CN211947759U - Assembled steel fiber concrete pavement slab with expansion joint - Google Patents
Assembled steel fiber concrete pavement slab with expansion joint Download PDFInfo
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- CN211947759U CN211947759U CN201922116141.0U CN201922116141U CN211947759U CN 211947759 U CN211947759 U CN 211947759U CN 201922116141 U CN201922116141 U CN 201922116141U CN 211947759 U CN211947759 U CN 211947759U
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- pavement slab
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Abstract
The utility model discloses an assembled steel fiber concrete pavement slab from area expansion joint, which comprises a panel body, the reinforcing bar net that shape and panel body suited has been preset to the panel this internal, fixed public expansion joint and a female expansion joint of being provided with by elastic material and making on the body, public expansion joint and female expansion joint set up relatively in on a set of opposite side of body, the public expansion joint and the female expansion joint of adjacent panel body are connected with female expansion joint when forming tenon fourth of the twelve earthly branches structure and assembling. The utility model discloses a from assembled steel fiber concrete pavement slab of taking expansion joint, through setting up the expansion joint as an organic whole with the panel body, only need once only assemble when assembling the pavement slab and put in place and can reduce the installation of follow-up expansion joint, practice thrift manpower resources to can fully guarantee the steadiness at expansion joint, can not produce and drop, be difficult for producing when demolising at the later stage and damage, be favorable to used repeatedly, energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a road construction technical field, concretely relates to from assembled steel fiber concrete pavement slab of taking expansion joint.
Background
The traditional hardening mode of the temporary road channel on the construction site adopts site pouring, when concrete is poured on the road, vehicles and pedestrians cannot pass, the poured concrete can be maintained for a large amount of time to be used, and segmented hardening is carried out on a longer road, so that the traditional road hardening mode needs a large amount of manpower and time, the construction speed of the construction site is seriously influenced, the temporary road channel cannot be dismantled after being used as the temporary channel, the cyclic utilization rate is low, a large amount of building waste can be generated during dismantling, and the temporary road channel is not beneficial to energy conservation and emission reduction. Based on various defects of traditional sclerosis mode, in practical application, the assembled road comes into existence, and it has overcome the defect of traditional handicraft, assembles fastly, need not the maintenance after the road surface is assembled and can lead to the traffic pedestrian immediately, and simultaneously, this assembled pavement board intensity is high, and difficult breakage can have enough to meet the need the use many times, and the broken production of later stage road surface produces a large amount of building rubbish under having avoided traditional handicraft, reduces the building resources waste, is favorable to reduce cost, shortens construction cycle, offers convenience for construction production and environmental protection.
The assembled road is composed of a plurality of boards, the boards are prefabricated in advance and can be paved into the road after being transported to the site through carrying equipment, the boards are not needed to be dismantled, the boards can be repeatedly used, the construction period is short, the reuse rate is high, and most of construction site temporary channels are assembled roads. Avoid extravagant to can not produce building rubbish, very environmental protection, and the dismouting is quick still is applicable to in the road emergency rescue first aid.
In the assembling process of the assembly type road, gaps with different sizes inevitably exist due to rigid connection between the plate surfaces, jolting and vibration can be generated at the gaps when vehicles pass, the driving comfort is greatly reduced, generally, in order to better improve the driving comfort, expansion joints made of elastic materials are additionally arranged at the gaps of the assembled plate surfaces to improve the transition between the plate surfaces, jolting is avoided, and the passing vehicles can be driven more smoothly, but the expansion joints are made of steel fiber concrete materials with higher hardness, the elastic materials are difficult to attach to welding seams, the expansion joints are not easy to be firmly installed for a long time, the expansion joints cannot be installed according to the sizes of all welding seams due to different sizes of the welding seams, the expansion joints are easy to fall off after long-time use, and the expansion joints are difficult to be reused when being disassembled in the later period, cause the wasting of resources to extra expansion joint installation is still extravagant manpower, increases the human cost.
Therefore, for solving above problem, need an assembled steel fiber concrete pavement slab from area expansion joint, once only install along with the assembling of pavement slab and target in place, can reduce the installation at follow-up expansion joint, practice thrift manpower resources to can fully guarantee the steadiness at expansion joint, can not produce and drop, difficult production when demolising in the later stage damages, be favorable to used repeatedly, energy-concerving and environment-protective.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide the assembled steel fiber concrete pavement slab from taking the expansion joint, once only install along with the assembling of pavement slab and target in place, can reduce the installation at follow-up expansion joint, practice thrift manpower resources to can fully guarantee the steadiness at expansion joint, can not produce and drop, difficult production when demolising at the later stage damages, be favorable to used repeatedly, energy-concerving and environment-protective.
The utility model discloses an assembled steel fiber concrete pavement slab from area expansion joint, which comprises a panel body, the reinforcing bar net that shape and panel body suited has been preset in the panel body, fixed public expansion joint and a female expansion joint of being provided with by elastic material and making on the panel body, public expansion joint and female expansion joint set up relatively in on a set of opposite side of panel body, the public expansion joint and the female expansion joint of adjacent panel body are connected with female expansion joint when forming tenon fourth of the twelve earthly branches structure and assembling.
Further, the cross section center at public expansion joint is outside protruding, and central point puts and has seted up first hole of stepping down.
Furthermore, the center of the cross section of the female expansion joint is inwards sunken, and second yielding holes are symmetrically formed in the upper side and the lower side of the cross section of the female expansion joint.
Further, the first hole of stepping down is the circular port, the second hole of stepping down for with female expansion joint surface shape adapted triangle hole.
Further, public expansion joint and female expansion joint are rubber materials integrated casting.
Further, public expansion joint and female expansion joint pass through the pre-buried connection of U-shaped steel in panel body side.
Furthermore, two ends of the U-shaped steel form limiting parts with increased diameters, and the limiting parts are pre-embedded in the male/female expansion joints.
Further, the middle section of the U-shaped steel is embedded in the panel body.
Furthermore, two layers of parallel reinforcing meshes are arranged in the panel body.
Furthermore, the U-shaped steel middle section is positioned between the two layers of reinforcing mesh.
The utility model has the advantages that: the utility model discloses a from assembled steel fiber concrete pavement slab of taking expansion joint, through setting up the expansion joint as an organic whole with the panel body, only need once only assemble when assembling the pavement slab and put in place and can reduce the installation of follow-up expansion joint, practice thrift manpower resources to can fully guarantee the steadiness at expansion joint, can not produce and drop, be difficult for producing when demolising at the later stage and damage, be favorable to used repeatedly, energy-concerving and environment-protective.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the male expansion joint of the present invention;
fig. 3 is a schematic structural view of the female expansion joint of the present invention;
fig. 4 is the utility model discloses a structural schematic is assembled to adjacent panel.
Detailed Description
FIG. 1 is a schematic structural view of the present invention, FIG. 2 is a schematic structural view of a male expansion joint of the present invention, FIG. 3 is a schematic structural view of a female expansion joint of the present invention, FIG. 4 is a schematic structural view of an assembled structure of adjacent panels of the present invention, the assembled steel fiber concrete pavement slab with expansion joints in the present embodiment comprises a panel body 1, a reinforcing mesh 2 having a shape corresponding to the panel body 1 is preset in the panel body 1, a male expansion joint 3 and a female expansion joint 4 made of an elastic material are fixedly disposed on the panel body, the male expansion joint 3 and the female expansion joint 4 are oppositely disposed on a pair of edges of the panel body, the male expansion joint 3 and the female expansion joint 4 of the adjacent panel body 1 are connected when the male expansion joint 3 and the female expansion joint 4 are assembled in a tenon-mortise structure, the rigid connection between the road panels is converted into a flexible connection, the existence of gaps is eliminated, and the smoothness of the passing vehicle is improved.
In this embodiment, the cross section center of public expansion joint 3 is outside protruding, and central point puts and has seted up first hole of stepping down 31, and first hole of stepping down 31 mainly used public expansion joint 3's expend with heat and contract with cold and stepping down when the compressive deformation, avoids public expansion joint 3 thermal expansion and mechanical damage when the compressive.
In this embodiment, the central inwards sunken of female expansion joint 4's cross section, and the bilateral symmetry has seted up the second hole of stepping down 41 about and, the second hole of stepping down 41 mainly used female expansion joint 4's expend with heat and contract with cold and when pressurized deformation step down, mechanical damage when avoiding female expansion joint 4 thermal expansion and pressurized.
In this embodiment, the first hole of stepping down 31 is the circular port, and the second hole of stepping down 41 is the triangle hole that suits with female expansion joint 4 surface shape, and first hole of stepping down 31 and second hole of stepping down 41 are all according to the surface shape conformal setting of public expansion joint 3 and female expansion joint 4, in order to reach the best conformal effect of stepping down and linking the support.
In this embodiment, the male expansion joint 3 and the female expansion joint 4 are formed by integrally casting rubber materials, the rubber is a high-elasticity polymer material with reversible deformation, the rubber is rich in elasticity at room temperature, can generate large deformation under the action of small external force, can recover the original shape after the external force is removed, and has an excellent effect when used for expansion joint connection.
In this embodiment, public expansion joint 3 and female expansion joint 4 through U-shaped steel 5 pre-buried connect in 1 side of panel body, a plurality of U-shaped steel 5 that parallel participate in the casting of public expansion joint 3/female expansion joint 4 earlier and mould, then will be connected public expansion joint 3 and female expansion joint 4 after accomplishing with U-shaped steel 5 and install in the concrete pouring die cavity specific position of the pavement slab steel fiber concrete that treats prefabrication and accomplish the pouring of pavement slab steel fiber concrete.
In this embodiment, the both ends of U-shaped steel 5 form the spacing portion 51 of diameter increase, spacing portion 51 pre-buried in public expansion joint 3/female expansion joint 4, spacing portion 51 mainly used and public expansion joint 3/female expansion joint 4 more firm be connected, increase joint strength, after U-shaped steel 5 and prefabricated steel fiber concrete design are stable, public expansion joint 3/female expansion joint 4 is stronger with the connectivity of decking body, the reinforcing is from the wholeness of the assembled steel fiber concrete decking at area expansion joint.
In this embodiment, the middle section of the U-shaped steel 5 is embedded in the panel body 1, the U-shaped steel 5 is interrupted and embedded in the panel steel fiber concrete, after the steel fiber concrete is completely solidified and stabilized, the U-shaped steel 5 forms a symmetrical tensile structure, the stress is stable, and the plurality of U-shaped steels 5 stably fix the male/ female expansion joints 3 and 4 at two sides of the panel body 1 in parallel.
In this embodiment, be provided with two-layer parallel reinforcing bar net 2 in the panel body 1, two-layer reinforcing bar net 2 is close to the surface setting of panel body 1, when assembling, has improved the commonality from assembled steel fiber concrete pavement slab top and bottom of taking the expansion joint, need not distinguish the top and bottom, and top and bottom structure is the same, and intensity is the same, directly assemble can.
In this embodiment, the middle section of the U-shaped steel 5 is located between two layers of the reinforcing mesh 2 to form a symmetrical up-down structure, so as to ensure the universality of the up-down structure.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. The utility model provides a from assembled steel fiber concrete pavement slab at area expansion joint which characterized in that: the panel comprises a panel body, the reinforcing bar net that the shape and panel body suited has been preset in the panel body, the fixed public expansion joint and a female expansion joint that is made by elastic material that is provided with on the panel body, public expansion joint and female expansion joint set up relatively in on a set of opposite side of panel body, the public expansion joint and female expansion joint form the public expansion joint and the female expansion joint of adjacent panel body and are connected when the tenon fourth of twelve earthly branches structure is assembled.
2. The assembled steel fiber concrete pavement slab with expansion joints according to claim 1, wherein: the cross section center at public expansion joint is outside protruding, and central point puts and has seted up first hole of stepping down.
3. The assembled steel fiber concrete pavement slab with expansion joints according to claim 2, wherein: the center of the cross section of the female expansion joint is inwards sunken, and second yielding holes are symmetrically formed in the upper side and the lower side of the cross section of the female expansion joint.
4. The assembled steel fiber concrete pavement slab with expansion joints according to claim 3, wherein: the first hole of stepping down is the circular port, the second hole of stepping down be with female expansion joint surface shape adapted's triangle hole.
5. The assembled steel fiber concrete pavement slab with expansion joints according to claim 4, wherein: and the male expansion joint and the female expansion joint are both integrally molded by casting rubber materials.
6. The assembled steel fiber concrete pavement slab with expansion joints according to claim 5, wherein: public expansion joint and female expansion joint pass through the pre-buried connection of U-shaped steel in panel body side.
7. The assembled steel fiber concrete pavement slab with expansion joints according to claim 6, wherein: two ends of the U-shaped steel form limiting parts with increased diameters, and the limiting parts are pre-embedded in the male/female expansion joints.
8. The assembled steel fiber concrete pavement slab with expansion joints according to claim 7, wherein: the middle section of the U-shaped steel is embedded in the panel body.
9. The assembled steel fiber concrete pavement slab with expansion joints according to claim 8, wherein: two layers of parallel reinforcing meshes are arranged in the panel body.
10. The assembled steel fiber concrete pavement slab with expansion joints according to claim 9, wherein: the U-shaped steel middle section is positioned between the two layers of reinforcing meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116141.0U CN211947759U (en) | 2019-11-29 | 2019-11-29 | Assembled steel fiber concrete pavement slab with expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116141.0U CN211947759U (en) | 2019-11-29 | 2019-11-29 | Assembled steel fiber concrete pavement slab with expansion joint |
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| CN211947759U true CN211947759U (en) | 2020-11-17 |
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| CN201922116141.0U Active CN211947759U (en) | 2019-11-29 | 2019-11-29 | Assembled steel fiber concrete pavement slab with expansion joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942005A (en) * | 2021-02-01 | 2021-06-11 | 徐娟 | Fiber concrete pavement slab of assembled expansion joint structure |
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2019
- 2019-11-29 CN CN201922116141.0U patent/CN211947759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942005A (en) * | 2021-02-01 | 2021-06-11 | 徐娟 | Fiber concrete pavement slab of assembled expansion joint structure |
| CN112942005B (en) * | 2021-02-01 | 2022-09-30 | 杭州傲翔控股有限公司 | Fiber concrete pavement slab of assembled expansion joint structure |
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