CN209194326U - A kind of assembled Multidirectional displacement bridge expansion device - Google Patents
A kind of assembled Multidirectional displacement bridge expansion device Download PDFInfo
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- CN209194326U CN209194326U CN201920628505.0U CN201920628505U CN209194326U CN 209194326 U CN209194326 U CN 209194326U CN 201920628505 U CN201920628505 U CN 201920628505U CN 209194326 U CN209194326 U CN 209194326U
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- buried
- positioning component
- sleeve barrel
- embedded
- tooth plate
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Abstract
In the embodiment of the present application, provide a kind of assembled Multidirectional displacement bridge expansion device, including the flexible tooth plate in a left side and right flexible tooth plate, pre-buried positioning component, anchor bolt, hydrophobic component and dust preventing component, different beam body mounting means can be selected for different installation requirements, its mode is installed simply, operating efficiency is high, can after being mounted with tooling cover board and being laid with pave-load layer open to traffic, shorten the duty cycle of entire engineering；The assembled Multidirectional displacement bridge expansion device of the application is became one left and right pre-buried positioning component by channel steel, installation personnel construction is simple, installation speed is greatly improved, and pre-buried positioning component and pre-buried anchor rib are installed as an entirety, guarantees quality.
Description
Technical field
This application involves science of bridge building technical field of buildings more particularly to a kind of assembled Multidirectional displacement bridge expansion devices
And installation method.
Background technique
Bridge extension joint is the important connecting component between highway, railroad bridge end, the quality and performance of the device
The durability of bed rearrangement bridge will be directly affected.Since bridge extension joint is arranged in beam-ends bridge floor weak part, another straight receiving
The influence corroded of various natural environments, will appear in use process it is cold and hot it is flexible, oscillation in the pitch mode tilting, lateral oscillation are opposite turns round
The problems such as dynamic equal multi-directional deflections, therefore include: that waterproof performance is good, each structure in capable of expansion and contraction and device to the general requirement of the device
Part durability is good, and the overall structure and installation accuracy of especially bridge extension joint need to reach design requirement, in favor of vehicle
Low noise when crossing, vibration are small, to realize that bridge extension joint overall operation is good, long service life and easy to maintain.
It is all reserved notch before existing bridge extension joint in-site installation, reserving has pre-buried anchor rib in notch, then
Rag, sandbag or C20 concrete is generally used to be laid with interim expansion joint at the notch of expansion joint, then with bridge face on interim expansion joint
It is whole together to be laid with pave-load layer and pavement asphalt, then first cut when installing bridge extension joint and remove two layers of drip at expansion joint
Blueness, cuts interim expansion joint, and cleaning beam-ends exposes pre-buried anchor rib, then gradually installs bridge extension joint.This installation side
There is expansion joints to seriously affect bridge floor crossed construction, benefit and duration for method, influences greatly on bridge following environment, and bridge floor intersection is applied
Work and later period expansion joint installation cleaning rubbish are easy the technical issues of falling on the abutment of expansion joint, influencing safety and environment.
A kind of assembled Multidirectional displacement bridge expansion device and installation method are disclosed at present to solve the above problems, still
It is longer that the telescopic device and installation method still remain the duration, and then the technical issues of influence bridge deck traffic.
Summary of the invention
The embodiment of the present application provides a kind of assembled Multidirectional displacement bridge expansion device and installation method, realizes into one
Step shortens the construction period, and is easily installed and is laid with.
In view of this, the application first aspect provides a kind of assembled Multidirectional displacement bridge expansion device, described device
Include:
The flexible tooth plate 5 in a left side and right flexible tooth plate 10, pre-buried positioning component, anchor bolt 6, hydrophobic component and dust preventing component；
The anchor bolt 6 is stairstepping and lower end stepped diameters are less than upper end step diameter；
The pre-buried positioning component includes: left pre-buried positioning component 4 and right pre-buried positioning component 11, left support part 20 and the right side
Supporting element 21；
The pre-buried positioning component 4 in a left side include: along longitudinal direction and column distribution left embedded sleeve barrel 17, the left embedded sleeve barrel 17
Cooperate with the lower end of the anchor bolt 6, the left embedded sleeve barrel 17 is three hierarchic structures, the centre of the left embedded sleeve barrel 17
Stair-step is identical as the diameter of bottom stair-step and is greater than top step step, reserves at bridge expanssion joint notch pre-buried
Anchor rib 12 passes through the left pre-embedded steel slab 14 and is welded and fixed, and passes through bottom stair-step between the left embedded sleeve barrel 17
Upper end is welded left pre-embedded steel slab 14 and is fixedly connected, and it is right with the left embedded sleeve barrel 17 to be distributed with respectively on the left flexible tooth plate 5
The left counterbore answered, the top bar diameter and depth of the left counterbore respectively with the upper end step diameter and depth of the anchor bolt 6
It spends identical；
The pre-buried positioning component 11 in the right side include: along longitudinal direction and column distribution right embedded sleeve barrel 18, the right embedded sleeve barrel
18 cooperate with the lower end of the anchor bolt 6, and the right embedded sleeve barrel 18 is three hierarchic structures, in the right embedded sleeve barrel 18
Between stair-step it is identical as the diameter of bottom stair-step and be greater than top step step, that reserves at bridge expanssion joint notch is pre-
Anchor rib 12 is buried across right pre-embedded steel slab 15 and is welded and fixed, passes through the upper of bottom stair-step between the right embedded sleeve barrel 18
End is welded right pre-embedded steel slab 15 and is fixedly connected, and is distributed with respectively on the right flexible tooth plate 10 corresponding with the right embedded sleeve barrel 18
Right counterbore, the top bar diameter and depth of the right counterbore respectively with the upper end step diameter and depth of the anchor bolt 6
It is identical；
The left support part 20 and the right support 21 are angle steel, and are respectively arranged at the pre-buried positioning component 4 in the left side
The pre-buried positioning component 11 in right side and the right side left side, the inner face of the left support part 20 and the right support 21
It is fixedly connected respectively with the left pre-embedded steel slab 14 and the right pre-embedded steel slab 15；
The hydrophobic component includes width U-shaped sink 9 identical with the bridge expanssion joint notch；
The both sides of the U-shaped sink 9 pass through respectively angle steel and the left support part 20 right side and the right support
21 left side is fixedly connected；
The dust preventing component includes being set to the left flexible tooth plate 5 and the right flexible 10 infall bottom of tooth plate not
Become rusty steel plate 8；
Elastic parts 7 is additionally provided with below the stainless steel plate 8；
The third through-hole of equidistantly distributed, the left side are provided on the left pre-embedded steel slab 14 and the right pre-embedded steel slab 15
Pre-embedded steel slab 14 is provided with the two column third through-hole, left 14 top surface of pre-embedded steel slab between the two column third through-holes
It is further fixed on longitudinally disposed baffle 16, the elastic parts 7 is set between the baffle 16 and the left support part 20,
And the elastic parts 7 holds out against the stainless steel plate 8 under the left flexible tooth plate 5 and right flexible 10 infall of tooth plate
Surface.
Optionally, the pre-buried positioning component further includes channel steel 22；
Pass through channel steel transversely arranged evenly between the pre-buried positioning component 4 in a left side and the pre-buried positioning component 11 in the right side
22 connect, and offer first through hole corresponding with the left embedded sleeve barrel 17 and the right embedded sleeve barrel 18 in the channel steel 22,
The channel steel 22 is connect with the pre-buried positioning component 11 of the pre-buried positioning component 4 in the left side and the right side by the anchor bolt 6,
The both ends of the channel steel 22 offer the second through-hole used for positioning.
Optionally, the top of the anchor bolt 6 offers the notch with the cooperation of screw pressurizing machine.
The application second aspect provides a kind of installation method of assembled Multidirectional displacement bridge expansion device, the method packet
It includes:
Determine that the beam body 1 of installation, the beam body 1 include Cast-in-situ Beam, precast beam and steel box-girder；
If the beam body 1 is Cast-in-situ Beam, will be stretched with the assembled multi-directional deflection bridge before being laid with pave-load layer
The beam body 1 of pre-buried positioning component formwork and the concrete casting of compression apparatus carries out the peace of surface treatment and tooling cover board 19
Dress；
If the beam body 1 is precast beam or steel box-girder, before being laid with pave-load layer, by the assembled multi-directional deflection bridge
The pre-buried positioning component of telescopic device and the beam body 1 are fixedly mounted, and carry out the casting of coagulation body to the beam body 1, at surface
The installation of reason and tooling cover board 19；
After being laid with pave-load layer, to being mounted with that the beam body 1 of the tooling cover board 19 carries out left flexible 5 He of tooth plate
The installation of the right flexible tooth plate 10.
Optionally, when the beam body 1 binds roof steel bar, the assembled is more if the beam body 1 is Cast-in-situ Beam
To the pre-buried positioning component and pre-buried anchor rib reserved at the bridge expanssion joint notch of the beam body 1 of displacement bridge extension joint
12 are positioned and are welded, and are welded in by the U-shaped sink 9 of the assembled Multidirectional displacement bridge expansion device by angle steel
After between the right side of the left support part 20 of the assembled Multidirectional displacement bridge expansion device and the left side of right support 21,
Concrete 3 is directly carried out to be poured, it will be pre- with the assembled Multidirectional displacement bridge expansion device before being laid with pave-load layer
The beam body 1 for burying positioning component formwork and concrete casting carries out surface treatment and the installation of tooling cover board 19.
Optionally, if the beam body 1 be precast beam or steel box-girder, it is before being laid with pave-load layer, the assembled is multidirectional
The U-shaped sink 9 of displacement bridge extension joint is welded in the left branch of the assembled Multidirectional displacement bridge expansion device by angle steel
Between the right side of support member 20 and the left side of right support 21, and by the assembled Multidirectional displacement bridge expansion device
After the pre-buried anchor rib 12 reserved at pre-buried positioning component and the bridge expanssion joint notch of the beam body 1 is positioned and is welded,
The installation of the casting of concrete 3, surface treatment and tooling cover board 19 is carried out to the beam body 1.
Optionally, described that the beam body 1 progress coagulation body casting is specifically included:
Using concrete 3 be poured the good assembled Multidirectional displacement bridge expansion device of formwork pre-buried positioning component and
The beam body 1, left embedded sleeve barrel 17 and the right side of the casting height of concrete 3 with the assembled Multidirectional displacement bridge expansion device
The top end face of embedded sleeve barrel 18 is contour.
Optionally, the installation of the tooling cover board 19 specifically includes:
It will offer pre- with the left embedded sleeve barrel 17 of the assembled Multidirectional displacement bridge expansion device and the right side
The tooling cover board 19 for burying the corresponding through-hole of sleeve 18 is installed on the pre-buried positioning component 4 in the left side and the right side by mobilizable bolt
The top of pre-buried positioning component 11.
Optionally, it is mounted with that the beam body 1 of the tooling cover board 19 carries out the left flexible tooth plate 5 and described for described pair
The installation and leveling of the flexible tooth plate 10 in the right side specifically include:
Bitumen layer 2 is carried out in the beam body 1 for being mounted with the tooling cover board 19 to be laid with；
After the completion of the bitumen layer 2 is laid with, according to the structure determination of the left flexible tooth plate 5 and the right flexible tooth plate 10
Cutting seam area；
After removing the tooling cover board 19 in the beam body 1, area is stitched according to the cutting and is cut；
After carrying out dabbing to the seam area bottom surface that cutting obtains, the baffle of Xiang Suoshu assembled Multidirectional displacement bridge expansion device
Elastomer is perfused between 16 and left support part 20 and constitutes elastic parts 7, stainless steel plate 8, described is successively installed by anchor bolt 6
The flexible tooth plate 5 in a left side and the right flexible tooth plate 10, the stainless steel plate 8 are set to the left flexible tooth plate 5 and described right flexible
10 infall bottom of tooth plate.
Optionally, stainless steel plate 8, the left flexible tooth plate 5 and the right side of successively being installed by anchor bolt 6 is stretched
After tooth plate 10 further include:
The anchor bolt 6 is adjusted using screw pressurizing machine, until the left flexible tooth plate 5 and the right side are flexible
The difference in height on the top surface of tooth plate 10 and road surface is within a preset range.
It is husky to the left flexible tooth plate 5 and right flexible 10 subscript of tooth plate high level, the 13 perfusion leveling concrete or epoxy
Slurry.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that
In the embodiment of the present application, a kind of assembled Multidirectional displacement bridge expansion device and its installation method are provided, for
Different beam bodies proposes corresponding mount scheme；
Directly the pre-buried positioning component and beam body of assembled Multidirectional displacement bridge expansion device are existed for Cast-in-situ Beam
Formwork and concrete casting, scene can carry out surface treatment and the installation of tooling cover board after being directly laid with Cast-in-situ Beam in factory,
It may wait for laying pave-load layer completion after the completion to be open to traffic, the installation of flexible tooth plate can be carried out to beam body again after open to traffic；
It is multidirectional to assembled at the construction field (site) for precast beam or steel box-girder to become the pre-buried fixed of bridge extension joint
Hyte part and U-shaped sink carry out it is fixed and positioned after can carry out concrete casting, surface treatment and tooling cover board peace
Dress may wait for laying pave-load layer completion after the completion and be open to traffic, and can carry out the installation of flexible tooth plate to beam body again after open to traffic；
The application can select different beam body mounting means for different installation requirements, and mode is installed simply, operation effect
Rate is high, can after being mounted with tooling cover board and being laid with pave-load layer open to traffic, shorten the duty cycle of entire engineering；
Left and right pre-buried positioning component is become one by channel steel by the assembled Multidirectional displacement bridge expansion device of the application
Body, installation personnel construction is simple, installation speed are greatly improved, pre-buried positioning component and pre-buried anchor rib be installed as one it is whole
Body guarantees quality.
