CN208202276U - Long-span roofing beam string - Google Patents
Long-span roofing beam string Download PDFInfo
- Publication number
- CN208202276U CN208202276U CN201820610272.7U CN201820610272U CN208202276U CN 208202276 U CN208202276 U CN 208202276U CN 201820610272 U CN201820610272 U CN 201820610272U CN 208202276 U CN208202276 U CN 208202276U
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- Prior art keywords
- long
- curved
- span roofing
- upright bar
- connection
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- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 239000003351 stiffener Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model relates to tension string beam structure technical fields, disclose a kind of long-span roofing beam string.The utility model includes brace steel post, the coupling beam of the unit beam group of parallel arrangement and connection adjacent cells beam group on brace steel post, each unit beam group includes the Curved beam for two Pin laid out in parallel being located above, drag-line below each Curved beam, the upright bar being arranged between Curved beam and drag-line, and the coupling beam between the adjacent Curved beam of connection, the Curved beam is variable cross-section box type beam, it is made of one group of standard knot and the end section splicing positioned at both ends, the cross-sectional width of each standard knot is consistent, and the difference in height of both ends of the surface is not more than 10-15cm.The utility model structure is simple, and from heavy and light, stress system is stablized, convenient and efficient of constructing.
Description
Technical field
The utility model relates to tension string beam structure technical fields, more particularly to a kind of long-span roofing beam string.
Background technique
Prestressing force beam string structure structure is that one kind is winded up as rigid member, and lower edge is flexible cable, and centre connects to be formed with strut
Combined structure system, it is a kind of large-span space structure system that structure composition, which is a kind of novel self equilibrium systems,.Zhang Xian
Girder construction system is simple, stress is clear, structure type is various, has given full play to the advantage of hard and soft two kinds of materials, convenient for manufacture, fortune
Defeated and construction, has a good application prospect.
Traditional Plane Beam String Structure can be divided into linear type, arch and three kinds of herringbone according to the shape of upper chord member
Basic configuration, applicable span is small, and the weight of beam string component is big, and the usage amount of steel is big, and installation difficulty is big, and construction efficiency is low.
Current beam string construction, mostly uses set up high-altitude support jig greatly, and assembled welding is then carried out on moulding bed, high-altitude moulding bed
A large amount of man power and material can be wasted by setting up, and extend construction period.
Utility model content
It is simple that the utility model provides a kind of structure, and from heavy and light, stress system is stablized, the large span room for convenient and efficient of constructing
Face beam string.
The technical issues of solution is: difficulty of construction is big for existing tension string beam structure, and low efficiency is time-consuming and laborious, is self-possessed larger,
It is limited to be applicable in span.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The utility model long-span roofing beam string, including brace steel post, the unit beam group of parallel arrangement on brace steel post
With the coupling beam of connection adjacent cells beam group, each unit beam group includes the Curved beam for two Pin laid out in parallel being located above, each
Drag-line below Curved beam, the coupling beam between the upright bar being arranged between Curved beam and drag-line, and the adjacent Curved beam of connection are described
Curved beam is variable cross-section box type beam, is made of one group of standard knot and the end section splicing positioned at both ends, the section of each standard knot
The difference in height of equivalent width, both ends of the surface is not more than 10-15cm.
The utility model long-span roofing beam string, further, the length of the standard knot are not more than 16m.
The utility model long-span roofing beam string, further, the end section includes smoothed with adjacent modular section
The main beam of connection and the Cantilever Beams above main beam are crossed, main beam head bottom part is fixedly connected with brace steel post top,
The upper surface of Cantilever Beams one end is connected smoothly with main beam upper surface, and the other end extends outward to form overhanging end, overhangs end
Hound is hingedly connected between main beam end.
The utility model long-span roofing beam string, further, the girder of the end section of two neighboring Curved beam
Truss frame for connecting is additionally provided between body, the truss frame for connecting is vertically arranged, and end is welded and fixed with main beam and Cantilever Beams.
The utility model long-span roofing beam string is further also set up between the Cantilever Beams and main beam end
There is connection column.
