, and lower end is connected at the otic placode of cord clip 5 by bearing pin；The diagonal web member 3 is high using intersecting
Strong reinforcing pull rod, top and bottom are connected at hoop type node 9 and the otic placode of cord clip 5 by bearing pin respectively；The lower edge drag-line 4 is adopted
High-strength drag-line is used, two ends are fixed on the end otic placode of pipe 8 by anchorage, two lower edge drag-lines 4 pass through multiple cord clips
5, and in the junction of span centre position；The cord clip 5 is made up of upper cord clip and lower cover, by the Bolt of lower cover bottom by lower edge
In the rope hole that drag-line 4 is fixed in the middle of cord clip 5；The lower edge drag-line 4 uses vanadium rope high, and two lower edge drag-lines 4 are spatially in double
To hyperbolic form.
A kind of pair of construction method of rope separate type truss string structure, comprises the following steps：
（1）As shown in figure 4, setting assembled moulding bed near the ground, the pipe 8 for first completing factory process is by required dimensioning
Very little assembled shaping, is then fixed by welding in the position that pipe 8 sets, finally by upper cross struts 10 by hoop type node 9
By being welded to connect between hoop type node 9, top boom 1 is obtained；Cast steel hinged support 6 is connected to the end of pipe 8 by bearing pin
On the otic placode of subordinate side；
（2）As shown in figure 5, cord clip 5 is temporarily fixed, the angle of each otic placode of cord clip 5 is adjusted according to design drawing, then will be perpendicular
It is fixed between hoop type node 9 and cord clip 5 by bearing pin to strut 2；By lower transverse support bar 11 by being fixedly welded on phase
Between adjacent two cord clips 5；Diagonal web member 3 is individually fixed in hoop type node 9 and cord clip 5 by the bearing pin at two ends, multiple is obtained
The reinforcing pull rod group of right-angled intersection；
（3）As shown in fig. 6, the removal lower cover of cord clip 5, two lower edge drag-lines 4 are each passed through multiple cord clips 5, by the anchor of end
Tool and bearing pin are fixed on the otic placode of the end of pipe 8, then, are consolidated lower edge drag-line 4 by the Bolt of the lower cover bottom of cord clip 5
In rope hole in the middle of cord clip 5, double rope separate type truss string structures are obtained；
（4）As shown in fig. 7, using tensioning equipment, two lower edge drag-lines 4 are stretched into pre-stress design value first, then to oblique
Web member 3 is conducted batch-wise tensioning, and structural initial pre stress is set up in the structure；
（5）As shown in figure 8, using lifting appliance, the truss string structure to Tension Forming is integrally lifted；Truss string structure is lifted just
Behind position, the lower shoe of cast steel hinged support 6 is fixed on the top of lower support post 7 by weld seam, completes new couple of rope separate type Zhang Xian
The assembling of truss.
Specific implementation of the invention is described above.It is all done within the spirit and principles in the present invention it is any
Modification, equivalent and improvement, should be included within the scope of the present invention.
Claims (8)
1. a kind of pair of rope separate type truss string structure, described pair of rope separate type truss string structure is installed on some supporting construction column tops,
It is characterized in that：Including two top booms and two lower edge drag-lines that are installed on supporting construction post, adjacent two top boom and two
Lower edge drag-line is connected by some upper transverse support bars and lower transverse support bar respectively；Wherein, upper transverse support bar and lower transverse direction
Connected by some vertical struts between support bar, adjacent vertical strut is connected by diagonal web member；Some lower cross-braces
Bar is connected by two lower edge drag-lines, and supporting construction capital end is fixed at the two ends of each lower edge drag-line.
2. a kind of pair of rope separate type truss string structure according to claim 1, it is characterised in that：The two ends of the top boom lead to
Cross cast steel hinged support and be installed on supporting construction column top, two top boom is two pipes of arc, and the end of pipe passes through
Bearing pin is connected to the cast steel hinged support.
3. a kind of pair of rope separate type truss string structure according to claim 2, it is characterised in that：The top boom outer peripheral face sets
Some hoop type nodes are equipped with, hoop type node is made up of two panels, top boom outer peripheral face, the upper transverse direction are fixed on by weld seam
Support bar is by being fixedly welded between the two hoop type nodes being correspondingly arranged.
