CN108316122A - A kind of the bridge floor continuous structure and construction method of freely-supported I-shaped concrete combination beam - Google Patents
A kind of the bridge floor continuous structure and construction method of freely-supported I-shaped concrete combination beam Download PDFInfo
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- CN108316122A CN108316122A CN201810264719.4A CN201810264719A CN108316122A CN 108316122 A CN108316122 A CN 108316122A CN 201810264719 A CN201810264719 A CN 201810264719A CN 108316122 A CN108316122 A CN 108316122A
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- 239000004567 concrete Substances 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 229910000754 Wrought iron Inorganic materials 0.000 claims abstract description 56
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 238000009408 flooring Methods 0.000 claims abstract description 25
- 238000004873 anchoring Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000003032 molecular docking Methods 0.000 claims description 9
- 239000011150 reinforced concrete Substances 0.000 claims description 9
- 239000011384 asphalt concrete Substances 0.000 claims description 8
- 235000000396 iron Nutrition 0.000 claims description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 5
- 229910001339 C alloy Inorganic materials 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 14
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 description 6
- 230000003313 weakening effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/02—Bridges characterised by the cross-section of their bearing spanning structure of the I-girder type
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of the bridge floor continuous structure and construction method of freely-supported I-shaped concrete combination beam, continuous structure include the deck paving, cast-in-place floorings, structural system changing of bridge；Bridge one sets the structural system changing that multi-disc is coupled by end floor beam across direction across bridge, prefabricated beam-ends bottom by seat supports on bridge pier, adjacent two across simply supported beam beam-ends between there are bridge seams；Adjacent two across floorings layer in setting anchorage rod iron adhere and connect with concrete anchor, the symmetrical bridge of rod iron, which seams, to be set；Rod iron is without prestressing force；Protective case is set in the middle part of rod iron.Construction method is：1) template is set between direction across bridge simply supported beam, batten is set in two across freely-supported beam-ends bridge seams；2) anchorage rod iron is placed on bridge seam junction after assembling；3) cast-in-place concrete floorings layer above template；4) setting is mated formation above floorings layer.The present invention can solve existing bridge floor continuous structure and weaken big, concrete section bearing capacity at reduction continuous deck to floorings layer, the technical issues of needing preserved pipeline and carry out tensioning to reinforcing bar.
Description
Technical field
The invention belongs to bridge structure technical fields, and in particular to a kind of bridge floor company of freely-supported I-shaped concrete combination beam
Continuous construction and construction method.
Background technology
Bridge floor continuous structure is practical be exactly deck paving a part, i.e., mat formation strengthening segment in beam seam position.
Country's simply supported beam drum beam bridge floor continuous structure measure at present mainly uses pre-buried HRB400, Φ 32mm reinforcing bars, and
In the range of junction is apart from pier top center or so 40cm by the way of reinforcing bar outer wrapping material.Reinforcing bar direct-burried is in cast-in-place bridge floor
In plate, anchored by the cementation of reinforcing bar and concrete.
It is larger to the weakening of deck paving since traditional bar diameter is big, reduce the concrete at continuous deck
Section capacity；The cracking moment at the continuous pier tops of Cheng Qiaohou is by the cohesive force between concrete and rebar in the prior art
It determines, being easy to cause the cracking moment (i.e. anti-crack ability) of floorings at continuous pier top reduces；Traditional Bar Anchorage needs
Hollow pipe is first set, is inserted into reinforcing bar and tensioning after pouring in reserved pipeline, construction procedure is cumbersome.In addition traditional reinforcing bar cloth
When setting, for horizontal spacing in 15~20cm, spacing is smaller, wastes steel.
Invention content
The present invention provides a kind of the bridge floor continuous structure and construction method of the I-shaped prestressed concrete combination beam of freely-supported, can
It solves that existing bridge floor continuous structure structure is larger to the weakening of deck paving, reduces the concrete section carrying at continuous deck
Ability, the technical issues of needing preserved pipeline and carry out tensioning to reinforcing bar.
