CN107460833A - For improving the system of continuous beam bridge bearing capacity and bridge containing the system - Google Patents
For improving the system of continuous beam bridge bearing capacity and bridge containing the system Download PDFInfo
- Publication number
- CN107460833A CN107460833A CN201710740920.0A CN201710740920A CN107460833A CN 107460833 A CN107460833 A CN 107460833A CN 201710740920 A CN201710740920 A CN 201710740920A CN 107460833 A CN107460833 A CN 107460833A
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- Prior art keywords
- girder
- bridge
- crossbeam
- arch rib
- extension
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
The present invention relates to science of bridge building field, disclose a kind of system for improving continuous beam bridge bearing capacity, including at least one pair of arch rib, more crossbeams and the vertically arranged suspension rods of Duo Gen, two arch ribs in each pair arch rib are parallel and are set in distance, the arch rib is used to set along bridge longitudinal direction, and two arch ribs in each pair arch rib are respectively symmetrically located at bridge main beam both sides；The crossbeam is along the laterally homogeneous setting of arch rib longitudinal direction, and the downside that the crossbeam is used to be arranged at girder is so that the both ends of crossbeam overhang to form extension to the girder；A suspension rod, one end connection extension of the suspension rod are fixed on each extension of every crossbeam, the other end connects the arch rib of homonymy.The invention also discloses a kind of bridge of the system containing for improving continuous beam bridge bearing capacity.The present invention can be effectively improved the rigidity of structure of continuous bridge, improve the bearing capacity of bridge.
Description
Technical field
The present invention relates to science of bridge building field, and in particular to it is a kind of be used for improve continuous beam bridge bearing capacity system and
A kind of bridge of the system containing for improving continuous beam bridge bearing capacity.
Background technology
Prestressed concrete Continuous Bridge or continuous steel frame bridge on multiple spaced apart bridge piers and bridge pier by placing
Steel truss girder form, meanwhile, hole straddle type bridge due to it is easy for construction, set up that the used time is short and the plurality of advantages such as cost is low, in public affairs
Road, railway bridge erection in be widely adopted.
But continuous beam bridge is during use, because bridge pier is unique stress point, the load-bearing on bridge can be complete
Portion is conducted to bridge pier, if things go on like this, main so as to cause the girder part at bridge pier different with the girder part stress at non-bridge pier
Beam will be because of unbalance stress and to whole girder structure and intensity produce damage, produce bridge deck concrete cracking, disturb under span centre
Substantially, the disease such as rigidity of structure decline, the service life of bridge is influenceed.
The content of the invention
For defect present in prior art, it is used to improve continuous bridge joist support it is an object of the invention to provide one kind
The system of loading capability, simple in construction, easy to install, the present invention also provides a kind of contain for improving continuous bridge load bearing beam
The bridge of the system of ability, the rigidity of structure of continuous bridge can be effectively improved, improve the bearing capacity of bridge.
To achieve the above objectives, the present invention adopts the technical scheme that, including：
At least one pair of arch rib, two arch ribs in each pair arch rib are parallel and are set in distance, and the arch rib is used for along bridge
Longitudinal direction is set, and two arch ribs in each pair arch rib are respectively symmetrically located at bridge main beam both sides；
More crossbeams, along the laterally homogeneous setting of arch rib longitudinal direction, the crossbeam is used to be arranged at girder the crossbeam
Downside is so that the both ends of crossbeam overhang to form extension to the girder；
More vertically arranged suspension rods, a suspension rod, one end of the suspension rod are fixed on each extension of every crossbeam
Extension is connected, the other end connects the arch rib of homonymy.
On the basis of above-mentioned technical proposal, in addition at least two anchorage beams, the anchorage beam are used in interval
The downside of girder is horizontally set at, and the both ends of anchorage beam overhang to form anchoring beam extension to the girder, it is described
The arch springing of arch rib is fixed on the anchoring beam extension.
On the basis of above-mentioned technical proposal, the crossbeam and anchorage beam are concrete structure.
On the basis of above-mentioned technical proposal, the length of the crossbeam and anchorage beam is all higher than the width of the girder.
On the basis of above-mentioned technical proposal, it is arranged under the lower surface and girder of girder lower crossbeam and anchorage beam
Surface is contour.
The invention also discloses a kind of bridge of the system containing for improving continuous beam bridge bearing capacity, including：
Girder, being set in distance below the girder has multiple bridge piers；
At least one pair of arch rib, the arch rib is set along girder longitudinal direction, and two arch ribs in each pair arch rib are right respectively
Title is located at girder both sides；
More crossbeams, the laterally homogeneous setting of longitudinal direction of the crossbeam along arch rib, and the crossbeam is arranged at girder
The downside and both ends of crossbeam overhang to form extension to the girder, fixes one on each extension of every crossbeam and hangs
Bar, one end connection extension of the suspension rod, the other end connect the arch rib of homonymy；
More vertically arranged suspension rods, a suspension rod, one end of the suspension rod are fixed on each extension of every crossbeam
Connect arch rib, other end connection extension.
On the basis of above-mentioned technical proposal, the downside of the girder is at least additionally provided with two anchorage beams, the anchoring
Crossbeam is horizontally set at the downside of girder in interval, and the both ends of anchorage beam overhang to the girder and to form anchoring beam and stretch
Go out portion, each arch springing of the arch rib is fixed on an anchoring beam extension of homonymy.
On the basis of above-mentioned technical proposal, the crossbeam and anchorage beam are concrete structure.
On the basis of above-mentioned technical proposal, the length of the crossbeam and anchorage beam is all higher than the width of the girder.
On the basis of above-mentioned technical proposal, crossbeam below the girder and under the lower surface and girder of anchorage beam
Surface is contour.
Compared with prior art, the present invention is a kind of is used to be the advantages of improving the system of continuous beam bridge bearing capacity：
Whole system is simple in construction, and installation process is simple, so as to which the simple transformation to bridge is that the total stress of bridge can be achieved
Change, so as to effectively strengthen bridge service life.
A kind of the advantages of bridge containing the system for improving continuous beam bridge bearing capacity of the present invention, is, passes through
Arch rib is set up in existing bridge structure both sides, and crossbeam is fixedly installed in the downside of girder, in the crossbeam and arch rib that bridge is set up
Between tensioning suspension rod, realize the transformation to bridge, arch rib is main primary structure member, by the suspension rod of tensioning by girder
Dead load be transferred on arch rib, realize the load-carrying of the common carrying bridge floor of arch rib and girder, form arch rib and girder is jointly uniform
The arch of stress-beam combined system, effectively improves to the stress of girder.
Brief description of the drawings
Fig. 1 is a kind of structural representation for being used to improve the system of continuous beam bridge bearing capacity of the present invention；
Fig. 2 is a kind of structural representation of the bridge of the system containing for improving continuous beam bridge bearing capacity of the present invention
Figure；
Fig. 3 is a kind of sectional view of the bridge of the system containing for improving continuous beam bridge bearing capacity of the present invention.
In figure：1- arch ribs, 2- crossbeams, 3- suspension rods, 4- anchorage beams, 5- girders, 6- extensions.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Shown in Figure 1, the present invention provides a kind of system for improving continuous beam bridge bearing capacity, is answered applied to pre-
Power concrete continuous bridge or continuous steel frame bridge, for improving the stress state of bridge and improving the rigidity of structure of bridge, from
And lift the bearing capacity and service life of bridge.
The system for being used to improve continuous beam bridge bearing capacity of the present invention specifically includes at least one pair of arch rib 1, more horizontal strokes
Beam 2 and the vertically arranged suspension rods 3 of Duo Gen.Two arch ribs 1 in each pair arch rib 1 are parallel and are set in distance, and arch rib 1 is used for along bridge
Beam longitudinal direction is set, and two arch ribs 1 in each pair arch rib 1 are respectively symmetrically located at the both sides of bridge main beam 5, in the process used
In, the logarithm using arch rib 1 is determined according to the size of bridge, according to multipair arch rib 1, then along the longitudinal direction of girder 5 between each pair arch rib 1
The continuously distributed arrangement in direction, two arch ribs 1 in each pair arch rib 1 are symmetrically set in the both sides of girder 5.
Crossbeam 2 is laterally located at the lower section of arch rib 1 along the laterally homogeneous setting of the longitudinal direction of arch rib 1, i.e. crossbeam 2, and crossbeam 2 is used for
The downside of girder 5 is arranged at so that the both ends of crossbeam 2 overhang to form extension 6 to girder 5, i.e. crossbeam 2 makes on bridge
Used time, crossbeam 2 is arranged at the downside of girder 5, and the both ends of crossbeam 2 overhang to form extension 6 to girder 5, i.e., each horizontal
Beam 2 includes two extensions 6, facilitates the setting of follow-up suspension rod 3.One is fixed on each extension 6 of every crossbeam 2 to hang
Bar 3, one end connection extension 6 of suspension rod 3, the other end connects the arch rib 1 of homonymy, when in use, by suspension rod 3, by the He of arch rib 1
Girder 5 is linked to be a complete structure stress system.
The system for being used to improve continuous beam bridge bearing capacity of the present invention also includes at least two anchorage beams 4, anchors
Crossbeam 4 is used for the downside that girder 5 is horizontally set in interval, and the both ends of anchorage beam 4 overhang to form anchoring to girder 5
Beam extension, the arch springing of arch rib 1 are fixed on anchoring beam extension, the anchoring of the anchorage beam 4 by being arranged at the lower section of girder 5
Arch rib 1 is fixed beam extension, i.e., arch rib 1 directly can both be fixed during use between girder 5, also may be used
It is fixed with the anchorage beam 4 set by the lower section of girder 5 with girder 5, it is preferred that using consolidating for arch rib 1 and anchorage beam 4
Determine mode.
Crossbeam 2 and anchorage beam 4 are concrete structure.The length of crossbeam 2 and anchorage beam 4 is all higher than the girder 5
Width.Lower surface and the lower surface of girder 5 for being arranged in the lower crossbeam 2 of girder 5 and anchorage beam 4 are contour.Crossbeam 2 and anchoring
Crossbeam 4 is formed by way of pouring, and is then attached fixation by rear anchor technology and girder 5.
The system for improving continuous beam bridge bearing capacity of the present invention, it is simple in construction, installed during use
Set simply, realize the transformation to bridge structure stress system, lift the bearing capacity and service life of bridge.
Referring to shown in Fig. 2 and Fig. 3, the present invention also provides a kind of to be used to improve continuous beam bridge bearing capacity containing above-mentioned
The bridge of system, bridge are specially prestressed concrete Continuous Bridge or continuous steel frame bridge, and of the invention containing is used to improve
It is vertical that the bridge of the system of continuous beam bridge bearing capacity specifically includes girder 5, at least one pair of arch rib 1, more crossbeams 2 and Duo Gen
The suspension rod 3 of setting.
The lower section of girder 5, which is set in distance, multiple bridge piers.Arch rib 1 is set along the longitudinal direction of girder 5, and each pair arch rib 1
In two arch ribs 1 be respectively symmetrically located at the both sides of girder 5, during use, according to the size of bridge determine use arch rib 1
Logarithm, according to multipair arch rib 1, then between each pair arch rib 1 along the continuously distributed arrangement of the longitudinal direction of girder 5, in each pair arch rib 1
Two arch ribs 1 are symmetrically set in the both sides of girder 5.The laterally homogeneous setting of longitudinal direction of the crossbeam 2 along arch rib 1, and crossbeam 2 is arranged at master
The downside of the beam 5 and both ends of crossbeam 2 overhang to form extension 6 to girder 5, it is solid on each extension 6 of every crossbeam 2
A fixed suspension rod 3, one end connection extension 6 of suspension rod 3, the other end connect the arch rib 1 of homonymy.It is arranged between arch rib 1 and crossbeam 2
Suspension rod 3 need to carry out tensioning.To ensure the structural strength of arch rib 1, arch rib 1 is steel construction.
The downside of girder 5 is at least additionally provided with two anchorage beams 4, and anchorage beam 4 is horizontally set under girder 5 in interval
Side, and the both ends of anchorage beam 4 overhang to form anchoring beam extension to girder 5, each arch springing of arch rib 1 is fixed on homonymy
One anchoring beam extension on.The number of anchorage beam 4 is determined by the number of arch rib 1, ensures that each arch springing of arch rib 1 is fixed on
On one anchoring beam extension.
Crossbeam 2 and anchorage beam 4 are concrete structure.The length of crossbeam 2 and anchorage beam 4 is all higher than the width of girder 5
Degree.The crossbeam 2 of the lower section of girder 5 and the lower surface of anchorage beam 4 and the lower surface of girder 5 are contour, ensure the navigational clearance of bridge.
Crossbeam 2 and anchorage beam 4 are formed by way of pouring, and are then attached fixation by rear anchor technology and girder 5.
The bridge for containing the system for being used to improve continuous beam bridge bearing capacity of the present invention, by existing bridge structure
Arch rib 1 is set up in both sides, and crossbeam 2, the tensioning suspension rod between the crossbeam 2 and arch rib 1 that bridge is set up is fixedly installed in the downside of girder 5
3, the transformation to bridge is realized, arch rib 1 is main primary structure member, by the suspension rod 3 of tensioning by the dead load of girder 5
Be transferred on arch rib 1, realize the load-carrying of the common carrying bridge floor of arch rib 1 and girder 5, formed arch rib 1 and girder 5 it is common uniformly by
The arch of power-beam combined system, effectively improves to the stress of girder 5, suppresses downwarp, improves stress state, lifts bridge
Service life.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
- A kind of 1. system for improving continuous beam bridge bearing capacity, it is characterised in that including：At least one pair of arch rib (1), two arch ribs (1) in each pair arch rib (1) are parallel and are set in distance, and the arch rib (1) is used Set in along bridge longitudinal direction, and two arch ribs (1) in each pair arch rib (1) are respectively symmetrically located at bridge main beam (5) both sides；More crossbeams (2), along the laterally homogeneous setting of arch rib (1) longitudinal direction, the crossbeam (2) is used to set the crossbeam (2) In the downside of girder (5) so that the both ends of crossbeam (2) overhang to form extension (6) to the girder (5)；More vertically arranged suspension rods (3), a suspension rod (3) is fixed on each extension (6) of every crossbeam (2), it is described to hang One end connection extension (6) of bar (3), the other end connect the arch rib (1) of homonymy.
- A kind of 2. system for improving continuous beam bridge bearing capacity as claimed in claim 1, it is characterised in that：Also include At least two anchorage beams (4), the anchorage beam (4) is used for the downside that girder (5) are horizontally set in interval, and anchors horizontal The both ends of beam (4) overhang to form anchoring beam extension to the girder (5), and the arch springing of the arch rib (1) is fixed on described Anchor on beam extension.
- A kind of 3. system for improving continuous beam bridge bearing capacity as claimed in claim 2, it is characterised in that：The horizontal stroke Beam (2) and anchorage beam (4) are concrete structure.
- A kind of 4. system for improving continuous beam bridge bearing capacity as claimed in claim 2, it is characterised in that：The horizontal stroke The length of beam (2) and anchorage beam (4) is all higher than the width of the girder (5).
- A kind of 5. system for improving continuous beam bridge bearing capacity as claimed in claim 1, it is characterised in that：It is arranged in The lower surface and the lower surface of girder (5) of girder (5) lower crossbeam (2) and anchorage beam (4) are contour.
- A kind of 6. bridge of the system containing for improving continuous beam bridge bearing capacity, it is characterised in that including：Girder (5), being set in distance below the girder (5) has multiple bridge piers；At least one pair of arch rib (1), the arch rib (1) are set along girder (5) longitudinal direction, and two arches in each pair arch rib (1) Rib (1) is respectively symmetrically located at girder (5) both sides；More crossbeams (2), longitudinal direction laterally homogeneous setting of the crossbeam (2) along arch rib (1), and the crossbeam (2) are set Overhang to form extension (6) to the girder (5) in the downside of girder (5) and the both ends of crossbeam (2), every crossbeam (2) Each extension (6) on fix a suspension rod (3), one end connection extension (6) of the suspension rod (3), other end connection is same The arch rib (1) of side；More vertically arranged suspension rods (3), a suspension rod (3) is fixed on each extension (6) of every crossbeam (2), it is described to hang One end connection arch rib (1) of bar (3), other end connection extension (6).
- 7. a kind of bridge of the system containing for improving continuous beam bridge bearing capacity as claimed in claim 6, its feature It is：The downside of the girder (5) is at least additionally provided with two anchorage beams (4), and the anchorage beam (4) is laterally set in interval In the downside of girder (5), and the both ends of anchorage beam (4) overhang to form anchoring beam extension to the girder (5), described Each arch springing of arch rib (1) is fixed on an anchoring beam extension of homonymy.
- 8. a kind of bridge of the system containing for improving continuous beam bridge bearing capacity as claimed in claim 7, its feature It is：The crossbeam (2) and anchorage beam (4) are concrete structure.
- 9. a kind of bridge of the system containing for improving continuous beam bridge bearing capacity as claimed in claim 7, its feature It is：The length of the crossbeam (2) and anchorage beam (4) is all higher than the width of the girder (5).
- 10. a kind of bridge of the system containing for improving continuous beam bridge bearing capacity as claimed in claim 7, its feature It is：The lower surface and the lower surface of girder (5) of crossbeam (2) and anchorage beam (4) below the girder (5) are contour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740920.0A CN107460833A (en) | 2017-08-25 | 2017-08-25 | For improving the system of continuous beam bridge bearing capacity and bridge containing the system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740920.0A CN107460833A (en) | 2017-08-25 | 2017-08-25 | For improving the system of continuous beam bridge bearing capacity and bridge containing the system |
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|---|---|
| CN107460833A true CN107460833A (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740920.0A Pending CN107460833A (en) | 2017-08-25 | 2017-08-25 | For improving the system of continuous beam bridge bearing capacity and bridge containing the system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172894A (en) * | 2019-08-20 | 2020-05-19 | 向儒学 | Technology for reinforcing concrete beam type bridge by using separated steel pipe arch prestressed sling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH083937A (en) * | 1994-06-09 | 1996-01-09 | Kajima Corp | Repair method for existing bridge |
| CN104264594A (en) * | 2014-09-10 | 2015-01-07 | 北京工业大学 | Self-balancing tied arch system for improving bearing force of PSC continuous box girder bridge and reinforcing method by applying self-balancing tie bar arch system |
| CN204174518U (en) * | 2014-09-02 | 2015-02-25 | 武汉二航路桥特种工程有限责任公司 | A kind of bridge floor truss-like instrument boom system |
| CN104652242A (en) * | 2015-02-01 | 2015-05-27 | 北京工业大学 | Derrick connecting structure used for reinforcing PSC (Pre-stressed Concrete) continuous box girder bridge and construction method |
-
2017
- 2017-08-25 CN CN201710740920.0A patent/CN107460833A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH083937A (en) * | 1994-06-09 | 1996-01-09 | Kajima Corp | Repair method for existing bridge |
| CN204174518U (en) * | 2014-09-02 | 2015-02-25 | 武汉二航路桥特种工程有限责任公司 | A kind of bridge floor truss-like instrument boom system |
| CN104264594A (en) * | 2014-09-10 | 2015-01-07 | 北京工业大学 | Self-balancing tied arch system for improving bearing force of PSC continuous box girder bridge and reinforcing method by applying self-balancing tie bar arch system |
| CN104652242A (en) * | 2015-02-01 | 2015-05-27 | 北京工业大学 | Derrick connecting structure used for reinforcing PSC (Pre-stressed Concrete) continuous box girder bridge and construction method |
Non-Patent Citations (1)
| Title |
|---|
| 鲍卫刚: "预应力混凝土连续梁桥维修与加固技术", 《公路》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172894A (en) * | 2019-08-20 | 2020-05-19 | 向儒学 | Technology for reinforcing concrete beam type bridge by using separated steel pipe arch prestressed sling |
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Application publication date: 20171212 |