CN217460138U - A road surface structure for factory building road reforms transform - Google Patents
A road surface structure for factory building road reforms transform Download PDFInfo
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- CN217460138U CN217460138U CN202221400345.2U CN202221400345U CN217460138U CN 217460138 U CN217460138 U CN 217460138U CN 202221400345 U CN202221400345 U CN 202221400345U CN 217460138 U CN217460138 U CN 217460138U
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Abstract
The utility model discloses a road surface structure for the reconstruction of factory building roads, which comprises a protective frame arranged at the edge of a maintenance pit, a combination layer and a concrete surface layer which are arranged in the protective frame from bottom to top, wherein the depth of the maintenance pit is 40-60 mm; an anti-cracking unit and a shearing-resistant unit for protecting the concrete surface layer are pre-embedded in the concrete surface layer, and the anti-cracking unit comprises a steel bar protective net; the shear cell includes a plurality of rows of shear ribs. The utility model only needs to dig a maintenance pit with the depth less than 60m at the section to be maintained, and does not need to completely remove the original reinforced concrete surface, thereby greatly shortening the construction period; when in maintenance, the damaged part can be maintained locally, the work amount is small, and the normal production of a workshop can be ensured. The utility model discloses can connect into a whole with existing concrete layer, effectively avoid taking off the festival between new and old concrete, can also ensure shear strength, anti cracking performance and the bearing capacity after the maintenance, service life after the extension maintenance.
Description
Technical Field
The utility model relates to a factory building road transformation especially relates to a road surface structure for factory building road transformation.
Background
With the development of economy and society and the updating of industrial products and production processes, people have higher and higher requirements on the environment in industrial plants. For a production type workshop, a channel in the workshop is an area which is used most frequently, most industrial plants (especially in the machinery industry) adopt a loading mode in the plants so as to reduce the loading difficulty and ensure the loading efficiency, but the frequent entering and exiting of large trucks also cause damage to the road of the plants to different degrees, so that when other areas of the workshop can be normally used, the channel area often reaches the service life and needs to be repaired.
The existing upgrading and modifying modes of the road ground in the factory building are mainly two, the first mode is to wholly modify the ground, the modifying cost is high, the normal production of the workshop is influenced, and the economic benefit of an enterprise is further influenced; the second is to adopt the mode of local thick steel plate of laying to maintain, not only pleasing to the eye but also nonstandard, and to the heavily loaded factory building, there is great potential safety hazard. Therefore, how to design a pavement structure which does not affect the normal operation of a workshop and is beautiful and large in bearing capacity is very important for enterprises.
Disclosure of Invention
An object of the utility model is to provide a road surface structure for factory building road transformation can maintain the transformation operation under the prerequisite of guaranteeing the normal production in workshop, still has fine bearing capacity, can satisfy heavy goods van's frequent business turn over demand, has prolonged service life.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model discloses a road surface structure for factory building road transformation, including the protective frame of setting at maintenance hole edge and set up anchor coat and concrete surface course in the protective frame from bottom to top, the degree of depth of maintenance hole is 40 ~ 60 mm; an anti-cracking unit and a shearing-resistant unit for protecting the concrete surface layer are pre-embedded in the concrete surface layer, and the anti-cracking unit comprises at least one layer of steel bar protective net formed by longitudinally arranged first steel bars and transversely arranged second steel bars; the shear resistant unit comprises a plurality of rows of shear resistant ribs pre-buried in a concrete surface layer.
The utility model only needs to excavate the maintenance pit with the depth less than 60mm at the section to be maintained, and does not need to completely remove the original reinforced concrete surface, thereby greatly shortening the construction period; the protective frame in the maintenance pit can be used as a pouring template, and the structural strength of a concrete surface layer can be further improved; the criss-cross reinforcing steel bar protective net and the shear resistant ribs are pre-buried in the concrete surface layer, so that the concrete surface layer has good anti-cracking and anti-shearing performance, the bearing capacity is ensured, the frequent inlet and outlet requirements of a heavy-duty truck can be met, and the service life is prolonged.
Preferably, the inboard interval of protective frame is provided with the vertical strengthening rib that is used for supporting protective frame, just the lower part cartridge of strengthening rib is in the diapire of maintenance hole, the upper portion of strengthening rib with protective frame links together, and the strengthening rib is the ground bar planting of vertical setting, not only can fix in order to ensure normal operation of pouring to protective frame, can also ensure the structural strength of concrete surface course edge.
Preferably, the protective frame comprises angle steels which are sequentially connected end to end, and the upper parts of the reinforcing ribs are fixedly connected with the angle steels. The rectangle frame that the protective frame formed for adopting a plurality of angle steel to connect, the lateral wall in the maintenance hole is established to the vertical subsides of one side of angle steel, and its another side flushes with the upper surface of current terrace, can be used as the template of pouring of concrete surface course, pre-buried in the concrete surface course after pouring ensures the structural strength of edge.
Preferably, the two ends of the first reinforcing steel bar are respectively connected with one pair of side edges of the protection frame in a spot welding mode, and the two ends of the second reinforcing steel bar are respectively connected with the other pair of side edges of the protection frame in a spot welding mode, so that the structural strength of the protection net is effectively improved, and the bearing capacity of the concrete surface layer is further ensured.
Preferably, the bonding layer is a plain cement layer, and the concrete surface layer is formed by pouring C35 fine stone concrete. The anchor coat is poured on the hair side of maintenance hole, and it has the connection effect, can solidify concrete surface course and existing concrete layer and form a whole, further improves the structural strength of concrete surface course.
Preferably, the shear-resistant rib is of a broken line structure with a high middle part and low two ends, and the two ends of the shear-resistant rib are inserted into the bottom wall of the maintenance pit. The shear resistant ribs adopt a broken line structure with a middle-high end and a low end, so that the shear resistant performance of the concrete surface layer can be ensured, and the working period of the concrete surface layer is prolonged.
Preferably, the concrete surface layer is provided with at least two colored boundary lines, so that the concrete surface layer is attractive and elegant and has a reminding function.
The utility model has the advantages that only the maintenance pit with the depth less than 60m needs to be excavated at the section to be maintained, and the original reinforced concrete surface does not need to be completely removed, thereby greatly shortening the construction period; when in maintenance, the damaged part can be maintained locally, the work amount is small, and the normal production of a workshop can be ensured.
The protective frame of the utility model can be used as a pouring template, and can also improve the structural strength and the bearing performance of the edge of the concrete surface layer; pre-buried steel bar protection network and the shear reinforcement that has vertically and horizontally staggered in the concrete surface course for the concrete surface course has fine anti crack and shear resistance, just the utility model discloses can connect into a whole with existing concrete layer, effectively avoid taking off between the new and old concrete, can also ensure shear strength, anti crack resistance and the bearing capacity after the maintenance, service life after the extension maintenance.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is the reinforcing bar arrangement schematic diagram (omitting the concrete surface layer).
Fig. 3 is a schematic view of fig. 2 from direction a-a.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-4, the pavement structure for reconstructing a plant road of the present invention comprises a protective frame 1 disposed at the edge of a maintenance pit, and a bonding layer and a concrete surface layer 2 (formed by pouring C35 fine stone concrete) disposed in the protective frame 1 from bottom to top, wherein the excavation depth of the maintenance pit can be controlled within 60mm, and the excavation workload and the excavation difficulty are reduced;
the bonding layer is a plain cement layer, namely is formed by solidifying cement grout coated on the bottom wall of the maintenance pit, and can integrate the concrete surface layer 2 and the existing concrete layer 3, so that the joint is prevented from being disconnected, and the structural strength of the concrete surface layer 2 is ensured;
an anti-cracking unit and a shearing-resistant unit for protecting the concrete surface layer 2 are pre-embedded in the concrete surface layer 2, the anti-cracking unit comprises a steel bar protective net formed by lapping a first steel bar 4 which is longitudinally arranged and a second steel bar 5 which is transversely arranged, two ends of the first steel bar 4 are fixed on the steel angles through a spot welding technology, two ends of the second steel bar 5 are fixed on the steel angles on the other side of the maintenance pit through a spot welding technology, namely the first steel bar 4 and the second steel bar 5 are fixedly connected with the steel angles together, so that the repaired concrete surface layer 2 forms a whole, the anti-cracking performance of the concrete surface layer 2 is ensured, and the bearing performance is ensured;
the unit that shears includes that the multirow is pre-buried shear reinforcement 6 in concrete surface course 2, every row of shear reinforcement 6 has the shear reinforcement 6 that a plurality of intervals were arranged, shear reinforcement 6 is middle high, the low broken line structure in both ends, 6 both ends cartridges of shear reinforcement are in the diapire in the maintenance hole, shear reinforcement 6's both ends link together through bar planting technique and existing concrete layer 3, further can guarantee concrete surface course 2's shear resistance, the life of extension concrete surface course 2.
The utility model only needs to excavate the maintenance pit with the depth less than 60mm at the section to be maintained, and does not need to completely remove the original reinforced concrete surface, thereby greatly shortening the construction period; the protective frame 1 in the maintenance pit can be used as a pouring template, and the structural strength of the concrete surface layer 2 can be further improved; the criss-cross steel bar protective net and the shear resistant ribs 6 are pre-embedded in the concrete surface layer 2, so that the concrete surface layer 2 has good anti-cracking and anti-shearing performance, the bearing capacity is ensured, the frequent inlet and outlet requirements of heavy-duty trucks can be met, and the service life is prolonged.
As shown in fig. 3-4, the reinforcing ribs 7 for supporting the protective frame 1 are arranged at intervals on the inner side of the protective frame 1, the lower portions of the reinforcing ribs 7 are inserted into the bottom wall of the maintenance pit, the upper portions of the reinforcing ribs 7 are connected with the protective frame 1, the reinforcing ribs 7 are vertically arranged ground embedded ribs, the protective frame 1 can be fixed to ensure normal pouring operation, and the structural strength of the edge of the concrete surface layer 2 can be ensured.
In actual construction, protection frame 1 includes the angle steel that a plurality of head and the tail connected gradually (the size of angle steel is L75X 50X 5), a side subsides of angle steel are established on the lateral wall in maintenance hole, another side of angle steel and the last mouthful of edge highly uniform in maintenance hole, maintenance scope is confirmed to usable angle steel, in order to ensure the maintenance of small circle, protection frame 1 that the angle steel is connected and is formed still can be used as concrete surface layer 2's the template of pouring when the construction, can guarantee the intensity of concrete surface layer 2 edges in concrete surface layer 2 after pouring.
As shown in figure 1, the three-color boundary line has beautiful appearance and reminding function. The boundary lines on the two sides can adopt yellow boundary lines to distinguish the working area from the road; the middle dividing line divides the road into sidewalks and traffic lanes. The surface of the concrete surface layer can be painted during actual construction.
The construction steps of the pavement structure of the utility model comprise the following contents:
cutting the boundary of the maintenance area by using a cutting device, cutting the existing concrete layer 3 in the maintenance area downwards to a depth of 50mm to form a maintenance pit, cleaning up garbage generated by cutting, and painting a surface of the maintenance pit with a cement grout to form a bonding layer (of course, the bonding layer can also be an interface agent);
punching holes at the inner side of the maintenance pit at intervals of about 1m, and implanting reinforcing ribs 7 into the bottom wall of the maintenance pit; constructing shear-resistant ribs 6 in a broken line structure at the designed positions of the maintenance pit, and implanting the two end parts of the shear-resistant ribs 6 into the bottom wall of the maintenance pit until the construction operation of all the shear-resistant ribs 6 is completed; installing angle steel at the edge of the maintenance pit, welding the joints of the angle steel together to form a protective frame 1, and spot-welding the upper side edge of the angle steel and the reinforcing rib 7 together to fix the protective frame 1; the first reinforcing steel bars 4 and the second reinforcing steel bars 5 are respectively connected with angle steel in a spot welding mode; c35 fine stone concrete is poured into the protective frame 1 to form a concrete surface layer 2, and the construction operation of the pavement structure of the utility model is completed;
after construction is finished, yellow boundary lines can be brushed on two sides of the road, and sidewalk and vehicle aisle boundary lines can be brushed on the concrete surface layer 2 according to the requirements of owners, so that the attractiveness is improved.
The combined layer, the angle steel, the reinforcing ribs 7 and the shear ribs 6 of the utility model can connect the concrete surface layer 2 and the existing concrete layer 3 into a whole, effectively avoid the disjointing between new and old concrete, ensure the shear strength, the anti-cracking performance and the bearing capacity after maintenance, and prolong the service life after maintenance; in addition, only damaged parts need to be excavated during construction, the excavation depth is small, the excavation amount is small, small-range upgrading and transformation of a workshop can be met, normal production of the workshop is not affected, and benefits of an owner are guaranteed.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made without inventive faculty to the embodiments described in the foregoing description, or some of the technical features thereof may be substituted. Therefore, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a road surface structure for factory building road transformation which characterized in that: the protective frame is arranged at the edge of the maintenance pit, and the combined layer and the concrete surface layer are arranged in the protective frame from bottom to top, wherein the depth of the maintenance pit is 40-60 mm; an anti-cracking unit and a shearing-resistant unit for protecting the concrete surface layer are pre-embedded in the concrete surface layer, and the anti-cracking unit comprises at least one layer of steel bar protective net formed by longitudinally arranged first steel bars and transversely arranged second steel bars; the shear resistant unit comprises a plurality of rows of shear resistant ribs pre-buried in a concrete surface layer.
2. The pavement structure for reconstructing a plant road according to claim 1, characterized in that: the inboard interval of protective frame is provided with the vertical strengthening rib that is used for supporting protective frame, just the lower part cartridge of strengthening rib is in the diapire of maintenance hole, the upper portion of strengthening rib with protective frame links together.
3. The pavement structure for reconstructing a plant road according to claim 2, characterized in that: the protection frame comprises angle steels which are sequentially connected end to end, and the upper parts of the reinforcing ribs are fixedly connected with the angle steels.
4. A pavement structure for the reconstruction of plant roads according to claim 2 or 3, characterized in that: the two ends of the first reinforcing steel bar are respectively connected with a pair of side edges of the protection frame in a spot welding mode, and the two ends of the second reinforcing steel bar are respectively connected with the other pair of side edges of the protection frame in a spot welding mode.
5. The pavement structure for reconstructing a plant road according to claim 1, characterized in that: the bonding layer is a plain cement layer, and the concrete surface layer is formed by pouring C35 fine stone concrete.
6. The pavement structure for reconstructing a plant road according to claim 2, characterized in that: the shear resistant ribs are of a broken line structure with a high middle part and low two ends, and the two ends of the shear resistant ribs are inserted into the bottom wall of the maintenance pit.
7. The pavement structure for reconstructing a plant road according to claim 2, characterized in that: the concrete surface layer is provided with at least two color boundary lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221400345.2U CN217460138U (en) | 2022-06-07 | 2022-06-07 | A road surface structure for factory building road reforms transform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221400345.2U CN217460138U (en) | 2022-06-07 | 2022-06-07 | A road surface structure for factory building road reforms transform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217460138U true CN217460138U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221400345.2U Active CN217460138U (en) | 2022-06-07 | 2022-06-07 | A road surface structure for factory building road reforms transform |
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| Country | Link |
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| CN (1) | CN217460138U (en) |
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2022
- 2022-06-07 CN CN202221400345.2U patent/CN217460138U/en active Active
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