The present invention uses technical solution below：A kind of bridge floor continuous structure of freely-supported I-shaped concrete combination beam, packet
Bridge is included, the bridge includes bridge floor, structural system changing, the end floor beam of the bridge end set transverse direction；The bridge floor includes
Supercrust, waterproof layer, reinforced concrete pavement layer, the floorings layer of asphalt concrete pavement from top to bottom；The bridge end
After head docking, there are bridge seam between adjacent two simply supported beams, the prefabricated freely-supported of the end floor beam position described in butt end
Bearing is arranged in the bottom of beam, and two seat supports are on bridge pier；The bridge above the two neighboring structural system changing
The concrete anchor of longitudinally disposed rod iron and cast-in-site, which adheres, inside panel layer connects, and completes reinforcing bar from the bottom to top in the position
Concrete pavement layer, waterproof layer, asphalt concrete pavement filling up for supercrust docked with both sides bridge；The symmetrical institute of rod iron
State bridge seam it is longitudinally disposed, the rod iron both ends are symmetrical arranged anchorage；The rod iron is not more than 16mm without prestressing force, diameter；
The anchorage includes anchoring backing plate, spiral bar and bolt-nut, is sleeved on outside the spiral bar and anchoring backing plate endoporus
The rod iron end, the bolt-nut coordinate with rod iron end thread, and closed protective case is wrapped up in the middle part of the rod iron, described
Symmetrically the bridge is seamed and is set the protective case of rod iron；
The anchoring backing plate is fixed with spiral bar, bolt-nut.
Floorings layer upper surface, which corresponds to bridge and seam, sets preformed groove, the reserved groove depth 3cm, width 1mm, with the bridge floor
The isometric setting of width, filled bitumen clay in the preformed groove.
The rod iron is medium carbon alloy steel, and a diameter of 16mm, tensile strength is not less than 1420Mpa.
The protective case is bilayer HDPE protective cases, and the long 40mm of protective case is internal to fill anti-corrosion grease.
The bolt-nut is welded and fixed with anchoring backing plate.
There are multiple bridge side-by-side dockings in transverse direction, more rod irons and anchorage is arranged side by side in the bridge side of sewing on, described
The horizontal spacing of rod iron and anchorage is 30cm；The end floor beam connection is set between multiple structural system changings.
A kind of bridge floor continuous structure construction method of freely-supported I-shaped concrete combination beam, a kind of freely-supported based on the present invention
The bridge floor continuous structure of I-shaped concrete combination beam, includes the following steps：
1) after adjacent two across the structural system changing erection, template is set, and two across prefabricated letter between direction across bridge structural system changing
Batten is set in branch beam-ends bridge seam；2) rod iron of the both ends with anchorage after assembling is placed on template upper edge bridge length direction water
Flat setting makes bridge described in protective case partial symmetry seam and sets right over bridge seam；3) around the rod iron, template
Top poured in place concrete is laid with the floorings layer；4) it is laid with reinforcing bar from bottom to top successively above the floorings layer
Concrete pavement layer, waterproof layer and asphalt concrete pavement supercrust are connected with the bridge floor at both ends.
There are multiple bridge side-by-side dockings in transverse direction, more rod irons and anchorage is arranged side by side in the bridge side of sewing on, described
The horizontal spacing of rod iron and anchorage is 30cm；The end floor beam cast concrete is arranged between multiple structural system changings to connect
It connects.