4. a kind of pair of rope separate type truss string structure according to claim 3, it is characterised in that：
Described that the cord clip with otic placode is provided with per transverse support bar two ends once, the vertical strut upper end is connected by bearing pin
In hoop type node bottom, lower end is connected at cord clip otic placode by bearing pin；The diagonal web member is used and intersects high-strength reinforcing pull rod, on
End and lower end are connected at hoop type node and cord clip otic placode by bearing pin respectively.
5. a kind of pair of rope separate type truss string structure according to claim 4, it is characterised in that：The lower edge drag-line is using high
Hale rope, two ends are fixed on the end otic placode of pipe by anchorage, two lower edge drag-lines pass through multiple cord clips, and across
Middle position junction.
6. a kind of pair of rope separate type truss string structure according to claim 5, it is characterised in that：The cord clip by upper cord clip and
Lower cover is constituted, by the rope hole that be fixed on lower edge drag-line in the middle of cord clip by the Bolt of lower cover bottom.
7. a kind of pair of rope separate type truss string structure according to claim 1, it is characterised in that：The lower edge drag-line is using high
Vanadium rope, two lower edge drag-lines are in spatially two-way hyperbolic form.
8. a kind of pair of construction method of rope separate type truss string structure, it is characterised in that comprise the following steps：
（1）Assembled moulding bed is set near the ground, the pipe for first completing factory process presses the assembled shaping of required physical dimension,
Then hoop type node is fixed by welding in the position of pipe setting, finally by cross struts by being welded to connect in cuff
Between formula node, bar assembly of winding up is obtained；
（2）Cast steel hinged support is connected on the otic placode on the downside of pipe end by bearing pin；
（3）Cord clip is fixed temporarily, the angle of each otic placode of cord clip is adjusted according to design drawing, vertical strut is then passed through into pin
Axle is fixed between hoop type node and cord clip；
（4）By diagonal web member（Hoop type node and cord clip are individually fixed in by the bearing pin at two ends, the steel of multiple right-angled intersections is obtained
Pull bar group；
（5）Removal cord clip lower cover, two lower edge drag-lines are each passed through multiple cord clips, are fixed on by the anchorage and bearing pin of end
On the otic placode of pipe end, then, lower edge drag-line is fixed in the middle of cord clip rope by the Bolt of cord clip lower cover bottom
In hole；
（6）Using tensioning equipment, then two lower edge cable tensions are conducted batch-wise to pre-stress design value to diagonal web member first
Tensioning, sets up structural initial pre stress in the structure；
（7）Using hanging device, the truss string structure integral hoisting to Tension Forming state；After lifting is in place, by cast steel hinged support
Lower shoe is fixed on lower support column top by weld seam, completes the assembling of double rope separate type truss string structures.
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| CN201611194804.5A CN106836497A (en) | 2016-12-22 | 2016-12-22 | A kind of pair of rope separate type truss string structure and its construction method |
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| CN201611194804.5A CN106836497A (en) | 2016-12-22 | 2016-12-22 | A kind of pair of rope separate type truss string structure and its construction method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938852A (en) * | 2017-11-30 | 2018-04-20 | 上海宝冶集团有限公司 | A kind of large-scale drag-line tapered end joint construction method |
| CN108277924A (en) * | 2018-03-14 | 2018-07-13 | 江苏恒久钢构有限公司 | The cable tension method of truss string structure |
| CN108589739A (en) * | 2018-05-31 | 2018-09-28 | 上海宝冶集团有限公司 | It is anti-buckling to support the modularization foundation pit supporting system being combined with beam string |
| CN110145027A (en) * | 2019-05-07 | 2019-08-20 | 天津大学 | The double rope joint systems of separate type tensioning for beam-string structure |
| CN110258802A (en) * | 2019-05-31 | 2019-09-20 | 东南大学 | A kind of Ultra-Long Spans spoke type suspended-dome structure based on flying swallow truss arch |
