Cast-in-place concrete slope protection plate construction technology

Abstract

The invention discloses a cast-in-place concrete slope protection plate construction process which comprises the following steps: surveying and setting out, and determining the total construction range of a cast-in-place concrete slope protection plate; the slope toe of the total construction range of the cast-in-place concrete slope protection plate extends downwards along the inclination angle of the slope surface to excavate a groove; the slope surface in the total construction range of the cast-in-place concrete slope protection plate is leveled and tamped; dividing the construction range of each cast-in-place concrete slope protection plate on the slope surface; erecting a template of a cast-in-place concrete slope protection plate on the slope surface; reinforcing meshes of the cast-in-place concrete slope protection plates which are bound in advance are fixed, and concrete is poured; the concrete surface is ironed, and formwork removal is conducted; a formwork of a post-poured cast-in-place concrete slope protection plate is erected beside the pre-poured cast-in-place concrete slope protection plate; fixing the reinforcing mesh, pouring concrete, ironing the surface of the concrete, and removing the mold. Concrete slurry can be prevented from permeating and overflowing along the bottom of the U-shaped structure formed by the cast-in-place concrete slope protection plate formwork as much as possible, waste of concrete is reduced, and meanwhile the surface of the concrete is conveniently ironed.

Description

Technical Field

[0001] The present invention relates to the technical field of slope protection construction, and more specifically, to a construction process of a cast-in-place concrete slope protection board. Background Art

[0002] Slope protection is an important form of dam protection engineering, and is also an important structure for protecting foundations and preventing soil erosion. At present, the measures used in construction include: prefabricated and assembled prefabricated panels on site, mortar-laid stone slope protection, and cast-in-place concrete slab slope protection. Among them, cast-in-place concrete slab slope protection has strong adaptability, easy procurement of raw materials, easy quality control, high work efficiency, short construction period, and low cost, so it is widely used.

[0003] When cast-in-place concrete slabs are used for slope protection, a slope protection plate template is needed. In the patent with application number 202321751761.1, a water conservancy cast-in-place concrete slope protection construction template is disclosed. By setting the design of support plate 1, support plate 2, base, baffle, cover plate, slider, slide rail, traction rope, traction motor and scraping and drawing plate, the construction template can use the motor to pull the cover plate to replace the staff to complete the scraping and drawing operation on the upper surface of the concrete, effectively reducing the labor of the staff and improving work efficiency. However, there is a gap between the lower side wall of the template and the slope surface. When pouring concrete into the template, the cast-in-place concrete is easy to overflow to the outside through the gap, affecting the slope protection construction effect and causing waste of concrete. In addition, when the above-mentioned cast-in-place concrete slope protection construction template is used for construction, due to the interval of support plate 1 or support plate 2, a gap of the width of support plate 1 or support plate 2 is left between the slope protection plate poured later and the slope protection plate poured earlier, and this gap needs to be filled again, and the construction continuity is poor. Summary of the invention

[0004] An object of the present invention is to solve at least the above problems and to provide at least the advantages which will be described hereinafter.

[0005] In order to achieve these purposes and other advantages according to the present invention, a cast-in-place concrete slope protection board construction process is provided, comprising:

[0006] Step 1: Measure and stake out to determine the total construction scope of the cast-in-place concrete slope protection slab;

[0007] Step 2: Dig a trench downward along the slope inclination angle at the foot of the total construction range of the cast-in-place concrete slope protection board;

[0008] Step 3: Level and compact the slope surface within the total construction range of the cast-in-place concrete slope protection board;

[0009] Step 4: Divide the construction scope of each cast-in-place concrete slope protection board on the slope surface according to the width of the cast-in-place concrete slope protection board template;

