CN107700345A - A kind of wet seam anticorrosion construction method of steel-concrete combination beam and purposes - Google Patents
A kind of wet seam anticorrosion construction method of steel-concrete combination beam and purposes Download PDFInfo
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- CN107700345A CN107700345A CN201710966849.8A CN201710966849A CN107700345A CN 107700345 A CN107700345 A CN 107700345A CN 201710966849 A CN201710966849 A CN 201710966849A CN 107700345 A CN107700345 A CN 107700345A
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- 239000004567 concrete Substances 0.000 title claims abstract description 73
- 238000010276 construction Methods 0.000 title claims abstract description 42
- 238000005260 corrosion Methods 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 21
- 239000003822 epoxy resin Substances 0.000 claims abstract description 18
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 30
- 238000009408 flooring Methods 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 8
- 239000011376 self-consolidating concrete Substances 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 6
- 230000035882 stress Effects 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 2
- 230000001458 anti-acid effect Effects 0.000 claims description 2
- 239000007767 bonding agent Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 239000003223 protective agent Substances 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims description 2
- 239000013535 sea water Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 238000005530 etching Methods 0.000 abstract description 3
- 230000002421 anti-septic effect Effects 0.000 abstract description 2
- 239000004593 Epoxy Substances 0.000 abstract 1
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011210 fiber-reinforced concrete Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/067—Flat continuous joints cast in situ
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of wet seam anticorrosion construction method of steel-concrete combination beam, it is characterised in that this method contacts bottom surface anti-corrosion, wet seam cast-in-place concrete anti-corrosion and wet joint concrete top three parts of anti-corrosion with girder steel including prefabricated bridge.A kind of wet seam anticorrosion construction method of described steel-concrete combination beam, the prefabricated bridge, which contacts bottom surface anti-corrosion part with girder steel, includes the high-strength fast epoxy anticorrosion mortar admittedly of high-elastic mould antiseptic rubber bar and bottom surface, it is characterized in that, high-elastic mould rubber strip is being pasted inside girder steel top flange plate edge and wet seam around WELDING STUDS, it is main that two effects are provided：First, blocking external agency enters the etching channels of interface internal by contact gap of the prefabricated bridge with girder steel；Masterplate is poured second, being provided for the high-strength fast epoxy resin mortar admittedly in bottom surface.The purposes of the wet seam anticorrosion construction method of steel-concrete combination beam is to be available for wet seam anti-corrosion structure measure during the steel-concrete combination beam fabricated construction of coastal area.
Description
Technical field
The present invention relates to technical field of bridge engineering, and in particular to a kind of wet seam anticorrosive construction of steel-concrete composite beam
Method and purposes.
Background technology
During steel-concrete composite beam prefabricated construction, wet seam is by the prefabricated bridge and girder steel of assembling
The integral key of Mesh connection, and the WELDING STUDS at wet seam interface is even more to transmit interface shear stress to make the important of the two overall stress
Component.But the interface gaps and concrete cracking of wet seam and new and old faying face closely do not cause the WELDING STUDS at interface to hold very much
Easily receive the effect of environmental corrosion.
China《Composite Steel-Concrete Bridges design specification GB50917-2013》Middle clear stipulaties are " when floorings use in advance
During reinforced concrete bridge deck plate processed, measure should be used to make closely connected between prefabricated board and girder steel, meet waterproof requirement ", simultaneously《Highway steel
Mixed combined bridge design and construction specification JTG/T D64-01-2015》In on also being provided in steel reinforced concrete contact surface durability Design
" should prevent contact surface from coming to nothing from concrete configuration, detailing requiments and construction technology etc. ".Thus, it could be seen that coagulated for steel reinforced concrete
Native combination beam combination interface carries out Anti-corrosion design to ensure that the durability of structure is an indispensable design link.
The WELDING STUDS at wet seam interface is the key member for ensureing combination beam combined effect, is to be embedded in work progress
In wet joint concrete, after construction, it is impossible to change easily.Under corrosive environment, it is not to protect by corrosion to ensure WELDING STUDS
Structure safety and durable key are demonstrate,proved, for some river-spanning bridges over strait, realizes the structure service life of 100 years more
It is to require to carry out durability Design and protection for the critical component of structure, and seals steel only with general rubber strip at present
The method in mixed gap can not reach design effect, for combination beam wet joint concrete cracking and new-old concrete contact surface
Uncompacted situation does not have anti-corrosion meaning, is mixed in consideration of it, wet seam anti-corrosion method proposed by the present invention is divided into steel reinforced concrete interface, inside
Solidifying native and wet three parts of joint concrete top surface, are protected corrosion hazards section that may be present, to ensure structure
Durability and security.
The content of the invention
The present invention is to solve the wet seam interface Anticorrosion of steel-concrete composite beam under corrosive environment, there is provided one
The kind wet seam anticorrosion construction method of steel-concrete composite beam, it is possible to increase the durability of structure, reduce later maintenance, construction party
Just, low engineering cost.
To solve the above problems, the present invention uses following technical scheme：
The wet seam anticorrosion construction method of a kind of steel-concrete composite beam of the present invention, it is characterised in that this method includes prefabricated bridge
Panel contacts bottom surface anti-corrosion, wet seam cast-in-place concrete anti-corrosion and wet joint concrete top three parts of anti-corrosion with girder steel.
A kind of wet seam anticorrosion construction method of described steel-concrete composite beam, the prefabricated bridge contact with girder steel
Bottom surface anti-corrosion part includes the high-strength fast epoxy resin mortar admittedly of high-elastic mould anti-corrosion chlorinated rubber bar and bottom surface, it is characterised in that in girder steel
High-elastic mould anti-corrosion chlorinated rubber bar is pasted around top flange plate edge and wet seam internal interface WELDING STUDS, it is main that two works are provided
With：First, blocking external agency enters the etching channels of interface internal by contact gap of the prefabricated bridge with girder steel；Second,
There is provided for the high-strength fast epoxy resin mortar admittedly in bottom surface and pour masterplate.
A kind of wet seam anticorrosion construction method of described steel-concrete composite beam, described wet seam cast-in-place concrete are prevented
It is rotten, it is characterised in that to use high-strength steel fibre microdilatancy self-compacting concrete.
A kind of wet seam anticorrosion construction method of described steel-concrete composite beam, it is characterised in that described wet seam top
Portion's gunning concrete water-tight corrosion-proof interface protectants, thickness are 2 ~ 3mm, and spray range exceedes wet joint gap, prefabricated with both sides
The floorings lap of splice is not less than 10cm.
A kind of wet seam anticorrosion construction method of described steel-concrete composite beam, it is characterised in that the high-elastic mould anti-corrosion
Chlorinated rubber bar, its width are 3 ~ 5cm, highly test determining according to in-situ precast floorings ballast, it is desirable to prefabricated bridge pressure
The height of high-elastic mould anti-corrosion chlorinated rubber bar is not less than 2cm after load.
The purposes of the wet seam anticorrosion construction method of described steel-concrete composite beam, it is characterised in that the steel-coagulation
The purposes of the native wet seam anticorrosion construction method of combination beam is available for during the steel-concrete composite beam fabricated construction of coastal area
Wet seam anti-corrosion structure measure.
The present invention is allowed to compared with existing anti-corrosion measure as a result of above technical scheme, has advantages below and product
Pole effect：
First, antiseptic rubber bar is not only provided with girder steel and prefabricated bridge contact surface, and is set in WELDING STUDS layout area
High-strength fast epoxy resin mortar admittedly thick one layer of 2 ~ 3cm so that contact surface is more closely knit, and prevents corrosive medium from invading, well
Protect the root area of WELDING STUDS.
2nd, wet joint concrete uses high strength steel fiber reinforced concrete, using its microdilatancy feature, enhances wet seam and bridge
The compaction rate in plate contact face, while enhance the cracking resistance of concrete.
3rd, wet seam top surface uses top surface water-tight corrosion-proof interface protectants, can strengthen and be opened for wet seam top surface stress
The protective action split, while contact gap of the prefabricated bridge with wet seam is sealed, prevent corrosive medium from entering, protect wet
The reinforcing bar and WELDING STUDS of seam.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a kind of wet seam anticorrosion construction method structural representation of steel-concrete composite beam of the present invention.
In figure：The high-elastic mould anti-corrosion chlorinated rubber bars of 1-；2- bottom surfaces are high-strength to consolidate epoxy resin mortar soon；The high-strength steel fibre microdilatancies of 3-
Self-compacting concrete；4- top surface water-tight corrosion-proof interface protectants；5- girder steels；6- prefabricated bridges；7- interface shear stresses are followed closely；8- ring-types
Reinforcing bar.
Embodiment
Referring to the drawings shown in 1, a kind of wet seam anticorrosion construction method of steel-concrete composite beam of the invention, its feature exists
In this method contacts bottom surface anti-corrosion, wet seam cast-in-place concrete anti-corrosion and wet joint concrete with girder steel including prefabricated bridge
Three parts of top anti-corrosion.
A kind of wet seam anticorrosion construction method of described steel-concrete composite beam, the prefabricated bridge contact with girder steel
Bottom surface anti-corrosion part includes the high-strength fast epoxy resin mortar admittedly of high-elastic mould anti-corrosion chlorinated rubber bar and bottom surface, it is characterised in that in girder steel
High-elastic mould anti-corrosion chlorinated rubber bar is pasted around top flange plate edge and wet seam internal interface WELDING STUDS, it is main that two works are provided
With：First, blocking external agency enters the etching channels of interface internal by contact gap of the prefabricated bridge with girder steel；Second,
There is provided for the high-strength fast epoxy resin mortar admittedly in bottom surface and pour masterplate.
A kind of wet seam anticorrosion construction method of described steel-concrete composite beam, described wet seam cast-in-place concrete are prevented
It is rotten, it is characterised in that to use high-strength steel fibre microdilatancy self-compacting concrete.
A kind of wet seam anticorrosion construction method of described steel-concrete composite beam, it is characterised in that described wet seam top
Portion's gunning concrete water-tight corrosion-proof interface protectants, thickness are 2 ~ 3mm, and spray range exceedes wet joint gap, prefabricated with both sides
The floorings lap of splice is not less than 10cm.
A kind of wet seam anticorrosion construction method of described steel-concrete composite beam, it is characterised in that the high-elastic mould anti-corrosion
Chlorinated rubber bar, its width are 3 ~ 5cm, highly test determining according to in-situ precast floorings ballast, it is desirable to prefabricated bridge pressure
The height of high-elastic mould anti-corrosion chlorinated rubber bar is not less than 2cm after load.
The purposes of the wet seam anticorrosion construction method of described steel-concrete composite beam, it is characterised in that the steel-coagulation
The purposes of the native wet seam anticorrosion construction method of combination beam is available for during the steel-concrete composite beam fabricated construction of coastal area
Wet seam anti-corrosion structure measure.
Embodiment 1
As shown in figure 1, a kind of wet seam anticorrosion construction method of steel-concrete composite beam of the present invention, including steel-concrete contact
Interface anti-corrosion, wet seam anti-corrosion concrete and wet seam top surface anti-corrosion.
The steel-concrete contact interface anti-corrosion part includes pasting high-elastic mould anti-corrosion chlorinated rubber bar 1 and constructed high-strength
Consolidate epoxy resin mortar 2 soon.
Methods described step is：
A) field test is done in scene to high-elastic mould anti-corrosion chlorinated rubber bar 1 first, it is ensured that the ballast prefabricated bridge 6 on rubber strip
Afterwards, the height of high-elastic mould anti-corrosion chlorinated rubber bar 1 is not less than 2cm；Used in the outward flange that prefabricated bridge 6 and girder steel 5 overlap
Cold cure bonding agent pastes high-elastic mould anti-corrosion chlorinated rubber bar 1, and pastes high-elastic mould around the arrangement of interface shear stress nail 7 and prevent
Rotten chlorinated rubber bar 1, closing frame is formed, the construction masterplate as the high-strength fast epoxy resin mortar 2 admittedly in bottom surface；Constructed afterwards in template
It is high-strength that epoxy resin mortar 2, mortar height are concordant with rubber strip admittedly soon；Then on-site hoisting prefabricated bridge 6, the end of floorings have
It is partly embedded into bottom surface is high-strength and consolidates soon among epoxy resin mortar 2；
B) after epoxy resin mortar 2 reaches design strength admittedly soon, high-strength steel fibre microdilatancy self-compacting concrete 3 is poured after high-strength,
Before pouring, the end of prefabricated bridge 6 handle by hair, and moistened with water；By concrete surface and in advance after pouring
The end either flush of floorings 6 processed；Treat that high-strength steel fibre microdilatancy self-compacting concrete intensity reaches design strength post-stretching and indulged
To presstressed reinforcing steel；
C) will be sprayed in the range of the wet 10 ~ 15cm of end of joint concrete top surface and prefabricated bridge 6 of the complete presstressed reinforcing steel of tensioning
Apply concrete water-proof anti-corrosion interface protectants 4, two layers of spraying of protective agent point, first layer is the saturating crystallizing layer 1-2mm of alkali resistant, its function
To form the crystallization of complicated and confused type be effective obstruction pore to infiltrate at concrete surface layer 1-2 millimeters, strengthen concrete water-proof resist it is general
Alkali ability；The second layer keeps away water scuff-resistant coating for 1-2mm thickness, and the sealer of 0.4-1 millimeters is formed in concrete surface, should
Water-tight corrosion-proof interface protectants 4 have energy antiacid alkali for a long time, ageing-resistant, have protective action to the corrosion attack of seawater.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and hair
Bright design is subject to equivalent substitution or change, should all cover within the scope of the present invention.
Claims (7)
- A kind of 1. wet seam anticorrosion construction method of steel-concrete composite beam, it is characterised in that this method include prefabricated bridge with Three parts of anti-corrosion at the top of girder steel contact bottom surface anti-corrosion, wet seam cast-in-place concrete anti-corrosion and wet joint concrete.
- 2. the wet seam anticorrosion construction method of a kind of steel-concrete composite beam according to claim 1, the prefabricated bridge Bottom surface anti-corrosion part is contacted with girder steel including high-elastic mould anti-corrosion chlorinated rubber bar and bottom surface high-strength fast epoxy resin mortar, its feature admittedly to exist In pasting high-elastic mould anti-corrosion chlorinated rubber bar around girder steel top flange plate edge and wet seam internal interface WELDING STUDS, mainly Two effects are provided：First, blocking external agency enters the corrosion of interface internal by contact gap of the prefabricated bridge with girder steel Passage；Masterplate is poured second, being provided for the high-strength fast epoxy resin mortar admittedly in bottom surface.
- 3. the wet seam anticorrosion construction method of a kind of steel-concrete composite beam according to claim 1, described wet seam show Pouring concrete anti-corrosion, it is characterised in that use high-strength steel fibre microdilatancy self-compacting concrete.
- A kind of 4. wet seam anticorrosion construction method of steel-concrete composite beam according to claim 1, it is characterised in that institute Gunning concrete water-tight corrosion-proof interface protectants at the top of the wet seam stated, thickness are 2 ~ 3mm, and it is wide that spray range exceedes wet seam Degree, is not less than 10cm with the both sides prefabricated bridge lap of splice.
- A kind of 5. wet seam anticorrosion construction method of steel-concrete composite beam according to claim 2, it is characterised in that institute High-elastic mould anti-corrosion chlorinated rubber bar is stated, its width is 3 ~ 5cm, highly tests determining according to in-situ precast floorings ballast, it is desirable to The height of high-elastic mould anti-corrosion chlorinated rubber bar is not less than 2cm after prefabricated bridge ballast.
- 6. a kind of wet seam anticorrosion construction method of steel-concrete composite beam, it is characterised in that this method step is：A) scene first is to high-elastic mould anti-corrosion chlorinated rubber bar（1）Do field test, it is ensured that the prefabricated bridge floor of ballast on rubber strip Plate（6）Afterwards, high-elastic mould anti-corrosion chlorinated rubber bar（1）Height be not less than 2cm；In prefabricated bridge（6）And girder steel（5）Overlap joint Outward flange paste high-elastic mould anti-corrosion chlorinated rubber bar with cold cure bonding agent（1）, and followed closely in interface shear stress（7）The week of arrangement Enclose and paste high-elastic mould anti-corrosion chlorinated rubber bar（1）, closing frame is formed, as the high-strength fast epoxy resin mortar admittedly in bottom surface（2）Construction mould Version；Constructed afterwards in template it is high-strength soon admittedly epoxy resin mortar（2）, mortar height it is concordant with rubber strip；Then on-site hoisting is prefabricated Floorings（6）, the end of floorings is partly embedded into bottom surface is high-strength consolidates epoxy resin mortar soon（2）Among；B) high-strength fast epoxy resin mortar admittedly is treated（2）After reaching design strength, high-strength steel fibre microdilatancy self-compacting concrete is poured （3）, before pouring, to prefabricated bridge（6）End handled by hair, and moistened with water；By concrete after pouring Surface and prefabricated bridge（6）End either flush；It is strong to treat that high-strength steel fibre microdilatancy self-compacting concrete intensity reaches design Spend post-stretching longitudinal prestressing muscle；C) by wet the joint concrete top surface and prefabricated bridge of the complete presstressed reinforcing steel of tensioning（6）In the range of 10 ~ 15cm of end Gunning concrete water-tight corrosion-proof interface protectants（4）, two layers of spraying of protective agent point, first layer is the saturating crystallizing layer 1-2mm of alkali resistant, its To form the crystallization of complicated and confused type be effective obstruction pore to function to infiltrate at concrete surface layer 1-2 millimeters, strengthens concrete water-proof Anti- accumulation of salt in the surface soil ability；The second layer keeps away water scuff-resistant coating for 1-2mm thickness, and the surface protection of 0.4-1 millimeters is formed in concrete surface Layer, the water-tight corrosion-proof interface protectants（4）It is ageing-resistant with the antiacid alkali of energy long-time, there is protection to the corrosion attack of seawater Effect.
- 7. a kind of purposes of the wet seam anticorrosion construction method of any one steel-concrete composite beam described in claim 1-6, its It is characterised by, the purposes of the wet seam anticorrosion construction method of steel-concrete composite beam is to be available for coastal area steel-concrete group Wet seam anti-corrosion structure measure during conjunction beam fabricated construction.
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| CN201710966849.8A CN107700345A (en) | 2017-10-17 | 2017-10-17 | A kind of wet seam anticorrosion construction method of steel-concrete combination beam and purposes |
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| CN201710966849.8A CN107700345A (en) | 2017-10-17 | 2017-10-17 | A kind of wet seam anticorrosion construction method of steel-concrete combination beam and purposes |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330806A (en) * | 2018-03-28 | 2018-07-27 | 华侨大学 | The steel-that compoiste adhering anchors shear connections knot mixes combined beam structure and production method |
| CN108459154A (en) * | 2018-05-16 | 2018-08-28 | 山东省公路桥梁建设有限公司 | A kind of wet seam testing stand of concrete with constraint function and test method |
| CN108677683A (en) * | 2018-04-28 | 2018-10-19 | 华侨大学 | Improve the combined bridge and production method of shear connector fatigue life |
| CN109440642A (en) * | 2018-11-30 | 2019-03-08 | 中铁第四勘察设计院集团有限公司 | Steel reinforced concrete composite beam bridge panel assembly seam construction based on early strong high performance concrete |
| CN110184891A (en) * | 2019-05-07 | 2019-08-30 | 中铁工程设计咨询集团有限公司 | A kind of hot-rolling H-shaped steel reinforced concrete combination beam |
| CN110528702A (en) * | 2019-09-10 | 2019-12-03 | 中铁隧道局集团有限公司 | A kind of construction method for steel reinforced concrete bondbeam thin layer epoxy construction glue sticking |
| CN110965700A (en) * | 2019-12-19 | 2020-04-07 | 华侨大学 | Steel-concrete composite beam connected by adopting studs, epoxy mortar and bolts |
| CN111705650A (en) * | 2020-06-01 | 2020-09-25 | 湖南大学 | UHPC beam slab cast-in-place joint structure with embedded reinforced steel component and construction method thereof |
| CN113981838A (en) * | 2021-10-20 | 2022-01-28 | 广东二十冶建设有限公司 | Connection construction method for widened bridge joint |
| CN114414784A (en) * | 2022-03-30 | 2022-04-29 | 中交第一公路勘察设计研究院有限公司 | Bridge splicing joint vehicle-mounted deformation difference simulation test device and simulation method |
| CN114657887A (en) * | 2022-04-18 | 2022-06-24 | 杭州市交通规划设计研究院有限公司 | Construction method of precast slab anti-cracking structure in hogging moment area of combined beam bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330806A (en) * | 2018-03-28 | 2018-07-27 | 华侨大学 | The steel-that compoiste adhering anchors shear connections knot mixes combined beam structure and production method |
| CN108677683A (en) * | 2018-04-28 | 2018-10-19 | 华侨大学 | Improve the combined bridge and production method of shear connector fatigue life |
| CN108459154B (en) * | 2018-05-16 | 2023-11-03 | 山东省公路桥梁建设有限公司 | Concrete wet joint test bed with constraint function and test method |
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| CN109440642A (en) * | 2018-11-30 | 2019-03-08 | 中铁第四勘察设计院集团有限公司 | Steel reinforced concrete composite beam bridge panel assembly seam construction based on early strong high performance concrete |
| CN110184891A (en) * | 2019-05-07 | 2019-08-30 | 中铁工程设计咨询集团有限公司 | A kind of hot-rolling H-shaped steel reinforced concrete combination beam |
| CN110528702A (en) * | 2019-09-10 | 2019-12-03 | 中铁隧道局集团有限公司 | A kind of construction method for steel reinforced concrete bondbeam thin layer epoxy construction glue sticking |
| CN110965700A (en) * | 2019-12-19 | 2020-04-07 | 华侨大学 | Steel-concrete composite beam connected by adopting studs, epoxy mortar and bolts |
| CN111705650B (en) * | 2020-06-01 | 2021-07-23 | 湖南大学 | UHPC beam slab cast-in-place joint structure with embedded reinforced steel component and construction method thereof |
| CN111705650A (en) * | 2020-06-01 | 2020-09-25 | 湖南大学 | UHPC beam slab cast-in-place joint structure with embedded reinforced steel component and construction method thereof |
| CN113981838A (en) * | 2021-10-20 | 2022-01-28 | 广东二十冶建设有限公司 | Connection construction method for widened bridge joint |
| CN114414784A (en) * | 2022-03-30 | 2022-04-29 | 中交第一公路勘察设计研究院有限公司 | Bridge splicing joint vehicle-mounted deformation difference simulation test device and simulation method |
| CN114657887A (en) * | 2022-04-18 | 2022-06-24 | 杭州市交通规划设计研究院有限公司 | Construction method of precast slab anti-cracking structure in hogging moment area of combined beam bridge |
| CN114657887B (en) * | 2022-04-18 | 2024-04-02 | 杭州市交通规划设计研究院有限公司 | Construction method of prefabricated slab crack-resistant structure in hogging moment area of composite beam bridge |
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