CN208792081U - A kind of expansion gap device - Google Patents

A kind of expansion gap device Download PDF

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Publication number
CN208792081U
CN208792081U CN201821117184.XU CN201821117184U CN208792081U CN 208792081 U CN208792081 U CN 208792081U CN 201821117184 U CN201821117184 U CN 201821117184U CN 208792081 U CN208792081 U CN 208792081U
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China
Prior art keywords
telescopic
support
expansion gap
line
reinforced concrete
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CN201821117184.XU
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Chinese (zh)
Inventor
王逸
蒋阳升
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Southwest Jiaotong University
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Southwest Jiaotong University
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Abstract

The utility model discloses a kind of expansion gap devices, are mounted between two adjacent beam slabs, including support device and the telescopic device being arranged in support device;The support device includes two symmetrical support bases, and two support base intervals are arranged to form the line of rabbet joint, and the support base includes reinforced concrete footing and the telescopic device mounting seat that is arranged in reinforced concrete footing;Several reserved through slots vertically arranged and perpendicular to the line of rabbet joint are provided on the reinforced concrete footing.The beneficial effects of the utility model are: this programme by prefabricated formation, can be avoided the time for waiting concrete bed solidification in expansion joint in conventional method, it can achieve the purpose that save the time with this, shorten construction period.

Description

A kind of expansion gap device
Technical field
The utility model relates to expansion joint technical field, specifically a kind of expansion gap device.
Background technique
The structure settings expansion joint such as road surface can guarantee under temperature change, concrete shrinkage and creep and live loading, The longitudinal energy free extension deformation in road surface, prevents excessive secondary internal force.Expansion gap device must have good flatness, can hold By various Vehicle Loads, and it is secured, reliable, durable.It is provided simultaneously with install convenient, is convenient for maintenance and replacement The characteristics of.Since the repeated action of wheel load is born at expansion joint, impact caused by the out-of-flatness of expansion joint position can be to flexible Seam plays destruction.Therefore expansion joint is one of road surface most destructible and the biggish position of maintenance difficulty.
Under the conditions of the prior art, expansion joint needs to reserve expansion joint notch on road surface in construction convenient for later period installation Expansion joint, and the pre-buried anchor rib in the notch of expansion joint, then interim expansion joint is laid at the notch of expansion joint, then stretched temporarily With integrally mating formation together lower layer and pavement asphalt on road surface on the basis of contracting seam.When construction expansion joint, needs to cut and remove and face When expansion joint two sides extra pitch, then cut it is interim it is flexible be stitched to exposing anchor rib, subsequent formal installation expansion joint component again.
Traditional expanssion joint construction process can generate more waste of material, and cause environmental pollution.And it formally constructs It when expansion joint, the concrete setting to be used as pedestal such as needs, when other structures complete construction on road surface, waits expansion joint coagulation Native pedestal needs are spent additional time, and construction period is caused to extend.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of expansion gap device, avoids volume by prefabricated The outer cost time waits the problem of long construction period caused by concrete setting.
The technical scheme in the invention for solving the above technical problem is: a kind of expansion gap device, is mounted on two phases Between adjacent expansion joint notch, including support device and the telescopic device being arranged in support device;The support device includes Two symmetrical support bases, two support base intervals are arranged to form the line of rabbet joint, and the support base includes that reinforcing bar is mixed Solidifying soil pedestal and the telescopic device mounting seat being arranged in reinforced concrete footing;It is arranged on the reinforced concrete footing There are several reserved through slots vertically arranged and perpendicular to the line of rabbet joint.
Beneficial effect acquired by this programme is: this programme can incite somebody to action this while constructing road surface by prefabricated formation Scheme integral installation between two adjacent beam slabs, thus avoid in conventional method wait expansion joint concrete bed solidification when Between, it can achieve the purpose that save the time with this, shorten construction period.The reserved through slot is convenient for and the anchor rib on beam slab It is used cooperatively, into reserved through slot, casting concrete and the structure with the anchor rib formation armored concrete on beam slab, are increased with this The bonding strength of strong this programme and beam slab.
Further, in order to preferably realize the utility model, the upper surface of the telescopic device mounting seat is arranged There is the isolation board parallel with the line of rabbet joint, two adjacent sides of telescopic device mounting seat are provided with telescopic device mounting plate, described Telescopic device be arranged above telescopic device mounting plate and be located between two isolation boards.
It is using beneficial effect acquired by above-mentioned further technical solution: can be formed in construction using isolation board The effect of barrier prevents the materials such as concrete, the pitch on construction road surface from entering in the line of rabbet joint and results in blockage.Later period does not need to lead to yet Cutting pitch is crossed to form expansion joint installation foundation, can be avoided waste of material, and avoids generating extra building waste.It utilizes Isolation board and telescopic device mounting plate can provide space and brace foundation for the installation of telescopic device, install convenient for telescopic device After form expanded joint structure.
Further, it in order to preferably realize the utility model, is provided on the reinforced concrete footing and the line of rabbet joint Intercommunicating pore parallel and for being connected to reserved through slot.
Be using beneficial effect acquired by above-mentioned further technical solution: injecting concrete by intercommunicating pore can mention High efficiency enables reserved through slot to be filled up completely concrete.
Further, in order to preferably realize the utility model, the reinforced concrete footing is far from line of rabbet joint side Bottom is provided with chamfering.
It is using beneficial effect acquired by above-mentioned further technical solution: is easy to implement the connection of reserved through slot, has Help the circulation of concrete.
Further, in order to preferably realize the utility model, the support base is prismatic.
It is using beneficial effect acquired by above-mentioned further technical solution: pedestal installation easy to support.
Further, in order to preferably realize the utility model, the telescopic device is including two side bars and is mounted on Waterproof adhesive tape between two side bars, the side bar are detachably connected with isolation board.
It is using beneficial effect acquired by above-mentioned further technical solution: convenient for waterproof adhesive tape is mounted on isolation board Between, to play the role of water proof and dust proof.
Further, in order to preferably realize that the utility model, the side bar are threadedly coupled with isolation board.
It is using beneficial effect acquired by above-mentioned further technical solution: convenient for the installation of side bar and isolation board, and And can guarantee certain installation strength, prevent side bar from loosening.
Further, in order to preferably realize the utility model, the telescopic device includes two pieces of fishbacks and setting Waterproof adhesive tape between two pieces of fishbacks, the fishback correspond with telescopic device mounting plate respectively and detachably connect It connects.
It is using beneficial effect acquired by above-mentioned further technical solution: convenient for forming expansion joint using fishback.
Further, in order to preferably realize the utility model, the fishback and telescopic device mounting plate screw thread connect It connects.
It is using beneficial effect acquired by above-mentioned further technical solution: convenient for the handling of fishback.
Further, it in order to preferably realize the utility model, is provided in the line of rabbet joint below telescopic device And opening up U-shaped waterproof construction, the two sides of the U-shaped waterproof construction are provided with downward opening hook, the branch The waterproof support construction for linking up with installation is provided on support pedestal.
It is using beneficial effect acquired by above-mentioned further technical solution: enhancing water-proof function, and it is convenient for U-shaped waterproof Fixation, the installation of structure.
Detailed description of the invention
Fig. 1 is the top view of support device;
Fig. 2 is the A of Fig. 1 to cross-sectional view;
Fig. 3 is the structural schematic diagram of embodiment 3;
Fig. 4 is the structural schematic diagram of embodiment 4;
Fig. 5 is the B of Fig. 1 to cross-sectional view;
Fig. 6 is the structural schematic diagram of telescopic device mounting seat;
Fig. 7 is the scheme of installation of telescopic device;
Fig. 8 is enlarged drawing at the C of Fig. 7.
Wherein: 1- support base, 11- reinforced concrete footing, 111- reserve through slot, 112- intercommunicating pore, 113- chamfering, 12- telescopic device mounting seat, 121- isolation board, 122- telescopic device mounting plate, 123- reinforcing bar, 2- telescopic device, the side 21- Beam, 22- waterproof adhesive tape, 23- support plate, 24- waterproof support construction, 25-U type waterproof construction, the 3- line of rabbet joint.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the reality of the utility model It is without being limited thereto to apply mode.
Embodiment 1:
As shown in Figure 1, a kind of expansion gap device is mounted between two adjacent expansion slot mouths in the present embodiment, including Support device and the telescopic device 2 being arranged in support device;The support device includes two symmetrical support bottoms Seat 1, two interval of support base 1 settings form the line of rabbet joint 3, and the support base 1 includes reinforced concrete footing 11 and setting Telescopic device mounting seat 12 in reinforced concrete footing 11.As shown in Figure 1 and Figure 2, the reinforced concrete footing 11 On be provided with several reserved through slots 111 vertically arranged and perpendicular to the line of rabbet joint 3.
The support device is prefabricated before construction with telescopic device 2, or makes simultaneously in road construction.When construction, Confirm the construction location at expansion joint, and construct to beam slab, using beam slab as the basis of fittable slackening device.Prior art item Under part, anchor rib is usually had on beam slab, this programme, can be cooperated with the anchor rib on beam slab using reserved through slot 111 is made With making reserved through slot 111 be directed at anchor rib and realize installation.It is installed in reinforced concrete footing 11 and then to reserved through slot Casting concrete in 111, the concrete and anchor rib of solidification are capable of forming reinforced concrete structure, with this reinforcing steel bar concrete Bonding strength between pedestal 11 and beam slab.It can construct simultaneously to other structures more than beam slab, such as construction pitch. It is avoided in conventional method, asphalt paving is got well and then by pitch cut portion come expansion joint of constructing with this.It is dripped compared to being laid with Blueness simultaneously waits asphalt solidification later at construction expansion joint, using this programme by that can apply simultaneously expansion joint with other structures Work, so as to shorten entire construction period.
As shown in Figure 5, Figure 6, several reinforcing bars 123 are provided in the telescopic device mounting seat 12, utilize reinforcing bar 123 form reinforced concrete structure with reinforced concrete footing 11 is mixed with the intensity of reinforcing steel bar concrete bed 11 and reinforcing bar Bonding strength between solidifying soil pedestal 11 and telescopic device mounting seat 12.Pacify 123 head and the tail both ends of reinforcing bar with telescopic device The dress connection of pedestal 12 is to form ring structure, so that the reinforcing bar 123 of annular has certain elasticity to absorb vehicle by stretching The partial pressure caused by expansion joint when seam reduces expansion joint and integrally ties to reduce the pressure that expansion joint overall structure is subject to The impaired risk of structure.The expansion joint overall structure is referred to is stretched using what this programme construction was completed to be formed by later Crack structure.
Embodiment 2:
On the basis of the above embodiments, in the present embodiment, the upper surface of the telescopic device mounting seat 12 is arranged There is the isolation board 121 parallel with the line of rabbet joint, two adjacent sides of telescopic device mounting seat 12 are provided with telescopic device mounting plate 122, the telescopic device 2 is arranged above telescopic device mounting plate 122 and is located between two isolation boards 121.