[0010] Step 5: Supporting a formwork of a cast-in-place concrete slope protection board on the slope surface, the formwork of the cast-in-place concrete slope protection board includes: a first support plate, a second support plate and a first baffle plate, a first cover plate is arranged between the first support plate and the second support plate, two ends of the first baffle plate are detachably connected to the lower ends of the first support plate and the second support plate, respectively, so as to be assembled into a U-shaped structure on the slope surface; the lower edges of the outer side walls of the first support plate, the second support plate and the first baffle plate are all bonded with rubber sheets, and the rubber sheets extend to the outside of the bottom surface of the component where they are located to stick to the slope surface, the first support plate, the second support plate and the first baffle plate The outer side walls of the plates are also provided with a clamping assembly, and the clamping assembly includes: an ear plate, which is connected to the outer side wall of the first support plate and / or the second support plate and / or the first baffle plate, the ear plate is parallel to the bottom surface of the first support plate and / or the second support plate and / or the first baffle plate, and a threaded hole is opened on the ear plate, and a bolt is passed through the threaded hole; a pressing plate, which is strip-shaped and is arranged below the ear plate along the length direction of the first support plate and / or the second support plate and / or the first baffle plate, and the lower end of the bolt is rotatably connected to the pressing plate to drive the pressing plate to press the rubber sheet;

[0011] Step 6: Flip the rubber sheet to the outside of the U-shaped structure and fit it on the slope, then rotate the bolt to make its lower end approach the slope, and the pressure plate gradually presses the rubber sheet under the drive of the bolt, so that the rubber sheet fits the slope under the action of the pressure plate;

[0012] Step 7: Fix the pre-tied steel mesh of the cast-in-place concrete slope protection plate on the inner side of the U-shaped structure, wherein the steel mesh is provided with anchor rods inserted into the slope, and then pour concrete on the inner side of the U-shaped structure;

[0013] Step 8: Shift the first cover plate from the lower end to the upper end of the U-shaped structure to smooth the concrete surface. When the concrete of the first cast-in-place concrete slope protection plate is initially set, remove the cast-in-place concrete slope protection plate template.

[0014] Step 9: supporting a formwork of a later cast-in-place concrete slope protection board beside the first cast-in-place concrete slope protection board, the formwork of the later cast-in-place concrete slope protection board comprising: the first support plate and the second baffle plate, the two ends of the second baffle plate being detachably connected to the first support plate and the lower end of the first cast-in-place concrete slope protection board, respectively, so as to be assembled into a U-shaped structure on the slope surface, and the second baffle plate is also provided with a rubber sheet and a pressing assembly;

[0015] Step 10, repeating steps 6 to 7, completing the concrete pouring of the post-cast in-situ concrete slope protection board, using a second cover plate to smooth the concrete surface in the template of the post-cast in-situ concrete slope protection board, and removing the template when the concrete of the post-cast in-situ concrete slope protection board is initially set;

[0016] Step 11, repeat steps 9 to 10 to complete the concrete pouring construction within the total construction range of the cast-in-place concrete slope protection board, then pour the bottom concrete in the groove at the slope foot of the total construction range of the cast-in-place concrete slope protection board, and at the same time maintain the cast-in-place concrete slope protection board that has been poured.

[0017] Preferably, the first support plate is hollow inside, a screw rod is rotatably connected inside the first support plate along the length direction, the upper end of the screw rod passes through the upper end of the first support plate and is connected to a hand wheel, a nut is threadedly connected to the part of the screw rod inside the first support plate, the first support rod is connected to the nut, a first strip hole is opened on the top surface of the first support plate along the length direction, and the first support rod passes through the first strip hole and extends to the outside of the first support plate;

[0018] The second support plate is hollow inside, a polished rod is connected inside the second support plate along the length direction, a slider is slidably sleeved on the polished rod, a second support rod is connected to the slider, a second strip hole is opened on the top surface of the second support plate along the length direction, and the second support rod passes through the second strip hole and extends to the outside of the second support plate;

[0019] The first cover plate has two ends respectively provided with a first plugging hole corresponding to the first support rod and a second plugging hole corresponding to the second support rod.

[0020] Preferably, the template of the cast-in-place concrete slope protection board cast later in step nine further includes: an upper end plate in a ┘ shape, the upper end plate is arranged between the first support plate and the upper end of the cast-in-place concrete slope protection board cast earlier, and a bayonet is arranged at one end of the horizontal plate surface of the upper end plate, and the bayonet width is adapted to the diameter of the screw rod so that the screw rod is clamped in the bayonet;

[0021] Wherein, a first embedded screw is welded to the upper end of the steel mesh, the first embedded screw extends from the upper end of the cast-in-place concrete slope protection plate, and a first through hole matching the first embedded screw is provided at the other end of the transverse plate surface of the upper end plate, and the first embedded screw passes through the first through hole and is connected with a nut so that the upper end plate is detachably connected to the upper end of the cast-in-place concrete slope protection plate cast first;

[0022] The upper end of the vertical plate surface of the upper end plate is higher than the top surface of the cast-in-place concrete slope protection plate, the plate surface shape of the second baffle plate is the same as that of the upper end plate, and the vertical plate surface of the upper end plate and the vertical plate surface of the second baffle plate are connected with a guide rod;

[0023] One end of the second cover plate is provided with a third plugging hole corresponding to the first support rod in a direction perpendicular to the plate surface, and the other end of the second cover plate is provided with a guide hole corresponding to the guide rod in a direction parallel to the plate surface.

[0024] Preferably, a second embedded screw is welded to the lower end of the steel mesh, the second embedded screw extends from the lower end of the cast-in-place concrete slope protection plate, the plate surface of the second baffle is provided with a second through hole matching the second embedded screw, and the second embedded screw is connected with a nut after passing through the second through hole so that one end of the second baffle is detachably connected to the lower end of the cast-in-place concrete slope protection plate poured first.

[0025] Preferably, the bottom surfaces of the first support plate and / or the second support plate and / or the first baffle plate and / or the second baffle plate are provided with fixing rods, and the fixing rods are used to be inserted into the slope to fix the first support plate and / or the second support plate and / or the first baffle plate and / or the second baffle plate.

[0026] Preferably, a bearing is provided on the top surface of the pressure plate, and the lower end of the bolt is fixed to the center of the bearing to be rotatably connected to the pressure plate.

[0027] Preferably, the lower surface of the first cover plate is provided with a first ironing plate whose width matches the spacing between the first support plate and the second support plate, and the lower surface of the second cover plate is provided with a second ironing plate whose width matches the spacing between the sides of the cast-in-place concrete slope protection plate cast earlier.

[0028] Preferably, the top surfaces of the first support plate and the second support plate are coated with a wear-resistant and drag-reducing coating.

[0029] Preferably, a drainage pipe is tied to the steel mesh, and when the cast-in-place concrete slope protection board is solidified, the drainage pipe outlet is flush with the top surface of the cast-in-place concrete slope protection board.

[0030] The present invention includes at least the following beneficial effects: The present invention uses a rubber sheet and a pressing assembly in combination, so that the rubber sheet is tightly attached to the slope surface. Therefore, when pouring concrete in the cast-in-place concrete slope protection board template, the concrete slurry can be prevented from seeping out along the bottom of the U-shaped structure formed by the cast-in-place concrete slope protection board template as much as possible, thereby reducing the waste of concrete. At the same time, the first support plate, the second baffle plate, and the second cover plate in the above-mentioned cast-in-place concrete slope protection board template can be reused, thereby reducing the template manufacturing cost. In addition, the present invention adds a second baffle plate, an upper end plate, a guide rod, and a second cover plate, so that the cast-in-place concrete slope protection board poured later can also be fully ironed by the second cover plate.

[0031] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of a cast-in-place concrete slope protection board template pre-cast on a slope surface according to an embodiment of the present invention;

[0033] Figure 2It is a structural schematic diagram of a post-cast cast-in-place concrete slope protection board template supported on a slope surface according to an embodiment of the present invention;

[0034] Figure 3 This is a schematic structural diagram of the rubber sheet and the pressing assembly on the first support plate according to an embodiment of the present invention;

[0035] Figure 4 This is a schematic diagram of the structure inside the first support plate according to an embodiment of the present invention;

[0036] Figure 5 This is a schematic structural diagram of the first cover plate according to an embodiment of the present invention;

[0037] Figure 6 This is a schematic structural diagram of the upper end plate according to an embodiment of the present invention;

[0038] Figure 7 This is a schematic diagram of the structure of the second cover plate according to an embodiment of the present invention;

[0039] Figure 8 It is a schematic diagram of the structure of the drainage pipe in the cast-in-place concrete slope protection board according to an embodiment of the present invention. DETAILED DESCRIPTION

[0040] The present invention is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0041] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] like Figures 1 to 3 As shown, the present invention provides a cast-in-place concrete slope protection board construction process, comprising:

[0043] Step 1: Measure and stake out to determine the total construction scope of the cast-in-place concrete slope protection slab;

[0044] Step 2: excavate a groove 24 extending downward along the slope inclination angle at the foot of the total construction range of the cast-in-place concrete slope protection board. The inner wall of one side of the groove 24 extends along the slope surface, which can provide space for the following cast-in-place concrete slope protection board template support. At the same time, the bottom sealing concrete can also be poured in the groove 24 as a foot stop for the cast-in-place concrete slope protection board to prevent the cast-in-place concrete slope protection board from sliding down the slope surface;

[0045] Step 3: Level and compact the slope surface within the total construction range of the cast-in-place concrete slope protection board;

[0046] Step 4: Divide the construction scope of each cast-in-place concrete slope protection board on the slope surface according to the width of the cast-in-place concrete slope protection board template;

[0047] Step 5: Support the formwork of cast-in-place concrete slope protection board on the slope surface (such as Figure 1 As shown in the figure, the formwork of the cast-in-place concrete slope protection plate comprises: a first support plate 1, a second support plate 2 and a first baffle plate 3, a first cover plate 4 is arranged between the first support plate 1 and the second support plate 2, and the two ends of the first baffle plate 3 are detachably connected to the lower ends of the first support plate 1 and the second support plate 2, respectively, so as to be assembled into a U-shaped structure on the slope surface; the lower edges of the outer side walls of the first support plate 1, the second support plate 2 and the first baffle plate 3 are all bonded with a rubber sheet 5, and the rubber sheet 5 extends to the outside of the bottom surface of the component where it is located to stick to the slope surface, and the outer side walls of the first support plate 1, the second support plate 2 and the first baffle plate 3 are also provided with A clamping assembly, the clamping assembly comprising: an ear plate 6 connected to the outer side wall of the first support plate 1 and / or the second support plate 2 and / or the first baffle plate 3, the ear plate 6 being parallel to the bottom surface of the first support plate 1 and / or the second support plate 2 and / or the first baffle plate 3, a threaded hole being provided on the ear plate 6, a bolt 7 being passed through the threaded hole; a pressing plate 8 being strip-shaped and arranged below the ear plate 6 along the length direction of the first support plate 1 and / or the second support plate 2 and / or the first baffle plate 3, the lower end of the bolt 7 being rotatably connected to the pressing plate 8 to drive the pressing plate 8 to press against the rubber sheet 5;

[0048] Step 6: Flip the rubber sheet 5 to the outside of the U-shaped structure and fit it on the slope, then rotate the bolt 7 to make its lower end approach the slope, and the pressing plate 8 gradually presses the rubber sheet 5 under the drive of the bolt 7, so that the rubber sheet 5 fits the slope under the action of the pressing plate 8;

[0049] Step 7: Fix the pre-tied steel mesh of the cast-in-place concrete slope protection plate on the inner side of the U-shaped structure, wherein the steel mesh is provided with anchor rods inserted into the slope, and then pour concrete on the inner side of the U-shaped structure;

[0050] Step 8: Move the first cover plate 4 from the lower end to the upper end of the U-shaped structure to smooth the concrete surface. When the concrete of the first cast-in-place concrete slope protection board is initially set, remove the cast-in-place concrete slope protection board template;

[0051] Step 9: Support the formwork of the cast-in-place concrete slope protection board (such as Figure 2 As shown in the figure, the template of the post-cast in-situ concrete slope protection plate comprises: the first support plate 1, the second baffle plate 18, the two ends of the second baffle plate 18 are detachably connected to the first support plate 1 and the lower end of the pre-cast in-situ concrete slope protection plate, so as to be assembled into a U-shaped structure on the slope surface, and the second baffle plate 18 is also provided with a rubber sheet 5 and a pressing assembly;

[0052] Step 10, repeating steps 6 to 7, completing the concrete pouring of the cast-in-place concrete slope protection board, using a second cover plate 19 to smooth the concrete surface in the template of the cast-in-place concrete slope protection board, and removing the template after the concrete of the cast-in-place concrete slope protection board is initially set;

[0053] Step 11, repeat steps 9 to 10 to complete the concrete pouring construction within the total construction range of the cast-in-place concrete slope protection board, then pour the bottom concrete in the groove 24 at the slope foot of the total construction range of the cast-in-place concrete slope protection board, and at the same time maintain the cast-in-place concrete slope protection board.

[0054] Here, the side walls of the first support plate 1, the second support plate 2 and the first baffle plate 3 that are used to contact the concrete are called inner side walls, the outer side walls of the first support plate 1, the second support plate 2 and the first baffle plate 3 refer to the side walls on the first support plate 1, the second support plate 2 and the first baffle plate 3 that are opposite to their respective inner side walls, and the bottom surfaces of the first support plate 1, the second support plate 2 and the first baffle plate 3 refer to the surfaces that are in contact with the slope surface when the first support plate 1, the second support plate 2 and the first baffle plate 3 are assembled into a U-shaped structure on the slope surface. The upper end of the cast-in-place concrete slope protection board refers to the upper end surface of the cast-in-place concrete slope protection board that is perpendicular to the slope surface, the lower end of the cast-in-place concrete slope protection board refers to the lower end surface of the cast-in-place concrete slope protection board that is perpendicular to the slope surface, the bottom surface of the cast-in-place concrete slope protection board refers to the lower plate surface of the cast-in-place concrete slope protection board that is in contact with the slope surface, and the top surface of the cast-in-place concrete slope protection board refers to the upper plate surface that is parallel to its lower plate surface.

[0055] Here, the lower ends of the first support plate 1 and the second support plate 2 refer to the ends of the first support plate 1 and the second support plate 2 respectively connected to the first baffle plate 3 when the first support plate 1, the second support plate 2 and the first baffle plate 3 are assembled into a U-shaped structure on the slope;

[0056] Here, screws may be provided at the lower ends of the first support plate 1 and the second support plate 2, and both ends of the first baffle plate 3 may be provided at the through holes corresponding to the screws. The two ends of the first baffle plate 3 are respectively passed through the screws at the lower ends of the first support plate 1 and the second support plate 2, and then tightened with nuts, so that the baffle plate can be detachably connected to the lower ends of the first support plate 1 and the second support plate 2;

[0057] Here, the connection method between the first cover plate 4 and the first support plate 1 and the second support plate 2 can be the connection method in the prior art, or the connection method described in the following embodiments. The first cover plate 4 is mainly used to smooth the concrete poured in the U-shaped structure.

[0058] During the above construction process, the rubber sheet 5 and the pressing assembly are used together to make the rubber sheet 5 closely adhere to the slope surface. Therefore, when pouring concrete in the cast-in-place concrete slope protection board template, the concrete slurry can be prevented from seeping along the bottom of the U-shaped structure formed by the cast-in-place concrete slope protection board template as much as possible, thereby reducing the waste of concrete. At the same time, the first support plate 1, the second baffle plate 18, and the second cover plate 19 in the cast-in-place concrete slope protection board template can be reused, thereby reducing the template manufacturing cost.

[0059] In the prior art, the first cover plate 4 is driven by a motor through a pull rope, but it is not convenient to set up a power supply on the slope protection construction site. The present application also provides a structure that can manually drive the first cover plate 4 to move horizontally.

[0060] like Figures 4-5 As shown, in another embodiment, the first support plate 1 is hollow inside, and a screw rod 11 is rotatably connected in the first support plate 1 along the length direction. Here, a second bearing 12 can be arranged on the inner wall of the lower end of the first support plate 1, and the lower end of the screw rod 11 can be fixed at the center of the second bearing 12. The upper end of the screw rod 11 passes through the upper end of the first support plate 1 and is connected to a hand wheel 16. Here, a circular hole for passing the screw rod 11 is opened at the upper end of the first support plate 1, and a third bearing 13 is arranged in the circular hole. The screw rod 11 passes through the center of the third bearing 13 and the third bearing 13 is fixedly connected. A nut 14 is threadedly connected to the part of the screw rod 11 inside the first support plate 1, and a first support rod 15 is connected to the nut 14. A first strip hole is opened on the top surface of the first support plate 1 along the length direction, and the first support rod 15 passes through the first strip hole and extends to the outside of the first support plate 1;

[0061] The second support plate 2 is hollow inside, a polished rod is connected inside the second support plate 2 along the length direction, a slider is slidably sleeved on the polished rod, a second support rod is connected to the slider, a second strip hole is opened on the top surface of the second support plate 2 along the length direction, and the second support rod passes through the second strip hole and extends to the outside of the second support plate 2;

[0062] The first cover plate 4 is provided with a first plugging hole corresponding to the first support rod 15 and a second plugging hole corresponding to the second support rod at both ends thereof.

[0063] When the above embodiment is used, the construction personnel only need to rotate the hand wheel 16 to drive the screw rod 11 to rotate. Due to the limitation of the first support rod 15, the nut 14 and the first support rod 15 can move along the first strip hole, thereby driving the first cover plate 4 to move above the first support plate 1. The first cover plate 4 then drives the second support rod and the slider to move. Due to the limitation of the second support rod, the first cover plate 4 can be horizontally arranged between the first support plate 1 and the second support plate 2, so that the lower surface of the first cover plate 4 can smooth the concrete poured in the U-shaped structure. At the same time, since the first cover plate 4 and the first support rod 15 and the second support rod are plug-in, the first cover plate 4 can be easily disassembled from the first support rod 15 and the second support rod for replacement and maintenance.

[0064] like Figure 2 , 6 As shown, in another embodiment, the template of the cast-in-place concrete slope protection board cast later in step nine further includes: an upper end plate 20, which is in a ┘ shape, and the upper end plate 20 is arranged between the first support plate 1 and the upper end of the cast-in-place concrete slope protection board cast earlier, and a bayonet 21 is arranged at one end of the horizontal plate surface of the upper end plate 20, and the width of the bayonet 21 is adapted to the diameter of the screw rod 11, so that the screw rod 11 is clamped in the bayonet 21;

[0065] A first embedded screw is welded to the upper end of the steel mesh, and the first embedded screw extends from the upper end of the cast-in-place concrete slope protection plate. A first through hole 22 matching the first embedded screw is provided at the other end of the transverse plate surface of the upper end plate 20. The first embedded screw passes through the first through hole 22 and is connected with a nut so that the upper end plate 20 is detachably connected to the upper end of the cast-in-place concrete slope protection plate cast first.

[0066] The upper end of the vertical plate surface of the upper end plate 20 is higher than the top surface of the cast-in-place concrete slope protection plate, the plate surface shape of the second baffle plate 18 is the same as that of the upper end plate 20, and the vertical plate surface of the upper end plate 20 and the vertical plate surface of the second baffle plate 18 are connected by a guide rod 23;

[0067] One end of the second cover plate 19 is provided with a third plugging hole corresponding to the first support rod 15 in a direction perpendicular to the plate surface, and the other end of the second cover plate 19 is provided with a guide hole corresponding to the guide rod 23 in a direction parallel to the plate surface.

[0068] The process of supporting the formwork of the cast-in-place concrete slope protection board cast later is as follows: the first support plate 1 is placed on the slope surface next to the cast-in-place concrete slope protection board cast earlier in a manner parallel to one side of the cast-in-place concrete slope protection board cast earlier, and then the second baffle plate 18 is placed on the first support plate 1 and the lower end of the cast-in-place concrete slope protection board cast earlier, and the two ends of the second baffle plate 18 are respectively connected to the first support plate 1 and the lower end of the cast-in-place concrete slope protection board cast earlier to form a U-shaped structure. Then the lower end of the guide rod 23 is connected to the second baffle plate 18, and a blind hole for inserting and plugging the guide rod 23 can be provided on the second baffle plate 18, and the lower end of the guide rod 23 is inserted into the blind hole, so that the second baffle plate 18 supports one end of the guide rod 23. Then align the guide hole of the second cover plate 19 with the guide rod 23, pass the guide rod 23 through the guide hole, slide the second cover plate 19 to align the third plug hole with the first support rod 15, and then pass the first support rod 15 through the third plug hole, thus completing the installation of the second cover plate 19. Finally, clamp the bayonet 21 at one end of the upper end plate 20 on the periphery of the screw rod 11, connect the other end of the upper end plate 20 to the upper end of the cast-in-place concrete slope protection plate, and connect the upper end of the guide rod 23 to the upper end plate 20, thereby completing the fixing of the upper end of the upper end plate 20. Here, the upper end plate 20 may also be provided with a blind hole for inserting the guide rod 23.

[0069] After the formwork support of the above-mentioned cast-in-place concrete slope protection board is completed, concrete can be poured within the range of the formwork. After the concrete pouring is completed, the construction personnel only need to turn the hand wheel 16 to drive the screw rod 11 to rotate. Due to the limitation of the first support rod 15, the nut 14 on the screw rod 11 and the first support rod 15 can move along the first strip hole, thereby driving the second cover plate 19 to move above the first support plate 1. Secondly, due to the limitation of the guide rod 23, the second cover plate 19 can be horizontally arranged between the first support plate 1 and the side wall of the cast-in-place concrete slope protection board poured first, so that the lower surface of the second cover plate 19 can iron the concrete poured within the range of the formwork.

[0070] In another embodiment, a second embedded screw is welded to the lower end of the steel mesh, and the second embedded screw extends from the lower end of the cast-in-place concrete slope protection board. The board surface of the second baffle plate 18 is provided with a second through hole matching the second embedded screw. The second embedded screw passes through the second through hole and is connected with a nut so that one end of the second baffle plate 18 can be detachably connected to the lower end of the first cast-in-place concrete slope protection board. This embodiment provides a specific implementation method for detachably connecting the second baffle plate 18 to the lower end of the first cast-in-place concrete slope protection board. It is not difficult to see from the above implementation method that the second baffle plate 18 is relatively simple to disassemble and assemble, and is convenient for construction. The connection method of the second baffle plate 18 and the first support plate 1 can refer to the connection method of the first baffle plate 3 and the first support plate 1 mentioned above.

[0071] like Figure 3As shown, in another embodiment, a fixing rod 10 is provided on the bottom surface of the first support plate 1 and / or the second support plate 2 and / or the first baffle plate 3 and / or the second baffle plate 18, and the fixing rod 10 is used to be inserted into the slope to fix the first support plate 1 and / or the second support plate 2 and / or the first baffle plate 3 and / or the second baffle plate 18.

[0072] Specifically, barbs may be provided on the surface of the fixing rod 10 so that the fixing rod 10 can be more firmly connected to the slope after being inserted into the slope.

[0073] In the above embodiment, a fixing rod 10 is arranged on the bottom surface of the first support plate 1 and / or the second support plate 2 and / or the first baffle plate 3 and / or the second baffle plate 18. After the fixing rod 10 is inserted into the slope, the connection between the first support plate 1 and / or the second support plate 2 and / or the first baffle plate 3 and / or the second baffle plate 18 and the slope can be made more firmly, and a reaction force can be better provided for the bolt 7, so that the pressure plate 8 can press the rubber sheet 5 more forcefully.

[0074] like Figure 3 As shown, in another embodiment, a first bearing 9 is provided on the top surface of the pressure plate 8, and the lower end of the bolt 7 is fixed to the center of the first bearing 9 to be rotatably connected to the pressure plate 8. The pressure plate 8 and the bolt 7 are connected by the first bearing 9, so that when the bolt 7 rotates, it will not drive the pressure plate 8 to rotate, but will only lift or lower the pressure plate 8.

[0075] In another embodiment, a first ironing plate 17 with a width adapted to the spacing between the first support plate 1 and the second support plate 2 is disposed on the lower surface of the first cover plate 4, and a second ironing plate 25 with a width adapted to the spacing between the sides of the cast-in-place concrete slope protection plate is disposed on the lower surface of the second cover plate 19.

[0076] During the construction process, when there is a requirement for thinner concrete thickness, the first ironing plate 17 provided in the above embodiment protrudes between the first support plate 1 and the second support plate 2, and the second ironing plate 25 protrudes between the first support plate 1 and the first cast-in-place concrete slope protection plate, so that excess concrete on the surface can be scraped off to achieve the thinning requirement.

[0077] like Figure 5 , 7 As shown, in another embodiment, the top surfaces of the first support plate 1 and the second support plate 2 are coated with a wear-resistant and drag-reducing coating. Since the first cover plate 4 and the first support rod 15 and the second support rod are all plugged in, part of the surface of the first cover plate 4 is still in contact with the top surfaces of the first support plate 1 and the second support plate 2. The first cover plate 4 will rub against the first support plate 1 and the second support plate 2 during the movement process. The wear-resistant and drag-reducing coating is provided here to reduce friction, facilitate the movement of the first cover plate 4, and reduce the wear of the first cover plate 4, the first support rod 15 and the second support rod.

[0078] In another embodiment, if Figure 8 As shown, a drainage pipe 26 is tied to the steel mesh. When the cast-in-place concrete slope protection board is solidified, the outlet of the drainage pipe 26 is flush with the top surface of the cast-in-place concrete slope protection board. Specifically, when the steel mesh is fixed along the slope, the drainage pipe 26 is in a horizontal state or slightly inclined downward. The outlet end of the drainage pipe 26 is cut into an oblique opening flush with the top surface of the cast-in-place concrete slope protection board. The accumulated water in the slope can be discharged through the pre-buried drainage pipe to avoid high water content in the slope and cause slope instability.

