CN208201672U - For carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge - Google Patents
For carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge Download PDFInfo
- Publication number
- CN208201672U CN208201672U CN201820764121.7U CN201820764121U CN208201672U CN 208201672 U CN208201672 U CN 208201672U CN 201820764121 U CN201820764121 U CN 201820764121U CN 208201672 U CN208201672 U CN 208201672U
- Authority
- CN
- China
- Prior art keywords
- bridge
- frame
- truss
- reinforced
- vertical bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of for carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge, it include: the first frame, it is fixedly arranged on bridge table face to be reinforced in parallel, first frame includes longitudinal rod that is parallel up and down and being oppositely arranged, it is equipped at intervals with multiple vertical bars along its length between two longitudinal rods, one side of the both ends of vertical bar respectively with two longitudinal rods close to bridge table face to be reinforced is connect, diagonal web member is provided tiltedly between any two vertical bar, the upper end of diagonal web member is connect with one of vertical bar close to the side upper end in bridge table face to be reinforced, lower end is connect with another vertical bar close to the side lower end in bridge table face to be reinforced.The truss of the utility model uses the distribution of longitudinal rod, diagonal web member, vertical bar simulating beam body inside reinforcing bar, in the girder system structure that beam body exterior configuration acts synergistically at one, structure stress is participated in make truss constitute an entirety, the stress performance of bridge is effectively improved, the shear resistance of bridge is improved.
Description
Technical field
The utility model relates to Technology Bridge Strengthening fields.More specifically, the utility model relates to one kind for steel
The truss of reinforced concrete bridge progress Shear Strengthening.
Background technique
Mainly there is Enlargement of Section for the method for bridge strengthening both at home and abroad at present, bonding steel plate method, paste FRP method, body
External prestressed method, generally according to the combined factors such as the actual state of bridge and remaining life point in realistic bridges beam strengthening design
Suitable Scheme of Strengthening is selected after analysis.It is usually expressed as bending resistance when load carrying capacity of bridge deficiency or shear resistant capacity is insufficient, when
When bridge shear resistant capacity deficiency, when reinforcing to it, bonding steel plate method pastes FRP method using more, both sides
For method compares other methods, construct more convenient, cost is relatively low.It is all to pass through that both methods, which carries out Shear Strengthening to bridge,
The shear resistant capacity that beam body hoop constraint acts on and improves bridge indirectly is improved, that is, improves the ratio of shearing resistance " stirrup ", is increased
The practical drag effect of beam body.However, the component that practical bridge central sill body is used to resist failure by shear generation is longitudinal reinforcement, coagulation
Therefore soil, bent-up bar, stirrup unilaterally paste vertical steel plate or fibrous material reinforce bridge, to practical anti-
Cut bearing power increase effect it is limited, stability is poor, required higher cost, and due to the effect of external environment, steel plate or fibre
Dimension material is easy to happen stripping damage, and globality is poor, and consolidation effect is unable to get effective guarantee, and reliability is lower.Therefore, such as
What improves Shear Strengthening efficiency and guarantees that the reliability value of Shear Strengthening obtains further exploration and research, and relevant shearing resistance adds
Solid method needs further to improve and explore.
Utility model content
One purpose of the utility model is to solve at least the above problems, and provide the advantages of at least will be described later.
There are one purposes to be to provide a kind of purlin for Reinforced Concrete Bridge progress Shear Strengthening for the utility model
Frame, it is similar " vertical at one in beam body exterior configuration using the distribution of reinforcing bar inside longitudinal rod, diagonal web member, vertical bar simulating beam body
To reinforcing bar, bent-up bar, stirrup " the girder system structure of synergistic effect, thus make truss constitute entirety participate in structure by
Power effectively improves the stress performance of bridge, improves the shear resistance of bridge.
In order to realize these purposes and other advantages according to the present utility model, provide a kind of for armored concrete
The truss of bridge progress Shear Strengthening, comprising:
First frame, is fixedly arranged on bridge table face to be reinforced in parallel, and first frame includes parallel up and down and sets relatively
The longitudinal rod set, is equipped at intervals with multiple vertical bars between two longitudinal rods along its length, the both ends of vertical bar respectively with two
One side of the longitudinal rod close to bridge table face to be reinforced connects, and is provided tiltedly with diagonal web member, oblique abdomen between any two vertical bar
The upper end of bar is connect with one of vertical bar close to the side upper end in bridge table face to be reinforced, lower end and another vertical bar are leaned on
The side lower end in bridge table face closely to be reinforced connects.
Preferably, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening, the diagonal web member and position
Angle between the longitudinal rod of lower section is 30~45 °.
Preferably, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening, the longitudinal rod, oblique abdomen
Bar, vertical bar are made of FRP material.
Preferably, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening, further includes: the second frame
The specification of frame, second frame is identical as the first frame, and the first frame and the second frame are relatively arranged on to reinforcement bridge
Apparent surface, wherein the first frame and the second frame are used to carry out between the truss of Shear Strengthening also Reinforced Concrete Bridge
Equipped with multiple connecting rods, the both ends of each connecting rod are connect with the first frame and the underlying longitudinal rod of the second frame respectively.
Preferably, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening, the connecting rod upper end
Face offers a through-hole along its length, is equipped at intervals with multiple vertical clapboards in the through-hole along its length, and vertical clapboard will
Through-hole is divided into multiple spaces, and level is equipped with horizontal baffle in each space, and the space is divided into up and down by the horizontal baffle
First chamber, the second chamber of setting, the interior multiple V-shaped stiffening plates of setting of the first chamber, two neighboring V-shaped stiffening plate
End mutually abut and formed W-shaped, the upper and lower ends of each V-shaped stiffening plate are abutted with the upper lower wall surface of first chamber, described
Elastic plate is equipped in second chamber, the elastic plate section is the sine curve in multiple periods, the elastic plate upper and lower ends point
It is not abutted with lower wall surface in second chamber.
Preferably, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening, the V-shaped stiffening plate
Angle be 30~45 °.
The utility model is include at least the following beneficial effects:
1, the utility model for Reinforced Concrete Bridge carry out Shear Strengthening truss, avoid solely to
The vertical strengthening with external bonding material in reinforcement bridge surface, but the arrangement according to reinforcing bar in beam body uses longitudinal rod, diagonal web member, vertical bar
The distribution of reinforcing bar inside simulating beam body is made in beam body exterior configuration at similar " longitudinal reinforcement, bent-up bar, stirrup " collaboration
Girder system structure effectively improves the stress of bridge so that so that truss is constituted an entirety participates in structure stress
Can, improve the shear resistance of bridge.
2, the utility model for Reinforced Concrete Bridge carry out Shear Strengthening truss, when to reinforcement bridge be T
When the web of ellbeam, it can be arranged in the web two sides of tee girder and be respectively set the first frame, the second frame, and the first frame, the
Two frame lower ends are connected by connecting rod, and this mode can make the tee girder stress after reinforcing more evenly, improve making for tee girder
Use the service life.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the utility model for carrying out the one of technical side of truss of Shear Strengthening to Reinforced Concrete Bridge
The structural schematic diagram of case；
Fig. 2 is the anchor structure schematic diagram of truss in another technical solution of the utility model；
Fig. 3 is truss reinforcement schematic diagram in another technical solution of the utility model；
Fig. 4 is the top view of connecting rod in another technical solution of the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and is not instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
As shown in figures 1-4, for carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge, comprising:
First frame, is fixedly arranged on bridge table face to be reinforced in parallel, and first frame includes parallel up and down and sets relatively
The longitudinal rod 11 set is equipped at intervals with multiple vertical bars 12, the both ends point of vertical bar 12 between two longitudinal rods 11 along its length
One side not with two longitudinal rods 12 close to bridge table face to be reinforced is connect, and is provided tiltedly between any two vertical bar 12
Diagonal web member 13, the upper end of diagonal web member 13 connect with one of vertical bar 12 close to the side upper end in bridge table face to be reinforced, under
It holds and is connect with another vertical bar 12 close to the side lower end in bridge table face to be reinforced.
First frame of the utility model includes longitudinal rod 11 disposed in parallel, is vertically arranged between longitudinal rod 11
Multiple vertical bars 12, the diagonal web member 13 between vertical bar 12, i.e. vertical bar 12 between longitudinal rod 11, diagonal web member 13,
The inclined direction of each diagonal web member 13 is consistent, is using the preceding bridge surface for determining and needing reinforcement according to the stress condition of bridge
And make truss of corresponding size, truss is anchored in bridge table face to be reinforced in parallel when in use, diagonal web member 13 be tightly attached to
The maximum diagonal web member 13 of the shear contribution is placed in inside in this way, improves the anti-of bridge to greatest extent in this way by reinforcement bridge surface
Shear ability.The anchoring process of truss is specifically write out in Fig. 2, truss is placed in parallel in bridge table face 4 to be reinforced by when use
On, truss can be pasted onto bridge table face 4 to be reinforced with epoxy resin in practice, then in two longitudinal rods 11 far from oblique abdomen
The one side of bar corresponds to longitudinal rod 11 and 13 junction of diagonal web member and covers steel plate 14, steel plate 14, longitudinal rod 11, vertical bar 12,
Diagonal web member 13 and bridge table face 4 to be reinforced are respectively provided with threaded hole, a bolt 15 pass through steel plate 14, longitudinal rod 11, vertical bar 12,
Diagonal web member 13 and the threaded hole in bridge table face 4 to be reinforced are so that bracnig frame is anchored in face to be reinforced, i.e., completion is to bridge
Shear Strengthening, and same steel plate is set so that truss is more stable in the longitudinal rod of two ends 11,12 junction of vertical bar.This
The truss of utility model avoids solely in the vertical strengthening with external bonding material in bridge table face to be reinforced, but according to reinforcing bar in beam body
Arrangement using reinforcing bar inside longitudinal rod 11, diagonal web member 13,12 simulating beam body of vertical bar distribution, in beam body exterior configuration at one
The girder system structure of a similar " longitudinal reinforcement, bent-up bar, stirrup " synergistic effect, so that truss be made to constitute an entirety ginseng
With structure stress, the stress performance of bridge is effectively improved, improves the shear resistance of bridge.
In another technical solution, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening is described
Angle between diagonal web member 13 and underlying longitudinal rod 11 is 30~45 °.By the folder between diagonal web member 13 and longitudinal rod 11
Angle is set as 30~45 °, and longitudinal rod 11, diagonal web member 13 and vertical bar 12 form operative constraint maximum, shearing resistance energy to beam body
Power is most strong.
In another technical solution, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening is described
Longitudinal rod 11, diagonal web member 13, vertical bar 12 are made of FRP material.FRP material high-strength light, corrosion resistance be strong, shear resistance
By force, FRP skeleton structure is constituted between truss, makes full use of the shear resistance of FRP material, improves consolidation effect.In another skill
It is described for carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge in art scheme, further includes: the second frame, described the
The specification of two frames is identical as the first frame, and the first frame and the second frame are relatively arranged on the apparent surface to reinforcement bridge,
Wherein, the first frame and the second frame are used to carry out Reinforced Concrete Bridge to be additionally provided with multiple companies between the truss of Shear Strengthening
Extension bar 2, the both ends of each connecting rod 2 are connect with the first frame and the underlying longitudinal rod 11 of the second frame respectively.In this skill
In art scheme, the second frame specification is identical as the first frame to refer to that the second frame also is provided with longitudinal rod 11, diagonal web member 13 and erects
To bar 12 and positional relationship, size is consistent, can be in the web two sides of tee girder when reinforcement bridge is the web of tee girder
The first frame, the second frame is respectively set in setting, and the first frame, the second frame lower end are connected by connecting rod 2, this mode
It can make the tee girder stress after reinforcing more evenly, Fig. 3, which is shown, is respectively set the first frame, second in 3 two sides of web of tee girder
The schematic diagram of frame.
In another technical solution, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening is described
Connecting rod upper surface offers a through-hole 22 along its length, be equipped at intervals with along its length in the through-hole 22 it is multiple vertically every
Through-hole is divided into multiple spaces by plate 23, vertical clapboard 23, and level is equipped with horizontal baffle 24, the horizontal baffle in each space
The space is divided into first chamber setting up and down, second chamber by 24, the multiple V-shaped stiffening plates of setting in the first chamber
25, the end of two neighboring V-shaped stiffening plate 25, which mutually abuts, forms W-shaped, the upper and lower ends of each V-shaped stiffening plate 25 and the
The upper lower wall surface of one chamber abuts, and elastic plate 26 is equipped in the second chamber, and 26 section of elastic plate is multiple periods
Sine curve, 26 upper and lower ends of elastic plate are abutted with lower wall surface in second chamber respectively.In the technical scheme, by
Through-hole 22 is opened up in connecting rod, the multiple V-shaped stiffening plates 25 of setting and elastic plate 26, are reinforced by V-shaped in this way in through-hole 22
Plate 25 and elastic plate 26 can improve the stability of tee girder with peptizaiton in the active force on the web of tee girder.
In another technical solution, the truss for being used to carry out Reinforced Concrete Bridge Shear Strengthening, the V
The angle of font stiffening plate 24 is 30~45 °.When the angle of V-shaped stiffening plate 24 is 30~45 °, to tee girder reinforce can
It is best by property.
Number of devices and treatment scale described herein are the explanations for simplifying the utility model.To the utility model
Application, modifications and variations will be readily apparent to persons skilled in the art.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. the truss for carrying out Shear Strengthening to Reinforced Concrete Bridge characterized by comprising the first frame, it is parallel
Be fixedly arranged on bridge table face to be reinforced, first frame includes longitudinal rod that is parallel up and down and being oppositely arranged, two longitudinal rods it
Between be equipped at intervals with multiple vertical bars along its length, the both ends of vertical bar are respectively with two longitudinal rods close to bridge table face to be reinforced
One side connection, diagonal web member, the upper end of diagonal web member and one of vertical bar are provided tiltedly between any two vertical bar
The connection of side upper end, lower end and another vertical bar close to bridge table face to be reinforced is under the side in bridge table face to be reinforced
End connection.
2. as described in claim 1 for carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge, which is characterized in that described
Angle between diagonal web member and underlying longitudinal rod is 30~45 °.
3. as claimed in claim 2 for carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge, which is characterized in that described
Longitudinal rod, diagonal web member, vertical bar are made of FRP material.
4. as claimed in claim 2 for carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge, which is characterized in that also wrap
Include: the specification of the second frame, second frame is identical as the first frame, and the first frame and the second frame are relatively arranged on to be added
Gu the apparent surface of bridge, wherein the first frame and the second frame are used for the purlin to Reinforced Concrete Bridge progress Shear Strengthening
Be additionally provided with multiple connecting rods between frame, the both ends of each connecting rod respectively with the first frame and the underlying longitudinal direction of the second frame
Bar connection.
5. as claimed in claim 4 for carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge, which is characterized in that described
Connecting rod upper surface offers a through-hole along its length, is equipped at intervals with multiple vertical clapboards along its length in the through-hole,
Through-hole is divided into multiple spaces by vertical clapboard, horizontal in each space to be equipped with horizontal baffle, and the horizontal baffle is by the sky
Between be divided into first chamber setting up and down, second chamber, the multiple V-shaped stiffening plates of setting, two neighboring V in the first chamber
The end of font stiffening plate, which mutually abuts, forms W-shaped, the upper and lower ends of each V-shaped stiffening plate and the upper lower wall surface of first chamber
It abuts, is equipped with elastic plate in the second chamber, the elastic plate section is the sine curve in multiple periods, on the elastic plate
Lower both ends are abutted with lower wall surface in second chamber respectively.
6. as claimed in claim 5 for carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge, which is characterized in that described
The angle of V-shaped stiffening plate is 30~45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764121.7U CN208201672U (en) | 2018-05-22 | 2018-05-22 | For carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820764121.7U CN208201672U (en) | 2018-05-22 | 2018-05-22 | For carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208201672U true CN208201672U (en) | 2018-12-07 |
Family
ID=64518049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820764121.7U Active CN208201672U (en) | 2018-05-22 | 2018-05-22 | For carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208201672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112163253A (en) * | 2020-08-31 | 2021-01-01 | 江南大学 | Method for prolonging service life of reinforced concrete member |
-
2018
- 2018-05-22 CN CN201820764121.7U patent/CN208201672U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112163253A (en) * | 2020-08-31 | 2021-01-01 | 江南大学 | Method for prolonging service life of reinforced concrete member |
| CN112163253B (en) * | 2020-08-31 | 2024-02-27 | 江南大学 | Method for prolonging service life of reinforced concrete member |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204530991U (en) | A kind of large-span prestressed arch truss and rope film combining structure | |
| CN102535679B (en) | Shear wall with dense ribs and clad steel plates | |
| CN103074959A (en) | Steel plate and high-strength concrete combination connecting beam | |
| CN110067185A (en) | A kind of steel pipe-steel plate combination web steel reinforced concrete combined box beam | |
| CN103615069A (en) | Trussed steel rib concrete coupling beam | |
| CN208201672U (en) | For carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge | |
| CN202416627U (en) | Composite steel plate shear wall | |
| CN206360399U (en) | The existing reinforced concrete coupling beam bracing means of one species " doubly-linked beam " | |
| CN204753812U (en) | Reinforced concrete frame structure | |
| CN207619818U (en) | A kind of shearing resistance composite structure of the concrete of bridge | |
| CN212613034U (en) | Arch truss supporting large-span cable net structure | |
| CN203080799U (en) | Coupling beam combining steel plates and high-strength concrete | |
| CN107938498A (en) | Assembled steel bridge pier and assembly type gate-type steel bridge pier | |
| CN207121993U (en) | The hinged joint that a kind of reinforced concrete frame structure bracing members are reinforced | |
| CN208329174U (en) | space folded plate steel truss structure | |
| CN206144237U (en) | Prefabricated assembled large -scale steel structure rectangle storehouse and rectangle crowd storehouse | |
| CN207933878U (en) | Assembled steel bridge pier and assembly type gate-type steel bridge pier | |
| CN203669204U (en) | Trussed steel reinforced concrete coupling beam | |
| CN207160244U (en) | A kind of assembled steel reinforced concrete column steel reinforced concrete girder connection | |
| CN102852249B (en) | A kind of modified Coupled Shear Wall structure | |
| CN104153630A (en) | Transition connection method of hybrid wind power towers | |
| CN108659789A (en) | Method for carrying out Shear Strengthening to Reinforced Concrete Bridge | |
| CN106499053A (en) | A kind of assembled integral pre-stressed concrete frame structure connection member | |
| CN207812834U (en) | A kind of damping combined beam structure | |
| CN209053456U (en) | The bracing means of frame structure node region |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |