CN208685424U - Spelling fills precast concrete beam bridge superstructure - Google Patents
Spelling fills precast concrete beam bridge superstructure Download PDFInfo
- Publication number
- CN208685424U CN208685424U CN201821081692.7U CN201821081692U CN208685424U CN 208685424 U CN208685424 U CN 208685424U CN 201821081692 U CN201821081692 U CN 201821081692U CN 208685424 U CN208685424 U CN 208685424U
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- precast concrete
- guardrail
- spliced
- attachment base
- connection
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Abstract
A kind of spelling dress precast concrete beam bridge superstructure, including Precast Concrete Box Girder monomer, precast concrete guardrail and bridge deck pavement, Precast Concrete Box Girder monomer includes Precast Concrete Box Girder ontology, flange plate is equipped in Precast Concrete Box Girder ontology top plate two sides, horizontally-spliced rigidized preform is embedded in flange plate, Precast Concrete Box Girder monomer further includes diaphragm plate, diaphragm plate splicing rigidized preform is embedded in diaphragm plate, the both ends of Precast Concrete Box Girder ontology are embedded with longitudinal spliced rigidized preform；Adjacent Precast Concrete Box Girder monomer is lateral, longitudinal spliced；Precast concrete guardrail connects Precast Concrete Box Girder monomer, and guardrail, which connects, is equipped with guardrail locking nut on bolt.The structure can eliminate cast-in-place concrete and hogging moment presstressed reinforcing steel of the precast concrete beam bridge superstructure during connection construction, realize the spelling dress of each component of superstructure.
Description
Technical field
The utility model belongs to civil engineering bridge technology field, fills precast concrete beam bridge more particularly to a kind of spelling
Superstructure.
Background technique
In bridge construction, since its structure is simple, technical maturity sets up convenience, economic cost for prefabricated small box girder and T beam
Low advantage is widely used in the Simply supported non-uniform beam bridge superstructure of Mid and minor spans.Currently, prefabricated small box girder and T beam
It after the completion of erection, needs: 1) lateral connection being realized by bar splicing, the wet seam of cast-in-place concrete；2) pass through bar splicing, pier
It pushes up cast-in-place concrete and the realization of tensioning hogging moment presstressed reinforcing steel is longitudinally connected；3) bridge is realized by embedded bar and cast-in-place concrete
Beam guards making；4) freely-supported is generally wanted to continuous system transition: 1. installing temporary support in middle pier；2. hoisting prefabricated small case
Beam or T beam；3. installing permanent support；4. pier top cast-in-place concrete construction, tensioning hogging moment presstressed reinforcing steel；5. removing interim branch
Seat, realizes the system transition of Simply supported non-uniform.There are many process needed when cast-in-place concrete, including reinforcing bar is bound, template is installed,
Concrete vibrating and maintenance, demoulding and etc.；Concrete could be used to reach design at the same time it is also necessary to expend a large amount of curing times
Intensity.Hogging moment tension of prestressed tendon then passes through the processes such as pre-buried pipeline, professional equipment tensioning, anchoring and slip casting, it is necessary to specially
Industry personnel operation, while required somewhat expensive.
It follows that conventional precast concrete beam bridge superstructure during Cheng Qiao there are long in time limit, large labor intensity,
The limitations such as working efficiency is low, seriously polluted, strongly professional, expense is more.The purpose of this utility model seeks to eliminate prefabricated
Cast-in-place concrete and hogging moment presstressed reinforcing steel of the concrete beam bridge superstructure during connection construction realize that superstructure is each
The spelling of component fills.
Summary of the invention
The utility model is to solve technical problem present in well-known technique and provide a kind of spelling dress precast concrete beam
Bridge superstructure.The structure can eliminate cast-in-place concrete of precast concrete beam bridge superstructure during connection construction and
Hogging moment presstressed reinforcing steel realizes the spelling dress of each component of superstructure.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique:
A kind of spelling dress precast concrete beam bridge superstructure, including several Precast Concrete Box Girder monomers, bridge top
The precast concrete guardrail and bridge deck pavement of structure both sides of the edge setting, it is characterised in that: the Precast Concrete Box Girder list
Body includes Precast Concrete Box Girder ontology, flange plate is equipped in Precast Concrete Box Girder ontology top plate two sides, in the flange plate
It is embedded with horizontally-spliced rigidized preform, the horizontally-spliced rigidized preform includes horizontally-spliced built-in connection and laterally spells
Joint chair in succession, horizontally-spliced built-in connection and horizontally-spliced attachment base are fixed together, the horizontally-spliced built-in connection
It is formed with flange plate formed by integrally casting；The horizontally-spliced attachment base is located at flange plate lateral surface, on the horizontally-spliced attachment base
Vertically it is equipped with lateral connection hole；
The Precast Concrete Box Girder monomer further includes diaphragm plate, and it is pre- that diaphragm plate splicing rigidity is embedded in the diaphragm plate
Product, the diaphragm plate splicing rigidized preform include diaphragm plate splicing built-in connection and diaphragm plate splicing attachment base, tabula
Plate splicing built-in connection and diaphragm plate splicing attachment base are fixed together, the diaphragm plate splicing built-in connection and diaphragm plate
Formed by integrally casting molding；The diaphragm plate splicing attachment base is located at diaphragm plate lateral surface, level on the diaphragm plate splicing attachment base
Equipped with lateral connection hole；
The both ends of the Precast Concrete Box Girder ontology are embedded with longitudinal spliced rigidized preform, described longitudinal spliced rigid
Property prefabricated component includes longitudinal spliced built-in connection and longitudinal spliced attachment base, longitudinal spliced built-in connection and longitudinal spliced company
Joint chair is fixed together；The longitudinal spliced built-in connection and Precast Concrete Box Girder ontology formed by integrally casting form；It is described vertical
It is equipped with longitudinally connected hole in the horizontal direction on splicing attachment base；
The precast concrete guardrail include guardrail ontology, guardrail ontology lower part be embedded with guardrail connection prefabricated component, institute
Stating guardrail connection prefabricated component includes guardrail built-in connection and guardrail attachment base, the guardrail built-in connection and guardrail ontology one
Body pouring molding, the guardrail attachment base are located at the lower section of guardrail ontology, and the lower section of guardrail attachment base is equipped with guardrail connecting hole；
The adjacent horizontally-spliced place of Precast Concrete Box Girder ontology is additionally provided with splice plate, lower splice plate, upper splicing steel plate
It is equipped with mounting hole corresponding with lateral connection hole on horizontally-spliced attachment base with lower splice plate, is coated in mounting hole and laterally connects
Connecting bolt, the upper and lower splice plate of lateral connection bolt-through, and lateral locking screw is fitted on lateral connection bolt
It is female；
Preceding splice plate, rear splice plate, preceding splice plate and rear splicing are additionally provided on adjacent Precast Concrete Box Girder diaphragm plate
Plate is equipped with mounting hole corresponding with lateral connection hole on diaphragm plate splicing attachment base, is coated with diaphragm plate connection spiral shell in mounting hole
Bolt, the diaphragm plate connects the forward and backward splice plate of bolt-through, and lateral locking nut is fitted on lateral connection bolt；
Horizontal longitudinally connected spiral shell is coated between the longitudinal spliced attachment base of adjacent Precast Concrete Box Girder body end
Bolt is equipped with longitudinal locking nut on the longitudinally connected bolt；
The horizontally-spliced attachment base of edge Precast Concrete Box Girder ontology is connected into bolt and precast concrete by guardrail
The connection of guardrail attachment base, the guardrail, which connects, is equipped with guardrail locking nut on bolt.
The utility model can also use following technical measures:
The longitudinal spliced attachment base is rectangle steel box structure, is equipped between longitudinally connected hole adjacent in rectangle steel case
Stiffener plate.
The guardrail attachment base is rectangle steel box structure.
The utility model has the advantages and positive effects of: the utility model by adopting the above technical scheme, with each component
Between bolt assembly replace the complex processes such as cast-in-place concrete, tensioning hogging moment presstressed reinforcing steel and system transition, avoid existing
The reinforcing bar of pouring concrete in the construction process is bound, template is installed, concrete vibrating and maintenance, the processes such as demoulding avoid negative
The processes such as the duct of moment of flexure presstressed reinforcing steel in the construction process is pre-buried, professional equipment tensioning, anchoring and slip casting, avoid freely-supported change
Stress system transformation in continuous process.The utility model breaches the work of current prefabricated small box girder or T beam during Cheng Qiao
The limitations such as phase length, large labor intensity, working efficiency are low, seriously polluted, strongly professional, expense is more.
Detailed description of the invention
Fig. 1 is the lateral splicing structure schematic diagram of the utility model；
Fig. 2 is the rearview of Fig. 1；
Fig. 3 is longitudinal splicing structure schematic diagram of the utility model；
Fig. 4 is Precast Concrete Box Girder monomer structure schematic diagram；
Fig. 5 is precast concrete guard bar structure schematic diagram.
In figure: 1, Precast Concrete Box Girder monomer；1-1, Precast Concrete Box Girder ontology；1-2, flange plate；1-3, transverse direction
Splice rigidized preform；1-30, horizontally-spliced built-in connection；1-31, horizontally-spliced attachment base；1-32, lateral connection hole；1-
4, longitudinal spliced rigidized preform；1-40, longitudinal spliced built-in connection；1-41, longitudinal spliced attachment base；1-42, Zong Xianglian
Connect hole；2, precast concrete guardrail；2-1, guardrail ontology；2-2, guardrail connect prefabricated component；2-20, guardrail built-in connection；2-
21, guardrail attachment base；2-22, guardrail connecting hole；3, deck paving；4, upper splice plate；4-1, mounting hole；5, lower splice plate；5-
1, mounting hole；6, lateral connection bolt；6-1, lateral locking nut；7, longitudinally connected bolt；7-1, longitudinal locking nut；8, it protects
Column connects bolt；8-1, guardrail locking nut；9-0, diaphragm plate；9-1, diaphragm plate splice rigidized preform；9-11, diaphragm plate are spelled
Connect built-in connection；9-12, diaphragm plate splice attachment base；9-13, lateral connection hole；10, preceding splice plate；10-1, mounting hole；
11, rear splice plate；11-1, mounting hole.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing:
Please refer to Fig. 1 to Fig. 5, a kind of spelling dress precast concrete beam bridge superstructure, by several Precast Concrete Box Girders
Monomer 1 is spliced, and precast concrete guardrail 2, bridge deck pavement 3, the precast concrete case is arranged in bridge floor both sides of the edge
Beam monomer 1 includes Precast Concrete Box Girder ontology 1-1, is equipped with flange plate 1-2, institute in Precast Concrete Box Girder ontology top plate two sides
It states and is embedded with horizontally-spliced rigidized preform 1-3 in flange plate, the horizontally-spliced rigidized preform 1-3 includes horizontally-spliced pre-
Connector 1-30 and horizontally-spliced attachment base 1-31 are buried, horizontally-spliced built-in connection 1-30 and horizontally-spliced attachment base 1-31 are solid
It is scheduled on together, horizontally-spliced built-in connection 1-30 and horizontally-spliced attachment base 1-31 can both weld together, can also be horizontal
It is connected to splicing built-in connection 1-30 across the side wall of horizontally-spliced attachment base 1-31 by locking nut；It is described horizontally-spliced
Built-in connection 1-30 and flange plate 1-2 formed by integrally casting form；The horizontally-spliced attachment base 1-31 is located at flange plate lateral surface,
Lateral connection hole 1-32 is vertically equipped on the horizontally-spliced attachment base；
The Precast Concrete Box Girder monomer 1 further includes diaphragm plate 9-0, and it is rigid that diaphragm plate splicing is embedded in the diaphragm plate
Property prefabricated component 9-1, diaphragm plate splicing rigidized preform 9-1 includes that diaphragm plate splicing built-in connection 9-11 and diaphragm plate are spelled
Joint chair 9-12 in succession, diaphragm plate splicing built-in connection 9-11 and diaphragm plate splicing attachment base 9-12 are fixed together, diaphragm plate
Splicing built-in connection 9-11 and diaphragm plate splicing attachment base 9-12 can weld together, and diaphragm plate can also be spliced pre-
The side wall that connector 9-11 is buried across diaphragm plate splicing attachment base 9-12 is locked by locking nut；The diaphragm plate splicing is pre-buried
Connector 9-11 and diaphragm plate 9-0 formed by integrally casting form；The diaphragm plate splicing attachment base 9-12 is located at diaphragm plate lateral surface, institute
It states horizontal equipped with lateral connection hole 9-13 on diaphragm plate splicing attachment base；
The both ends of the Precast Concrete Box Girder ontology are embedded with longitudinal spliced rigidized preform 1-4, longitudinal spelling
Meeting rigidized preform 1-4 includes longitudinal spliced built-in connection 1-40 and longitudinal spliced attachment base 1-41, longitudinal spliced pre-buried company
Fitting 1-40 and longitudinal spliced attachment base 1-41 are fixed together, longitudinal spliced built-in connection 1-40 and longitudinal spliced attachment base
1-41 can weld together, and longitudinal spliced built-in connection 1-40 can also be passed through and longitudinal spliced attachment base 1-41 is right
It is fastened together afterwards with locking nut；The longitudinal spliced built-in connection 1-40 and Precast Concrete Box Girder ontology 1-1
Formed by integrally casting molding；Longitudinally connected hole 1-42 is equipped on the longitudinal spliced attachment base 1-41 in the horizontal direction；
The precast concrete guardrail 2 is embedded with guardrail connection prefabricated component including the lower part of guardrail ontology 2-1, guardrail ontology
2-2, the guardrail connection prefabricated component 2-2 includes guardrail built-in connection 2-20 and guardrail attachment base 2-21, the pre-buried connection of guardrail
Part 2-20 and guardrail attachment base 2-21 are fixed together, and guardrail built-in connection 2-20 and guardrail attachment base 2-21 can both be adopted
With welding, guardrail built-in connection 2-20 can also be passed through into guardrail attachment base 2-21 and then be locked by locking nut, it is described
Guardrail built-in connection 2-20 and guardrail ontology 2-1 formed by integrally casting form, and the connecting piece for guard rail 2-20 is located at guardrail ontology 2-1
Lower section, the lower section of guardrail attachment base is equipped with guardrail connecting hole 2-22；
The adjacent horizontally-spliced place Precast Concrete Box Girder ontology 1-1 is additionally provided with splice plate 4, lower splice plate 5, upper splicing
Plate and lower splice plate are equipped with mounting hole 4-1,5-1 corresponding with lateral connection hole on horizontally-spliced attachment base, wear in mounting hole
Equipped with lateral connection bolt 6, the upper and lower splice plate of lateral connection bolt-through, and be fitted on lateral connection bolt
Lateral locking nut 6-1；
Preceding splice plate 10, rear splice plate 11 are additionally provided on adjacent diaphragm plate 9-0, preceding splice plate and rear splice plate are equipped with
With lateral connection hole corresponding mounting hole 10-1,11-1 on diaphragm plate splicing attachment base, diaphragm plate connection is coated in mounting hole
Bolt 12, the diaphragm plate connects the forward and backward splice plate of bolt-through, and lateral locking screw is fitted on lateral connection bolt
Female 12-1；
Longitudinally connected spiral shell is coated between the longitudinal spliced attachment base 1-41 of adjacent Precast Concrete Box Girder body end
Bolt 7 is equipped with longitudinal locking nut 7-1 on the longitudinally connected bolt；
The upper surface of horizontally-spliced attachment base 1-31 on the Precast Concrete Box Girder ontology at edge is connected by guardrail
Bolt 8 connects the guardrail attachment base 2-21 of precast concrete guardrail, is equipped with guardrail locking nut 8- on the guardrail connection bolt 8
1。
The utility model can also use following technical measures:
The longitudinal spliced attachment base 1-41 is rectangle steel box structure, between longitudinally connected hole adjacent in rectangle steel case
Equipped with stiffener plate 1-43.
The guardrail attachment base 2-21 is rectangle steel box structure.