The application also passes through the flexible tooth plate dispersion noise of comb teeth-shaped, reduces noise pollution.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of assembled Multidirectional displacement bridge expansion device in the embodiment of the present application；
Fig. 2 is a kind of sectional view of assembled Multidirectional displacement bridge expansion device in the embodiment of the present application；
Fig. 3 is the structural schematic diagram of the left embedded sleeve barrel and right embedded sleeve barrel in the embodiment of the present application；
Fig. 4 is the structural schematic diagram of the bolt-nut in the embodiment of the present application；
Fig. 5 is that the left embedded sleeve barrel being connected as one in the embodiment of the present application, anchor bolt, left flexible tooth plate and a left side are pre-buried
Steel plate structure or right embedded sleeve barrel, bolt-nut, right flexible tooth plate and right pre-embedded steel slab structure structural schematic diagram；
Fig. 6 is the structural schematic diagram of the formwork of Cast-in-situ Beam in the embodiment of the present application；
Fig. 7 is to carry out the structural schematic diagram after concrete casting to the Cast-in-situ Beam after formwork in the embodiment of the present application；
Fig. 8 is the structural schematic diagram of the Cast-in-situ Beam that tooling cover board is mounted in the embodiment of the present application, precast beam or steel box-girder；
Fig. 9 is the structural schematic diagram of precast beam in the embodiment of the present application；
Figure 10 is the structural schematic diagram that the precast beam of U-shaped sink is mounted in the embodiment of the present application；
Figure 11 is the knot that the precast beam of left pre-buried positioning component and right pre-buried positioning component is mounted in the embodiment of the present application
Structure schematic diagram；
Figure 12 is to be poured the precast beam of coagulation or the structural schematic diagram of steel box-girder in the embodiment of the present application；
Figure 13 is the steel box-girder that left pre-buried positioning component 4 and right pre-buried positioning component 11 are mounted in the embodiment of the present application
Structural schematic diagram；
Figure 14 is the structural schematic diagram of the Cast-in-situ Beam, precast beam or the steel box-girder that are cut in the embodiment of the present application；
Figure 15 is a kind of complete structure schematic diagram of assembled Multidirectional displacement bridge expansion device in the embodiment of the present application；
Wherein, appended drawing reference are as follows:
1, beam body；2, bitumen layer；3, concrete；4, left pre-buried positioning component；5, left flexible tooth plate；6, anchor bolt；7,
Elastic parts；8, stainless steel plate；9, U-shaped sink；10, right flexible tooth plate；11, right pre-buried positioning component；12, pre-buried anchor rib；
13, absolute altitude layer；14, left pre-embedded steel slab；15, right pre-embedded steel slab；16, baffle；17, left embedded sleeve barrel；18, right embedded sleeve barrel；19,
Tooling cover board；20, left support part；21, right support；22, channel steel.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only this
Apply for a part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall in the protection scope of this application.
The application devises a kind of assembled Multidirectional displacement bridge expansion device and installation method, realizes further shortening
Duration is easily installed and is laid with.
In order to make it easy to understand, please referring to Fig. 1,2 and 15, a kind of assembled multi-directional deflection bridge is flexible in the embodiment of the present application
One embodiment of device includes:
The flexible tooth plate 5 in a left side and right flexible tooth plate 10, pre-buried positioning component, anchor bolt 6, hydrophobic component and dust preventing component；
The anchor bolt 6 is stairstepping and lower end stepped diameters are less than upper end step diameter；
The pre-buried positioning component includes: left pre-buried positioning component 4 and right pre-buried positioning component 11, left support part 20 and the right side
Supporting element 21；
The pre-buried positioning component 4 in a left side include: along longitudinal direction and column distribution left embedded sleeve barrel 17, the left embedded sleeve barrel 17
Cooperate with the lower end of the anchor bolt 6, the left embedded sleeve barrel 17 is three hierarchic structures, the centre of the left embedded sleeve barrel 17
Stair-step is identical as the diameter of bottom stair-step and is greater than top step step, reserves at bridge expanssion joint notch pre-buried
Anchor rib 12 passes through the bottom stair-step of the left embedded sleeve barrel 17 and is welded and fixed, and passes through between the left embedded sleeve barrel 17
The upper end of bottom stair-step is welded left pre-embedded steel slab 14 and is fixedly connected, be distributed with respectively on the left flexible tooth plate 5 with it is described
The corresponding left counterbore of left embedded sleeve barrel 17, the top bar diameter and depth of the left counterbore are upper with the anchor bolt 6 respectively
Hold stepped diameters identical with depth；
The pre-buried positioning component 11 in the right side include: along longitudinal direction and column distribution right embedded sleeve barrel 18, the right embedded sleeve barrel
18 cooperate with the lower end of the anchor bolt 6, and the right embedded sleeve barrel 18 is three hierarchic structures, in the right embedded sleeve barrel 18
Between stair-step it is identical as the diameter of bottom stair-step and be greater than top step step, that reserves at bridge expanssion joint notch is pre-
Anchor rib 12 is buried across the bottom stair-step of the right embedded sleeve barrel 18 and is welded and fixed, is led between the right embedded sleeve barrel 18
The upper end for crossing bottom stair-step is welded right pre-embedded steel slab 15 and is fixedly connected, and is distributed with respectively on the right flexible tooth plate 10 and institute
State the corresponding right counterbore of right embedded sleeve barrel 18, the top bar diameter and depth of the right counterbore respectively with the anchor bolt 6
Upper end step diameter is identical with depth；
The left support part 20 and the right support 21 are angle steel, and are respectively arranged at the pre-buried positioning component 4 in the left side
The pre-buried positioning component 11 in right side and the right side left side, the inner face of the left support part 20 and the right support 21
It is fixedly connected respectively with the left pre-embedded steel slab 14 and the right pre-embedded steel slab 15；
The hydrophobic component includes width U-shaped sink 9 identical with the bridge expanssion joint notch；
The both sides of the U-shaped sink 9 pass through respectively angle steel and the left support part 20 right side and the right support
21 left side is fixedly connected；
The dust preventing component includes being set to the left flexible tooth plate 5 and the right flexible 10 infall bottom of tooth plate not
Become rusty steel plate 8；
Elastic parts 7 is additionally provided with below the stainless steel plate 8；
The third through-hole of equidistantly distributed, the left side are provided on the left pre-embedded steel slab 14 and the right pre-embedded steel slab 15
Pre-embedded steel slab 14 is provided with the two column third through-hole, left 14 top surface of pre-embedded steel slab between the two column third through-holes
It is further fixed on longitudinally disposed baffle 16, the elastic parts 7 is set between the baffle 16 and the left support part 20,
And the elastic parts 7 holds out against the stainless steel plate 8 under the left flexible tooth plate 5 and right flexible 10 infall of tooth plate
Surface.
