CN109235253A - A kind of hinge seam sealing and connecting device - Google Patents
A kind of hinge seam sealing and connecting device Download PDFInfo
- Publication number
- CN109235253A CN109235253A CN201811011870.3A CN201811011870A CN109235253A CN 109235253 A CN109235253 A CN 109235253A CN 201811011870 A CN201811011870 A CN 201811011870A CN 109235253 A CN109235253 A CN 109235253A
- Authority
- CN
- China
- Prior art keywords
- reinforcing bar
- hinge
- hinge seam
- cored slab
- adjacent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 20
- 239000004567 concrete Substances 0.000 claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000005266 casting Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 133
- 238000010008 shearing Methods 0.000 claims description 29
- 239000010410 layer Substances 0.000 claims description 21
- 239000012790 adhesive layer Substances 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000011210 fiber-reinforced concrete Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 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
Abstract
A kind of hinge seam sealing and connecting device, sealing and connecting device include for connecting the interconnecting piece of adjacent two cored slab, the filling part being filled in hinge seam and the bridge deck pavement being laid on hollow plate top surface;Interconnecting piece includes the connector that several groups are arranged at intervals in hinge seam along the width direction of bridge;Connector includes one piece of connecting plate for being laid on adjacent two hollow plate top surface and covering hinge seam along bridge length direction, and connecting plate passes through fixed device along the both ends of bridge length direction respectively and is fixed on the top surface of adjacent two pieces of cored slabs;Connector further includes upper horizontal connection group, lower horizontal connection group and interconnection group.Filling part is the first concrete being filled in hinge seam.Road pavement layer includes being laid on the concrete layer formed on hollow plate top surface by the second concrete casting, and steel mesh is equipped in concrete layer, and steel mesh is fixedly linked with interconnecting piece.
Description
Technical field
The present invention relates to science of bridge building fields, and in particular to a kind of hinge seam sealing and connecting device.
Background technique
Due to assembled steel reinforced concrete or prefabricated concrete hollow slab girder have good structural behaviour, the factorial production,
The various features such as easy to transportation and installation, speed of application is fast, hollow slab girder is still that China's Short/Medium Span Bridge is most common at present
Top supporting member.In the construction of packaged type bridges, adjacent hollow plate-girder realizes bridge by cast-in-place groove and tognue type hinge seam
Lateral connection, so that the hollow slab girder of muti-piece lateral connection be made to have the function that common bearing load.In order to realize adjacent hollow
The purpose of common bearing load between plate-girder, the connecting structure that seam is cut with scissors between adjacent vacant core are just particularly important.Current
In the Hollow Slab Beam Bridge used, due to the increase of vehicle flowrate on road, and the overload of most vehicles, so that hollow slab girder hinge seam
There are many diseases.
Common disease includes:
(1) due to hinge seam between cast-in-place normal concrete shrinkage and creep it is big so that bridge hinge seam in concrete tension,
Breaking resistance is small.
(2) it is influenced by construction site hinge slit width degree, due to cutting with scissors the limitation of slit width degree, cast-in-place concrete is being vibrated in hinge seam
In the process there may be local concrete vibrating leakiness, causes concrete strength to be unsatisfactory for code requirement, cause construction quality
It is difficult to ensure;In addition, tension does not also result in hinge seam bottom and occurs when hinge seam bottom pulling force is excessive for normal concrete resistance to compression
Crack.
(3) adhesive property in hinge seam between cast-in-place concrete and cored slab side is also that hinge seam is caused to occur the one of crack
A major reason.
(4) lateral connection steel-bar arrangement is unreasonable in hinge seam, and the type of attachment of lateral connection reinforcing bar cannot be prevented effectively
The appearance and the extension after the appearance of crack of hinge seam position distress in concrete;The quantity arrangement of lateral connection reinforcing bar is on the low side, causes
Code requirement is not achieved in dowel intensity, and tensile capacity is lower, so that lateral connection effect cannot be functioned well as, makes to have leisure
Core bridge insufficient rigidity, bridge integrity are poor.
Due to the above reasons, when crack occurs in hinge seam, the effective shear resistance for cutting with scissors seam is weakened, with traveling load
Alternating action, the concrete cut with scissors in seam can be further destroyed, and bridge floor top ponding can be penetrated into hinge seam by cracking position
Portion has been further exacerbated by the corrosion of reinforcing bar and the deterioration of concrete, and the transmission force property for causing hinge to stitch reduces, adjacent hollow plate-girder association
It is weakened with bearing capacity.Concrete, which can be crushed, between hinge seam of a serious nature falls off, the lotus for causing cored slab where wheel to undertake
Load increases suddenly, " single slab bearing " phenomenon is presented, when load reaches a certain level, cored slab can be broken, vehicle and sky
Core can crash together.
Summary of the invention
In order to solve the problems, such as that existing bridge hinge seam is easily damaged, the present invention provides a kind of hinge seam sealing and connecting device.