The utility model also provides a kind of construction method based on above-mentioned spelling dress precast concrete beam bridge superstructure, packet
Include following steps:
1) in factory Precast Concrete Box Girder monomer, upper splice plate, lower splice plate, preceding splice plate, rear splice plate and
Precast concrete guardrail；
2) by Precast Concrete Box Girder monomer, upper splice plate, lower splice plate, preceding splice plate, rear splice plate and prefabricated mixed
Solidifying soil guardrail is transported to scene；
3) Precast Concrete Box Girder monomer is lifted to bridge pier bearing pad using lifting appliance, according to transverse direction after consolidating
Splice Precast Concrete Box Girder monomer one by one；In splicing, the tabula of the adjacent Precast Concrete Box Girder monomer of direction across bridge
Plate splices the front surface of attachment base and rear surface places preceding splice plate and rear splice plate, then using on diaphragm plate connection bolt
Preceding splice plate, rear splice plate and adjacent diaphragm plate splicing attachment base are fastenedly connected by lateral locking nut；
4) complete diaphragm plate it is horizontally-spliced after, the horizontally-spliced attachment base of adjacent Precast Concrete Box Girder monomer it is upper
Upper splice plate and lower splice plate are placed in surface and lower surface, then using the lateral locking nut on lateral connection bolt by upper spelling
Fishplate bar, lower splice plate and adjacent horizontally-spliced attachment base are fastenedly connected；
5) complete first across it is horizontally-spliced after, carry out along the longitudinal direction it is adjacent across Precast Concrete Box Girder monomer cross
Partition is assembled and laterally assembled, and the longitudinal spliced attachment base of adjacent Precast Concrete Box Girder monomer is tight by longitudinally connected bolt
It is solidly connected；In splicing adjacent Precast Concrete Box Girder monomer lateral connection according to step 3) and step 4) direction into
Row is horizontally-spliced；Until completing the box girder assembling of entire superstructure；
6) upper surface of the horizontally-spliced attachment base on the Precast Concrete Box Girder ontology at edge connects spiral shell by guardrail
The guardrail attachment base for connecing precast concrete guardrail is tethered, the installation of precast concrete guardrail is completed；
7) it is to be assembled be fully completed after, bridge deck pavement is laid on Precast Concrete Box Girder.
The utility model replaces cast-in-place concrete, tensioning by adopting the above technical scheme, with the bolt assembly between each component
The complex processes such as hogging moment presstressed reinforcing steel and system transition, avoid cast-in-place concrete in the construction process reinforcing bar binding, mould
It is pre- to avoid the duct of hogging moment presstressed reinforcing steel in the construction process for plate installation, concrete vibrating and maintenance, the processes such as demoulding
It buries, professional equipment tensioning, the processes such as anchoring and slip casting, avoids the stress system transformation during Simply supported non-uniform.This is practical
The novel long in time limit, large labor intensity for breaching current prefabricated small box girder during Cheng Qiao, working efficiency be low, it is seriously polluted,
The strongly professional, limitations such as expense is more.The utility model can also be applied to the beam body that T beam, I-beam etc. have flange plate
Concatenation construction during Cheng Qiao.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (3)
1. a kind of spelling fills precast concrete beam bridge superstructure, including several Precast Concrete Box Girder monomers, bridge top knot
The precast concrete guardrail and bridge deck pavement of structure both sides of the edge setting, it is characterised in that: the Precast Concrete Box Girder monomer
Including Precast Concrete Box Girder ontology, flange plate is equipped in Precast Concrete Box Girder ontology top plate two sides, it is pre- in the flange plate
It is embedded with horizontally-spliced rigidized preform, the horizontally-spliced rigidized preform includes horizontally-spliced built-in connection and horizontally-spliced
Attachment base, horizontally-spliced built-in connection and horizontally-spliced attachment base are fixed together, the horizontally-spliced built-in connection with
The molding of flange plate formed by integrally casting；The horizontally-spliced attachment base is located at flange plate lateral surface, hangs down on the horizontally-spliced attachment base
Directly it is equipped with lateral connection hole；
The Precast Concrete Box Girder monomer further includes diaphragm plate, and it is prefabricated that diaphragm plate splicing rigidity is embedded in the diaphragm plate
Part, the diaphragm plate splicing rigidized preform include diaphragm plate splicing built-in connection and diaphragm plate splicing attachment base, diaphragm plate
Splicing built-in connection and diaphragm plate splicing attachment base are fixed together, the diaphragm plate splicing built-in connection and diaphragm plate one
