CN107740344A - Steel reinforced concrete combines Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure and construction method - Google Patents
Steel reinforced concrete combines Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure and construction method Download PDFInfo
- Publication number
- CN107740344A CN107740344A CN201711111240.9A CN201711111240A CN107740344A CN 107740344 A CN107740344 A CN 107740344A CN 201711111240 A CN201711111240 A CN 201711111240A CN 107740344 A CN107740344 A CN 107740344A
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- Prior art keywords
- stiffener
- steel
- cover plate
- hole
- upper cover
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 239000003351 stiffener Substances 0.000 claims abstract description 51
- 239000004567 concrete Substances 0.000 claims abstract description 22
- 238000009408 flooring Methods 0.000 claims abstract description 15
- 238000005266 casting Methods 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 238000009423 ventilation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000010008 shearing 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
- E01D19/12—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 steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure and construction method, including：Upper cover plate, lower cover, coxostermum, end diaphragm plate, transverse stiffener, longitudinal stiffener；Upper cover plate, lower cover, coxostermum, end diaphragm plate, transverse stiffener, longitudinal stiffener are welded to each other to form multiple steel cell compartments；The position corresponded on upper cover plate at each steel cell compartment is equipped with pouring hole and hole of vibrating；Concrete has been poured by pouring hole in steel cell compartment.Due to setting transverse stiffener and longitudinal stiffener in combined bridge deck, transverse stiffener and longitudinal stiffener form multiple steel cell compartments with upper cover plate, lower cover, coxostermum, end tabula plate weld, the casting concrete into steel cell compartment again, so as to reduce the tension of steel reinforced concrete combination Continuous Box Girder Bridge the decking in the negative moment region, the durability of conventional concrete floorings is improved, solves the problems, such as that existing steel reinforced concrete combination Continuous Box Girder Bridge the decking in the negative moment region is easy to crack.
Description
Technical field
The application is related to technical field of bridge engineering, and in particular to a kind of steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combination
Deck structrue and construction method.
Background technology
The characteristics of steel reinforced concrete combination Continuous Box Girder Bridge utilizes the tensile property and good concrete anti-compression performance of steel, by both groups
Work altogether, there is obvious economic and technical advantage relative to traditional steel box-girder and Prestressed Concrete Bridges.But
For the middle pier pier top hogging moment area of multispan steel reinforced concrete combination Continuous Box Girder Bridge, it may appear that the situation of concrete slab tension, draw
If stress exceedes concrete in tension feasible value, the beam bridge hogging moment area concrete can ftracture, and reduce the durable of structure
Property, influence the structure service life of bridge.
The existing method for solving steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area concrete cracking has.
1. in hogging moment area concrete slab inner stretch-draw prestressing force.The method prestressed stretch-draw and anchoring are complicated, and in advance
Stress loss is difficult to control.
2. adjusting bearing relative elevation forms prestressing force.The method bearing adjustment quantities is too big, and economic effect is poor.
3. using longitudinal direction not shearing resistance anti-pulling connector.The method site operation shear connector workload is too big, and not
Beneficial to later maintenance.
Therefore, it is necessary to seek the new construction or method for solving steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area concrete cracking.
The content of the invention
The application provides a kind of steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure simple in construction, relatively
The tensile capacity of floorings is enhanced in traditional hogging moment area concrete slab, improves the durability of floorings.
The application also provides a kind of steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck construction party of construction is simple
Method, the tensile capacity of floorings is enhanced relative to traditional hogging moment area concrete slab, improve the durability of floorings.
According in a first aspect, providing a kind of steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area composite bridge in a kind of embodiment
Panel construction, including upper cover plate, lower cover, coxostermum, end diaphragm plate, transverse stiffener, longitudinal stiffener；Upper cover plate, lower cover
Plate, coxostermum, end diaphragm plate, transverse stiffener, longitudinal stiffener are welded to each other to form multiple steel cell compartments；Correspond on upper cover plate
Position at each steel cell compartment is equipped with pouring hole and hole of vibrating；Concrete has been poured by pouring hole in steel cell compartment；Steel cell compartment
It is provided with passage.
Preferably, in addition to transverse steel, longitudinal reinforcement and peg, preset on the transverse stiffener and longitudinal stiffener
There is through hole, transverse steel is arranged in the through hole of longitudinal stiffener, and longitudinal reinforcement is arranged in the through hole of transverse stiffener；It is described
Welding of peg is on upper cover plate and lower cover, and peg is perpendicular to cover plate plate face.
Preferably, upper cover plate is different from lower cover extension elongation.
Preferably, in addition to flat anchor slab and flat bellows, the construction hole position of flat anchor slab is placed in floorings upper cover plate, it is flat
Anchor slab and flat bellows are close to end diaphragm plate both sides.
A kind of construction method of steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure, by transverse stiffener,
Longitudinal stiffener is welded in the space being made up of upper cover plate, lower cover, coxostermum and end diaphragm plate, is divided into multiple steel lattice
Room；Pass through casting concrete and vibration compacting in the default pouring hole in steel box top and the Kong Xianggang casees that vibrate.
Preferably, transverse stiffener, be preset with through hole on longitudinal stiffener, be divided into before steel cell compartment and intert in through hole
Transverse steel and longitudinal reinforcement, and the weld stud on upper cover plate and lower cover.
Steel reinforced concrete according to above-described embodiment combines Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure and construction method, by
In setting transverse stiffener and longitudinal stiffener in combined bridge deck, transverse stiffener and longitudinal stiffener and upper cover plate, under
Cover plate, coxostermum, end tabula plate weld form multiple steel cell compartments, then toward casting concrete in steel cell compartment, relative to hogging moment
Area's conventional concrete floorings enhance the tensile capacity of floorings, improve the durability of floorings, solve existing steel
The problem of mixed combination Continuous Box Girder Bridge hogging moment area concrete slab is easy to crack.Further, add in transverse stiffener and longitudinal direction
Strength rib is provided with through hole, and transverse steel and longitudinal reinforcement are interted in through hole, the rigidity of floorings is increased, further enhancing
The tensile capacity of floorings.
Brief description of the drawings
Fig. 1 is combined bridge deck stereochemical structure view of the present invention.
Fig. 2 is combined bridge deck front view of the present invention.
M-M sectional views in Fig. 3 Fig. 2.
N-N sectional views in Fig. 4 Fig. 2.
Fig. 5 is transverse stiffener schematic diagram.
Fig. 6 is longitudinal stiffener schematic diagram.
Fig. 7 is toughened internal stress floorings schematic diagram of the present invention.
Fig. 8 is combined bridge deck board construction method flow chart of the present invention.
Embodiment
The present invention is described in further detail below by embodiment combination accompanying drawing.Wherein different embodiments
Middle similar component employs associated similar element numbers.In the following embodiments, many detailed descriptions be in order to
The application is better understood.However, those skilled in the art can be without lifting an eyebrow recognize, which part feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Certain operations that please be related are not shown in the description or description, and this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, be described in detail these associative operations be not it is necessary, they
The general technology knowledge of description and this area in specification can completely understand associative operation.
It is herein part institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any order or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with（Connection）.
Fig. 1-6 are refer to, steel reinforced concrete of the present invention combines Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure, including：Upper lid
Plate 1, lower cover 2, coxostermum 3, longitudinal stiffener 4, transverse stiffener 5, end diaphragm plate 6；Upper cover plate 1, lower cover 2, coxostermum
3rd, longitudinal stiffener 4, transverse stiffener 5, end diaphragm plate 6 are welded to each other to form multiple steel cell compartments；Correspond on upper cover plate 1 each
Position at steel cell compartment is equipped with pouring hole 11 and hole 12 of vibrating；Concrete is poured by pouring hole 11 in steel cell compartment, to make
Pour that everything goes well with your work and carry out, steel cell compartment is provided with passage 21, i.e., is opening stomata on the position of the corresponding steel cell compartment of lower cover 2
21。
As the preferred embodiment of the present invention, in addition to transverse steel 7 and longitudinal reinforcement 8, the He of transverse stiffener 5
Through hole 51,41 is preset with longitudinal stiffener 4 respectively, transverse steel 7 is arranged in the through hole 41 of longitudinal stiffener, longitudinal reinforcement
8 are arranged in the through hole 51 of transverse stiffener, and after casting concrete, structure becomes more to consolidate, and improves combined bridge deck
Durability.
As the preferred embodiment of the present invention, upper cover plate 1 on lower cover 2 with being welded with peg 9, and peg 9 is perpendicular to lid
Plate plate face.
As the preferred embodiment of the present invention, in addition to flat anchor slab 14 and flat bellows 15, applying for flat anchor slab is placed
For work hole position in floorings upper cover plate, flat anchor slab and flat bellows are close to end diaphragm plate both sides.
As the preferred embodiment of the present invention, flat anchor slab construction hole is preset with upper cover plate 1 and end diaphragm plate 6 respectively
13。
As the preferred embodiment of the present invention, upper cover plate should stretch out combined bridge deck, lower cover phase respectively with lower cover
Stretch out a segment length less for upper cover plate.
It refer to Fig. 8, steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck construction method of the present invention, bag
Include：
The 101st, transverse stiffener, longitudinal stiffener are welded on to the sky being made up of upper cover plate, lower cover, coxostermum, end diaphragm plate
In, it is divided into multiple steel cell compartments；
102nd, the position of lower cover shortage should shift to an earlier date pre- formwork supporting plate, pass through the default pouring hole in steel box top and the Kong Xianggang casees that vibrate
Interior casting concrete and vibration compacting.
In other embodiments of the invention, transverse stiffener, be preset with through hole on longitudinal stiffener, be divided into steel cell compartment
Further comprise interting transverse steel and longitudinal reinforcement in through hole before, and the weld stud on upper cover plate and lower cover.
Certainly, need to be by combined bridge deck and steel reinforced concrete knot to make combined bridge deck 18 be supported during practice of construction
Close section 17 to connect as one, consolidated flat anchor slab 14 and flat bellows 15 by upper cover plate and the default construction hole of end diaphragm plate
Floorings specified location is scheduled on, prestress wire 16 is anchored on flat anchor slab 14.With reference to figure 7, held using being previously positioned at
The prestress wire 16 that flat anchor slab, the flat bellows of diaphragm plate both sides are pre-set in toughened internal stress other end tensioning,
Combined bridge deck is set to form entirety with toughened internal stress.
Use above specific case is illustrated to the present invention, is only intended to help and is understood the present invention, not limiting
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make some simple
Deduce, deform or replace.
Claims (6)
- A kind of 1. steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure, it is characterised in that including：Upper cover plate, lower cover, coxostermum, end diaphragm plate, transverse stiffener, longitudinal stiffener；Upper cover plate, lower cover, coxostermum, End diaphragm plate, transverse stiffener, longitudinal stiffener are welded to each other to form multiple steel cell compartments；Correspond to each steel cell compartment on upper cover plate The position at place is equipped with pouring hole and hole of vibrating；Concrete has been poured by pouring hole in steel cell compartment；Steel cell compartment is provided with ventilation Hole.
- 2. steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure according to claim 1, its feature exist In in addition to transverse steel, longitudinal reinforcement and peg, being preset with through hole on the transverse stiffener and longitudinal stiffener, laterally Reinforcing bar is arranged in the through hole of longitudinal stiffener, and longitudinal reinforcement is arranged in the through hole of transverse stiffener；The welding of peg exists On upper cover plate and lower cover, peg is perpendicular to cover plate plate face.
- 3. steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure according to claim 1, its feature exist In upper cover plate is different from lower cover extension elongation.
- 4. steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure according to claim 1, it is characterised in that Also include flat anchor slab and flat bellows, place the construction hole position of flat anchor slab in floorings upper cover plate, flat anchor slab and flat ripple Pipe is close to end diaphragm plate both sides.
- 5. a kind of construction method of steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure, it is characterised in that will laterally Ribbed stiffener, longitudinal stiffener are welded in the space being made up of upper cover plate, lower cover, coxostermum and end diaphragm plate, are divided into Multiple steel cell compartments；Pass through casting concrete and vibration compacting in the default pouring hole in steel box top and the Kong Xianggang casees that vibrate.
- 6. the construction method of steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure according to claim 5, Characterized in that, being preset with through hole on transverse stiffener, longitudinal stiffener, it is divided into before steel cell compartment and interts laterally in through hole Reinforcing bar and longitudinal reinforcement, and the weld stud on upper cover plate and lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711111240.9A CN107740344A (en) | 2017-11-13 | 2017-11-13 | Steel reinforced concrete combines Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711111240.9A CN107740344A (en) | 2017-11-13 | 2017-11-13 | Steel reinforced concrete combines Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107740344A true CN107740344A (en) | 2018-02-27 |
Family
ID=61234473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711111240.9A Pending CN107740344A (en) | 2017-11-13 | 2017-11-13 | Steel reinforced concrete combines Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure and construction method |
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| Country | Link |
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| CN (1) | CN107740344A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331664A (en) * | 2019-08-08 | 2019-10-15 | 山东高速高广公路有限公司 | Steel-concrete mixes Continuous Box Girder Bridge panel connector construction and its construction method |
| CN112832132A (en) * | 2020-12-31 | 2021-05-25 | 中交路桥华南工程有限公司 | Construction method of bridge steel-concrete combined section |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05222707A (en) * | 1991-02-27 | 1993-08-31 | Miyaji Tekkosho:Kk | Composite floor board bridge and construction thereof |
| JPH06200503A (en) * | 1992-12-29 | 1994-07-19 | Ishikawajima Harima Heavy Ind Co Ltd | Floor slab structure of bridge |
| US5509243A (en) * | 1994-01-21 | 1996-04-23 | Bettigole; Neal H. | Exodermic deck system |
| JP2003278112A (en) * | 2002-03-26 | 2003-10-02 | Daikure Co Ltd | Steel/concrete composite slab |
| CN201172796Y (en) * | 2008-04-03 | 2008-12-31 | 长安大学 | Steel box beam bridge deck structure with longitudinal ribs on |
| CN203222731U (en) * | 2013-04-22 | 2013-10-02 | 长沙理工大学 | Orthotropic steel concrete combined bridge floor structure |
| CN103758036A (en) * | 2014-01-23 | 2014-04-30 | 长安大学 | Thin-wall rib-plate-type ultra-high-strength integrated concrete bridge deck plate |
| CN104805767A (en) * | 2015-05-06 | 2015-07-29 | 山东大学 | Prefabricated assembly FRP-reinforcing steel-bar-concrete combined bridge deck and construction method |
| CN105113405A (en) * | 2015-08-21 | 2015-12-02 | 同济大学 | Composite bridge deck based on steel and UHPC (Ultra High Performance Concrete) |
| CN205529906U (en) * | 2016-04-08 | 2016-08-31 | 同济大学 | Take semi -closed trough perforated plate's quadrature opposite sex combination bridge panel |
| CN207597261U (en) * | 2017-11-13 | 2018-07-10 | 南昌大学 | Steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure |
-
2017
- 2017-11-13 CN CN201711111240.9A patent/CN107740344A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05222707A (en) * | 1991-02-27 | 1993-08-31 | Miyaji Tekkosho:Kk | Composite floor board bridge and construction thereof |
| JPH06200503A (en) * | 1992-12-29 | 1994-07-19 | Ishikawajima Harima Heavy Ind Co Ltd | Floor slab structure of bridge |
| US5509243A (en) * | 1994-01-21 | 1996-04-23 | Bettigole; Neal H. | Exodermic deck system |
| JP2003278112A (en) * | 2002-03-26 | 2003-10-02 | Daikure Co Ltd | Steel/concrete composite slab |
| CN201172796Y (en) * | 2008-04-03 | 2008-12-31 | 长安大学 | Steel box beam bridge deck structure with longitudinal ribs on |
| CN203222731U (en) * | 2013-04-22 | 2013-10-02 | 长沙理工大学 | Orthotropic steel concrete combined bridge floor structure |
| CN103758036A (en) * | 2014-01-23 | 2014-04-30 | 长安大学 | Thin-wall rib-plate-type ultra-high-strength integrated concrete bridge deck plate |
| CN104805767A (en) * | 2015-05-06 | 2015-07-29 | 山东大学 | Prefabricated assembly FRP-reinforcing steel-bar-concrete combined bridge deck and construction method |
| CN105113405A (en) * | 2015-08-21 | 2015-12-02 | 同济大学 | Composite bridge deck based on steel and UHPC (Ultra High Performance Concrete) |
| CN205529906U (en) * | 2016-04-08 | 2016-08-31 | 同济大学 | Take semi -closed trough perforated plate's quadrature opposite sex combination bridge panel |
| CN207597261U (en) * | 2017-11-13 | 2018-07-10 | 南昌大学 | Steel reinforced concrete combination Continuous Box Girder Bridge hogging moment area combined bridge deck harden structure |
Non-Patent Citations (1)
| Title |
|---|
| 《建筑工人职业技能培训教材》编委会, 中国建材工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331664A (en) * | 2019-08-08 | 2019-10-15 | 山东高速高广公路有限公司 | Steel-concrete mixes Continuous Box Girder Bridge panel connector construction and its construction method |
| CN112832132A (en) * | 2020-12-31 | 2021-05-25 | 中交路桥华南工程有限公司 | Construction method of bridge steel-concrete combined section |
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Application publication date: 20180227 |