The technical solution adopted by the present invention is that:
The embodiment of the present application provides a kind of hinge seam sealing and connecting device, if including spaced along bridge length direction
Dry block cored slab, the bottom of the adjacent two cored slab side facing each other have one section of inclined-plane, and adjacent two cored slab it
Between gap formed hinge seam;
The sealing and connecting device includes for connecting the interconnecting piece of adjacent two cored slab, being filled in filling out in the hinge seam
The bridge deck pavement for filling portion and being laid on the hollow plate top surface;
The interconnecting piece includes the connector that several groups are arranged at intervals in the hinge seam along the width direction of bridge;Institute
Stating connector includes one piece of connecting plate for being laid on the adjacent two hollow plate top surface and covering the hinge seam along bridge length direction,
The connecting plate passes through fixed device along the both ends of bridge length direction respectively and is fixed on the top surface of adjacent two pieces of cored slabs;
The connector further includes upper horizontal connection group, and adjacent two cored slab is arranged in the upper horizontal connection group
Between top;The upper horizontal connection group includes several spaced upper connection reinforcing bar groups of width direction along bridge,
The upper connection reinforcing bar group includes connecting reinforcing bar in a pair;The inner end of the pair of upper connection reinforcing bar is separately fixed at adjacent two institute
It states in cored slab, the outer end of the pair of upper connection reinforcing bar horizontal extension and tenses connected into hinge seam;
The connector further includes lower horizontal connection group, and adjacent two cored slab is arranged in the lower horizontal connection group
Between lower part;The lower horizontal connection group includes several spaced lower connection reinforcing bar groups of width direction along bridge,
The lower connection reinforcing bar group includes a pair of lower connection reinforcing bar;The inner end of the pair of lower connection reinforcing bar is horizontally fixed on adjacent respectively
In two cored slabs, the outer end of the pair of lower connection reinforcing bar tilts through the inclined-plane and horizontal into hinge seam respectively
Extend, and the outer end of the pair of lower connection reinforcing bar tenses and is connected;
The connector further includes interconnection group, the interconnection group, including several along the width side of bridge
To spaced cross wise reinforcement group, the cross wise reinforcement group includes under two upper inclined reinforcing bars and two being oppositely arranged up and down
Inclined reinforcing bar, the upper end of the upper inclined reinforcing bar are fixed on the bolt on the connecting plate lower surface, and the bolt is fixed on
On the connecting plate;The lower end of the lower inclined reinforcing bar is fixedly linked with the lower connection reinforcing bar of the same side respectively;On described
The lower end of inclined reinforcing bar extends downwards and to seam intermediate, inclined is cut with scissors, the centre that the upper end of the lower inclined reinforcing bar is stitched upwards and to hinge
Inclination extends, and the lower end of the upper inclined reinforcing bar is connected with the upper end cross of the lower inclined reinforcing bar and tension;
The filling part be filled in it is described hinge seam in the first concrete, and the filling part and it is described hinge seam inner wall
The first adhesive layer is equipped between face and the lower surface of the connecting plate;
The road pavement layer includes being laid on the concrete formed on the hollow plate top surface by the second concrete casting
Layer, and steel mesh is equipped in the concrete layer, the steel mesh is fixedly linked with the interconnecting piece, and the concrete layer
It is equipped with the second adhesive layer between the outer surface of the steel mesh, is set between the concrete layer and the contact surface of the interconnecting piece
There is third adhesive layer.
Further, the connecting plate is square plate.
Further, the fixed device is shearing peg, and the bottom end of the shearing peg is embedded in the cored slab
On top surface, and top surface and the connecting plate of the top of shearing peg through the cored slab, and the connecting plate is fixed on
On the top surface of the cored slab.
Further, the outer end of a pair of the upper horizontal connection group upper connection reinforcing bar squeezes sleeve by first and draws
Tightly and it is connected.
Further, the outer end of a pair of the upper horizontal connection group lower connection reinforcing bar squeezes sleeve by second and draws
Tightly and it is connected.
Further, the lower end of the upper inclined reinforcing bar and the upper end of the lower inclined reinforcing bar squeeze sleeve by third and draw
Tight and cross is connected.
Further, the steel mesh and the shearing peg and the bolt binding and fixing.
Further, first adhesive layer, second adhesive layer and the third adhesive layer are epoxy resin layer.
Further, the lower connection reinforcing bar is connect at the inclined-plane with the lower inclined reinforcing bar, and the lower inclination
The angle on reinforcing bar and the inclined-plane is 120 °.
The beneficial effects of the present invention are embodied in:
(1) pass through the connection of shearing peg and connecting plate on cored slab, the connection of upper horizontal connection group, lower horizontal connection
The connection of group can greatly improve the part of hinge seam so that transverse direction (along the bridge wide direction) globality and lateral stiffness of bridge improve
Force-bearing situation.
(2) by the connection of interconnection group in the connection of connecting plate and hinge seam, former Method Pre-stress Concrete Hollow Slab is effectively changed
Between load lateral stressed mechanism, realize from original hinged power transmission to the transformation of rigid beam power transmission, make load between girder
Transmitting definitely, can more be protected.
(3) filling of hinge seam using ungauged regions from fluidised form UHPFRC concrete, by the UHPFRC concrete stirred evenly from
One end is stitched between plate to pour into, and is conducive to exclude air, is made to be in the milk closely knit, UHPFRC concrete and cored slab side and high strength steel plate
Bonding forms whole, common stress;UHPFRC concrete has preferable compressive property and tensile property, can effectively participate in cutting with scissors
The compression of half part compressive region and the tension of lower half portion tensile region are sewed on, so that hinge seam top concrete is not easy to be crushed,
Lower concrete is not likely to produce cracking.
(4) ungauged regions from fluidised form UHPFRC inside concrete have steel fibre, can reduce hinge seam in concrete with it is hollow
Plate shrinkage and creep difference;In addition, the UHPFRC concrete containing steel fibre have lesser shrinkage (or ungauged regions) and
Stronger adhesive property and cracking resistance improve durability and the safety of the structure of hollow slab girder entirety again.
(5) the interconnection group designed according to fracture mechanics basic principle can be prevented effectively and be delayed along hinge seam bottom
Longitudinal direction (along bridge length direction) cracking;In addition, concrete meeting and cored slab of the bridge under traveling load alternating action, in hinge seam
Side be detached from or when destroying, interconnection group remains to transmit load;And when extraneous load is larger, cross wise reinforcement reaches
Strain can be entered after to yield situation, the bearing capacity of bridge is significantly increased, further slows down hollow slab bridge
Single slab bearing problem, while also avoiding vehicle and cored slab and falling down from the bridge together the generation of accident.
(6) the steel mesh binding in the shearing peg on connecting plate and bolt and bridge deck pavement is together, mixed pouring
After solidifying soil, is conducive to cored slab, hinge seam, bridge deck pavement and forms entirety, work together, improve the integral anti-shearing of hinge seam
Energy.
(7) have a common boundary due to will form new-old concrete between cored slab in hinge seam and bridge deck pavement casting concrete
Face, therefore, hinge seam and bridge deck pavement, should be first in cored slab sides and top surface spray epoxy in casting concrete, can
Effectively guarantee the bonds well of new-old concrete.
(8) connection of each reinforcing bar can avoid weld job, accelerated construction using the connection type for squeezing sleeve in the present invention
Progress;In addition, the connector in hinge seam longitudinally presses certain spacing arrangement along beams of concrete, the shear behavior of hinge seam ensure that.
(9) construction is simple of the present invention need to only increase the rebar connector being embedded in inside cored slab in hollow board prefabrication
Adding a small amount of work, when on-site consolidation, is further added by the connection work of sleeve extruding, convenient for construction, and it is cheap, favorably
In the control of construction quality.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention in an embodiment.
Fig. 2 is cross-sectional view of the invention in an embodiment.
Fig. 3 is top view of the invention in an embodiment.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the invention patent, it is clear that described
Embodiment is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, such as there is term "
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Referring to attached drawing, the present invention provides a kind of hinge seam sealing and connecting device, including along bridge length direction (i.e. Fig. 1~3
In x-axis direction) spaced several pieces of cored slabs 10, the bottom tool of adjacent two cored slab 10 side facing each other
There is one section of inclined-plane 11, and the gap between adjacent two cored slab 10 forms hinge seam 60;
Specifically, definition is left and right directions along bridge length direction (x-axis direction i.e. in Fig. 1~3), along high direction (the i.e. Fig. 1 of bridge
Z-axis direction in~3) it is up and down direction, it is front-rear direction along bridge wide direction (the y-axis direction i.e. in Fig. 1~3).
The sealing and connecting device includes for connecting the interconnecting piece of adjacent two cored slab 10, being filled in the hinge seam 60
Filling part and the bridge deck pavement that is laid on 10 top surface of cored slab;
The interconnecting piece includes the connector that several groups are arranged at intervals in the hinge seam along the width direction of bridge;Institute
Stating connector includes one piece of company for being laid on adjacent two 10 top surface of cored slab and covering the hinge seam 60 along bridge length direction
Fishplate bar 21, the connecting plate 21 along the both ends of bridge length direction pass through respectively fixed device 22 be fixed on adjacent two pieces it is described hollow
On the top surface of plate 10;
Specifically, the connecting plate 21 is rectangular high strength steel plate.
The connector further includes upper horizontal connection group, and the upper horizontal connection group is arranged in adjacent two cored slab 10
Top between;The upper horizontal connection group includes several spaced upper connection reinforcing bars of width direction along bridge
Group, the upper connection reinforcing bar group include that reinforcing bar 31 is connected in a pair;The inner end of the pair of upper connection reinforcing bar 31 is separately fixed at
In adjacent two cored slab 10, the outer end of the pair of upper connection reinforcing bar 31 is stitched horizontal extension in 60 to the hinge and is tensed
It is connected;
Specifically, it is described it is upper connection reinforcing bar group upper connection reinforcing bar 31 inner end anchored in cored slab 10 have it is enough
Length, to meet force request.
The connector further includes lower horizontal connection group, and the lower horizontal connection group is arranged in adjacent two cored slab 10
Lower part between;The lower horizontal connection group includes several spaced lower connection reinforcing bars of width direction along bridge
Group, the lower connection reinforcing bar group include a pair of lower connection reinforcing bar 41;The inner end of the pair of lower connection reinforcing bar 41 is horizontal solid respectively
It is scheduled in adjacent two cored slab 10, the outer end of the pair of lower connection reinforcing bar tilt respectively runs through the inclined-plane 11 and to institute
Horizontal extension in hinge seam 60 is stated, and the outer end of the pair of lower connection reinforcing bar tenses and is connected;
Specifically, the lower connection reinforcing bar 41 includes first horizontal segment 411, tilting section 412 and the second horizontal segment 413, and
The outer end of first horizontal segment 411 and the inner end of the second horizontal segment 413 are connected with the both ends of the tilting section 412 respectively;It is described to incline
Oblique section 412 runs through the inclined-plane 11, and the first horizontal segment 411 is horizontally set in cored slab 10, second horizontal segment
413 are horizontally set in hinge seam 60.The angle b on the tilting section 412 and the inclined-plane 11 is 90 degree, second horizontal segment
413 and the angle on the inclined-plane 11 are 45 °.
Specifically, it is described it is lower connection reinforcing bar group upper connection reinforcing bar 41 inner end anchored in cored slab 10 have it is enough
Length, to meet force request.
The connector further includes interconnection group, the interconnection group, including several along the width side of bridge
To spaced cross wise reinforcement group, the cross wise reinforcement group includes two upper inclined reinforcing bars 51 being oppositely arranged up and down and two
Lower inclined reinforcing bar 52, the upper end of the upper inclined reinforcing bar 51 is fixed on 23 on the bolt on 21 lower surface of connecting plate, described
Bolt 23 is fixed on the connecting plate 21;The lower end of the lower inclined reinforcing bar 52 lower connection reinforcing bar with the same side respectively
41 are fixedly linked;The lower end of the upper inclined reinforcing bar 51 extends downwards and to hinge 60 intermediate, inclineds of seam, the lower inclined reinforcing bar 52
Upper end extend upwards and to the intermediate, inclined of hinge seam 60, and the lower end of the upper inclined reinforcing bar 51 and the lower inclined reinforcing bar 52
Upper end cross and tense be connected;
The filling part is the first concrete being filled in the hinge seam 60, and the filling part and the hinge stitch 60
The first adhesive layer is equipped between inner wall and the lower surface of the connecting plate 21;
The road pavement layer includes being laid on the coagulation formed on 10 top surface of cored slab by the second concrete casting
Soil layer, and steel mesh is equipped in the concrete layer, the steel mesh is fixedly linked with the interconnecting piece, and the concrete
The second adhesive layer is equipped between layer and the outer surface of the steel mesh, between the concrete layer and the contact surface of the interconnecting piece
Equipped with third adhesive layer.
Further, the connecting plate 21 is square plate.
Further, the fixed device is shearing peg 22.Specifically, the bottom end of the shearing peg 22 is embedded in institute
On the top surface for stating cored slab 10, and top surface and the connecting plate of the top of the shearing peg 22 through the cored slab 10
21, and the connecting plate 21 is tightened on the top surface of the cored slab 10 by nut.
Specifically, after the shearing peg 22 is connect with the connecting plate 21, and tied up with the steel mesh in bridge deck pavement
It binds together.The shearing peg exceeds 21 upper surface certain length of connecting plate, and shearing peg 22 is according to connecting plate 21
What connection request was arranged symmetrically, convenient for the connection of connecting plate 21 and shearing peg 22.
Specifically, the shearing peg 22 may be arranged on four angles of the connecting plate 21.
Further, the outer end of a pair of the upper horizontal connection group upper connection reinforcing bar 31 squeezes sleeve by first
32 tense and are connected, and can avoid weld job, accelerate construction progress.
Further, the outer end of a pair of the upper horizontal connection group lower connection reinforcing bar 41 squeezes sleeve by second
42 tense and are connected, and can avoid weld job, accelerate construction progress.
Specifically, a pair lower connection reinforcing bar 41 of the lower horizontal connection group has certain bending angle, under described
The inner end of connection reinforcing bar 41 is embedded in the cored slab 10, after the outer end of the lower connection reinforcing bar is stretched out from the inclined-plane 11
Then bending horizontal extension and is connected by way of squeezing sleeve, avoidable weld job accelerates construction progress.
Further, the lower end of the upper inclined reinforcing bar 51 and the upper end of the lower inclined reinforcing bar 52 pass through third extruded sleeve
Cylinder 53 tenses and cross is connected.
Further, the steel mesh and 23 binding and fixing of the shearing peg 22 and the bolt.
Specifically, the steel mesh and the shearing peg 22 and the bolt 23 pass through reinforcing bar binding and fixing.
Further, first adhesive layer, second adhesive layer and the third adhesive layer are epoxy resin layer.
Further, first concrete is very-high performance fibre reinforced concrete (Ultra High
Performance Fibre Reinforced Concrete, referred to as: UHPFRC), the very-high performance fibre reinforced concrete
Including cement, agstone, silicon ash, quartz sand, water, steel fibre and plasticiser.
Specifically, the hinge stitches 60 tongue and grooves formed between adjacent vacant core 10, bridge floor is equipped with above cored slab 10
Pave-load layer has the steel mesh being arranged in length and breadth inside the bridge deck pavement.It is mixed from fluidised form UHPFRC that ungauged regions are poured in hinge seam 60
Solidifying soil, and the second concrete that bridge deck pavement pours is normal concrete (such as C50 normal concrete), the common coagulation
Soil includes cement, sandstone and water.
The ungauged regions poured inside the described hinge seam 60 from fluidised form UHPFRC concrete, with stronger adhesive property and
Cracking resistance;It is stirred evenly when pouring, from vibrating, can guarantee the quality requirement of concrete;Simultaneously as ungauged regions flow automatically
State UHPFRC inside concrete ginseng has a large amount of steel fibres, greatly improves bridge hinge and stitches laterally (along bridge wide direction) and longitudinal direction
The curved ability of tension and shear resistance of (along bridge length direction).
Further, the lower connection reinforcing bar 41 is connect at the inclined-plane 11 with the lower inclined reinforcing bar 52, and described
The angle a on lower inclined reinforcing bar 52 and the inclined-plane 11 is 120 °.
Specifically, the connecting plate 21 is equipped with the first through hole for the shearing peg 22 perforation, the shearing peg
22 bottom is embedded in the cored slab 10, the bottom of the shearing peg 22 through 10 top surface of cored slab and
The connecting plate 21 is simultaneously tightened on the cored slab 10 by nut by the first through hole.Connecting plate 21 and connecting plate 21
Cooperation can effectively improve the shear resistance of adjacent vacant core 10 lateral (along bridge wide direction) and vertical (along the high direction of bridge),
Further increase the stability of adjacent two pieces of cored slabs 10.
The connecting plate 21 is equipped with the second through-hole for the bolt 23 perforation, and the bottom of the bolt 23 is located at institute
The lower section of connecting plate 21 is stated, the upper end of the upper inclined reinforcing bar 51 is fastened on 23 bottom of bolt, and the updip
There is diagonal reinforcement 51 certain bending angle to be connected with adjusting windup-degree to intersect with the lower inclined reinforcing bar 52.The spiral shell
Bolt is tightened on the connecting plate 21 by being located at the nut of 21 upper and lower surface of connecting plate.And the upper inclination
The upper end of reinforcing bar 51 is clamped between the connecting plate 21 and nut.
Specifically, length and shearing peg 22 of the bolt 23 beyond 21 upper surface of connecting plate exceed the connection
The equal length of 21 upper surface of plate, convenient for cooperating with bridge deck pavement.
The specific connection structure of 51 upper end of upper inclined reinforcing bar and the bolt 23 are as follows: upper 51 upper end of inclined reinforcing bar
End in flat, and a circular hole is offered on the end of its upper 51 upper end of inclined reinforcing bar, the circular hole with it is described
The diameter of bolt 23 is adapted, to be set on the bolt 23, and the upper end of the upper inclined reinforcing bar 51 by bolt 23 with
Connecting plate 21 is fixed together.Upper inclined reinforcing bar 51 with certain bending angle can rotate certain angle around the bolt 23
Degree.Purpose is can suitably to adjust the position of inclined reinforcing bar 51, is convenient for itself and lower 52 interconnection of inclined reinforcing bar.The bolt 23
The length for stretching out 21 upper surface of connecting plate is convenient for binding with the steel mesh in bridge deck pavement, so that upper layer and lower layer are constituted
It is whole, improve the stability of bridge.
Specifically, it is upper connection reinforcing bar group upper connection reinforcing bar inner end and it is lower connection reinforcing bar group in lower connection reinforcing bar it is interior
End anchoring in cored slab has enough length, and stress performance meets design requirement
Specifically, a pair upper connection reinforcing bar of the upper connection reinforcing bar group, a pair of of institute of the lower connection reinforcing bar group
Stating lower connection reinforcing bar, the upper inclined reinforcing bar and the lower inclined reinforcing bar is fixedly linked by sleeve, for convenient for sleeve
It is press-connected, can slightly have slight misalignment at the both ends of sleeve.
Lower connection reinforcing bar 41 is to be embedded in 10 inside of cored slab and the reinforcing bar with certain bending angle (45 degree), from sky
It is stretched out on the inclined-plane 11 of 10 lower part of core and stitches 60 direction horizontal curvatures (45 degree) to hinge.Lower connection reinforcing bar 41 is in cored slab bottom plate
In should anchor enough length, tensile strength will meet design requirement, can effectively prevent hinge seam bottom due to hollow
Plate 10 is laterally bent through big and crack occurs;In addition lower connection reinforcing bar 41 will be also arranged symmetrically in adjacent vacant core, in order to
Extrusion socket joint.
Specifically, the lower inclined reinforcing bar 52 be by being stretched out from the inclined-plane on 10 inclined-plane 11 of cored slab, and with inclined-plane 11
Angle be 120 degree, lower inclined reinforcing bar 52 forms interconnection using the connection type for squeezing sleeve with upper inclined reinforcing bar 51.
The lower inclined reinforcing bar 52 as close as possible to 11 outer edge of inclined-plane and should anchor enough length in cored slab 10, and tension is strong
Degree will meet design requirement, can effectively prevent hinge seam bottom big since cored slab is laterally bent through and crack occur, if going out
Existing crack can effectively prevent and delay the extension in crack according to the interconnection group that fracture mechanics basic principle designs.
The upper inclined reinforcing bar 51 is identical with the diameter of the lower inclined reinforcing bar 52, structure stress can be made uniform in this way;
The length that the lower inclined reinforcing bar 52 stretches out inclined-plane 11 cannot be too long, is convenient for the lifting and assembly of cored slab 10 in this way, also can
Effectively prevent the corrosion of the lower inclined reinforcing bar 52;In addition the lower inclined reinforcing bar 52 also will in adjacent vacant core symmetrical cloth
It sets, in order to the connection of sleeve extruding.
Specifically, to the two sides (i.e. on the side of cored slab 10) of the hinge seam 60 and the connection of connection adjacent vacant core 10
Then the lower surface spray epoxy of plate 21 pours ungauged regions from fluidised form UHPFRC concrete, such energy into hinge seam 60 again
Enough adhesive properties greatly improved between concrete and cored slab side and high strength steel plate.Since ungauged regions are from fluidised form
UHPFRC inside concrete ginseng has a large amount of steel fibres, greatly improves bridge hinge and stitches the horizontal and vertical curved ability of tension and resist
Cut ability;In addition UHPFRC concrete itself has lesser shrinkage and stronger adhesive property and cracking resistance, then
Once improve durability and the safety of the structure of cored slab entirety.
In precast hollow slab 10, respectively by the shearing peg 22 being embedded in cored slab and upper horizontal connection group, be lauched
Flushconnection group is bound in corresponding position;10 concrete of cored slab is poured, shearing peg 22 stretches out hollow plate surface certain length, mesh
Be guarantee its with enough anchor forces and effectively overlap joint.The upper connection reinforcing bar group and lower horizontal connection group of upper horizontal connection group
Lower connection reinforcing bar group between to be symmetrical arranged, and there is slight misalignment, dislocation distance is the diameter of the reinforcing bar, it is therefore an objective to convenient
Sleeve connection.Lower connection reinforcing bar;The length for stretching out inclined-plane 11 also cannot be too long, is convenient for the lifting and assembly of cored slab 10 in this way,
Also the corrosion of lower connection reinforcing bar can effectively be prevented.
Prefabricated cored slab 10 is lifted in place, connecting plate connects two adjacent cored slabs 10 in conjunction with shearing peg
It is connected together, and is secured with nuts.
There to be the upper inclined reinforcing bar of certain bending angle (105 °) to connect with connecting plate with bolt 23, and solid with nut
It is fixed.The template of supporting hinge seam bottom, and to the lower surface spray epoxy of the side of cored slab 10 and steel plate, it will stir evenly
Ungauged regions poured into from fluidised form UHPFRC concrete from hinge seam one end, make it full of gap, guarantee that grouting is closely knit;Wait cut with scissors in seam
After concrete strength reaches requirement, then to cored slab top plate spray epoxy, poured with the C50 normal concrete stirred evenly
Build bridge deck pavement, and vibration compacting.
The present invention utilizes shearing peg, bolt, connecting plate, upper horizontal connection group, lower horizontal connection group and interconnection group
Ungauged regions in cored slab, hinge seam are combined into completely new hollow slab girder hinge seam from fluidised form UHPFRC concrete, bridge deck pavement, are made
Sewer, which must be cut with scissors, very strong lateral connection performance, the rigidity and the overall deformation coordination ability of bridge is improved, to further mention
The safety of high bridge structure and durability.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range is not construed as being only limitted to the concrete form of embodiment statement, and protection scope of the present invention is also and in those skilled in the art
Member according to the present invention design it is conceivable that equivalent technologies mean.
Claims (9)
1. a kind of hinge stitches sealing and connecting device, it is characterised in that: including along the spaced several pieces of skies in bridge length direction
Core, the bottom of the adjacent two cored slab side facing each other have one section of inclined-plane, and between adjacent two cored slab between
Gap forms hinge seam;
The sealing and connecting device includes the filling part for connecting the interconnecting piece of adjacent two cored slab, being filled in the hinge seam
With the bridge deck pavement being laid on the hollow plate top surface;
The interconnecting piece includes the connector that several groups are arranged at intervals in the hinge seam along the width direction of bridge;The company
Fitting includes one piece of connecting plate for being laid on the adjacent two hollow plate top surface and covering the hinge seam along bridge length direction, described
Connecting plate passes through fixed device along the both ends of bridge length direction respectively and is fixed on the top surface of adjacent two pieces of cored slabs;
The connector further includes upper horizontal connection group, and the top of adjacent two cored slab is arranged in the upper horizontal connection group
Between;The upper horizontal connection group includes several spaced upper connection reinforcing bar groups of width direction along bridge, described
Upper connection reinforcing bar group includes connecting reinforcing bar in a pair;The inner end of the pair of upper connection reinforcing bar is separately fixed at adjacent two sky
In core, the outer end of the pair of upper connection reinforcing bar horizontal extension and tenses connected into hinge seam;
The connector further includes lower horizontal connection group, and the lower part of adjacent two cored slab is arranged in the lower horizontal connection group
Between;The lower horizontal connection group includes several spaced lower connection reinforcing bar groups of width direction along bridge, described
Lower connection reinforcing bar group includes a pair of lower connection reinforcing bar;The inner end of the pair of lower connection reinforcing bar is horizontally fixed on adjacent two institute respectively
It states in cored slab, the outer end of the pair of lower connection reinforcing bar is tilted respectively through the inclined-plane and level is prolonged into hinge seam
It stretches, and the outer end of the pair of lower connection reinforcing bar tenses and is connected;
The connector further includes interconnection group, the interconnection group, between the width direction including several along bridge
Every the cross wise reinforcement group of setting, the cross wise reinforcement group includes two upper inclined reinforcing bars being oppositely arranged up and down and tilts under two
Reinforcing bar, the upper end of the upper inclined reinforcing bar are fixed on the bolt on the connecting plate lower surface, and the bolt is fixed on described
On connecting plate;The lower end of the lower inclined reinforcing bar is fixedly linked with the lower connection reinforcing bar of the same side respectively;The upper inclination
The lower end of reinforcing bar extends downwards and to seam intermediate, inclined is cut with scissors, the intermediate, inclined that the upper end of the lower inclined reinforcing bar is stitched upwards and to hinge
Extend, and the lower end of the upper inclined reinforcing bar is connected with the upper end cross of the lower inclined reinforcing bar and tension;
The filling part be filled in it is described hinge seam in the first concrete, and the filling part and it is described hinge seam inner wall and
The first adhesive layer is equipped between the lower surface of the connecting plate;
The road pavement layer include be laid on the concrete layer formed on the hollow plate top surface by the second concrete casting, and
Steel mesh is equipped in the concrete layer, the steel mesh is fixedly linked with the interconnecting piece, and the concrete layer and institute
It states and is equipped with the second adhesive layer between the outer surface of steel mesh, the is equipped between the concrete layer and the contact surface of the interconnecting piece
Three adhesive layers.
2. a kind of hinge as described in claim 1 stitches sealing and connecting device, it is characterised in that: the connecting plate is square plate.
3. a kind of hinge as described in claim 1 stitches sealing and connecting device, it is characterised in that: the fixed device is shearing bolt
Nail, the bottom end of the shearing peg are embedded on the top surface of the cored slab, and the cored slab is run through on the top of shearing peg
Top surface and the connecting plate, and the connecting plate is fixed on the top surface of the cored slab.
4. a kind of hinge as described in claim 1 stitches sealing and connecting device, it is characterised in that: a pair of the upper horizontal connection group
The outer end of the upper connection reinforcing bar is tensed and is connected by the first extruding sleeve.
5. a kind of hinge as described in claim 1 stitches sealing and connecting device, it is characterised in that: a pair of the upper horizontal connection group
The outer end of the lower connection reinforcing bar is tensed and is connected by the second extruding sleeve.
6. a kind of hinge as described in claim 1 stitches sealing and connecting device, it is characterised in that: the lower end of the upper inclined reinforcing bar with
The upper end of the lower inclined reinforcing bar squeezes sleeve tension by third and cross is connected.
7. a kind of hinge as described in claim 1 stitches sealing and connecting device, it is characterised in that: the steel mesh and the shearing bolt
Nail and the bolt binding and fixing.
8. a kind of hinge seam sealing and connecting device as described in claim 1, it is characterised in that: first adhesive layer, described the
Two adhesive layers and the third adhesive layer are epoxy resin layer.