Body pouring molding；The diaphragm plate splicing attachment base is located at diaphragm plate lateral surface, and level is set on the diaphragm plate splicing attachment base
There is lateral connection hole；
The both ends of the Precast Concrete Box Girder ontology are embedded with longitudinal spliced rigidized preform, and the longitudinal spliced rigidity is pre-
Product includes longitudinal spliced built-in connection and longitudinal spliced attachment base, longitudinal spliced built-in connection and longitudinal spliced attachment base
It is fixed together；The longitudinal spliced built-in connection and Precast Concrete Box Girder ontology formed by integrally casting form；Longitudinal spelling
It is equipped with longitudinally connected hole on joint chair in the horizontal direction in succession；
The precast concrete guardrail include guardrail ontology, guardrail ontology lower part be embedded with guardrail connection prefabricated component, the shield
It includes guardrail built-in connection and guardrail attachment base that column, which connects prefabricated component, and the guardrail built-in connection is integrally poured with guardrail ontology
Type is built up, the guardrail attachment base is located at the lower section of guardrail ontology, and the lower section of guardrail attachment base is equipped with guardrail connecting hole；
The adjacent horizontally-spliced place of Precast Concrete Box Girder ontology is additionally provided with splice plate, lower splice plate, upper splice plate and lower spelling
Fishplate bar is equipped with mounting hole corresponding with lateral connection hole on horizontally-spliced attachment base, is coated with lateral connection spiral shell in mounting hole
Bolt, the upper and lower splice plate of lateral connection bolt-through, and lateral locking nut is fitted on lateral connection bolt；
Preceding splice plate, rear splice plate are additionally provided on adjacent Precast Concrete Box Girder diaphragm plate, on preceding splice plate and rear splice plate
Equipped with mounting hole corresponding with lateral connection hole on diaphragm plate splicing attachment base, it is coated with diaphragm plate connection bolt in mounting hole,
The diaphragm plate connects the forward and backward splice plate of bolt-through, and lateral locking nut is fitted on lateral connection bolt；
Horizontal longitudinally connected bolt, institute are coated between the longitudinal spliced attachment base of adjacent Precast Concrete Box Girder body end
It states and is equipped with longitudinal direction locking nut on longitudinally connected bolt；
The horizontally-spliced attachment base of edge Precast Concrete Box Girder ontology is connected into bolt and precast concrete guardrail by guardrail
Attachment base connection, the guardrail, which connects, is equipped with guardrail locking nut on bolt.
2. spelling according to claim 1 fills precast concrete beam bridge superstructure, it is characterised in that: described longitudinal spliced
Attachment base is rectangle steel box structure, and stiffener plate is equipped between longitudinally connected hole adjacent in rectangle steel case.
3. spelling according to claim 1 fills precast concrete beam bridge superstructure, it is characterised in that: the guardrail connection
Seat is rectangle steel box structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821081692.7U CN208685424U (en) | 2018-07-09 | 2018-07-09 | Spelling fills precast concrete beam bridge superstructure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821081692.7U CN208685424U (en) | 2018-07-09 | 2018-07-09 | Spelling fills precast concrete beam bridge superstructure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208685424U true CN208685424U (en) | 2019-04-02 |
Family
ID=65880578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821081692.7U Expired - Fee Related CN208685424U (en) | 2018-07-09 | 2018-07-09 | Spelling fills precast concrete beam bridge superstructure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208685424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589507A (en) * | 2018-07-09 | 2018-09-28 | 河北工业大学 | Spelling fills precast concrete beam bridge superstructure and its construction method |
| CN114991026A (en) * | 2022-06-02 | 2022-09-02 | 广州大学 | Simply-supported-to-continuous reinforcement structure and reinforcement method for old bridge |
-
2018
- 2018-07-09 CN CN201821081692.7U patent/CN208685424U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589507A (en) * | 2018-07-09 | 2018-09-28 | 河北工业大学 | Spelling fills precast concrete beam bridge superstructure and its construction method |
| CN108589507B (en) * | 2018-07-09 | 2023-11-14 | 河北工业大学 | Full-assembled precast concrete beam bridge superstructure and construction method thereof |
| CN114991026A (en) * | 2022-06-02 | 2022-09-02 | 广州大学 | Simply-supported-to-continuous reinforcement structure and reinforcement method for old bridge |
| CN114991026B (en) * | 2022-06-02 | 2023-09-22 | 广州大学 | Old bridge simply supported variable continuous reinforcement structure and reinforcement method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |