Template device and construction method for integrally forming concrete curb and drainage ditch

Abstract

This invention relates to a formwork device and construction method for integrated molding of concrete curb stones and drainage ditches. The formwork device includes connecting rods, drainage ditch formwork units, and multiple fixing units. The connecting rods and drainage ditch formwork units are spaced apart. The first end of each fixing unit is connected to the side of the connecting rod away from the drainage ditch formwork unit, and the second end of each fixing unit is detachably connected to the top of the drainage ditch formwork unit. The fixing units are spaced apart along the extension direction of the connecting rods. The construction method is as follows: surveying and setting out – installing connecting rods – installing fixing units – installing drainage ditch formwork units – pouring concrete – removing connecting rods and fixing units. Compared with the traditional formwork timber processing and fixing method, this setup improves the integrated molding effect of curb stones and drainage ditches in underground transportation networks, and the straightness and slope quality can be controlled. At the same time, it increases the reusability, increases the number of turnovers, and saves materials.

Description

Technical Field

[0001] This invention relates to the field of building engineering technology, and in particular to a formwork device and construction method for the integrated molding of concrete curb stones and drainage ditches. Background Technology

[0002] Currently, in road construction, the overall aesthetic effect of cast-in-place curb stones and drainage ditches at the bottom edge of anti-erosion curbs is crucial. The overall appearance, straightness, and slope of the curb stones and drainage ditches are important aspects of the final acceptance inspection. However, the traditional formwork and timber processing and fixing methods are difficult to guarantee the aesthetic effect. Traditional methods are prone to problems such as misalignment, unevenness, and deformation of straightness, resulting in a large amount of secondary repairs and rework. At the same time, there is a lot of cutting and processing of formwork, few turnovers, and serious material waste. Summary of the Invention

[0003] To address the shortcomings of existing technologies, the purpose of this invention is to provide a formwork device and construction method for the integrated molding of concrete curb stones and drainage ditches. Its advantages include achieving good integrated molding of underground traffic network curb stones and drainage ditches, controllable straightness and slope quality, improved reusability, increased turnover, and material savings.

[0004] The above-mentioned objective of this invention is achieved through the following technical solution: On one hand, this invention provides a template device for integrated molding of concrete curb stones and drainage ditches, including a connecting rod, a drainage ditch template unit, and multiple fixing units; the connecting rod is located on the road surface sloping layer, the drainage ditch template unit is used to be embedded in the road curb stone between the road surface sloping layer and the anti-erosion curb stone, the connecting rod and the drainage ditch template unit are spaced apart, the first end of each of the multiple fixing units is connected to the side of the connecting rod away from the drainage ditch template unit, the second end of each of the multiple fixing units is detachably connected to the top end of the drainage ditch template unit, and the multiple fixing units are spaced apart along the extension direction of the connecting rod.

[0005] Preferably, the template device for integrated molding of concrete curb stones and drainage ditches provided by the present invention includes a drainage ditch template unit comprising a drainage ditch steel template and multiple connecting steel plates, wherein the multiple connecting steel plates are all disposed at the open end of the drainage ditch steel template and are spaced apart along the extension direction of the drainage ditch steel template; the second end of the fixing unit is detachably connected to the connecting steel plates.

[0006] Preferably, in the template device for the integrated molding of concrete curb stones and drainage ditches provided by the present invention, the thickness of the steel template for the drainage ditch ranges from 2mm to 4mm.

[0007] Preferably, the template device for integrated molding of concrete curb stones and drainage ditches provided by the present invention includes a fixing unit comprising a fixing rod and a connecting component. The bottom surface of the fixing rod is in contact with the road surface slope layer and is connected by bolts. One end of the fixing rod facing the drainage ditch template unit is connected to the side of the connecting rod away from the drainage ditch template unit. One end of the connecting component is connected to the top surface of the fixing rod, and the other end of the connecting component is detachably connected to the top of the drainage ditch template unit.

[0008] Preferably, the template device for integrated molding of concrete curbstone and drainage ditch provided by the present invention includes a connecting component comprising an installation rod and a screw rod. One end of the installation rod is connected to the top surface of the fixing rod, and the other end of the installation rod is connected to the outer peripheral wall of the screw rod. The bottom end of the screw rod is detachably connected to the top end of the drainage ditch template unit.

[0009] Preferably, in the template device for the integrated molding of concrete curb stones and drainage ditches provided by the present invention, the installation rod is an L-shaped rod.

[0010] Preferably, in the formwork device for the integrated molding of concrete curb stones and drainage ditches provided by the present invention, the fixing rod is made of channel steel.

[0011] Preferably, in the formwork device for the integrated molding of concrete curb stones and drainage ditches provided by the present invention, the connecting rod is made of channel steel.

[0012] On the other hand, the present invention provides a construction method for the formwork device for the integrated molding of concrete curb stones and drainage ditches as described above, comprising the following steps: The ink lines for the coincidence positioning of the connecting rod, the ink lines for the positioning control of the connecting rod, the ink lines for the coincidence elevation control of the water ditch steel mold in the water ditch mold unit, the ink lines for the positioning elevation control of the water ditch steel mold, and the ink lines for the coincidence positioning of the fixing rod in the fixing unit are applied. Install the connecting rod flush with the ink line of the overlapping positioning line of the connecting rod; Install the fixing unit and align the fixing rod in the fixing unit with the coincident positioning line of the fixing rod. Based on the coincidence elevation control line and the positioning elevation control line of the ditch steel mold, the ditch mold unit is installed to the second end of the fixed unit. Concrete is poured between the road surface slope layer and the erosion control curb to form the road curb. After a preset time, the connecting rod and the fixing unit are removed.

[0013] Preferably, the construction method provided by the present invention, wherein installing the ditch formwork unit to the second end of the fixed unit according to the coincident elevation control line and the positioning elevation control line of the ditch formwork, includes: The bottom end of the screw in the fixing unit is inserted into the connecting steel plate in the water trench mold unit. The upper and lower sides of the connecting steel plate are fixed by the upper fastening unit and the lower fastening unit respectively to clamp the connecting steel plate. The ditch mold unit is adjusted according to the overlapping elevation control line and the positioning elevation control line of the ditch mold. After adjustment, the upper fastening unit and the lower fastening unit are screwed on to fix the ditch mold unit.

[0014] In summary, the beneficial technical effects of this invention are as follows: The template device and construction method for integrated molding of concrete curb stones and drainage ditches provided in this application include a connecting rod, a drainage ditch formwork unit, and multiple fixing units. The connecting rod is located on the road surface slope-finding layer, and the drainage ditch formwork unit is used to be embedded in the road curb stone between the road surface slope-finding layer and the anti-erosion curb stone. The connecting rod and the drainage ditch formwork unit are spaced apart. The first end of each of the multiple fixing units is connected to the side of the connecting rod away from the drainage ditch formwork unit, and the second end of each of the multiple fixing units is detachably connected to the top of the drainage ditch formwork unit. The multiple fixing units are spaced apart along the extension direction of the connecting rod. The construction method is as follows: surveying and setting out - installing the connecting rod - installing the fixing unit - installing the drainage ditch formwork unit - pouring concrete - removing the connecting rod and fixing unit. Compared with the traditional template timber processing and fixing method, this configuration improves the integrated molding effect of underground traffic network curb stones and drainage ditches, and its straightness and slope quality are controllable. At the same time, it improves the reusability, increases the number of turnovers, and saves materials. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the forming cross-sectional structure of the template device for the integrated forming of concrete curb stones and drainage ditches provided in an embodiment of the present invention.

[0016] Figure 2 This is a top view of the template device for the integrated molding of concrete curb stones and drainage ditches provided in an embodiment of the present invention.

[0017] Figure 3 This is a side view of the template device for the integrated molding of concrete curb stones and drainage ditches provided in an embodiment of the present invention.

[0018] Figure 4 This is a flowchart of a construction method for a formwork device for integrated molding of concrete curb stones and drainage ditches, provided in another embodiment of the present invention.

[0019] In the diagram, 1 is the template device; 10 is the connecting rod; 20 is the drainage ditch template unit; 21 is the drainage ditch steel template; 22 is the connecting steel plate; 30 is the fixing unit; 31 is the fixing rod; 311 is the expansion bolt; 32 is the connecting component; 321 is the mounting rod; 322 is the screw rod; 3231 is the upper nut; 3241 is the lower nut; 2 is the road surface slope layer; 3 is the road surface curb stone; and 4 is the anti-erosion curb stone. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to the accompanying drawings.

[0021] Reference Figures 1 to 3 This invention discloses a template device 1 for integrated molding of concrete curb stones and drainage ditches, comprising a connecting rod 10, a drainage ditch template unit 20, and multiple fixing units 30. The connecting rod 10 is located on the road surface slope-finding layer 2, and the drainage ditch template unit 20 is used to embed in the road curb stone 3 between the road surface slope-finding layer 2 and the anti-erosion curb stone 4. The connecting rod 10 and the drainage ditch template unit 20 are spaced apart. The first end of each of the multiple fixing units 30 is connected to the side of the connecting rod 10 away from the drainage ditch template unit 20, and the second end of each of the multiple fixing units 30 is detachably connected to the top of the drainage ditch template unit 20. The multiple fixing units 30 are spaced apart along the extension direction of the connecting rod 10. Compared with the traditional template timber processing and fixing method, this configuration improves the integrated molding effect of underground traffic network curb stones and drainage ditches, and the straightness and slope quality are controllable. At the same time, it improves the reusability, increases the number of turnovers, and saves materials.

[0022] Among them, with Figure 3 Taking the orientation shown as an example, the first end of the fixing unit 30 is the left end of the fixing unit 30, and the second end of the fixing unit 30 is the right end of the fixing unit 30.

[0023] The connecting rod 10 is made of channel steel. Of course, the connecting rod 10 can also be made of I-beam steel. In the possible implementation of the connecting rod 10 being made of channel steel, the connecting rod 10 is composed of multiple segments of channel steel connected sequentially, and the length of each segment of channel steel ranges from 2m to 4m. In this embodiment, the length of each segment of channel steel is 3m.

[0024] During use, the connecting rod 10 extends along the length of the road surface slope layer 2, and the second end of the fixing unit 30 is detachably connected to the top of the drainage ditch mold unit 20. After construction is completed, the connecting rod 10 and the fixing unit 30 are disassembled, which improves the reuse rate, increases the number of turnovers, and saves materials.

[0025] Furthermore, in this embodiment, the drainage ditch mold unit 20 includes a drainage ditch steel mold 21 and a plurality of connecting steel plates 22. The plurality of connecting steel plates 22 are all disposed at the open end of the drainage ditch steel mold 21, and the plurality of connecting steel plates 22 are spaced apart along the extension direction of the drainage ditch steel mold 21; the second end of the fixing unit 30 is detachably connected to the connecting steel plates 22.

[0026] Specifically, the drainage ditch steel mold 21 extends along the length of the road surface slope layer 2. The drainage ditch steel mold 21 includes multiple troughs, which are connected in sequence to form the drainage ditch steel mold 21. The troughs are made by pressing and shaping. The length of each trough ranges from 1m to 2m. In this embodiment, the length of each trough is 1.5m.

[0027] The thickness of the drainage ditch steel mold 21 ranges from 2mm to 4mm. In this embodiment, the drainage ditch steel mold 21 is made of a 3mm thick steel plate.

[0028] In this embodiment, the connecting steel plate 22 is made of 3mm thick steel plate.

[0029] Furthermore, in this embodiment, the fixing unit 30 includes a fixing rod 31 and a connecting component 32. The bottom surface of the fixing rod 31 is attached to the road surface slope layer 2 and is connected by bolts. One end of the fixing rod 31 facing the drainage ditch unit 20 is connected to the side of the connecting rod 10 away from the drainage ditch unit 20. One end of the connecting component 32 is connected to the top surface of the fixing rod 31, and the other end of the connecting component 32 is detachably connected to the top of the drainage ditch unit 20.

[0030] Specifically, the extending direction of the fixing rod 31 is perpendicular to the extending direction of the connecting rod 10, so as to... Figure 3 Taking the orientation shown as an example, the bottom end of the fixing rod 31 is connected to the road surface slope layer 2 by expansion bolts 311, the right end of the fixing rod 31 is welded to the left side of the connecting rod 10, one end of the connecting component 32 is welded to the top surface of the fixing rod 31, and the other end of the connecting component 32 is detachably connected to the connecting steel plate 22.

[0031] The fixing rod 31 is made of channel steel. Of course, the fixing rod 31 can also be made of I-beam steel.

[0032] Furthermore, in this embodiment, the connecting component 32 includes a mounting rod 321 and a screw 322. One end of the mounting rod 321 is connected to the top surface of the fixing rod 31, and the other end of the mounting rod 321 is connected to the outer peripheral wall of the screw 322. The bottom end of the screw 322 is detachably connected to the top end of the water channel mold unit 20.

[0033] Specifically, one end of the mounting rod 321 is welded to the top surface of the fixing rod 31, and the other end of the connecting rod 10 is welded to the outer peripheral wall of the screw rod 322. The bottom end of the screw rod 322 is inserted into the water ditch steel mold 21 by passing through the upper nut 3231, the upper washer, the connecting steel plate 22, the lower washer, and the lower nut 3241 in sequence. By screwing the upper nut 3231 and the lower nut 3241, the upper washer and the lower washer are clamped to the connecting steel plate 22, thereby fixing the water ditch mold unit 20 on the screw rod 322.

[0034] The mounting rod 321 can be an L-shaped rod. Of course, the screw 322 can also be an H-shaped rod.

[0035] Continue to refer to Figure 4 Another embodiment provides a construction method for the formwork device 1, which integrates concrete curb stones and drainage ditches as described above, including the following steps: S101, Apply the ink line of the coincident positioning line of the connecting rod 10, the ink line of the positioning control line of the connecting rod 10, the ink line of the coincident elevation control line of the water ditch steel mold 21 in the water ditch mold unit 20, the ink line of the positioning elevation control line of the water ditch steel mold 21, and the ink line of the coincident positioning line of the fixing rod 31 in the fixing unit 30. S102. Install the connecting rod 10 flush with the ink line of the overlapping positioning line of the connecting rod 10; S103. Install the fixing unit 30, and align the fixing rod 31 in the fixing unit 30 with the coincident positioning line of the fixing rod 31. S104. Based on the coincidence elevation control line and the positioning elevation control line of the water ditch steel mold 21, install the water ditch mold unit 20 to the second end of the fixing unit 30. S105. Concrete is poured between the road surface slope layer 2 and the anti-erosion curb 4 to form the road curb 3. S106. After a preset time, remove the connecting rod 10 and the fixing unit 30. This setting improves the integrated molding effect of the underground traffic network curb and drainage ditch, while also increasing the reuse rate, increasing the number of turnovers, and saving materials.

[0036] Specifically, such as Figure 1 As shown, according to the process flow, the first step is to complete the construction of the anti-erosion curbstone 4 concrete, the second step is to complete the construction of the ground concrete slope layer, the third step is to construct the curbstone and drainage ditch, and the fourth step is to pave the asphalt concrete pavement.

[0037] This embodiment is a construction method for the integrated molding of curb stones and drainage ditches in the third construction phase. Before step S101, it also includes: customizing the drainage ditch mold unit 20 in the processing plant, which is made of 3mm thick steel plate.

[0038] Among them, S101, the coincident positioning line of the connecting rod 10, the positioning control line of the connecting rod 10, the coincident elevation control line of the ditch steel mold 21 in the ditch mold unit 20, the positioning elevation control line of the ditch steel mold 21, and the coincident positioning line of the fixing rod 31 in the fixing unit 30 include: S1011. Based on the position of the curbstone axis, lay one overlapping positioning line of the connecting rod 10, and lay one positioning control line of the connecting rod 10 at a deviation of 100mm. S1012. On the side of the anti-erosion side stone 4, lay an ink line for the coincidence elevation control line of the ditch steel formwork 21, and lay an ink line for the positioning elevation control line of the ditch steel formwork 21 100mm above it. S1013. One overlapping positioning line of a fixed rod 31 is applied at preset intervals on the longitudinal plane.

[0039] Specifically, along the extension direction of the connecting rod 10, a coincident positioning line of the fixing rod 31 is laid on the plane at intervals of 1.5m.

[0040] S103, installing the fixing unit 30, and aligning the fixing rod 31 in the fixing unit 30 with the coincident positioning line of the fixing rod 31, includes: S1031. Install the fixing rod 31 flush with the ink line of the overlapping positioning line of the fixing rod 31, and spot weld the contact point between the fixing rod 31 and the connecting rod 10. S1032. Drill holes in the road surface slope layer 2, and insert the bottom ends of the expansion bolts 311 through the washers and the bottom surfaces of the fixing rods 31 into the drilled holes so that the fixing rods 31 are fixed to the road surface slope layer 2.

[0041] It should be noted that the fixing rod 31, mounting rod 321 and screw 322 in the fixing unit 30 are an integral structure. After the fixing rod 31 is installed, the fixing unit 30 is installed as a whole.

[0042] S104, based on the coincident elevation control line and the positioning elevation control line of the ditch steel mold 21, the ditch mold unit 20 is installed to the second end of the fixing unit 30, including: S1041. Insert the bottom end of the screw 322 in the fixing unit 30 onto the connecting steel plate 22 in the water trench mold unit 20. The upper and lower sides of the connecting steel plate 22 are fixed by the upper fastening unit and the lower fastening unit respectively to clamp the connecting steel plate 22.

[0043] The upper fastening unit includes an upper nut 3231 and an upper washer. Both the upper nut 3231 and the upper washer are sleeved on the screw 322 and are located on the upper part of the connecting steel plate 22. The bottom surface of the upper washer is in contact with the top surface of the connecting steel plate 22, and the bottom surface of the upper nut 3231 is in contact with the top surface of the upper washer.

[0044] The lower fastening unit includes a lower nut 3241 and a lower washer. Both the lower nut 3241 and the lower washer are sleeved on the screw 322 and are located at the lower part of the connecting steel plate 22. The top surface of the lower washer is in contact with the bottom surface of the connecting steel plate 22, and the top surface of the lower nut 3241 is in contact with the bottom surface of the lower washer.

[0045] Specifically, the bottom end of the screw 322 is inserted into the water ditch steel mold 21 by passing through the upper nut 3231, the upper washer, the connecting steel plate 22, the lower washer, and the lower nut 3241 in sequence, so that the upper washer and the lower washer clamp the connecting steel plate 22.

[0046] S1042. Adjust the ditch mold unit 20 according to the coincidence elevation control line and the positioning elevation control line of the ditch mold 21. After the adjustment is completed, tighten the upper fastening unit and the lower fastening unit to fix the ditch mold unit 20.

[0047] Specifically, the trench mold unit 20 is adjusted up and down and left and right according to the coincidence elevation control line and the positioning elevation control line of the trench steel mold 21. After the adjustment is completed, the upper nut 3231 and the lower nut 3241 are screwed to clamp the upper shim and the lower shim to connect the steel plate 22, thereby fixing the trench mold unit 20 on the screw 322.

[0048] In this embodiment, S105, pouring concrete between the road surface slope layer 2 and the erosion control curb 4 to form the road curb 3 includes: pouring self-compacting concrete between the road surface slope layer 2 and the erosion control curb 4, and using a vibrator for compaction; with this setting, the self-compacting concrete has good fluidity, which can solve the problem of air bubbles on the side of the erosion control curb 4 being difficult to remove.

[0049] It should be noted that concrete is poured between the road surface slope layer 2 and the anti-erosion curb 4 so that the drainage ditch steel mold 21 is embedded in the concrete to form a drainage ditch.

[0050] Before the concrete has fully set, a corner mold with a radius of R10 is used to press the corner arc surface by fitting it to the edge of the water ditch steel mold 21.

[0051] In this embodiment, S106, after a preset time, the connecting rod 10 and the fixing unit 30 are removed, including: after 3 days, the connecting rod 10 and the fixing unit 30 are removed, and the local edge of the formed drainage ditch is ground and repaired.

[0052] This application provides a formwork device 1 and construction method for integrated molding of concrete curb stones and drainage ditches. The formwork device 1 includes a connecting rod 10, a drainage ditch formwork unit 20, and multiple fixing units 30. The connecting rod 10 is located on the road surface sloping layer 2. The drainage ditch formwork unit 20 is embedded in the road curb stone 3 between the road surface sloping layer 2 and the anti-erosion curb stone 4. The connecting rod 10 and the drainage ditch formwork unit 20 are spaced apart. The first end of each of the multiple fixing units 30 is connected to the side of the connecting rod 10 away from the drainage ditch formwork unit 20, and the second end of each of the multiple fixing units 30 is connected to the drainage ditch. The top of the module unit 20 is detachably connected, and multiple fixing units 30 are spaced apart along the extension direction of the connecting rod 10. The construction process is as follows: surveying and setting out - installing the connecting rod 10 - installing the fixing unit 30 - installing the drainage ditch module unit 20 - pouring concrete - removing the connecting rod 10 and the fixing unit 30. Compared with the traditional formwork and timber processing and fixing method, this setting improves the integrated molding effect of the underground traffic network curb and drainage ditch, and its straightness and slope quality can be controlled. At the same time, it improves the reuse rate, increases the number of turnovers, and saves materials.

[0053] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0054] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A formwork device for integrally molding concrete curb stones and drainage ditches, characterized in that: Includes connecting rods, drainage trench unit, and multiple fixing units; The connecting rod is located on the road surface sloping layer, and the drainage ditch unit is used to be embedded in the road curb between the road surface sloping layer and the anti-erosion curb. The connecting rod and the drainage ditch unit are spaced apart. The first end of each of the plurality of fixing units is connected to the side of the connecting rod away from the drainage ditch unit, and the second end of each of the plurality of fixing units is detachably connected to the top of the drainage ditch unit. The plurality of fixing units are spaced apart along the extension direction of the connecting rod.

2. The formwork device for integrated molding of concrete curb stones and drainage ditches according to claim 1, characterized in that: The drainage ditch mold unit includes a drainage ditch steel mold and multiple connecting steel plates. The multiple connecting steel plates are all disposed at the open end of the drainage ditch steel mold, and the multiple connecting steel plates are spaced apart along the extension direction of the drainage ditch steel mold. The second end of the fixing unit is detachably connected to the connecting steel plate.

3. The formwork device for integrated molding of concrete curb stones and drainage ditches according to claim 2, characterized in that: The thickness of the steel mold for the drainage ditch ranges from 2mm to 4mm.

4. The formwork device for integrated molding of concrete curb stones and drainage ditches according to claim 1, characterized in that: The fixing unit includes a fixing rod and a connecting assembly. The bottom surface of the fixing rod is attached to the road surface slope layer and is connected by bolts. One end of the fixing rod facing the drainage ditch unit is connected to the side of the connecting rod away from the drainage ditch unit. One end of the connecting assembly is connected to the top surface of the fixing rod, and the other end of the connecting assembly is detachably connected to the top of the drainage ditch unit.

5. The formwork device for integrated molding of concrete curb stones and drainage ditches according to claim 4, characterized in that: The connecting assembly includes a mounting rod and a screw. One end of the mounting rod is connected to the top surface of the fixing rod, and the other end of the mounting rod is connected to the outer peripheral wall of the screw. The bottom end of the screw is detachably connected to the top end of the water trench mold unit.

6. The formwork device for integrated molding of concrete curb stones and drainage ditches according to claim 5, characterized in that: The mounting rod is an L-shaped rod.

7. The formwork device for integrated molding of concrete curb stones and drainage ditches according to claim 4, characterized in that: The fixing rod is made of channel steel.

8. The formwork device for integrated molding of concrete curb stones and drainage ditches according to claim 1, characterized in that: The connecting rod is made of channel steel.

9. A construction method for a formwork device for integrated molding of concrete curb stones and drainage ditches as described in any one of claims 1 to 8, characterized in that: Includes the following steps: The ink lines for the coincidence positioning of the connecting rod, the ink lines for the positioning control of the connecting rod, the ink lines for the coincidence elevation control of the water ditch steel mold in the water ditch mold unit, the ink lines for the positioning elevation control of the water ditch steel mold, and the ink lines for the coincidence positioning of the fixing rod in the fixing unit are applied. Install the connecting rod flush with the ink line of the overlapping positioning line of the connecting rod; Install the fixing unit and align the fixing rod in the fixing unit with the coincident positioning line of the fixing rod. Based on the coincidence elevation control line and the positioning elevation control line of the ditch steel mold, the ditch mold unit is installed to the second end of the fixed unit. Concrete is poured between the road surface slope layer and the erosion control curb to form the road curb. After a preset time, the connecting rod and the fixing unit are removed.

10. The construction method according to claim 9, characterized in that: The step of installing the ditch mold unit to the second end of the fixing unit according to the coincident elevation control line and the positioning elevation control line of the ditch mold includes: The bottom end of the screw in the fixing unit is inserted into the connecting steel plate in the water trench mold unit. The upper and lower sides of the connecting steel plate are fixed by the upper fastening unit and the lower fastening unit respectively to clamp the connecting steel plate. The ditch mold unit is adjusted according to the overlapping elevation control line and the positioning elevation control line of the ditch mold. After adjustment, the upper fastening unit and the lower fastening unit are screwed on to fix the ditch mold unit.

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