| CN110714567A (en) * | 2019-09-04 | 2020-01-21 | 中信建筑设计研究总院有限公司 | Node does not have continuous broken line lower chord radial cable structure that slides |
| CN111764517A (en) * | 2020-07-14 | 2020-10-13 | 陕西建工机械施工集团有限公司 | Large-span truss string guiding traction high-altitude cable loading method |
| CN112095879A (en) * | 2020-11-05 | 2020-12-18 | 湖南大学 | Giant latticed shell structure with internal cable distribution prestress |
| CN112942365A (en) * | 2021-01-29 | 2021-06-11 | 江苏三力岩土科技有限公司 | Combined large-span deep foundation pit prestressed steel supporting system |
| CN112982793A (en) * | 2021-02-08 | 2021-06-18 | 清华大学建筑设计研究院有限公司 | Super-large span heavy-load prestressed space truss based on topological optimization principle |
| CN113700152A (en) * | 2021-09-02 | 2021-11-26 | 山东建筑大学 | Construction method of three-fork or V-shaped web member combined string structure |
| CN114182885A (en) * | 2021-12-23 | 2022-03-15 | 中城建(福建)建筑设计研究院有限公司 | Prestressed beam resisting wind suction force |
| CN114362655A (en) * | 2022-03-04 | 2022-04-15 | 山东大学 | Large-span single-span self-anchoring flexible photovoltaic support system and construction method |
| CN114526904A (en) * | 2022-04-24 | 2022-05-24 | 华北科技学院 | Cable force test device of space cable structure |
| CN114837341A (en) * | 2022-06-09 | 2022-08-02 | 江西建工第一建筑有限责任公司 | Steel roof supporting system of truss with open chord and inverted triangular pipe |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938852A (en) * | 2017-11-30 | 2018-04-20 | 上海宝冶集团有限公司 | A kind of large-scale drag-line tapered end joint construction method |
| CN108277924A (en) * | 2018-03-14 | 2018-07-13 | 江苏恒久钢构有限公司 | The cable tension method of truss string structure |
| CN108589739A (en) * | 2018-05-31 | 2018-09-28 | 上海宝冶集团有限公司 | It is anti-buckling to support the modularization foundation pit supporting system being combined with beam string |
| CN110145027A (en) * | 2019-05-07 | 2019-08-20 | 天津大学 | The double rope joint systems of separate type tensioning for beam-string structure |
| CN110258802A (en) * | 2019-05-31 | 2019-09-20 | 东南大学 | A kind of Ultra-Long Spans spoke type suspended-dome structure based on flying swallow truss arch |
| CN110258802B (en) * | 2019-05-31 | 2020-08-11 | 东南大学 | Super-large-span spoke type suspended dome structure based on flying swallow type truss arch |
| CN110714567A (en) * | 2019-09-04 | 2020-01-21 | 中信建筑设计研究总院有限公司 | Node does not have continuous broken line lower chord radial cable structure that slides |
| CN111764517A (en) * | 2020-07-14 | 2020-10-13 | 陕西建工机械施工集团有限公司 | Large-span truss string guiding traction high-altitude cable loading method |
| CN112095879A (en) * | 2020-11-05 | 2020-12-18 | 湖南大学 | Giant latticed shell structure with internal cable distribution prestress |
| CN112942365A (en) * | 2021-01-29 | 2021-06-11 | 江苏三力岩土科技有限公司 | Combined large-span deep foundation pit prestressed steel supporting system |
| CN112982793A (en) * | 2021-02-08 | 2021-06-18 | 清华大学建筑设计研究院有限公司 | Super-large span heavy-load prestressed space truss based on topological optimization principle |
| CN113700152A (en) * | 2021-09-02 | 2021-11-26 | 山东建筑大学 | Construction method of three-fork or V-shaped web member combined string structure |
| CN113700152B (en) * | 2021-09-02 | 2022-11-25 | 山东建筑大学 | Construction method of three-fork or V-shaped web member combined string structure |
| CN114182885A (en) * | 2021-12-23 | 2022-03-15 | 中城建(福建)建筑设计研究院有限公司 | Prestressed beam resisting wind suction force |
| CN114182885B (en) * | 2021-12-23 | 2022-12-13 | 中城建(福建)建筑设计研究院有限公司 | Prestressed beam resisting wind suction force |
| CN114362655A (en) * | 2022-03-04 | 2022-04-15 | 山东大学 | Large-span single-span self-anchoring flexible photovoltaic support system and construction method |
| CN114362655B (en) * | 2022-03-04 | 2024-03-01 | 山东大学 | Large-span single-span self-anchored flexible photovoltaic bracket system and construction method |
| CN114526904A (en) * | 2022-04-24 | 2022-05-24 | 华北科技学院 | Cable force test device of space cable structure |
| CN114837341A (en) * | 2022-06-09 | 2022-08-02 | 江西建工第一建筑有限责任公司 | Steel roof supporting system of truss with open chord and inverted triangular pipe |
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Application publication date: 20170613 |
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