The present invention has following positive beneficial effect：
1) few to the weakening of deck paving compared with the prior art due to the high-strength steel bar for using diameter smaller, it improves continuous
Concrete section bearing capacity at bridge floor；
2) as a result of high-strength steel bar, the bar diameter used compared with the prior art at least reduces half and steel bar arrangement
Spacing is larger, about 30cm, can significantly reduce rolled steel dosage, there is certain economic results in society；
3) present invention is provided with anchorage, the cohesive force between concrete and rebar and rod iron both ends anchor at high-strength steel bar both ends
Gu anchor force two parts of backing plate determine into the cracking moment at continuous pier top after bridge, therefore significantly improve at continuous pier top
Cracking moment, that is, anti-crack ability of floorings；Can avoid continuous concrete floorings cracking influences road-ability；
4) although pier top uses high-strength steel bar and joint anchorage mode, but different with conventional pre-stress construction, this
Invention is not necessarily to reserving hole channel and slip casting, other operations are consistent with regular reinforcement, greatly facilitate and apply without carrying out tensioning to rod iron
Work；Prestressed concrete is that occur crack phenomenon too early to make up concrete, in component before use, giving concrete one in advance
Prestressing force, i.e. tension reinforcing steel bar generate prestressing force.And the continuous structure of this patent is used, prestressing force need not be set, reinforcing bar is utilized
The anchor force of cohesive force and anchorage between concrete, you can achieve the effect that make up crack.
5) pier top upper section reinforcing bar is protected using bilayer HDPE protective cases, is had more preferably, more to reinforcing bar compared with the prior art
Durable protective capability significantly improves the endurance quality of structure；Floorings layer is reinforced concrete member, and specification allows it to go out
Now it is not more than the microcrack of 0.2mm, and floorings microcrack generation area concentrates at bridge seam, moisture passes through fine fisssure in order to prevent
Seam corrosion rod iron is former to be arranged protective case at bridge seam in a certain range.
Description of the drawings
Fig. 1 is the structural schematic diagram (direction of traffic) using bridge floor continuous structure of the present invention；
Fig. 2 is the partial structurtes enlarged drawing of Fig. 1 (without mating formation)；
Fig. 3 is high-strength steel bar anchor device structure schematic diagram (without mating formation)；
Fig. 4 is the bridge lateral schematic cross-section using bridge floor continuous structure of the present invention.
Accompanying drawing number：1- supercrusts, 2- waterproof layers, 3- reinforced concrete pavement layers, 4- end floor beams, 5- support center line, 6-
Floorings layer, 7- anchorages, 8- rod irons, 9- structural system changings, 10- bearings, 11- bridge piers, 12- bridges seam, 13- protective cases, 14- spirals
Muscle, 15- preformed grooves, 16- anchor backing plate, 17- bolt-nuts, 18- templates, 19- anticollision barriers.
Specific implementation mode
The following further describes the specific embodiments of the present invention with reference to the drawings.
Following embodiment is only examples made by the present invention to clearly illustrate, and not to the limit of embodiments of the present invention
It is fixed.For those of ordinary skill in the art, it is various forms of that other can also be made on the basis of the following description
Variation changes, and these belong to the protection of obvious changes or variations that spirit of that invention is drawn still in the present invention
Among range.
Embodiment
Referring to attached drawing 1 to 4, a kind of bridge floor continuous structure of freely-supported I-shaped concrete combination beam, including bridge, the bridge
Beam includes bridge floor, structural system changing 9, the end floor beam 4 of the bridge end set transverse direction；The bridge floor includes drip from top to bottom
Supercrust 1, waterproof layer 2, reinforced concrete pavement layer 3, the floorings layer 6 of green concrete pavement；After the bridge end docking,
There are bridge seam 12 between two adjacent simply supported beams 9, the structural system changing 9 of 4 position of end floor beam described in butt end
Bearing 10 is arranged in bottom, and two bearings 10 are supported on bridge pier 11；It is described above the two neighboring structural system changing 9
The concrete anchor of the 6 longitudinally disposed rod iron 8 in inside of floorings layer and cast-in-site, which adheres, to be connect, and is completed in the position from the bottom to top
Reinforced concrete pavement layer 3, waterproof layer 2, asphalt concrete pavement filling up for supercrust 1 docked with both sides bridge；The steel
The symmetrical bridge seam 12 of stick 8 is longitudinally disposed, and 8 both ends of the rod iron are symmetrical arranged anchorage 7；The rod iron 8 is without prestressing force, diameter
No more than 16mm；
Referring to Fig. 2, Fig. 3, the anchorage 7 includes anchoring backing plate 16, spiral bar 14 and bolt-nut 17, the spiral bar 14
And 8 end of the rod iron is sleeved on outside anchoring 16 endoporus of backing plate, the bolt-nut 17 coordinates with 8 end thread of rod iron, the steel
Wrap up closed protective case 13, symmetrical 12 setting of bridge seam of protective case 13 of the rod iron 8 in 8 middle part of stick；
The anchoring backing plate 16 is fixed with spiral bar 14, bolt-nut 17.
