CN209194719U - Assembled prestressed large-span beam structure - Google Patents
Assembled prestressed large-span beam structure Download PDFInfo
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- CN209194719U CN209194719U CN201821985102.3U CN201821985102U CN209194719U CN 209194719 U CN209194719 U CN 209194719U CN 201821985102 U CN201821985102 U CN 201821985102U CN 209194719 U CN209194719 U CN 209194719U
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- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000004567 concrete Substances 0.000 claims description 15
- 238000005265 energy consumption Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 17
- 238000005452 bending Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model provides an assembled prestressing force large-span beam structure, which comprises a truss girder, wherein the truss girder comprises an upper chord member, a lower chord member and a plurality of assembling units, the upper chord member comprises a first supporting rod and a second supporting rod which are arranged in parallel and at intervals, and the first supporting rod is connected with the second supporting rod through a connecting piece; the lower chord is arranged below the upper chord and between the first support rod and the second support rod, and the lower chord and the upper chord are arranged in parallel; the assembly unit comprises a plurality of web members, the lower ends of the web members are arranged in a neighboring mode and hinged to the lower chord member, the upper end of one part of the web members is hinged to the first supporting rod, the upper end of the other part of the web members is hinged to the second supporting rod, the web members are connected to the first supporting rod at intervals, and the web members are connected to the first supporting rod at intervals. The utility model discloses can assemble according to the user demand on the scene, construction convenience is fast, reduces the cost, and the node adopts articulated mode, can guarantee that the web member axle center does not receive the bending moment effect to green construction, easy maintenance.
Description
Technical field
The utility model relates to industrialize assembled architecture technical field, in particular to a kind of prefabricated PC large span
Girder construction.
Background technique
Assembling type steel structure has many advantages, such as, large-scale production, on-site assembly, green construction, quick construction, and with it is mixed
Xtah Crude Clay structure has a clear superiority compared to anti-seismic performance, is a kind of new structure risen in recent years, thus is widely used
In the design-build of building construction building, but it is rarely applied in longspan structure.
Large span girder structure is mostly prestressed reinforced concrete construction, and figure and component are huge, and section ratio of height to thickness is excessive, to sky
Between it is more demanding, material consumption is huge, and cost is excessively high, and span centre deformation excessive causes anti-seismic performance to weaken；Traditional large span beam type
Structure is mostly rigid joint, and node is complicated, and difficulty of construction is big, and the speed of application slow period is long, and construction pollution is serious, and is tieed up after shaking
It is more difficult to repair.
Utility model content
The purpose of the utility model is to provide one kind can save space, the convenient and easy to maintenance assembled of construction is answered in advance
Power long-span beams structure.
A kind of prefabricated PC long-span beams structure that in order to achieve the above object, the utility model provides comprising purlin
It sets a roof beam in place, the girder truss includes:
Top boom comprising be arranged in parallel and at interval the first strut and the second strut, first strut passes through connection
Part connects with second strut；
Lower boom, is set to the lower section of the top boom and between first strut and second strut,
And the lower boom is arranged in parallel with the top boom；
Multiple groups of orders member, described group of order member includes multiple web members, the neighbouring setting in the lower end of multiple web members and with
The lower boom is hinged, and the upper end of a part of web member and first strut are hinged, the upper end of web member described in another part
It is hinged with second strut, and it is connected to each web member interval setting on first strut, it is connected to described first
Each web member interval setting on strut.
Prefabricated PC long-span beams structure as described above, wherein be connected to the lower boom both ends and centre
Each web member of described group of order member be anti-buckling support rod, the anti-buckling support rod includes sleeve and is set to described
H profile steel energy consumption inner core in sleeve, and concrete layer is filled between the sleeve and the H profile steel energy consumption inner core.
Prefabricated PC long-span beams structure as described above, wherein first strut, second strut and institute
It states and is respectively equipped with multiple otic placodes on lower boom, the both ends of the both ends of the web member and the anti-buckling support rod are equipped with can be with institute
State the hinged connecting piece of otic placode.
Prefabricated PC long-span beams structure as described above, wherein the connecting piece include at least two it is parallel and
Every the connecting plate of setting, the otic placode can be inserted between two connecting plates, and the otic placode is equipped with otic placode through-hole, the company
Fishplate bar is equipped with connection through-hole corresponding with the otic placode through-hole, passes through the two connection through-holes and the otic placode by bolt
Through-hole is screwed on nut, and the connecting plate connects with the otic placode.
Prefabricated PC long-span beams structure as described above, wherein the connecting piece further includes being connected to the abdomen
The fixed plate at the both ends of bar and the both ends of the anti-buckling support rod, the connecting plate are connected in the fixed plate.
Prefabricated PC long-span beams structure as described above, wherein the connector is multiple connecting rods, the company
The structure of extension bar is identical as the structure of the web member, and has between adjacent two connecting rod and be greater than 0 ° and the folder less than 180 °
Angle.
Prefabricated PC long-span beams structure as described above, wherein angle between adjacent two connecting rod
Angle is 60 °.
Prefabricated PC long-span beams structure as described above, wherein ungauged regions coagulation is filled in the lower boom
Soil layer is embedded at least one prestress wire in the non-shrinkage concrete layer.
Prefabricated PC long-span beams structure as described above, wherein formed between the web member and the lower boom
Angle angle be 60 °.
Prefabricated PC long-span beams structure as described above, wherein be connected with the first truss on first strut
Strutbeam is connected with the second truss strutbeam, the structure of the first truss strutbeam and the second truss branch on second strut
The structure of beam is identical as the girder truss, and the of the second strut of the first truss strutbeam and the second truss strutbeam
Two struts are same, first strut of the lower boom of the first truss strutbeam for the girder truss, the second truss branch
The lower boom of beam is the second strut of the girder truss.
Compared with prior art, as follows the advantages of the utility model:
The prefabricated PC long-span beams structure of the utility model, using hinge between web member and top boom and lower boom
It connects, so that prefabricated PC long-span beams structure live can carry out prefabrication, assembled in situ, construction party according to use demand
Just fast, cost is reduced, and spatial volume is small, while using hinged joint, can guarantee that bending moment does not act in web member axle center,
Reasonable stress, and integrated application assembled technology, BRB (anti-buckling constraint support) technology and prestressing technique, and optimize
Section reduces steel using amount, improves anti-seismic performance, and green construction is easy to maintenance；
The prefabricated PC long-span beams structure of the utility model, at the both ends of prefabricated PC long-span beams structure
With span centre unit, web member is replaced using anti-buckling support rod, anti-buckling support rod, which can not only effectively consume energy, enhances girder structure
Big shake seismic stability, reinforce anti-bending strength, improve anti-seismic performance, additionally it is possible to optimize section, further save space so that
Prefabricated PC long-span beams structure space flexibility with higher；
The prefabricated PC long-span beams structure of the utility model, top boom, lower boom and web member are all made of round steel pipe,
Steel pipe is accepted rationally, and the cross sectional moment of inertia in horizontal and vertical direction is equal, and anti-torsion is functional, and anti-seismic performance is good；
The prefabricated PC long-span beams structure of the utility model, each component can be produced in batches by factory, so that
Assembled in situ assembly operation is simple and convenient,
The prefabricated PC long-span beams structure of the utility model is applied to lower boom in advance by prestress wire
Precompression, to resist the tension effect of lower boom, to enhance the stress performance of optimization lower boom.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the schematic perspective view of the prefabricated PC long-span beams structure of the utility model；
Fig. 2 is the schematic view of the front view of prefabricated PC long-span beams structure shown in FIG. 1；
Fig. 3 is the structural schematic diagram of Section A-A in Fig. 2；
Fig. 4 is the structural schematic diagram of anti-buckling support rod in the structure of prefabricated PC long-span beams shown in Fig. 1；
Fig. 5 is the cross section structure schematic diagram of anti-buckling support rod shown in Fig. 4；
Fig. 6 is the cross section structure schematic diagram of lower boom in the structure of prefabricated PC long-span beams shown in Fig. 1；
Fig. 7 is the cross section structure schematic diagram of another prefabricated PC long-span beams structure of the utility model.
Drawing reference numeral explanation:
100, girder truss；
1, the first strut；
2, the second strut；
3, connecting rod；
4, lower boom；41, non-shrinkage concrete layer；42, prestress wire；
5, web member；
6, anti-buckling support rod；61, sleeve；62, concrete layer；63, H profile steel energy consumption inner core；
7, connecting piece；71, connecting plate；711, through-hole is connected；72, fixed plate；
8, otic placode；
200, the first truss strutbeam；
300, the second truss strutbeam.
Specific embodiment
In order to have clearer understanding to the technical solution of the utility model, purpose and effect, now in conjunction with Detailed description of the invention sheet
The specific embodiment of utility model.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of prefabricated PC long-span beams structure, packet
Include girder truss 100, girder truss 100 includes top boom, lower boom 4 and multiple groups of orders members, wherein top boom include it is parallel and
Every the first strut 1 and the second strut 2 of setting, it is circular steel pipe, steel that the first strut 1 and the second strut 2, which are all made of cross section,
Pipe is accepted rationally, and the cross sectional moment of inertia in horizontal and vertical direction is equal, and anti-torsion is functional, and anti-seismic performance is good, and first
Bar 1 is connected by connector with the second strut 2, is fixed the relative position of the first strut 1 and the second strut 2 by connector,
So that the first strut 1 is parallel to each other always with the second strut 2；Lower boom 4 is set to the lower section of top boom and is located at the first strut 1
Between the second strut 2, and lower boom 4 is arranged in parallel with top boom, i.e., lower boom 4, the first strut 1 and the second strut 2 are in sky
Between parallelly distribute on, it is preferred that the axis of lower boom 4, the first strut 1 and the second strut 2 is located at three sides of regular triangular prism
At rib；Each group order member is set in turn between top boom and lower boom 4, specifically, group order member includes multiple web members 5, it is more
The neighbouring setting in the lower end of a web member 5 is simultaneously hinged with lower boom 4, and the upper end of a part of web member 5 and the first strut 1 are hinged, another portion
Divide the upper end of web member 5 and the interval of each web member 5 setting that is hinged, and being connected on the first strut 1 of the second strut 2, is connected to first
Each interval of web member 5 setting on strut 1, it is preferred that group order member includes four web members 5, and four web members 5 are symmetrical arranged two-by-two, and
One in symmetrically arranged two web member 5 joins with the first strut 1, another is hinged with the second strut 2, so that the first strut
1 and second strut 2 stress equalization.
It should be noted that the quantity of the web member 5 of group order member can be according to actual use demand setting, preferably even number
It is a, such as 6 or 8, so that it is identical with 5 quantity of web member on the second strut 2 to be connected to the first strut 1, the first strut 1
With the stress equalization of the second strut 2.
Further, as shown in figure 3, the angle of the angle formed between web member 5 and lower boom 4 is 60 °, i.e., adjacent two web member
5 are enclosed equilateral triangle with top boom or lower boom 4, and such structure can effectively ensure that prefabricated PC is big
The stability of span girder construction, certainly, the angle of the angle formed between web member 5 and lower boom 4 can be other angles, such as
30 ° or 45 °, details are not described herein.
The prefabricated PC long-span beams structure of the utility model, using hinge between web member 5 and top boom and lower boom 4
It connects, so that prefabricated PC long-span beams structure live can be assembled according to use demand, it is easy for construction fast, it reduces
Cost, and spatial volume is small, while using hinged joint, can guarantee that bending moment does not act in web member 5 axle center, structure is simple, by
Power is reasonable, and green construction, easy to maintenance.
In a kind of embodiment of the utility model, it is connected to each of the group order member of 4 both ends of lower boom and centre
Web member 5 is anti-buckling support rod 6, and as shown in Figure 4 and Figure 5, anti-buckling support rod 6 includes sleeve 61 and is set in sleeve 61
H profile steel energy consumption inner core 63, and 62 layers of concrete are filled between sleeve 61 and H profile steel energy consumption inner core 63, sleeve 61 is using horizontal
Section is made at circular steel pipe, and H profile steel energy consumption inner core 63 is axially extending along sleeve 61, i.e., in prefabricated PC large span
The both ends of girder construction and span centre unit replace web member 5 using anti-buckling support rod 6, and anti-buckling support rod 6 can not only effectively consume
The big shake seismic stability of girder structure can be enhanced, reinforce anti-bending strength, improve anti-seismic performance, additionally it is possible to optimize section, into one
Step saves space, so that prefabricated PC long-span beams structure space flexibility with higher.
It should be noted that can be according to the actual use strength demand of prefabricated PC long-span beams structure, by it
Each web member 5 of the group order member at his position replaces with anti-buckling support rod 6, but organizes order member and need replacement in pairs and symmetrical
Arrangement.
Further, for the ease of the connection between web member 5 or anti-buckling support rod 6 and top boom and lower boom 4, such as Fig. 1
It is shown, multiple otic placodes 8, the both ends of web member 5 and anti-buckling branch are respectively equipped on the first strut 1, the second strut 2 and lower boom 4
The both ends of strut 6 are equipped with connecting piece 7 that can be hinged with otic placode 8, hinged by connecting piece 7 and otic placode 8, so that web member 5 or anti-
Buckling support bar 6 connects with top boom and lower boom 4, the setting of connecting piece 7 and otic placode 8, so that web member 5 or anti-buckling support rod
Connection between 6 and top boom and lower boom 4 is simple and convenient, so that assembling prefabricated PC long-span beams structure now
It is simple to operate, it is time saving and energy saving.
Further, as shown in Figure 1 and Figure 4, connecting piece 7 includes at least two and is arranged in parallel and at interval connecting plate 71, connects
The end of plate 71 is the semicircle convenient for rotating around otic placode 8, and otic placode 8 can be inserted between two connecting plates 71, and two connecting plates 71
It can be rotated relative to otic placode 8, otic placode 8 is equipped with otic placode through-hole (not shown), and connecting plate 71 is equipped with opposite with otic placode through-hole
The connection through-hole 711 answered passes through two connection through-holes 711 and otic placode through-hole and nut (in figure not by bolt (not shown)
Show) it is screwed on, connecting plate 71 connects with otic placode 8, wherein bolt uses high-strength bolt, to improve the bonding strength of junction.
It is of course also possible to which by wearing connecting pin in two connection through-holes 711 and otic placode through-hole, connecting pin connect logical with two
Hole 711 and otic placode through-hole interference fit, to ensure that connecting pin will not loosen in use, to guarantee connecting piece 7 and ear
The reliability that plate 8 connects.
Further, since the cross section of web member 5 and anti-buckling support rod 6 is rounded, so that connecting plate 71 and web member 5
Or the contact surface between anti-buckling support rod 6 is less, is not easy to be attached operation, for the ease of connecting plate 71 and web member 5 or
The anti-buckling support rod 6 of person connects, and connecting piece 7 further includes the fixation at the both ends for being connected to web member 5 and the both ends of anti-buckling support rod 6
Plate 72, connecting plate 71 are connected in fixed plate 72, i.e., connecting plate 71 is connected to web member 5 or anti-buckling support by fixed plate 72
On the end face of bar 6, specifically, fixed plate 72 is respectively welded at the both ends of web member 5 and the both ends of sleeve 61, and by connecting plate 71
It is welded in fixed plate 72, in this way, the contact area between connecting plate 71 and web member 5 or anti-buckling support rod 6 can either be increased,
The reliability of connection is improved, and the attended operation between connecting plate 71 and web member 5 or anti-buckling support rod 6 can be made simply square
Just.
In a kind of embodiment of the utility model, as shown in Figure 1, connector is multiple connecting rods 3, connecting rod 3
Structure is identical as the structure of web member 5, i.e. the both ends of connecting rod 3 are again provided with connecting piece 7, is connected by connecting piece 7 with otic placode 8,
Connecting rod 3 connects with the first strut 1 and the second strut 2, so that the assembly manipulation letter of prefabricated PC long-span beams structure
Folk prescription just, and has between adjacent two connecting rod 3 and is greater than 0 ° and the angle less than 180 °, i.e., between adjacent two connecting rod 3 mutually not
It is arranged in parallel, to ensure that the relative positional relationship between the first strut 1 and the second strut 2 is constant, it is preferred that adjacent two connecting rod
The angle of angle between 3 is 60 °, i.e., adjacent two connecting rod 3 and the first strut 1 or the second strut 2 are enclosed equilateral triangle
Shape, the stability that connecting rod 3 connects the first strut 1 and the second strut 2 is effectively ensured.
It should be noted that the connecting rod 3 and web member 5 of the utility model are roughly the same with the structure of anti-buckling support rod 6,
It the difference is that only that the inside of anti-buckling support rod 6 has the concrete layer 62 for being embedded with H profile steel energy consumption inner core 63.
In a kind of embodiment of the utility model, as shown in fig. 6, since the usual stress of lower boom 4 is larger, in order to mention
The stress performance of high lower boom 4 is filled with non-shrinkage concrete layer 41 in lower boom 4, buries in non-shrinkage concrete layer 41
There is at least one prestress wire 42, precompression is applied to lower boom 4 in advance by prestress wire 42, to resist lower edge
The tension of bar 4 acts on, to enhance the stress performance of optimization lower boom 4；Preferably, four are embedded in non-shrinkage concrete layer 41
Root prestress wire 42, and multiple intervals and liner plate disposed in parallel are set (in figure not in non-shrinkage concrete layer 41
Show), four prestress wires 42 both pass through liner plate, are closed by the relative position that liner plate limits four prestress wires 42
System, to ensure that every prestress wire 42 can apply precompression to lower boom 4.
Certainly, in actual use, can be adjusted according to the use intensity demand of prefabricated PC long-span beams structure
The quantity of inbuilt prestress wire 42 in non-shrinkage concrete layer 41, it should be noted that when the quantity used is greater than 1
When, then it needs that liner plate is arranged, to limit the relative positional relationship of each prestress wire 42.
In a kind of embodiment of the utility model, as shown in fig. 7, being connected with the first truss strutbeam on the first strut 1
200, it is connected with the second truss strutbeam 300 on the second strut 2, the structure of the first truss strutbeam 200 and the second truss strutbeam 300
Structure is identical as girder truss 100, and the second strut of the second strut 2 of the first truss strutbeam 200 and the second truss strutbeam 300
2 is same, and the lower boom 4 of the first truss strutbeam 200 is the first strut 1 of girder truss 100, under the second truss strutbeam 300
Chord member 4 is the second strut 2 of girder truss 100, to form the prefabricated PC long-span beams knot of a bilayer and larger size
Structure, certainly, prefabricated PC long-span beams structure can also be the structure of three layers or more layers, connection type with it is above-mentioned
Two layers identical, and details are not described herein.
In conclusion the prefabricated PC long-span beams structure of the utility model, web member and top boom and lower boom it
Between using hinged so that prefabricated PC long-span beams structure can scene according to use demand carries out prefabrication, scene fills
Match, it is easy for construction fast, reduce cost, and spatial volume is small, at the same use hinged joint, can guarantee web member axle center not by
Moment, reasonable stress, and integrated application assembled technology, BRB (anti-buckling constraint support) technology and prestressing technique,
And optimizing section reduces steel using amount, improves anti-seismic performance, and green construction is easy to maintenance；
The prefabricated PC long-span beams structure of the utility model, at the both ends of prefabricated PC long-span beams structure
With span centre unit, web member is replaced using anti-buckling support rod, anti-buckling support rod, which can not only effectively consume energy, enhances girder structure
Big shake seismic stability, reinforce anti-bending strength, improve anti-seismic performance, additionally it is possible to optimize section, further save space so that
Prefabricated PC long-span beams structure space flexibility with higher；
The prefabricated PC long-span beams structure of the utility model, top boom, lower boom and web member are all made of round steel pipe,
Steel pipe is accepted rationally, and the cross sectional moment of inertia in horizontal and vertical direction is equal, and anti-torsion is functional, and anti-seismic performance is good；
The prefabricated PC long-span beams structure of the utility model, each component can be produced in batches by factory, so that
Assembled in situ assembly operation is simple and convenient,
The prefabricated PC long-span beams structure of the utility model is applied to lower boom in advance by prestress wire
Precompression, to resist the tension effect of lower boom, to enhance the stress performance of optimization lower boom.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.And it should be noted that the utility model each component part
It is not limited in above-mentioned overall applicability, each technical characteristic described in the specification of the utility model can select according to actual needs
It selects one and individually uses or select the multinomial use that combines, therefore, the utility model covers and this crime in the nature of things
The related other combinations of bright point and concrete application.
Claims (10)
1. a kind of prefabricated PC long-span beams structure, which is characterized in that the prefabricated PC long-span beams structure packet
Girder truss is included, the girder truss includes:
Top boom comprising be arranged in parallel and at interval the first strut and the second strut, first strut by connector with
Second strut connects；
Lower boom, is set to the lower section of the top boom and between first strut and second strut, and institute
Lower boom is stated to be arranged in parallel with the top boom；
Multiple groups of orders member, described group of order member includes multiple web members, the neighbouring setting in the lower end of multiple web members and with it is described
Lower boom is hinged, and the upper end of a part of web member and first strut are hinged, the upper end of web member described in another part and institute
It states that the second strut is hinged, and is connected to each web member interval setting on first strut, be connected to first strut
Upper each web member interval setting.
2. prefabricated PC long-span beams structure according to claim 1, which is characterized in that
Each web member for being connected to the described group of order member at the lower boom both ends and centre is anti-buckling support rod, described
Anti-buckling support rod includes sleeve and the H profile steel energy consumption inner core that is set in the sleeve, and the sleeve and the H profile steel consume
Concrete layer can be filled between inner core.
3. prefabricated PC long-span beams structure according to claim 2, which is characterized in that
Be respectively equipped with multiple otic placodes on first strut, second strut and the lower boom, the both ends of the web member and
The both ends of the anti-buckling support rod are equipped with connecting piece that can be hinged with the otic placode.
4. prefabricated PC long-span beams structure according to claim 3, which is characterized in that
The connecting piece includes at least two and is arranged in parallel and at interval connecting plate, the otic placode can be inserted in two connecting plates it
Between, the otic placode is equipped with otic placode through-hole, and the connecting plate is equipped with connection through-hole corresponding with the otic placode through-hole, passes through
Bolt passes through the two connection through-holes and the otic placode through-hole is screwed on nut, and the connecting plate connects with the otic placode.
5. prefabricated PC long-span beams structure according to claim 4, which is characterized in that
The connecting piece further includes the fixed plate at the both ends for being connected to the web member and the both ends of the anti-buckling support rod, described
Connecting plate is connected in the fixed plate.
6. prefabricated PC long-span beams structure according to claim 1, which is characterized in that
The connector is multiple connecting rods, and the structure of the connecting rod is identical as the structure of the web member, and described in adjacent two
Have between connecting rod and is greater than 0 ° and the angle less than 180 °.
7. prefabricated PC long-span beams structure according to claim 6, which is characterized in that
The angle of angle between adjacent two connecting rod is 60 °.
8. prefabricated PC long-span beams structure according to claim 1, which is characterized in that
It is filled with non-shrinkage concrete layer in the lower boom, is embedded at least one prestressing force in the non-shrinkage concrete layer
Steel strand wires.
9. prefabricated PC long-span beams structure according to claim 1, which is characterized in that
The angle of the angle formed between the web member and the lower boom is 60 °.
10. prefabricated PC long-span beams structure according to any one of claim 1 to 9, which is characterized in that
It is connected with the first truss strutbeam on first strut, is connected with the second truss strutbeam on second strut, described
The structure of one truss strutbeam and the structure of the second truss strutbeam are identical as the girder truss, and the first truss strutbeam
The second strut and the second truss strutbeam the second strut be it is same, the lower boom of the first truss strutbeam is described
First strut of girder truss, the lower boom of the second truss strutbeam are the second strut of the girder truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821985102.3U CN209194719U (en) | 2018-11-29 | 2018-11-29 | Assembled prestressed large-span beam structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821985102.3U CN209194719U (en) | 2018-11-29 | 2018-11-29 | Assembled prestressed large-span beam structure |
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| CN209194719U true CN209194719U (en) | 2019-08-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356292A (en) * | 2018-11-29 | 2019-02-19 | 中冶京诚工程技术有限公司 | Assembled prestressed large-span beam structure |
| CN114232804A (en) * | 2021-12-31 | 2022-03-25 | 海南大学 | Large-span prefabricated assembly type structure |
| WO2023123321A1 (en) * | 2021-12-31 | 2023-07-06 | 海南大学 | Large-span prefabricated structure |
-
2018
- 2018-11-29 CN CN201821985102.3U patent/CN209194719U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356292A (en) * | 2018-11-29 | 2019-02-19 | 中冶京诚工程技术有限公司 | Assembled prestressed large-span beam structure |
| CN109356292B (en) * | 2018-11-29 | 2023-12-05 | 中冶京诚工程技术有限公司 | Assembled prestressing force large-span beam structure |
| CN114232804A (en) * | 2021-12-31 | 2022-03-25 | 海南大学 | Large-span prefabricated assembly type structure |
| WO2023123321A1 (en) * | 2021-12-31 | 2023-07-06 | 海南大学 | Large-span prefabricated structure |
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