In the embodiment of the present application, left embedded sleeve barrel 17 and right embedded sleeve barrel 18 are as shown in figure 3, left embedded sleeve barrel 17 and the right side are pre-
The height error for burying the production of sleeve 18 is not greater than 0.1mm, internal to use fine thread, the spiral shell with anchor bolt 6 shown in Fig. 4
Bar is threadedly engaged, and the top of anchor bolt 6 is also provided with the notch with the cooperation of screw pressurizing machine, by embedded sleeve barrel and anchor bolt
6 assembly as shown in Figure 5.
In the embodiment of the present application, the installation of channel steel 22 is as shown in figure 11, and pass through channel steel 22 by positioning screw second is led to
Hole come adjust channel steel 22 carry out positioning and it is levelling.
Based on a kind of assembled Multidirectional displacement bridge expansion device provided by the embodiments of the present application, the application also proposed one
One embodiment of the installation method of kind assembled Multidirectional displacement bridge expansion device, one embodiment are that beam body 1 is existing
The installation method for pouring beam, specifically includes:
1, when factory is to Cast-in-situ Beam formwork, according to the size that design drawing provides, beam-ends and Abutment mounting bridge are checked
The preformed groove formwork size of beam telescopic device, width needed for calculating bridge extension joint adjusted according to actual temperature when installation
The edge placement of the installation notch of bridge extension joint is accurately marked in bridge beam end, depth distance designs 80 at bituminous sheaths absolute altitude
Type is not less than 15 centimetres, and 120 types are not less than 16 centimetres, and 160 types are not less than 18 centimetres, and 240 types are not less than 20 centimetres.
2, as shown in fig. 6, the assembled for providing embodiment one is multidirectional when the beam body 1 of Cast-in-situ Beam binds roof steel bar
The pre-buried positioning component 4 in a left side and right pre-buried positioning component 11 of displacement bridge extension joint are flexible with the bridge of beam body 1 according to requiring
The pre-buried anchor rib 12 reserved at sealing groove mouth is positioned, absolute altitude and welding, the both sides of U-shaped pre-buried anchor rib 12 are each passed through a left side
After the preformed hole of pre-embedded steel slab 14 and right pre-embedded steel slab 15, the both sides of the U-shaped pre-buried anchor rib 12 of bending and respectively with left pre-buried steel
Plate 14 and right pre-embedded steel slab 15 weld；The U-shaped sink 9 for the assembled Multidirectional displacement bridge expansion device that embodiment one provides is led to
Angle steel is crossed to be welded between the right side of left support part 20 and the left side of right support 21.
3, as shown in fig. 7, after firm installation, concrete 3 is carried out to beam body 1 and is poured.Casting height and the assembly of concrete 3
The left embedded sleeve barrel 17 of formula Multidirectional displacement bridge expansion device and the top end face of right embedded sleeve barrel 18 are contour.Concrete 3 must be adopted
With C50 or more (containing C50) steel fiber reinforced concrete 3 or other coagulation bodies of design code, quality, operating time and the matter of casting
Amount has to comply with requirement.Volume content of steel fibers must not be less than 70 kilograms/cubic metre in steel fiber reinforced concrete 3.Light completion is received in casting
Afterwards, it carries out 7 days concrete 3 to conserve, using the Curing Method of bucket filler pipe.Being covered on the objects such as the earthwork cloth on concrete 3 must
It must keep moist.