9. a kind of hinge as described in claim 1 stitches sealing and connecting device, it is characterised in that: the lower connection reinforcing bar with it is described under
Inclined reinforcing bar connects at the inclined-plane, and the angle on the lower inclined reinforcing bar and the inclined-plane is 120 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811011870.3A CN109235253B (en) | 2018-08-31 | 2018-08-31 | Hinge joint sealing connection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811011870.3A CN109235253B (en) | 2018-08-31 | 2018-08-31 | Hinge joint sealing connection device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109235253A true CN109235253A (en) | 2019-01-18 |
CN109235253B CN109235253B (en) | 2024-04-09 |
Family
ID=65069164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811011870.3A Active CN109235253B (en) | 2018-08-31 | 2018-08-31 | Hinge joint sealing connection device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109235253B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110093850A (en) * | 2019-06-20 | 2019-08-06 | 福州大学 | A kind of seamless bridge corbel back slab construction and its construction method with X-shaped steel muscle |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102787559A (en) * | 2012-07-16 | 2012-11-21 | 长沙理工大学 | Installation method for durable hinge joint of full life concrete bridge |
CN202595616U (en) * | 2012-04-13 | 2012-12-12 | 长沙理工大学 | Concrete bridge with durable hinge joint device |
CN203821254U (en) * | 2014-05-22 | 2014-09-10 | 浙江大学宁波理工学院 | Rigid connection reinforcing device for hinge joint of fabricated plate girders |
CN104594189A (en) * | 2015-01-21 | 2015-05-06 | 何小兵 | Hinge joint structure with composite shear keys and precast slab bridge thereof |
CN105971199A (en) * | 2016-05-18 | 2016-09-28 | 蒋文 | Adjustable steel bar straight thread connecting sleeve and steel bar straight thread connecting method |
CN106149560A (en) * | 2015-04-23 | 2016-11-23 | 郑州大学 | A kind of hinge seam connecting structure of hollow slab bridge |
JP2017096044A (en) * | 2015-11-27 | 2017-06-01 | 高田機工株式会社 | Bridge floor slab connection structure |
CN209162631U (en) * | 2018-08-31 | 2019-07-26 | 浙江工业大学 | A kind of hinge seam sealing and connecting device |
-
2018
- 2018-08-31 CN CN201811011870.3A patent/CN109235253B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202595616U (en) * | 2012-04-13 | 2012-12-12 | 长沙理工大学 | Concrete bridge with durable hinge joint device |
CN102787559A (en) * | 2012-07-16 | 2012-11-21 | 长沙理工大学 | Installation method for durable hinge joint of full life concrete bridge |
CN203821254U (en) * | 2014-05-22 | 2014-09-10 | 浙江大学宁波理工学院 | Rigid connection reinforcing device for hinge joint of fabricated plate girders |
CN104594189A (en) * | 2015-01-21 | 2015-05-06 | 何小兵 | Hinge joint structure with composite shear keys and precast slab bridge thereof |
CN106149560A (en) * | 2015-04-23 | 2016-11-23 | 郑州大学 | A kind of hinge seam connecting structure of hollow slab bridge |
JP2017096044A (en) * | 2015-11-27 | 2017-06-01 | 高田機工株式会社 | Bridge floor slab connection structure |
CN105971199A (en) * | 2016-05-18 | 2016-09-28 | 蒋文 | Adjustable steel bar straight thread connecting sleeve and steel bar straight thread connecting method |
CN209162631U (en) * | 2018-08-31 | 2019-07-26 | 浙江工业大学 | A kind of hinge seam sealing and connecting device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110093850A (en) * | 2019-06-20 | 2019-08-06 | 福州大学 | A kind of seamless bridge corbel back slab construction and its construction method with X-shaped steel muscle |
Also Published As
Publication number | Publication date |
---|---|
CN109235253B (en) | 2024-04-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205894313U (en) | Prefabricated assembled steel pipe retrains frame node entirely | |
CN105297641B (en) | Highway T beam diaphragm plate prestressed reinforcement structure and carry out the engineering method reinforced with it | |
CN108978434A (en) | A kind of Novel steel-is mixed to be combined Continuous Box Girder Bridge and its industrializes construction method without bracket | |
CN108487461A (en) | Precast prestressed concrete frame bean column node with additional bar and sleeve | |
CN105862538A (en) | Assembling type inclined slow-adhesion pre-stressed concrete road surface structure | |
CN205711596U (en) | Assembled oblique bond-retarded prestressed concrete pavement structure | |
CN109914234A (en) | A kind of bolted prefabricated subsection shearing resistance assembly concrete pier | |
CN209162631U (en) | A kind of hinge seam sealing and connecting device | |
CN106149560A (en) | A kind of hinge seam connecting structure of hollow slab bridge | |
CN108330806A (en) | The steel-that compoiste adhering anchors shear connections knot mixes combined beam structure and production method | |
CN109594484A (en) | Bridge strengthening device, ruggedized construction, reinforced construction method and reinforcement and repair method | |
CN110644361A (en) | Steel-concrete composite beam bridge deck | |
CN106869008A (en) | The composite bridge prefabricated bridge of dry type connection and its dry type connection method | |
CN206408639U (en) | Assembled steel reinforced concrete composite bridge | |
CN109235253A (en) | A kind of hinge seam sealing and connecting device | |
CN207435923U (en) | A kind of bridge strengthening device and ruggedized construction | |
CN208933811U (en) | A kind of novel steel-concrete combination Continuous Box Girder Bridge of erection without scaffolding | |
CN108518005A (en) | A kind of concrete hollow superimposed sheet | |
CN105178165B (en) | Tension face layer compound-reinforced reinforced concrete continuous rigid frame bridge and construction method thereof | |
CN208586501U (en) | A kind of mixed combined beam structure of steel-of compoiste adhering anchoring shear connections knot | |
CN106812244A (en) | The preparation method of the continuous superposed floor of precast beam, prefabricated PC and superstructure | |
KR100989313B1 (en) | Bridge structure by composition slab with reinforced tensile strength | |
CN208328647U (en) | A kind of durable lower flange hollow slab bridge of the quick prefabricated assembled light in city | |
CN110185179A (en) | Assembled hangs the building structure of superstructure Self-resetting and construction method | |
CN206722214U (en) | Precast beam and the continuous superposed floor of prefabricated PC |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |