CN215482172U - Cast-in-place concrete surface course shrinkage joint construction equipment that permeates water of municipal administration pavement - Google Patents
Cast-in-place concrete surface course shrinkage joint construction equipment that permeates water of municipal administration pavement Download PDFInfo
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- CN215482172U CN215482172U CN202121913820.1U CN202121913820U CN215482172U CN 215482172 U CN215482172 U CN 215482172U CN 202121913820 U CN202121913820 U CN 202121913820U CN 215482172 U CN215482172 U CN 215482172U
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Abstract
The utility model discloses a municipal sidewalk cast-in-situ pervious concrete surface course shrinkage joint construction device, which comprises a lower layer shrinkage joint construction device and an upper layer shrinkage joint construction device, wherein the lower layer shrinkage joint construction device comprises a first vertical steel inserting plate, the upper layer shrinkage joint construction device comprises a second vertical steel inserting plate, two ends of the first vertical steel inserting plate and the second vertical steel inserting plate are respectively connected with a first limiting clamping groove and a second limiting clamping groove, the outer ends of the first limiting clamping groove and the second limiting clamping groove are respectively provided with a first limiting bolt and a second limiting bolt in a threaded manner, the upper ends of the first limiting clamping groove and the second limiting clamping groove are respectively fixedly welded with a first handle and a second handle, the outer ends of the first vertical steel inserting plate and the second vertical steel inserting plate are respectively wrapped with a first plastic film and a second plastic film, the device is used for constructing a sidewalk cast-in-situ pervious concrete surface course shrinkage joint, the method is simple and convenient, labor-saving and time-saving, the formed contraction joint is attractive, and the environmental pollution such as dust raising noise and the like caused by cutting is avoided.
Description
Technical Field
The utility model belongs to the technical field of municipal road engineering construction, and particularly relates to a municipal sidewalk cast-in-place pervious concrete surface course contraction joint construction device.
Background
The municipal road engineering sidewalk pervious concrete surface layer is usually constructed in a two-layer mode, and in order to avoid irregular cracks generated on the sidewalk pervious concrete surface layer due to temperature shrinkage and drying shrinkage, one shrinkage joint is arranged along the cross section direction of the sidewalk at certain intervals according to design requirements; because the permeable concrete surface layer of the sidewalk is constructed in a two-layer mode, the contraction joints of the bottom layer and the surface layer are required to be positioned on the same section, otherwise, the function of the contraction joints is influenced, and the concrete surface layer of the sidewalk is easy to crack irregularly.
The common shrinkage joint is constructed by adopting a mechanical cutting mode, the workload is large, the labor and the time are wasted, in addition, dust raising and noise pollution are large in the operation process, certain environmental pollution is caused, the joint cutting construction is difficult to ensure that the upper and lower layers of shrinkage joints are positioned on the same section, the kerbs on the two sides of the sidewalk are easy to damage due to the joint cutting, and the like, so the municipal sidewalk cast-in-situ permeable concrete surface layer shrinkage joint construction device is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the problem, the utility model provides a municipal administration pavement cast-in-place pervious concrete surface course shrinkage joint construction equipment.
The technical scheme adopted by the utility model is as follows: a municipal sidewalk cast-in-situ pervious concrete surface layer shrinkage joint construction device comprises a lower layer shrinkage joint construction device and an upper layer shrinkage joint construction device, wherein the lower layer shrinkage joint construction device comprises a first vertical steel inserting plate, the upper layer shrinkage joint construction device comprises a second vertical steel inserting plate, two ends of the first vertical steel inserting plate and two ends of the second vertical steel inserting plate are respectively connected with a first limiting clamping groove and a second limiting clamping groove, the outer ends of the first limiting clamping groove and the second limiting clamping groove are respectively provided with a first limiting bolt and a second limiting bolt in a threaded manner, the upper ends of the first limiting clamping groove and the second limiting clamping groove are respectively welded and fixed with a first handle and a second handle, the outer ends of the first vertical steel inserting plate and the second vertical steel inserting plate are respectively wrapped with a first plastic film and a second plastic film, the first limiting clamping groove and the second limiting clamping groove are respectively clamped and installed on the top surfaces of kerbs on two sides of a sidewalk, the outer ends of the first limiting bolt and the second limiting bolt are respectively provided with a first limiting bolt turntable and a second limiting bolt turntable.
In a preferred embodiment, the kerbstone bottom is fixed for the kerbstone basis, the downside on kerbstone basis is provided with the rubble basis, the upper portion on rubble basis is the lower floor concrete and the upper strata concrete that permeates water in proper order, first vertical steel picture peg and the vertical steel of second are inserted the plate thickness and are designed the crack width unanimous with the pavement, first vertical steel picture peg and the vertical steel picture peg length of second are in addition first spacing draw-in groove and the spacing draw-in groove both sides thickness of second and pavement concrete face width size of permeating water unanimously.
In a preferred embodiment, the height of the first vertical steel inserting plate is 1/3 the thickness of the lower layer pervious concrete, and the top surface of the first vertical steel inserting plate is flush with the top surface of the lower layer pervious concrete.
In a preferred embodiment, the height of the second vertical steel inserting plate is the thickness of pervious concrete on the upper layer plus 10mm, the upper layer of the top surface of the second vertical steel inserting plate is flush with the top surface of the pervious concrete, and the bottom of the second vertical steel inserting plate is inserted into the pervious concrete on the lower layer and is 10 mm.
In a preferred embodiment, the first limiting clamping groove and the second limiting clamping groove are provided with mounting grooves, the mounting grooves are matched with the kerbstone, and the first limiting clamping groove and the second limiting clamping groove are respectively mounted on the kerbstone through a first limiting bolt and a second limiting bolt.
In a preferred embodiment, the first limiting clamping groove and the second limiting clamping groove are integrally made of steel plates.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the construction method, the pre-embedded shrinkage joint construction device is used in construction of the pavement cast-in-place pervious concrete surface layer, the pavement pervious concrete surface layer permanent shrinkage joint is formed without mechanical cutting after concrete pouring, the shrinkage joint position, the joint width, the joint depth, the shrinkage joint verticality and the like meet design requirements, the upper shrinkage joint and the lower shrinkage joint are located on the same section, the shrinkage joint effect is prevented from being influenced due to deviation caused by manual cutting, a large amount of manual cutting shrinkage joint workload is saved by adopting the pre-embedded shrinkage joint construction device, and pollution such as noise, dust and the like caused by mechanical cutting is also avoided.
Drawings
FIG. 1 is a schematic structural view of the lower layer shrinkage joint construction device of the present invention installed during construction;
FIG. 2 is a schematic structural diagram of the upper layer shrinkage joint construction device of the utility model during construction;
FIG. 3 is a schematic view of the construction of the cast-in-place pervious concrete surface layer of the municipal sidewalk of the utility model;
FIG. 4 is a front cross-sectional schematic structural view of the lower layer work apparatus of the present invention;
FIG. 5 is a schematic perspective view of the lower contraction joint construction apparatus according to the present invention;
FIG. 6 is a front cross-sectional structural schematic view of the upper layer caulking construction apparatus of the present invention;
fig. 7 is a schematic perspective view of the upper layer contraction joint construction apparatus according to the present invention.
The labels in the figure are: 1-a second limiting bolt turntable, 2-a second handle, 3-a second vertical steel inserting plate, 4-a second plastic film, 5-a second limiting clamping groove, 6-a second limiting bolt, 7-a first limiting bolt, 8-a first vertical steel inserting plate, 9-a first plastic film, 10-a first handle, 11-a first limiting clamping groove, 12-a first limiting bolt turntable, 13-a broken stone foundation, 14-lower layer pervious concrete, 15-upper layer pervious concrete, 16-a kerbstone, 17-a kerbstone foundation, 18-an upper layer shrinkage joint construction device and 19-a lower layer shrinkage joint construction device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-7, a municipal sidewalk cast-in-place pervious concrete surface course shrinkage joint construction device comprises a lower layer shrinkage joint construction device 19 and an upper layer shrinkage joint construction device 18, wherein the lower layer shrinkage joint construction device 19 comprises a first vertical steel insertion plate 8, the upper layer shrinkage joint construction device 18 comprises a second vertical steel insertion plate 3, two ends of the first vertical steel insertion plate 8 and the second vertical steel insertion plate 3 are respectively connected with a first limiting clamping groove 11 and a second limiting clamping groove 5, the upper shrinkage joint and the lower shrinkage joint construction are realized by the positions of the lower layer pervious concrete 14 and the upper layer pervious concrete 15 of the first vertical steel insertion plate 8 and the second vertical steel insertion plate 3, the outer ends of the first limiting clamping groove 11 and the second limiting clamping groove 5 are respectively provided with a first limiting bolt 7 and a second limiting bolt 6 in a threaded manner, the upper ends of the first limiting clamping groove 11 and the second limiting clamping groove 5 are respectively welded and fixed with a first handle 10 and a second handle 2, the lower layer of shrinkage joint construction device 19 and the upper layer of shrinkage joint construction device 18 can be conveniently and respectively lifted and installed through the first handle 10 and the second handle 2, the outer ends of the first vertical steel inserting plate 8 and the second vertical steel inserting plate 3 are respectively wrapped with a first plastic film 9 and a second plastic film 4, the first vertical steel inserting plate 8 and the second vertical steel inserting plate 3 can be protected through the first plastic film 9 and the second plastic film 4 to prevent concrete from being adhered to the outer ends of the first vertical steel inserting plate 8 and the second vertical steel inserting plate 3, the first limiting clamping groove 11 and the second limiting clamping groove 5 are respectively clamped and installed on the top surfaces of the kerbs 16 on two sides of a sidewalk, the outer ends of the first limiting bolt 7 and the second limiting bolt 6 are respectively provided with a first limiting bolt turntable 12 and a second limiting bolt turntable 1, and the positions of the first limiting bolt 7 and the second limiting bolt 6 can be adjusted through rotating the first limiting bolt turntable 12 and the second limiting bolt turntable 1, and fixing the first limiting clamping groove 11 and the second limiting clamping groove 5 on the kerbstone 16.
It should be noted that the bottom of the kerb 16 is fixed by a kerb foundation 17, a broken stone foundation 13 is arranged on the lower side of the kerb foundation 17, the upper part of the broken stone foundation 13 is sequentially provided with a lower layer of pervious concrete 14 and an upper layer of pervious concrete 15, the thickness of the first vertical steel inserting plate 8 and the second vertical steel inserting plate 3 is consistent with the width of the designed contraction joint of the sidewalk, the length of the first vertical steel inserting plate 8 and the second vertical steel inserting plate 3, the thickness of the two sides of the first limiting clamping groove 11 and the second limiting clamping groove 5 are consistent with the width of the permeable concrete surface layer of the sidewalk, after the broken stone foundation 13 of the sidewalk and the kerb 16 on the two sides of the sidewalk are constructed in place, a lower layer of contraction joint construction device 19 is arranged at the designed position of the sidewalk, the first limiting clamping groove 11 is arranged on the kerb 16 on the two sides, then the lower layer of pervious concrete 14 is manually poured, and after being vibrated and leveled and the concrete is initially set or reaches a certain strength, the first handle 10 is lifted manually and the lower-layer shrinkage joint construction device 19 is pulled out to form a lower-layer concrete shrinkage joint, before the upper-layer pervious concrete 15 is constructed, the upper-layer shrinkage joint construction device 18 is installed along the shrinkage joint position, the bottom of the second vertical steel insertion plate 3 of the upper-layer shrinkage joint construction device 18 is ensured to be inserted into the lower-layer shrinkage joint, then the upper-layer pervious concrete 15 is poured manually, after vibrating and leveling and concrete initial setting or certain strength are achieved, the second handle 2 at the top of the shrinkage joint construction device is lifted manually to lift the shrinkage joint construction device, the upper-layer shrinkage joint is formed, and then the construction of the lower shrinkage joint and the upper shrinkage joint can be completed.
It should be noted that the height of the first vertical steel inserting plate 8 is 1/3 the thickness of the lower layer pervious concrete 14, the top surface of the first vertical steel inserting plate 8 is flush with the top surface of the lower layer pervious concrete 14, and the contraction joint on the lower layer pervious concrete 14 can be completed through the position of the first vertical steel inserting plate 8 in the lower layer pervious concrete 14.
It should be noted that, the height of the second vertical steel inserting plate 3 is 15 +10mm of upper pervious concrete, the upper layer of the top surface of the second vertical steel inserting plate 3 is flush with the top surface of the pervious concrete 15, and the bottom of the second vertical steel inserting plate 3 is inserted into the lower pervious concrete 14 to be 10mm, so that the second vertical steel inserting plate 3 can be clamped into the lower shrinkage joint in the lower pervious concrete 14, the second vertical steel inserting plate 3 is convenient to limit, and meanwhile, the upper shrinkage joint is convenient to construct.
It should be noted that, the mounting groove is opened under first spacing draw-in groove 11 and the spacing draw-in groove 5 of second, mounting groove and 16 looks adaptations of curb, the mounting groove joint of seting up on first spacing draw-in groove 11 and the spacing draw-in groove 5 of second is installed on curb 16, accomplish the preliminary spacing of first spacing draw-in groove 11 and the spacing draw-in groove 5 of second and curb 16, first spacing draw-in groove 11 and the spacing draw-in groove 5 of second are installed on curb 16 through first spacing bolt 7 and second spacing bolt 6 respectively, through first spacing bolt 7 and second spacing bolt 6 alright improve the fixed effect of the spacing draw-in groove 5 of second through first spacing bolt 7 and curb 16 respectively.
It should be noted that the first limiting clamping groove 11 and the second limiting clamping groove 5 are integrally made of steel plates, so that the overall strength of the first limiting clamping groove 11 and the second limiting clamping groove 5 is ensured.
The working principle is as follows: the utility model relates to a sidewalk cast-in-place concrete surface course contraction joint construction device, after a broken stone foundation 13 of a sidewalk and border stones 16 at two sides of the sidewalk are constructed in place, a lower layer contraction joint construction device 19 is installed at a designed position of the contraction joint of the sidewalk, a first limiting clamping groove 11 is installed on the border stones 16 at two sides, then lower layer permeable concrete 14 is poured manually, after vibration leveling and concrete initial setting or certain strength are achieved, a first handle 10 is lifted manually and the lower layer contraction joint construction device 19 is pulled out to form a lower layer concrete contraction joint, before upper layer permeable concrete 15 is constructed, an upper layer contraction joint construction device 18 is installed along the contraction joint position to ensure that the bottom of a second vertical steel inserting plate 3 of the upper layer contraction joint construction device 18 is inserted into the lower layer contraction joint, then upper layer permeable concrete 15 is poured manually, after vibration leveling and concrete initial setting or certain strength are achieved, a second handle 2 at the top of the contraction joint construction device is lifted manually, and forming an upper layer shrinkage joint, and finishing the construction of a lower shrinkage joint and an upper shrinkage joint.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a cast-in-place concrete surface course shrinkage joint construction equipment that permeates water of municipal administration pavement, includes lower floor's shrinkage joint construction equipment (19) and upper shrinkage joint construction equipment (18), its characterized in that: lower floor's shrinkage joint construction equipment (19) are including first vertical steel picture peg (8), upper shrinkage joint construction equipment (18) are including vertical steel picture peg (3) of second, the both ends of first vertical steel picture peg (8) and vertical steel picture peg (3) of second are connected with first spacing draw-in groove (11) and the spacing draw-in groove of second (5) respectively, first spacing bolt (7) and the spacing bolt of second (6) are installed to the outer end of first spacing draw-in groove (11) and the spacing draw-in groove of second (5) screw thread respectively, the upper end of first spacing draw-in groove (11) and the spacing draw-in groove of second (5) welded fastening respectively has first in command (10) and second in command (2), the outer end of first vertical steel picture peg (8) and the vertical steel picture peg of second (3) is wrapped up in respectively and has first plastic film (9) and second plastic film (4), first spacing draw-in groove (11) and the spacing draw-in groove of second (5) are installed in the rimmed stone (16) joint respectively in the sidewalk of sidewalk both sides ) The top surface, the outer end of first spacing bolt (7) and second spacing bolt (6) is provided with first spacing bolt carousel (12) and second spacing bolt carousel (1) respectively.
2. The municipal sidewalk cast-in-situ permeable concrete surface course contraction joint construction device according to claim 1, characterized in that: kerbstone (16) bottom is kerbstone basis (17) fixed, the downside of kerbstone basis (17) is provided with rubble basis (13), the upper portion of rubble basis (13) is lower floor pervious concrete (14) and upper permeable concrete (15) in proper order, the thickness of first vertical steel picture peg (8) and the vertical steel picture peg of second (3) is unanimous with pavement design crack width, first vertical steel picture peg (8) and the vertical steel picture peg of second (3) length are unanimous with pavement pervious concrete surface course width size in addition first spacing draw-in groove (11) and the spacing draw-in groove of second (5) both sides thickness.
3. The municipal sidewalk cast-in-situ permeable concrete surface course contraction joint construction device according to claim 2, characterized in that: the height of the first vertical steel inserting plate (8) is 1/3 the thickness of the lower layer pervious concrete (14), and the top surface of the first vertical steel inserting plate (8) is flush with the top surface of the lower layer pervious concrete (14).
4. The municipal sidewalk cast-in-situ permeable concrete surface course shrinkage joint construction device according to claim 3, wherein: the height of the second vertical steel inserting plate (3) is the upper layer pervious concrete (15) with the thickness of +10mm, the upper layer of the top surface of the second vertical steel inserting plate (3) is flush with the top surface of the pervious concrete (15), and the bottom of the second vertical steel inserting plate (3) is inserted into the lower layer pervious concrete (14) and is 10 mm.
5. The municipal sidewalk cast-in-situ permeable concrete surface course contraction joint construction device according to claim 1, characterized in that: the utility model discloses a curb stone, including first spacing draw-in groove (11), second spacing draw-in groove (5), mounting groove and kerbstone (16) looks adaptation are seted up to first spacing draw-in groove (11) and second spacing draw-in groove (5), install on kerbstone (16) through first spacing bolt (7) and second spacing bolt (6) respectively first spacing draw-in groove (11) and second spacing draw-in groove (5).
6. The municipal sidewalk cast-in-situ permeable concrete surface course contraction joint construction device according to claim 1, characterized in that: the first limiting clamping groove (11) and the second limiting clamping groove (5) are integrally made of steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121913820.1U CN215482172U (en) | 2021-08-16 | 2021-08-16 | Cast-in-place concrete surface course shrinkage joint construction equipment that permeates water of municipal administration pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121913820.1U CN215482172U (en) | 2021-08-16 | 2021-08-16 | Cast-in-place concrete surface course shrinkage joint construction equipment that permeates water of municipal administration pavement |
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| Publication Number | Publication Date |
|---|---|
| CN215482172U true CN215482172U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121913820.1U Active CN215482172U (en) | 2021-08-16 | 2021-08-16 | Cast-in-place concrete surface course shrinkage joint construction equipment that permeates water of municipal administration pavement |
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| Country | Link |
|---|---|
| CN (1) | CN215482172U (en) |
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2021
- 2021-08-16 CN CN202121913820.1U patent/CN215482172U/en active Active
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