4, as shown in figure 8, when installing at the scene, directly the beam body 1 placed is installed, and table is carried out to beam body 1
Surface treatment covers tooling cover board 19 on the pre-buried positioning component 4 in the left side for being poured concrete 3 and right pre-buried positioning component 11,
And tooling cover board 19 is connect with left embedded sleeve barrel 17 and right embedded sleeve barrel 18 respectively by bolt, and tooling cover board 19 can be certainly
By stretching.
5, the laying of bitumen layer 2 is carried out in the beam body 1 for be mounted with tooling cover board 19, after the completion according to the flexible tooth plate 5 in a left side
Area is stitched in structure determination cutting with right flexible tooth plate 10, and draws the cutting line in seam area.
6, it after removing tooling cover board 19, is cut according to the cutting line drawn, when cutting should ensure that notch is straight, straight line
Degree meets 1.5mm/m, does not allow macroscopic bending occur after the completion of cutting.
7,3 dabbing of area bottom surface concrete will be stitched, and after clearing up sundries, to the gear of assembled Multidirectional displacement bridge expansion device
Elastomer is perfused between plate 16 and left support part 20 and constitutes elastic parts 7, stainless steel plate is successively then installed by anchor bolt 6
8, left flexible tooth plate 5 and right flexible tooth plate 10.
8, anchor bolt 6 is adjusted using screw pressurizing machine, so that left flexible tooth plate 5, right flexible tooth plate 10 and drip
Cyan layer 2 is connected, and difference in height needs to control within 0 to 2mm, under the left flexible tooth plate 5 and the right flexible tooth plate 10
The perfusion of absolute altitude layer 13 leveling concrete or epoxy mortar, complete the installation of bridge extension joint.
The embodiment of the present application provides a kind of installation method of assembled Multidirectional displacement bridge expansion device for Cast-in-situ Beam,
Wherein, Cast-in-situ Beam formwork and casting process are directly completed in the factory, and when in-site installation can directly lay beam body 1, and
Mounting tool cover board 19 can carry out the laying of bitumen layer 2, substantially reduce the duration, by the flexible dress of assembled multi-directional deflection bridge
The basic module set is produced in batches in the factory, improves operating efficiency.
Based on a kind of assembled Multidirectional displacement bridge expansion device provided by the embodiments of the present application, the application also proposed one
Second embodiment of the installation method of kind assembled Multidirectional displacement bridge expansion device, it is pre- that second embodiment, which is beam body 1,
The installation method of beam or steel box-girder processed, specifically includes:
1, it as shown in figure 9, before construction, according to the size that design drawing provides, checks beam-ends and Abutment installation bridge is stretched
The preformed groove formwork size of compression apparatus, width needed for calculating bridge extension joint adjusted according to actual temperature when installation is in bridge
Beam beam-ends accurately marks the edge placement of the installation notch of bridge extension joint, repairs preformed groove, determines U pre-buried in preformed groove
The pre-buried anchor rib 12 of type is arranged as requested.
2, dabbing is carried out in preformed groove, removes the sundries of any influence concrete connection effect, do not destroy a bridge ontology, does not break
3 bridge floor of concrete other than bad notch, depth distance design 80 types at bituminous sheaths absolute altitude and are not less than 15 centimetres, and 120 types are not less than
16 centimetres, 160 types are not less than 18 centimetres, and 240 types are not less than 20 centimetres.
3, the sundries in preformed groove and beam-ends gap is cleaned out, does not influence beam seam and stretch, is nebulized with giant
Roughened surface is rinsed, does not allow to generate dust diffusion.
4, as shown in Figure 10, angle steel is fixed on to the tape edge of preformed groove, and assemble U-shaped sink 9.
5, as shown in Figure 11 or 13, the pre-buried positioning group of the assembled Multidirectional displacement bridge expansion device that embodiment one is provided
Part positioned according to the pre-buried anchor rib 12 reserved at the sealing groove mouth that requires to stretch with the bridge of beam body 1, absolute altitude and welding, U-shaped
After the both sides of pre-buried anchor rib 12 are each passed through the preformed hole of left pre-embedded steel slab 14 and right pre-embedded steel slab 15, the U-shaped pre-buried anchor of bending
Gu the both sides of muscle 12 are simultaneously welded with left pre-embedded steel slab 14 and right pre-embedded steel slab 15 respectively；U-shaped sink 9 is welded in left branch by angle steel
Between the right side of support member 20 and the left side of right support 21.
6, as shown in figure 12, after firm installation, concrete 3 is carried out to beam body 1 and is poured.Casting height and the dress of concrete 3
The top end face of left embedded sleeve barrel 17 and right embedded sleeve barrel 18 with formula Multidirectional displacement bridge expansion device is contour.Concrete 3 is necessary
Using C50 or more (contain C50) steel fiber reinforced concrete 3 or other coagulation bodies of design code, quality, operating time and casting
Quality has to comply with requirement.Volume content of steel fibers must not be less than 70 kilograms/cubic metre in steel fiber reinforced concrete 3.Light completion is received in casting
Afterwards, it carries out 7 days concrete 3 to conserve, using the Curing Method of bucket filler pipe.Being covered on the objects such as the earthwork cloth on concrete 3 must
It must keep moist.
7, it is surface-treated to pouring the beam body 1 for being poured in concrete 3, forms absolute altitude layer 13, tooling cover board 19 is covered and is being poured
It has infused above the pre-buried positioning component 4 in a left side and right pre-buried positioning component 11 of concrete 3, and has been distinguished tooling cover board 19 by bolt
It is connect with left embedded sleeve barrel 17 and right embedded sleeve barrel 18, and tooling cover board 19 being capable of free extension.
8, the laying of bitumen layer 2 is carried out in the beam body 1 for be mounted with tooling cover board 19, after the completion according to the flexible tooth plate 5 in a left side
Area is stitched in structure determination cutting with right flexible tooth plate 10, and draws the cutting line in seam area.
9, it as shown in figure 14, after tooling cover board 19, is cut according to the cutting line drawn, when cutting should ensure that notch is suitable
Directly, straightness meets 1.5mm/m, does not allow macroscopic bending occur after the completion of cutting.
10,3 dabbing of area bottom surface concrete will be stitched, and after clearing up sundries, to assembled Multidirectional displacement bridge expansion device
Elastomer is perfused between baffle 16 and left support part 20 and constitutes elastic parts 7, stainless steel is successively then installed by anchor bolt 6
Plate 8, left flexible tooth plate 5 and right flexible tooth plate 10.
11, as shown in figure 15, anchor bolt 6 is adjusted using screw pressurizing machine, so that left flexible tooth plate 5, the right side are stretched
Contracting tooth plate 10 and bitumen layer 2 are connected, and difference in height needs to control within 0 to 2mm, complete the installation of bridge extension joint.
In the embodiment of the present application, the pre-buried positioning component 4 in a left side for pre-buried positioning component and right pre-buried positioning component 11 have led to
It crosses channel steel 22 to be connected as one, and has been leveled, when installing at the scene, it is only necessary to by pre-buried anchor rib 12 and pre-buried positioning group
Part is welded, and after installing U-shaped sink 9, can mounting tool cover board 19, relative to the existing mode installed one by one, this
The installation method for applying for that embodiment provides is more efficient, and installation difficulty is smaller, can accelerate the speed of application of engineering, when shortening is open to traffic
Between.
In the embodiment of the present application, a kind of assembled Multidirectional displacement bridge expansion device and its installation method are provided, for
Different beam bodies proposes corresponding mount scheme；
Directly the pre-buried positioning component and beam body of assembled Multidirectional displacement bridge expansion device are existed for Cast-in-situ Beam
Formwork and concrete casting, scene can carry out surface treatment and the installation of tooling cover board after being directly laid with Cast-in-situ Beam in factory,
It may wait for laying pave-load layer completion after the completion to be open to traffic, the installation of flexible tooth plate can be carried out to beam body again after open to traffic；
At the construction field (site) to the pre-buried fixed of assembled Multidirectional displacement bridge expansion device for precast beam or steel box-girder
Hyte part and U-shaped sink carry out it is fixed and positioned after can carry out concrete casting, surface treatment and tooling cover board peace
Dress may wait for laying pave-load layer completion after the completion and be open to traffic, and can carry out the installation of flexible tooth plate to beam body again after open to traffic；
The application can select different beam body mounting means for different installation requirements, and mode is installed simply, operation effect
Rate is high, can after being mounted with tooling cover board and being laid with pave-load layer open to traffic, shorten the duty cycle of entire engineering；
Left and right pre-buried positioning component is become one by channel steel by the assembled Multidirectional displacement bridge expansion device of the application
Body, installation personnel construction is simple, installation speed are greatly improved, pre-buried positioning component and pre-buried anchor rib be installed as one it is whole
Body guarantees quality.
The application also passes through the flexible tooth plate dispersion noise of comb teeth-shaped, reduces noise pollution.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ",
The instruction such as " absolute altitude ", " upper edge ", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation ",
Terms such as " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly.For the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (3)
1. a kind of assembled Multidirectional displacement bridge expansion device characterized by comprising
A left side flexible tooth plate (5) and right flexible tooth plate (10), pre-buried positioning component, anchor bolt (6), hydrophobic component and dust-proof group
Part；
The anchor bolt (6) is stairstepping and lower end stepped diameters are less than upper end step diameter；
The pre-buried positioning component include: the pre-buried positioning component (11) of left pre-buried positioning component (4) and the right side, left support part (20) and
Right support (21)；
The pre-buried positioning component in a left side (4) include: along longitudinal direction and column distribution left embedded sleeve barrel (17), the left embedded sleeve barrel
(17) cooperate with the lower end of the anchor bolt (6), the left embedded sleeve barrel (17) is three hierarchic structures, the left embedded sleeve barrel
(17) intermediate stair-step is identical as the diameter of bottom stair-step and is greater than top step step, at bridge expanssion joint notch
Reserved pre-buried anchor rib (12) passes through the left pre-embedded steel slab (14) and is welded and fixed, and leads between the left embedded sleeve barrel (17)
The upper end for crossing bottom stair-step is welded left pre-embedded steel slab (14) and is fixedly connected, and is distributed with respectively on left flexible tooth plate (5)
Left counterbore corresponding with left embedded sleeve barrel (17), the top bar diameter and depth of the left counterbore respectively with the anchoring spiral shell
The upper end step diameter of bolt (6) is identical with depth；
The pre-buried positioning component in the right side (11) include: along longitudinal direction and column distribution right embedded sleeve barrel (18), the right embedded sleeve barrel
(18) cooperate with the lower end of the anchor bolt (6), the right embedded sleeve barrel (18) is three hierarchic structures, the right embedded sleeve barrel
(18) intermediate stair-step is identical as the diameter of bottom stair-step and is greater than top step step, at bridge expanssion joint notch
Reserved pre-buried anchor rib (12) passes through the right pre-embedded steel slab (15) and is welded and fixed, and leads between the right embedded sleeve barrel (18)
The upper end for crossing bottom stair-step is welded right pre-embedded steel slab (15) and is fixedly connected, and is distributed with respectively on right flexible tooth plate (10)
Right counterbore corresponding with right embedded sleeve barrel (18), the top bar diameter and depth of the right counterbore respectively with the anchoring spiral shell
The upper end step diameter of bolt (6) is identical with depth；
The left support part (20) and the right support (21) are angle steel, and are respectively arranged at the pre-buried positioning component in a left side
(4) left side of right side and the pre-buried positioning component in the right side (11), the left support part (20) and the right support
(21) inner face is fixedly connected with the left pre-embedded steel slab (14) and the right pre-embedded steel slab (15) respectively；
The hydrophobic component includes width U-shaped sink (9) identical with the bridge expanssion joint notch；
The both sides of the U-shaped sink (9) pass through respectively angle steel and the left support part (20) right side and the right support
(21) left side is fixedly connected；
The dust preventing component includes being set to left flexible tooth plate (5) and described right flexible tooth plate (10) infall bottom not
It becomes rusty steel plate (8)；
Elastic parts (7) are additionally provided with below the stainless steel plate (8)；
The third through-hole of equidistantly distributed, the left side are provided on the left pre-embedded steel slab (14) and the right pre-embedded steel slab (15)
Pre-embedded steel slab (14) is provided with the two column third through-hole, the left pre-embedded steel slab (14) between the two column third through-holes
Top surface is further fixed on longitudinally disposed baffle (16), and the elastic parts (7) is set to the baffle (16) and the left branch
Between support member (20), and the elastic parts (7) holds out against the stainless steel plate (8) in described left flexible tooth plate (5) and described
Flexible tooth plate (10) the infall lower surface in the right side.
2. assembled Multidirectional displacement bridge expansion device according to claim 1, which is characterized in that the pre-buried positioning group
Part further includes channel steel (22)；
Pass through channel steel transversely arranged evenly between the pre-buried positioning component in a left side (4) and the pre-buried positioning component in the right side (11)
(22) it connects, corresponding with the left embedded sleeve barrel (17) and right embedded sleeve barrel (18) the is offered in the channel steel (22)
One through-hole, it is by the anchor bolt (6) that the channel steel (22) and the pre-buried positioning component in a left side (4) and the right side is pre-buried fixed
Hyte part (11) connection, the both ends of the channel steel (22) offer the second through-hole used for positioning.
3. assembled Multidirectional displacement bridge expansion device according to claim 2, which is characterized in that the anchor bolt
(6) notch with the cooperation of screw pressurizing machine is offered at the top of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628505.0U CN209194326U (en) | 2019-05-05 | 2019-05-05 | A kind of assembled Multidirectional displacement bridge expansion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628505.0U CN209194326U (en) | 2019-05-05 | 2019-05-05 | A kind of assembled Multidirectional displacement bridge expansion device |
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| Publication Number | Publication Date |
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| CN209194326U true CN209194326U (en) | 2019-08-02 |
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| CN201920628505.0U Withdrawn - After Issue CN209194326U (en) | 2019-05-05 | 2019-05-05 | A kind of assembled Multidirectional displacement bridge expansion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016859A (en) * | 2019-05-05 | 2019-07-16 | 中交德利(广州)控股有限公司 | A kind of assembled Multidirectional displacement bridge expansion device and installation method |
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2019
- 2019-05-05 CN CN201920628505.0U patent/CN209194326U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016859A (en) * | 2019-05-05 | 2019-07-16 | 中交德利(广州)控股有限公司 | A kind of assembled Multidirectional displacement bridge expansion device and installation method |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190802 Effective date of abandoning: 20191209 |