The utility model long-span roofing beam string, further, the angle of the hound and horizontal plane is 15-25 °.
The utility model long-span roofing beam string, further, the main beam bottom are provided with connection otic placode, described
Drag-line both ends are fixedly connected by fixed rope head with connection otic placode.
The utility model long-span roofing beam string is further symmetrically arranged on the Curved beam two sidewalls and is used for
The casing of coupling beam is connected, coupling beam both ends are connect with the casing socket joint being correspondingly arranged on adjacent Curved beam respectively, and solid by bolt
Fixed, the coupling beam is arranged in a one-to-one correspondence with upright bar.
The utility model long-span roofing beam string, further, the Curved beam bottom interval be provided with for it is vertical
The fixed upright bar folder in bar top, the upright bar folder include two clamping plates, and clamping plate is angle steel, and notch is oppositely arranged outward, and two
There are gap between clamping plate, clamping plate outside is symmetrically arranged with stiffener.
The utility model long-span roofing beam string, further, the upright bar is vertically arranged, parallel interval is distributed, top
End is provided with plugboard, and plugboard is inserted into the gap between two clamping plates of the upright bar folder, is bolted to connection,
Bottom end is connect by rigging with drag-line.
The utility model long-span roofing beam string and its construction method compared with prior art, have following beneficial to effect
Fruit:
The utility model long-span roofing tension string beam structure is simple, is suitable for the biggish roof steel structure construction of span, arc
Ellbeam uses the box beam of variable cross-section, and moulding is more various, reduces the dosage of steel to greatest extent, is ensuring overall structure
Under the premise of system stability under loading, the self weight of steel construction is alleviated, splices convenient for segmental hoisting and high-altitude, greatly reduces construction
Difficulty improves construction efficiency.
The long-span roofing beam string of the utility model is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model long-span roofing beam string;
Fig. 2 is the structural schematic diagram of end section;
Fig. 3 is the connecting node schematic diagram that rod end is connect with Curved beam.
Appended drawing reference:
1- brace steel post;2- Curved beam;21- standard knot;The end 22- section;221- main beam;222- Cantilever Beams;223- connects
Connect column;3- coupling beam;4- drag-line;5- upright bar;51- plugboard;6- upright bar folder;61- clamping plate;62- stiffener;7- casing;8-
Hound;9- truss frame for connecting.
Specific embodiment
As shown in Figure 1, the utility model long-span roofing beam string includes brace steel post 1, parallel arrangement on brace steel post 1
Unit beam group and connection adjacent cells beam group coupling beam 3.
Each unit beam group includes the Curved beam 2 for two Pin laid out in parallel being located above, the drag-line of each 2 lower section of Curved beam
4, the coupling beam 3 between the upright bar 5 being arranged between Curved beam 2 and drag-line 4, and the adjacent Curved beam 2 of connection.
As shown in Fig. 2, Curved beam 2 is variable cross-section box type beam, by one group of standard knot 21 and positioned at 22 weldering of end section at both ends
Splicing composition is connect, the cross-sectional width of each standard knot 21 is consistent, and the difference in height of both ends of the surface is not more than 10-15cm, each standard knot
21 length is not more than 16m, as shown in figure 3,2 bottom interval of Curved beam is provided with for pressing from both sides with the fixed upright bar in 5 top of upright bar
Part 6, upright bar folder 6 include two clamping plates 61, and clamping plate 61 is angle steel, and notch is oppositely arranged outward, and there are seams between two clamping plates 61
Gap is symmetrically arranged with stiffener 62 on the outside of clamping plate 61, and stiffener 62 is vertically arranged, and is welded and fixed with clamping plate 61;2 two sides of Curved beam
The casing 7 for connecting coupling beam 3 is symmetrically arranged on wall;End section 22 includes the master being connected smoothly with adjacent modular section 21
Beam body 221 and the Cantilever Beams 222 above main beam 221,221 head bottom part of main beam and 1 top of brace steel post are fixed to be connected
It connects, 221 bottom of main beam is provided with connection otic placode, and the upper surface and 221 upper surface of main beam of 222 one end of Cantilever Beams seamlessly transit
Connection, the other end extend outward to form overhanging end, connection column 223 are provided between 221 end of Cantilever Beams 222 and main beam,
It is hingedly connected with hound 8 between 221 end of overhanging end and main beam of Cantilever Beams 222, hound 8 and the angle of horizontal plane are
15-25°。
4 both ends of drag-line are fixedly connected by fixed rope head with the connection otic placode of 22 lower section of end section.
Upright bar 5 is vertically arranged, parallelly distribute on, and top is provided with plugboard 51, and plugboard 51 is inserted into two of upright bar folder 6
Gap between clamping plate 61, is bolted to connection, and bottom end is connect by rigging with drag-line 4.
3 both ends of coupling beam are connect with 7 socket joint of casing being correspondingly arranged on adjacent 2 side wall of Curved beam respectively, and solid by bolt
Fixed, coupling beam 3 is arranged in a one-to-one correspondence with upright bar 5;It is also set between 221 end of main beam of the end section 22 of two neighboring Curved beam 2
It is equipped with truss frame for connecting 9, truss frame for connecting 9 is vertically arranged, and is welded and fixed with main beam 221 and Cantilever Beams 222.
The construction method of the utility model long-span roofing beam string, specifically includes the following steps:
Step 1: requiring according to detail design, the support post of surrounding is set;
Step 2: temporary support is arranged below unit beam group to be onstructed, and cable wind rope is set and is fixed;
Step 3: end section 22 or standard knot 21 are carried out segmentation preassembling on the moulding bed of ground, each section of length is not
Greater than 30m;
Step 4: 2 segmental hoisting of Curved beam that assembly is completed, to high-altitude, end section 22 and the support post of fixing end weld
Fixation is connect, the other end is erected on temporary support, and the adjacent Curved beam 2 risen is hung with after to be welded and fixed, the end of sliding end
Section 22 is erected on temporary support, forms rock-steady structure, completes the installation of the first Pin Curved beam 2;
Step 5: repeating step 3 and step 4, the installation of the 2nd Pin Curved beam 2 is completed;
Step 6: the coupling beam 3 between two Pin Curved beams 2 of connection, forms unit beam group, and truss frame for connecting 9 and diagonal brace is arranged
Bar 8;
Step 7: installation drag-line 4, while initial tensioning is carried out to first group of unit beam group;
Step 8: repeating step 2 completes the installation of second group of unit beam group to step step 7, and at adjacent two groups
Coupling beam 3 is set between unit beam group;
Step 9: repeating step 2 to step 8, the installation of whole tension string beam structure is completed, then according to from centre to two
End symmetrically carries out whole two times tensioning and tensioning three times, and each tensioning classification is carried out, opened between adjacent two Pin in stretching process
It draws load not differ 10%, and guarantees that tensioning height difference is no more than 6mm;
Step 10: post-mounting structure both ends coupling beam 3 is completed in tensioning, welding is completed, and thin portion adjusts each Pin Suo Li, is all satisfied and is set
Meter terminates tensioning after requiring, and carries out polishing cleaning welding to sliding end node.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (10)
1. long-span roofing beam string, including brace steel post (1), the unit beam group and connection of parallel arrangement on brace steel post (1)
The coupling beam (3) of adjacent cells beam group, each unit beam group include the Curved beam (2) for two Pin laid out in parallel being located above, each
Drag-line (4) below Curved beam (2), the upright bar (5) being arranged between Curved beam (2) and drag-line (4), and the adjacent Curved beam of connection
(2) coupling beam (3) between, it is characterised in that: the Curved beam (2) is variable cross-section box type beam, by one group of standard knot (21) and position
End section (22) splicing composition in both ends, the cross-sectional width of each standard knot (21) is consistent, and the difference in height of both ends of the surface is not more than
10-15cm。
2. long-span roofing beam string according to claim 1, it is characterised in that: the length of each standard knot (21)
No more than 16m.