The effect that barrier can be formed in construction using isolation board 121, prevents the materials such as concrete, the pitch on construction road surface Material, which enters in the line of rabbet joint 3, to result in blockage.Later period does not need to form expansion joint installation foundation by cutting pitch yet, utilizes isolation Plate 121 can clearly mark the range of asphalt paving, can be avoided waste of material, and avoid generating extra building waste. Space and brace foundation can be provided for the installation of telescopic device 2 using isolation board 121 and telescopic device mounting plate 122, be convenient for Telescopic device 2 forms expanded joint structure after installing.
Embodiment 3:
As shown in figure 3, on the basis of the above embodiments, in the present embodiment, being set on the reinforced concrete footing 11 It is equipped with intercommunicating pore 112 parallel with the line of rabbet joint 3 and for being connected to reserved through slot 111.It can once be led to by intercommunicating pore 112 to reserved Casting concrete in slot 111, so that pouring more convenient.Intercommunicating pore 112 is set to be located at 11 medium position of reinforced concrete footing, from The concrete that intercommunicating pore 112 overflows can enter in reserved through slot 111 from the multiple directions such as upper and lower, consequently facilitating will reserve Through slot 111 completely fills out, reduce concreting less than place.
Embodiment 4:
As shown in figure 4, on the basis of the above embodiments, in the present embodiment, the reinforced concrete footing 11 is separate The bottom of 3 side of the line of rabbet joint is provided with chamfering 113.Multiple reserved through slots 111 can be also connected to using chamfering 113, consequently facilitating The case where completely filling out concrete by reserved through slot 111, and concrete being overflowed according to chamfering 113 and intercommunicating pore 112 To judge to pour completion inside reserved through slot 111.And the corner of beam slab can be avoided during installation, so that installation is more stable.
Embodiment 5:
On the basis of the above embodiments, in the present embodiment, the support base 1 is prismatic.It is convenient for making to prop up with this Support pedestal 1 is bonded with beam slab, reduces the spacing between beam slab and support base 1.Be conducive to improve the stability of support base 1, And is conducive to make expansion joint once to construct completion, does not need additional to fill up work.
Embodiment 6:
As shown in Figure 7, Figure 8, on the basis of the above embodiments, in the present embodiment, the telescopic device 2 includes two Side bar 21 and the waterproof adhesive tape 22 being mounted between two side bars 21, the side bar 21 are detachably connected with isolation board 121.Benefit Waterproof adhesive tape 22 is mounted on to the function of realizing water proof and dust proof between two isolation boards 121 with side bar 21, avoids rainwater, dust Or other impurities enter in the line of rabbet joint 3.
The side bar 21 includes vertical beam and vertical beam side is arranged in and forms the through slot of F type, two side bars 21 with vertical beam Through slot be oppositely arranged, the waterproof adhesive tape 22 is mounted in through slot.The installation of waterproof adhesive tape 22 is easy to implement using through slot With fixation.
The side bar 21 is threadedly coupled with isolation board 121.It is convenient for the installation of side bar 21 with this, and can guarantees certain Installation strength, prevent side bar 21 from loosening.In the present embodiment, the content that other are not described is same as the previously described embodiments, therefore does not go to live in the household of one's in-laws on getting married It states.
Embodiment 7:
On the basis of the above embodiments, in the present embodiment, the telescopic device 2 includes that two pieces of fishbacks and setting exist Waterproof adhesive tape between two pieces of fishbacks, the fishback are corresponded with telescopic device mounting plate 122 and detachable respectively Connection.Fishback is threadedly coupled with telescopic device mounting plate 122 to realize installation.In the present embodiment, the fishback is The conventional techniques of those skilled in the art, those skilled in the art can be realized above-mentioned effect according to the content that this programme is recorded Fruit does not repeat the specific structure of fishback and installation process herein.
Embodiment 8:
As shown in figure 8, on the basis of the above embodiments, in the present embodiment, being provided with to be located in the line of rabbet joint 3 and stretch Below device 2 and opening up U-shaped waterproof construction 25, the two sides of the U-shaped waterproof construction 25 are provided with downward opening It links up with, the waterproof support construction 24 for linking up with installation is provided in the support base 1.
Water-proof function can be further enhanced using U-shaped waterproof construction 25.It is convenient for U-shaped waterproof using waterproof support construction 24 Fixation, the installation of structure 25.It is actual using need to meet that the U-shaped waterproof construction 25 uses waterproof anti-corrosion material to be made It wants, such as waterproof anti-corrosion rubber, waterproof anti-corrosion metal or waterproof anti-corrosion alloy, specific material is art technology The common knowledge of personnel is not defined the specific material of U-shaped waterproof construction 25 herein.In the present embodiment, other are not described Content it is same as the previously described embodiments, therefore do not repeat.
It is above-described, it is only the preferred embodiment of the utility model, any form not is made to the utility model On limitation, according to the technical essence of the utility model, within the spirit and principles of the present invention, to above embodiments institute Any simple modifications, equivalent substitutions and improvements etc. made, within the protection scope for still falling within technical solutions of the utility model.

Claims (10)

1. a kind of expansion gap device is mounted between two adjacent expansion slot mouths, it is characterised in that: including support device and set Set the telescopic device (2) in support device;The support device includes two symmetrical support bases (1), and two The setting of support base (1) interval is formed the line of rabbet joint (3), and the support base (1) includes reinforced concrete footing (11) and setting Telescopic device mounting seat (12) in reinforced concrete footing (11);It is provided on the reinforced concrete footing (11) Several reserved through slots (111) vertically arranged and perpendicular to the line of rabbet joint (3).
2. a kind of expansion gap device according to claim 1, it is characterised in that: the telescopic device mounting seat (12) Upper surface be provided with the isolation board parallel with the line of rabbet joint (3) (121), two adjacent sides of telescopic device mounting seat (12) are set It is equipped with telescopic device mounting plate (122), the telescopic device (2) setting is above telescopic device mounting plate (122) and is located at Between two isolation boards (121).
3. a kind of expansion gap device according to claim 1, it is characterised in that: on the reinforced concrete footing (11) It is provided with intercommunicating pore (112) parallel with the line of rabbet joint (3) and for being connected to reserved through slot (111).
4. a kind of expansion gap device according to claim 3, it is characterised in that: the reinforced concrete footing (11) is remote Bottom from the line of rabbet joint (3) side is provided with chamfering (113).
5. a kind of according to claim 1, expansion gap device described in any one of 2,3,4, it is characterised in that: the support bottom Seat (1) is prismatic.
6. a kind of according to claim 1, expansion gap device described in any one of 2,3,4, it is characterised in that: the flexible dress Setting (2) includes two side bars (21) and the waterproof adhesive tape (22) that is mounted between two side bars (21), the side bar (21) and Isolation board (121) is detachably connected.
7. a kind of expansion gap device according to claim 6, it is characterised in that: the side bar (21) and isolation board (121) it is threadedly coupled.
8. a kind of according to claim 1, expansion gap device described in any one of 2,3,4, it is characterised in that: the flexible dress Set the waterproof adhesive tape that (2) include two pieces of fishbacks and are arranged between two pieces of fishbacks, the fishback respectively with flexible dress Mounting plate (122) are set to correspond and be detachably connected.
9. a kind of expansion gap device according to claim 8, it is characterised in that: the fishback and telescopic device is installed Plate (122) is threadedly coupled.
10. a kind of expansion gap device according to claim 1, it is characterised in that: be provided with and be located in the line of rabbet joint (3) Below telescopic device (2) and opening up U-shaped waterproof construction (25), the two sides of the U-shaped waterproof construction (25) are provided with Downward opening hook is provided with the waterproof support construction (24) for linking up with installation in the support base (1).
CN201821117184.XU 2018-07-16 2018-07-16 A kind of expansion gap device Active CN208792081U (en)

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Application Number Priority Date Filing Date Title
CN201821117184.XU CN208792081U (en) 2018-07-16 2018-07-16 A kind of expansion gap device

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Application Number Priority Date Filing Date Title
CN201821117184.XU CN208792081U (en) 2018-07-16 2018-07-16 A kind of expansion gap device

Publications (1)

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110820472A (en) * 2019-11-19 2020-02-21 天津市武清区建筑工程总公司 Large-area concrete ground expansion joint structure and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110820472A (en) * 2019-11-19 2020-02-21 天津市武清区建筑工程总公司 Large-area concrete ground expansion joint structure and construction method

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