CN208039001U - Steel reinforced concrete arch ring chord member construction, steel truss arch and the bridge of a kind of steel truss arch - Google Patents
Steel reinforced concrete arch ring chord member construction, steel truss arch and the bridge of a kind of steel truss arch Download PDFInfo
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- CN208039001U CN208039001U CN201820408574.6U CN201820408574U CN208039001U CN 208039001 U CN208039001 U CN 208039001U CN 201820408574 U CN201820408574 U CN 201820408574U CN 208039001 U CN208039001 U CN 208039001U
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Abstract
The utility model discloses a kind of steel reinforced concrete arch ring chord member construction of steel truss arch, steel truss arch and bridges, the construction includes clean steel construction, combined structure and steel reinforced concrete construction, combined structure includes clean steel section, clean steel section connects changeover portion, changeover portion connects steel reinforced concrete section, changeover portion is to have hollow steel box structure with dissection, the full concrete structure of filling in interlayer, bearing plate is equipped between clean steel section and changeover portion, isolation board is equipped between changeover portion and steel reinforced concrete section, clean steel section connects clean steel construction, and steel reinforced concrete section connects steel reinforced concrete construction.It is constructed with chord member, effectively, connectivity problem that is economic, easily solving steel truss arch arch ring clean steel section and concrete segment, by the changeover portion connecting structure of steel reinforced concrete, the internal force Transmit evenly of clean steel section can be given to steel reinforced concrete section, finally be transferred to skewback basis, so that steel and the common stress of concrete, stress is clear, and the horizontal vertical rigidity of large-span steel braced arch can be improved, and reduces steel weight, mitigate the transport difficulty and installation difficulty of steel rod elements, better economy.
Description
Technical field
The utility model is related to technical field of bridge engineering, more particularly to a kind of steel reinforced concrete arch ring chord member construction of steel truss arch,
Steel truss is encircleed and bridge.
Background technology
Steel concrete composite structure (abbreviation steel and concrete structure) is by two kinds of materials of different nature of steel and concrete through group
A kind of new structure made of conjunction is the reasonable combination of two kinds of materials of steel and concrete, given full play to steel tensile strength it is high,
The advantage that plasticity is good and concrete anti-compression performance is good, makes up disadvantage respective each other；In modern bridge structure, steel reinforced concrete combination knot
Structure increasingly becomes one of the Main way of bridge development, currently, steel-concrete combined structure on bridge generally in cable-stayed bridge suspension cable
Using more on bridge girder or bridge tower, the steel truss arch of steel arch bridge it is upper it is existing by arch ring chord member as stiff skeleton then in chord member
The steel-concrete combined structure of external wrapping concrete, but chord member Cheng Qiaohou does not rise by force effect, and steel cannot make full use of, and need to be arranged
External wrapping concrete is perfused in template, and cost is higher, economy is poor.
Utility model content
The purpose of the utility model is to overcome the existing steel truss arch in the presence of the prior art is upper existing by arch ring chord member
As stiff skeleton then in the steel-concrete combined structure of chord member external wrapping concrete, but chord member Cheng Qiaohou does not rise by force effect, steel
It cannot make full use of, and template need to be set external wrapping concrete is perfused, the poor above-mentioned deficiency of economy provides a kind of steel truss arch
Steel reinforced concrete arch ring chord member construction, steel truss arch and bridge.
In order to realize that above-mentioned purpose of utility model, the utility model provide following technical scheme：
A kind of steel reinforced concrete arch ring chord member construction of steel truss arch, including clean steel construction, combined structure and steel reinforced concrete construction, the combination
Construction includes clean steel section, and the clean steel section connects changeover portion, and the changeover portion connects steel reinforced concrete section, and the changeover portion is with interlayer
Hollow steel box structure, the full concrete structure of filling, is equipped with pressure-bearing between the clean steel section and the changeover portion in the interlayer
Plate, is equipped with isolation board between the changeover portion and the steel reinforced concrete section, the clean steel section connects the clean steel construction, the steel reinforced concrete section
Connect the steel reinforced concrete construction.
Wherein, the steel reinforced concrete section be solid steel and concrete structure, the clean steel section, the changeover portion and the steel reinforced concrete section axis
Center line crosses.
It is constructed using chord member described in the utility model, effectively, economy, easily solves clean steel described in steel truss arch arch ring
The connectivity problem of construction and concrete construction, by the combined structure of steel reinforced concrete, the internal force that can construct the clean steel is uniform
Ground passes to the steel reinforced concrete construction, is finally transferred to skewback basis so that steel and the common stress of concrete, stress is clear, can
The horizontal vertical rigidity of large-span steel braced arch is improved, steel weight is reduced, mitigates the transport difficulty and installation difficulty of steel rod elements, it is economical
Property is preferable.
Preferably, the changeover portion includes outer case, described several longitudinally disposed ribbed stiffeners of outer case inner surface, described
Longitudinally disposed mean moves towards setting along what the chord member constructed, and each ribbed stiffener end connects panelling, adjacent institute
There is the panelling to be in turn connected to form hollow internal box, the region between the internal box and the outer case forms the folder
Layer.
Preferably, the steel reinforced concrete section includes outer case, described several longitudinally disposed ribbed stiffeners of outer case inner surface.
Preferably, the clean steel section includes outer case, described several longitudinally disposed ribbed stiffeners of outer case inner surface, each
The ribbed stiffener end connects panelling.
Preferably, the outer case is rectangular configuration, and the outer case includes top plate, web and bottom plate.
Preferably, the outer case is formed by welding between the top plate, web and bottom plate.
Preferably, the top plate of the changeover portion is equipped at least one concrete pouring hole, the institute of the steel reinforced concrete section
It states top plate and is equipped at least one concrete pouring hole.
Preferably, several diaphragm plates are equipped in the outer case.
Preferably, the outer case inner surface is equipped with several WELDING STUDSs, and the outer case is integrally connected with concrete,
The ribbed stiffener is equipped with several PBL shear connectors, reinforces the connection of steel construction and concrete, to enhance whole stress.
Preferably, the hollow parts of the changeover portion are variable section structure, connect the transition of clean steel section side
Section hollow parts section is big, and the changeover portion hollow parts section for connecting steel reinforced concrete section side is small.
Using this structure setting, the internal force gradual change Transmit evenly of the clean steel section is enabled to act on the transition
Section, and then the steel reinforced concrete section is passed to until arch springing, makes overall structure stress transmit uniform, ensure the stability of structure.
The utility model additionally provides a kind of steel truss arch, includes at least three chord member constructions as described in any of the above item,
Each chord member construction includes that steel reinforced concrete construction, combined structure, clean steel construction, combined structure and steel reinforced concrete construct five parts successively
It is formed by connecting, the axis centre line of each part crosses, several connecting rods are equipped between the two neighboring chord member construction.
Encircleed using steel truss described in the utility model, chord member construction therein is effective, economy, easily solves steel truss arch
Clean steel construction described in arch ring can be by the clean steel structure by the combined structure of steel reinforced concrete with the connectivity problem of concrete construction
The internal force Transmit evenly made is constructed to the steel reinforced concrete, is finally transferred to skewback basis so that steel and the common stress of concrete,
Stress is clear, and the horizontal vertical rigidity of large-span steel braced arch can be improved, and reduces steel weight, mitigates the transport difficulty and peace of steel rod elements
Fill difficulty, better economy.
Preferably, the corresponding end of each chord member each of structurally changeover portion is located at same perpendicular
It is interior.
Using this structure setting, the stress substantially uniform one of the upper each chord member construction of the steel truss arch is enabled to
It causes, increases integrally-built bearing capacity, work well.
The utility model additionally provides a kind of bridge, encircles using the steel truss as described in any of the above item, and the steel truss arch is logical
Cross pillar, tie-rod or suspension cable connection beam portion.