3. long-span roofing beam string according to claim 1, it is characterised in that: end section (22) include with it is adjacent
The main beam (221) that standard knot (21) is connected smoothly and the Cantilever Beams (222) being located above main beam (221), main beam
(221) head bottom part is fixedly connected with brace steel post (1) top, on the upper surface and main beam (221) of Cantilever Beams (222) one end
Smooth surface transition connection, the other end extend outward to form overhanging end, overhang and are articulated and connected between end and main beam (221) end
There are hound (8).
4. long-span roofing beam string according to claim 3, it is characterised in that: the two neighboring Curved beam (2)
End section (22) main beam (221) between be additionally provided with truss frame for connecting (9), the truss frame for connecting (9) is vertically arranged, end with
Main beam (221) and Cantilever Beams (222) are welded and fixed.
5. long-span roofing beam string according to claim 3, it is characterised in that: the Cantilever Beams (222) and main beam
(221) connection column (223) is additionally provided between end.
6. long-span roofing beam string according to claim 3, it is characterised in that: the hound (8) and horizontal plane
Angle is 15-25 °.
7. long-span roofing beam string according to claim 3, it is characterised in that: main beam (221) the bottom setting
There is connection otic placode, drag-line (4) both ends are fixedly connected by fixed rope head with connection otic placode.
8. long-span roofing beam string according to claim 1, it is characterised in that: right on Curved beam (2) two sidewalls
Claim to be provided with casing (7) for connecting coupling beam (3), coupling beam (3) both ends respectively with the set that is correspondingly arranged on adjacent Curved beam (2)
The connection of (7) socket joint is managed, and is bolted, the coupling beam (3) is arranged in a one-to-one correspondence with upright bar (5).
9. long-span roofing beam string according to claim 1, it is characterised in that: Curved beam (2) bottom interval is set
It is equipped with for the upright bar folder (6) fixed with upright bar (5) top, the upright bar folder (6) includes two clamping plates (61), clamping plate
It (61) is angle steel, notch is oppositely arranged outward, and there are gap between two clamping plates (61), clamping plate (61) outside, which is symmetrically arranged with, puts more energy into
Plate (62).
10. long-span roofing beam string according to claim 9, it is characterised in that: the upright bar (5) is vertically arranged, puts down
Row interval distribution, top is provided with plugboard (51), plugboard (51) be inserted into the upright bar folder (6) two clamping plates (61) it
Between gap in, be bolted to connection, bottom end is connect by rigging with drag-line (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820610272.7U CN208202276U (en) | 2018-04-26 | 2018-04-26 | Long-span roofing beam string |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820610272.7U CN208202276U (en) | 2018-04-26 | 2018-04-26 | Long-span roofing beam string |
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CN208202276U true CN208202276U (en) | 2018-12-07 |
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CN201820610272.7U Expired - Fee Related CN208202276U (en) | 2018-04-26 | 2018-04-26 | Long-span roofing beam string |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112575948A (en) * | 2020-12-09 | 2021-03-30 | 浙江省一建建设集团有限公司 | Truss string beam and cantilever truss combined roof truss and construction method |
CN113136956A (en) * | 2021-03-19 | 2021-07-20 | 中建一局集团建设发展有限公司 | Connecting joint for beam string and tubular column in hinged mode and construction method of connecting joint |
-
2018
- 2018-04-26 CN CN201820610272.7U patent/CN208202276U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112575948A (en) * | 2020-12-09 | 2021-03-30 | 浙江省一建建设集团有限公司 | Truss string beam and cantilever truss combined roof truss and construction method |
CN113136956A (en) * | 2021-03-19 | 2021-07-20 | 中建一局集团建设发展有限公司 | Connecting joint for beam string and tubular column in hinged mode and construction method of connecting joint |
CN113136956B (en) * | 2021-03-19 | 2022-07-29 | 中建一局集团建设发展有限公司 | Connecting joint for beam string and tubular column in hinged mode and construction method of connecting joint |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |
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CF01 | Termination of patent right due to non-payment of annual fee |