6 upper surface of floorings layer correspond to bridge seam 12 setting preformed grooves 15,15 depth 3cm of the preformed groove, width 1mm, and
The isometric setting of bridge deck width, filled bitumen clay in the preformed groove 15.
The rod iron 8 is medium carbon alloy steel, and a diameter of 16mm, tensile strength is not less than 1420Mpa.
The protective case 13 is bilayer HDPE protective cases, and the long 40mm of protective case is internal to fill anti-corrosion grease.
The bolt-nut 17 is welded and fixed with anchoring backing plate 16.
Referring to Fig. 4, there are multiple bridge side-by-side dockings, 12 top of bridge seam that more rod irons 8 are arranged side by side in transverse direction
And anchorage, the horizontal spacing of the rod iron 8 and anchorage is 30cm；The end floor beam 4 is set between multiple structural system changings 9
Connection.
A kind of bridge floor continuous structure construction method of freely-supported I-shaped concrete combination beam, a kind of freely-supported based on the present invention
The bridge floor continuous structure of I-shaped concrete combination beam, includes the following steps：(referring to Fig. 4)
1) there are multiple bridge side-by-side dockings in transverse direction：Described adjacent two after the erection of structural system changing 9, and direction across bridge is pre-
Template 18 is set between simply supported beam 9 processed, batten is set in two across structural system changing end bridge seams 12；Multiple structural system changings 9 it
Between be arranged the end floor beam 4 pour into a mould concrete connection；2) more rod irons 8 and anchorage is arranged side by side in 12 top of bridge seam：Assembly
Rod iron 8 of the both ends afterwards with anchorage 7 be placed on 18 upper edge bridge length direction of the template be horizontally set on bridge seam 12 just on
Side, while making 12 setting of bridge seam described in 13 partial symmetry of protective case, the horizontal spacing of the rod iron 8 and anchorage is 30cm；3) exist
Around the rod iron 8,18 top poured in place concrete of template be laid with the floorings layer 6；4) above the floorings layer 6
It is laid with the institute of reinforced concrete pavement layer 3, waterproof layer 2 and asphalt concrete pavement supercrust 1 and both ends from bottom to top successively
State bridge floor linking.
It is the further explanation to the present invention below.
The high intensity rod iron 8 that this patent is selected is medium carbon alloy steel, and tensile strength reaches 1420~1570Mpa, and has
The advantages that toughness height, good mechanical property.Only protective case 13, its remaining part of rod iron 8 is arranged in 8 middle part 40cm ranges of rod iron in this patent
Point and concrete binding.Using the part adhesive high intensity rod iron of Φ 16mm as continuous deck tension reinforcement, crude steel is avoided
Muscle improves the ability that bridge floor continuous structure adapts to local deformation, and its steel using amount is aobvious to the adverse effect of bridge deck concrete
Writing reduces.High intensity rod iron 8 uses local outsourcing, i.e., in the range of junction is apart from 11 pier top center of bridge pier or so 40cm
Reinforcing bar is protected using bilayer HDPE protective cases 13, anti-corrosion grease is filled in HDPE casings, to improve its durability.
8 anchorage 7 of high intensity rod iron of the present invention is made of anchoring backing plate 16, spiral bar 14 and bolt-nut 17, rod iron 8
Anchoring is made of rod iron 8 and concrete binding and anchoring 16 pressure-bearing two parts of backing plate.
Patent of the present invention is to be designed for the continuous local structure of freely-supported concreter's font structural system changing bridge floor, specifically
Construction is as shown in Figure 1.The anchorage 7 of the rod iron 8 of the present invention and both ends is put into bridge junction when construction, while making protective case 13
Part is located at 12 top of bridge seam, the cast in situs bridge deck concrete 6 around rod iron 8.Finally on bridge deck concrete 6 under
It is laid with reinforced concrete bridge deck successively upwards to mat formation 3, waterproof layer 2 and asphalt concrete pavement 1, that is, completes construction.When bridge floor by
When power, due to the lateral bearing capacity by cohesive force, anchoring backing plate 16 between rod iron 8 and concrete, it can offset and cause bridge floor
The part pulling force of deformation reduces bridge floor deformation, cracking, to improve road-ability.
Claims (8)
1. a kind of bridge floor continuous structure of freely-supported I-shaped concrete combination beam, including bridge, the bridge includes bridge floor, prefabricated
Simply supported beam (9), the end floor beam (4) of the bridge end set transverse direction；The bridge floor includes bituminous concrete paving from top to bottom
Supercrust (1), waterproof layer (2), reinforced concrete pavement layer (3), the floorings layer (6) of dress；It is characterized in that, the bridge end
There are bridges to stitch (12) after head docking, between adjacent two simply supported beams (9), the institute of the end floor beam described in butt end (4) position
The bottom setting bearing (10) of structural system changing (9) is stated, two bearings (10) are supported on bridge pier (11)；Two neighboring institute
It states the internal longitudinally disposed rod iron (8) of the floorings layer (6) above structural system changing (9) and the concrete of cast-in-site anchors
Bonding, and the road of reinforced concrete pavement floor (3) from the bottom to top, waterproof layer (2), asphalt concrete pavement is completed in the position
Face filling up for (1) of layer is docked with both sides bridge；The symmetrical bridge seam (12) of the rod iron (8) is longitudinally disposed, the rod iron (8) two
End is symmetrical arranged anchorage (7)；The rod iron (8) is not more than 16mm without prestressing force, diameter；
The anchorage (7) includes anchoring backing plate (16), spiral bar (14) and bolt-nut (17), the spiral bar (14) and anchoring
The rod iron (8) end is sleeved on outside backing plate (16) endoporus, the bolt-nut (17) coordinates with rod iron (8) end thread, described
Closed protective case (13), symmetrical bridge seam (12) setting of protective case (13) of the rod iron (8) are wrapped up in the middle part of rod iron (8)；
The anchoring backing plate (16) and spiral bar (14), bolt-nut (17) are fixed.
2. a kind of bridge floor continuous structure of freely-supported I-shaped concrete combination beam as described in claim 1, which is characterized in that institute
It states floorings layer (6) upper surface and corresponds to bridge seam (12) setting preformed groove (15), preformed groove (15) the depth 3cm, width 1mm and institute
State the isometric setting of bridge deck width, the interior filled bitumen clay of preformed groove (15).
3. a kind of bridge floor continuous structure of freely-supported I-shaped concrete combination beam as described in claim 1, which is characterized in that institute
It is medium carbon alloy steel to state rod iron (8), and a diameter of 16mm, tensile strength is not less than 1420Mpa.
4. a kind of bridge floor continuous structure of freely-supported I-shaped concrete combination beam as described in claim 1, which is characterized in that institute
It is bilayer HDPE protective cases to state protective case (13), and the long 40mm of the protective case (13) is internal to fill anti-corrosion grease.
5. a kind of bridge floor continuous structure of freely-supported I-shaped concrete combination beam as described in claim 1, which is characterized in that institute
Bolt-nut (17) is stated to be welded and fixed with anchoring backing plate (16).
6. a kind of bridge floor continuous structure of freely-supported I-shaped concrete combination beam as described in claim 1, which is characterized in that horizontal
There are multiple bridge side-by-side dockings upwards, more rod irons (8) and anchorage, the rod iron is arranged side by side above the bridge seam (12)
(8) and the horizontal spacing of anchorage is 30cm；The end floor beam (4) connection is set between multiple structural system changings (9).
7. the bridge floor continuous structure construction method of a kind of freely-supported I-shaped concrete combination beam, based on any one of Claims 1 to 5
The bridge floor continuous structure of a kind of freely-supported I-shaped concrete combination beam, which is characterized in that include the following steps：
1) described adjacent two across structural system changing (9) erection after, between direction across bridge structural system changing (9) be arranged template (18), two across
Batten is set in structural system changing end bridge seam (12)；2) rod iron (8) of the both ends with anchorage (7) after assembling is placed on the template
(18) upper edge bridge length direction is horizontally set on right over the bridge seam (12), while being made described in protective case (13) partial symmetry
Bridge stitches (12) setting；3) poured in place concrete is laid with the floorings layer around the rod iron (8), above template (18)
(6)；4) be laid with successively above the floorings layer (6) reinforced concrete pavement layer (3) from bottom to top, waterproof layer (2) and
Asphalt concrete pavement supercrust (1) is connected with the bridge floor at both ends.
8. a kind of bridge floor continuous structure construction method of freely-supported I-shaped concrete combination beam as claimed in claim 7, special
Sign is there are multiple bridge side-by-side dockings in transverse direction, more rod irons (8) and anchor is arranged side by side above the bridge seam (12)
The horizontal spacing of tool, the rod iron (8) and anchorage is 30cm；The end floor beam is set between multiple structural system changings (9)
(4) cast concrete connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810264719.4A CN108316122B (en) | 2018-03-28 | 2018-03-28 | Bridge deck continuous structure of simply-supported I-shaped concrete composite beam and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810264719.4A CN108316122B (en) | 2018-03-28 | 2018-03-28 | Bridge deck continuous structure of simply-supported I-shaped concrete composite beam and construction method |
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| Publication Number | Publication Date |
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| CN108316122A true CN108316122A (en) | 2018-07-24 |
| CN108316122B CN108316122B (en) | 2024-04-12 |
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| CN201810264719.4A Active CN108316122B (en) | 2018-03-28 | 2018-03-28 | Bridge deck continuous structure of simply-supported I-shaped concrete composite beam and construction method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894118A (en) * | 2018-09-25 | 2018-11-27 | 重庆交通大学 | Simply supported non-uniform method for bridge construction with steel Shu Zhangla connector |
| CN108978492A (en) * | 2018-09-25 | 2018-12-11 | 重庆交通大学 | Simply supported non-uniform bridge hogging moment steel Shu Zhangla connector and bridge structure |
| CN109722988A (en) * | 2019-02-25 | 2019-05-07 | 北京市市政工程设计研究总院有限公司 | A kind of shearing resistance bridge floor continuous structure and construction method |
| CN109778712A (en) * | 2019-03-22 | 2019-05-21 | 北京市市政工程设计研究总院有限公司 | A kind of method and prefabricated beam body for continuously locating to limit beam-ends corner displacement for bridge floor |
| CN110130220A (en) * | 2019-06-21 | 2019-08-16 | 浙江省交通规划设计研究院有限公司 | A kind of new concrete bridge floor continuous structure applied on beam bridge |
| CN110331657A (en) * | 2019-07-13 | 2019-10-15 | 单国珠 | A kind of method of ball-type tension bridle iron and multi-angle distractive load |
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| CN111206501A (en) * | 2020-02-27 | 2020-05-29 | 清华大学 | Structure and method for improving crack resistance of simply supported and continuous bridge joint section |
| CN111206500A (en) * | 2020-02-27 | 2020-05-29 | 清华大学 | Structure and method for improving crack resistance of simply supported-then-continuous bridge deck slab |
| CN111705640A (en) * | 2020-06-05 | 2020-09-25 | 常州市市政工程设计研究院有限公司 | Seamless expansion joint structure for bridge joint treatment and construction process thereof |
| CN112359721A (en) * | 2020-11-06 | 2021-02-12 | 同济大学建筑设计研究院(集团)有限公司 | High-performance fiber reinforced cement-based concrete bridge deck continuous structure and construction method |
| CN112391951A (en) * | 2020-10-14 | 2021-02-23 | 周俊 | Bridge deck, bridge and construction method of bridge |
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