Using bridge described in the utility model, chord member construction therein is effective, economy, easily solves steel truss arch arch
The clean steel can be constructed by the combined structure of steel reinforced concrete by enclosing the connectivity problem of the clean steel construction and concrete construction
Internal force Transmit evenly give steel reinforced concrete construction, be finally transferred to skewback basis so that steel and the common stress of concrete, by
Power is clear, and the horizontal vertical rigidity of large-span steel braced arch can be improved, and reduces steel weight, mitigates transport difficulty and the installation of steel rod elements
Difficulty, better economy.
Preferably, the bridge is Deck Arch Bridges, half-through arch bridge or lower bearing arch bridge.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
1, constructed with chord member described in the utility model, effectively, it is economical, easily solve it is pure described in steel truss arch arch ring
The connectivity problem of steel construction and concrete construction, by the combined structure of steel reinforced concrete, the internal force that can construct the clean steel is equal
The steel reinforced concrete construction is passed to evenly, is finally transferred to skewback basis so that steel and the common stress of concrete, stress is clear,
The horizontal vertical rigidity of large-span steel braced arch can be improved, reduce steel weight, mitigate the transport difficulty and installation difficulty of steel rod elements, pass through
Ji property is preferable；
2, it is constructed with chord member described in the utility model, the hollow parts of the changeover portion are variable section structure, connection
The changeover portion hollow parts section of clean steel section side is big, connects the changeover portion hollow part of steel reinforced concrete section side
Partial cross-section is small, using this structure setting, the internal force gradual change Transmit evenly of the clean steel section is enabled to act on the mistake
Section is crossed, and then passes to the steel reinforced concrete section until arch springing, makes overall structure stress transmit uniform, ensure the stability of structure；
3, encircle with steel truss described in the utility model, chord member construction therein is effective, economy, easily solves steel truss
The connectivity problem for encircleing clean steel construction and concrete construction described in arch ring can be by the clean steel by the combined structure of steel reinforced concrete
The internal force Transmit evenly of construction gives steel reinforced concrete construction, is finally transferred to skewback basis so that steel and concrete jointly by
Power, stress is clear, and the horizontal vertical rigidity of large-span steel braced arch can be improved, and reduces steel weight, mitigates the transport difficulty of steel rod elements
And installation difficulty, better economy；
4, encircle with steel truss described in the utility model, the correspondence of each chord member each of structurally changeover portion
End be located in same perpendicular, using this structure setting, enable to the upper each chord member structure of the steel truss arch
The stress made is substantially uniform consistent, increases integrally-built bearing capacity, works well；
5, with bridge described in the utility model, chord member construction therein is effective, economy, easily solves steel truss arch
Clean steel construction described in arch ring can be by the clean steel structure by the combined structure of steel reinforced concrete with the connectivity problem of concrete construction
The internal force Transmit evenly made is constructed to the steel reinforced concrete, is finally transferred to skewback basis so that steel and the common stress of concrete,
Stress is clear, and the horizontal vertical rigidity of large-span steel braced arch can be improved, and reduces steel weight, mitigates the transport difficulty and peace of steel rod elements
Fill difficulty, better economy.
Description of the drawings
Fig. 1 is the structural schematic diagram of chord member described in the utility model construction；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 be Fig. 1 A-A to structural schematic diagram；
Fig. 4 is the structural schematic diagram of the B-B direction of Fig. 1；
Fig. 5 is the C-C sectional views of Fig. 1；
Fig. 6 is the D-D sectional views of Fig. 1；
Fig. 7 is the E-E sectional views of Fig. 1；
Fig. 8 is the F-F sectional views of Fig. 1；
Fig. 9 is the structural schematic diagram of the steel truss arch and bridge described in utility model.
It is marked in figure：01- clean steel constructs, 02- combined structures, 03- steel reinforced concretes construction, 1- clean steel sections, 2- changeover portions, the tops 21-
Plate, 22- webs, 23- bottom plates, 24- ribbed stiffeners, 25- panellings, 26- WELDING STUDSs, 27-PBL shear connectors, 28- pouring holes, 3- steel reinforced concretes
Section, 4- interlayers, 5- bearing plates, 6- isolation boards, 7- diaphragm plates, 8- bolts, 9- connecting rods.
Specific implementation mode
The utility model is described in further detail with reference to test example and specific implementation mode.But it should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to embodiment below, all to be realized based on the utility model content
Technology belongs to the scope of the utility model.
Embodiment 1
As shown in figures 1-8, the steel reinforced concrete arch ring chord member construction of a kind of steel truss arch described in the utility model, including clean steel construction
01, combined structure 02 and steel reinforced concrete construction 03.
The combined structure 02 includes clean steel section 1, and the clean steel section 1 connects changeover portion 2, and the changeover portion 2 connects steel reinforced concrete
Section 3, the changeover portion 2 are the hollow steel box structure with interlayer 4, and full concrete structure, the clean steel are filled in the interlayer 4
It is equipped with bearing plate 5 between section 1 and the changeover portion 2, isolation board 6 is equipped between the changeover portion 2 and the steel reinforced concrete section 3, it is described
Clean steel section 1 connects the clean steel construction 01, and the steel reinforced concrete section 3 connects the steel reinforced concrete construction 03.
Wherein, the steel reinforced concrete section 3 is solid steel and concrete structure, the clean steel section 1, the changeover portion 2 and the steel reinforced concrete section 3
Axis centre line crosses.
As a preferred embodiment of the present embodiment, the changeover portion 2 includes outer case, and the outer case inner surface is longitudinal
Several ribbed stiffeners 24 are set, and longitudinally disposed mean moves towards setting along what the chord member constructed, each described to put more energy into
24 end of rib connects panelling 25, and adjacent all panellings 25 are in turn connected to form hollow internal box, the internal box and
Region between the outer case forms the interlayer 4, and the steel reinforced concrete section 3 includes outer case, and the outer case inner surface is longitudinal
Several ribbed stiffeners 24 are set, and the clean steel section 1 includes outer case, described several longitudinally disposed ribbed stiffeners of outer case inner surface
24, each 24 end of the ribbed stiffener connects panelling 25, and the outer case is rectangular configuration, the outer case include top plate 21,
Web 22 and bottom plate 23 form the outer case, the changeover portion between the top plate 21, web 22 and bottom plate 23 by welding
2 top plate 21 is equipped at least one concrete pouring hole 28, and the top plate 21 of the steel reinforced concrete section 3 is equipped at least one
A concrete pouring hole 28, the outer case is interior to be equipped with several diaphragm plates 7, and the outer case inner surface is sheared equipped with several
Nail 26, the outer case is integrally connected with concrete, and the ribbed stiffener 24 is equipped with several PBL shear connectors 27, reinforces steel
The connection of structure and concrete, to enhance whole stress, the hollow parts of the changeover portion 2 are variable section structure, described in connection
The 2 hollow parts section of the changeover portion of 1 side of clean steel section is big, connects 2 hollow part of the changeover portion of 3 side of steel reinforced concrete section
Partial cross-section is small, using this structure setting, the internal force gradual change Transmit evenly of the clean steel section 1 is enabled to act on the mistake
Section 2 is crossed, and then passes to the steel reinforced concrete section 3 up to arch springing, so that overall structure stress is transmitted uniform, ensures the stability of structure,
The clean steel section 1 connects the clean steel construction 01 by the bolt 8 of high intensity, and the steel reinforced concrete section 3 is connected by the bolt 8 of high intensity
Connect the steel reinforced concrete construction 03.
It is constructed with chord member described in the utility model, effectively, economy, easily solves clean steel described in steel truss arch arch ring
The connectivity problem of construction 01 and concrete construction can be constructed the clean steel in 01 by the combined structure 02 of steel reinforced concrete
Power Transmit evenly constructs 03 to the steel reinforced concrete, is finally transferred to skewback basis so that steel and the common stress of concrete, stress
It is clear, the horizontal vertical rigidity of large-span steel braced arch can be improved, reduce steel weight, transport difficulty and the installation for mitigating steel rod elements are difficult
Degree, better economy.
Embodiment 2
As shown in figure 9, a kind of steel truss arch described in the utility model, including four chord member constructions as described in Example 1.
Each chord member construction includes steel reinforced concrete construction 03, combined structure 02, clean steel construction 01, combined structure 02 and steel reinforced concrete
It constructs 03 5 parts to be connected in sequence, the axis centre line of each part crosses, and the chord member described in four constructs to form square
Shape structure, the two neighboring chord member are equipped with several connecting rods 9 between constructing.
As a preferred embodiment of the present embodiment, the correspondence of each chord member each of structurally changeover portion 2
End be located in same perpendicular, using this structure setting, enable to the upper each chord member structure of the steel truss arch
The stress made is substantially uniform consistent, increases integrally-built bearing capacity, works well.
Encircle with steel truss described in the utility model, chord member construction therein is effective, economy, easily solves steel truss arch
Clean steel construction 01 and the connectivity problem of concrete construction described in arch ring can will be described pure by the combined structure 02 of steel reinforced concrete
The internal force Transmit evenly of steel construction 01 constructs 03 to the steel reinforced concrete, is finally transferred to skewback basis so that steel and concrete
Common stress, stress is clear, and the horizontal vertical rigidity of large-span steel braced arch can be improved, and reduces steel weight, mitigates the fortune of steel rod elements
Defeated difficulty and installation difficulty, better economy.
Embodiment 3
As shown in figure 9, a kind of bridge described in the utility model, encircles using steel truss as described in Example 2.
As a preferred embodiment of the present embodiment, the bridge is Deck Arch Bridges, and the steel truss arch is connected by pillar
Connect beam portion.
With bridge described in the utility model, chord member construction therein is effective, economy, easily solves steel truss arch arch
The connectivity problem for enclosing the clean steel construction 01 and concrete construction can be by the clean steel by the combined structure 02 of steel reinforced concrete
The internal force Transmit evenly of construction 01 constructs 03 to the steel reinforced concrete, is finally transferred to skewback basis so that steel are total with concrete
Same stress, stress is clear, and the horizontal vertical rigidity of large-span steel braced arch can be improved, and reduces steel weight, mitigates the transport of steel rod elements
Difficulty and installation difficulty, better economy.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of steel reinforced concrete arch ring chord member construction of steel truss arch, which is characterized in that including clean steel construction (01), combined structure (02) and
Steel reinforced concrete constructs (03), and the combined structure (02) includes clean steel section (1), clean steel section (1) the connection changeover portion (2), the mistake
Section (2) connection steel reinforced concrete section (3) is crossed, the changeover portion (2) is the hollow steel box structure with interlayer (4), is filled out in the interlayer (4)
Full of concrete structure, between the clean steel section (1) and the changeover portion (2) be equipped with bearing plate (5), the changeover portion (2) and
Isolation board (6) is equipped between the steel reinforced concrete section (3), the clean steel section (1) connects the clean steel construction (01), the steel reinforced concrete section
(3) the steel reinforced concrete construction (03) is connected.
2. chord member construction according to claim 1, which is characterized in that the changeover portion (2) includes outer case, the outer container
Several ribbed stiffeners (24) are arranged in internal surface longitudinal, each ribbed stiffener (24) end connection panelling (25), adjacent institute
There is the panelling (25) to be in turn connected to form hollow internal box, the region between the internal box and the outer case forms institute
State interlayer (4).
3. chord member construction according to claim 1, which is characterized in that the steel reinforced concrete section (3) includes outer case, the outer container
Several ribbed stiffeners (24) are arranged in internal surface longitudinal.
4. chord member construction according to claim 1, which is characterized in that the clean steel section (1) includes outer case, the outer container
Several ribbed stiffeners (24) are arranged in internal surface longitudinal, each ribbed stiffener (24) end connection panelling (25).
5. being constructed according to claim 2-4 any one of them chord members, which is characterized in that the outer case is rectangular configuration, institute
It includes top plate (21), web (22) and bottom plate (23) to state outer case.
6. being constructed according to claim 2-4 any one of them chord members, which is characterized in that it is horizontal to be equipped with several in the outer case
Partition board (7).
7. being constructed according to claim 2-3 any one of them chord members, which is characterized in that the outer case inner surface is equipped with several
The outer case is integrally connected by a WELDING STUDS (26) with concrete, and the ribbed stiffener (24) is equipped with several PBL shear connectors
(27)。
8. being constructed according to claim 1-4 any one of them chord members, which is characterized in that the hollow parts of the changeover portion (2)
For variable section structure, the changeover portion (2) the hollow parts section for connecting clean steel section (1) side is big, connects the steel reinforced concrete
The changeover portion (2) hollow parts section of section (3) side is small.
9. a kind of steel truss arch, which is characterized in that constructed including at least three such as claim 1-8 any one of them chord members, often
A chord member construction includes steel reinforced concrete construction (03), combined structure (02), clean steel construction (01), combined structure (02) and steel reinforced concrete structure
It makes (03) five part to be connected in sequence, several connecting rods (9) is equipped between the two neighboring chord member construction.
10. a kind of bridge, which is characterized in that application steel truss as claimed in claim 9 is encircleed, and the steel truss arch passes through pillar, is
Bar or suspension cable connect beam portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820408574.6U CN208039001U (en) | 2018-03-23 | 2018-03-23 | Steel reinforced concrete arch ring chord member construction, steel truss arch and the bridge of a kind of steel truss arch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820408574.6U CN208039001U (en) | 2018-03-23 | 2018-03-23 | Steel reinforced concrete arch ring chord member construction, steel truss arch and the bridge of a kind of steel truss arch |
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| CN208039001U true CN208039001U (en) | 2018-11-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265613A (en) * | 2018-03-23 | 2018-07-10 | 中铁二院工程集团有限责任公司 | A kind of steel reinforced concrete arch ring chord member construction of steel truss arch |
| CN110900083A (en) * | 2019-12-16 | 2020-03-24 | 武船重型工程股份有限公司 | Device and method for installing and positioning short joint of web member of steel truss girder |
| CN111501523A (en) * | 2020-04-30 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Transverse node structure of railway steel truss arch |
| CN113652946A (en) * | 2021-08-20 | 2021-11-16 | 广州市市政工程设计研究总院有限公司 | Curved beam space arch combined system foot bridge |
| CN114250690A (en) * | 2022-01-25 | 2022-03-29 | 山东省交通规划设计院集团有限公司 | Steel-concrete combined arch support suitable for concrete-filled steel tube arch bridge |
| CN114875769A (en) * | 2021-07-22 | 2022-08-09 | 长沙理工大学 | Prefabricated hollow sandwich concrete-filled steel tube arch bridge and construction method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265613A (en) * | 2018-03-23 | 2018-07-10 | 中铁二院工程集团有限责任公司 | A kind of steel reinforced concrete arch ring chord member construction of steel truss arch |
| CN110900083A (en) * | 2019-12-16 | 2020-03-24 | 武船重型工程股份有限公司 | Device and method for installing and positioning short joint of web member of steel truss girder |
| CN110900083B (en) * | 2019-12-16 | 2023-01-31 | 武船重型工程股份有限公司 | Steel truss web short joint installation positioning device and positioning method |
| CN111501523A (en) * | 2020-04-30 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Transverse node structure of railway steel truss arch |
| CN114875769A (en) * | 2021-07-22 | 2022-08-09 | 长沙理工大学 | Prefabricated hollow sandwich concrete-filled steel tube arch bridge and construction method thereof |
| CN113652946A (en) * | 2021-08-20 | 2021-11-16 | 广州市市政工程设计研究总院有限公司 | Curved beam space arch combined system foot bridge |
| CN114250690A (en) * | 2022-01-25 | 2022-03-29 | 山东省交通规划设计院集团有限公司 | Steel-concrete combined arch support suitable for concrete-filled steel tube arch bridge |
| CN114250690B (en) * | 2022-01-25 | 2023-11-21 | 山东省交通规划设计院集团有限公司 | Steel-concrete combined arch base suitable for steel pipe concrete arch bridge |
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