[0079] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A cast-in-place concrete slope protection board construction process, characterized in that: include: Step 1: Measure and stake out to determine the total construction scope of the cast-in-place concrete slope protection slab; Step 2: Dig a trench downward along the slope inclination angle at the foot of the total construction range of the cast-in-place concrete slope protection board; Step 3: Level and compact the slope surface within the total construction range of the cast-in-place concrete slope protection board; Step 4: Divide the construction scope of each cast-in-place concrete slope protection board on the slope surface according to the width of the cast-in-place concrete slope protection board template; Step 5: Supporting a formwork of a cast-in-place concrete slope protection board on the slope surface, the formwork of the cast-in-place concrete slope protection board includes: a first support plate, a second support plate and a first baffle plate, a first cover plate is arranged between the first support plate and the second support plate, two ends of the first baffle plate are detachably connected to the lower ends of the first support plate and the second support plate, respectively, so as to be assembled into a U-shaped structure on the slope surface; the lower edges of the outer side walls of the first support plate, the second support plate and the first baffle plate are all bonded with rubber sheets, and the rubber sheets extend to the outside of the bottom surface of the component where they are located to stick to the slope surface, the first support plate, the second support plate and the first baffle plate The outer side walls of the plates are also provided with a clamping assembly, and the clamping assembly includes: an ear plate, which is connected to the outer side wall of the first support plate and / or the second support plate and / or the first baffle plate, the ear plate is parallel to the bottom surface of the first support plate and / or the second support plate and / or the first baffle plate, and a threaded hole is opened on the ear plate, and a bolt is passed through the threaded hole; a pressing plate, which is strip-shaped and is arranged below the ear plate along the length direction of the first support plate and / or the second support plate and / or the first baffle plate, and the lower end of the bolt is rotatably connected to the pressing plate to drive the pressing plate to press the rubber sheet; Step 6: Flip the rubber sheet to the outside of the U-shaped structure and fit it on the slope, then rotate the bolt to make its lower end approach the slope, and the pressure plate gradually presses the rubber sheet under the drive of the bolt, so that the rubber sheet fits the slope under the action of the pressure plate; Step 7: Fix the pre-tied steel mesh of the cast-in-place concrete slope protection plate on the inner side of the U-shaped structure, wherein the steel mesh is provided with anchor rods inserted into the slope, and then pour concrete on the inner side of the U-shaped structure; Step 8: Shift the first cover plate from the lower end to the upper end of the U-shaped structure to smooth the concrete surface. When the concrete of the first cast-in-place concrete slope protection plate is initially set, remove the cast-in-place concrete slope protection plate template. Step 9: supporting a formwork of a later cast-in-place concrete slope protection board beside the first cast-in-place concrete slope protection board, the formwork of the later cast-in-place concrete slope protection board comprising: the first support plate and the second baffle plate, the two ends of the second baffle plate being detachably connected to the first support plate and the lower end of the first cast-in-place concrete slope protection board, respectively, so as to be assembled into a U-shaped structure on the slope surface, and the second baffle plate is also provided with a rubber sheet and a pressing assembly; Step 10, repeating steps 6 to 7, completing the concrete pouring of the post-cast in-situ concrete slope protection board, using a second cover plate to smooth the concrete surface in the template of the post-cast in-situ concrete slope protection board, and removing the template when the concrete of the post-cast in-situ concrete slope protection board is initially set; Step 11, repeat steps 9 to 10 to complete the concrete pouring construction within the total construction range of the cast-in-place concrete slope protection board, then pour the bottom concrete in the groove at the slope foot of the total construction range of the cast-in-place concrete slope protection board, and at the same time maintain the cast-in-place concrete slope protection board that has been poured.

2. The cast-in-place concrete slope protection board construction process according to claim 1, characterized in that: The first support plate is hollow inside, a screw rod is rotatably connected inside the first support plate along the length direction, the upper end of the screw rod passes through the upper end of the first support plate and is connected to a hand wheel, a nut is threadedly connected to the part of the screw rod inside the first support plate, the nut is connected to the first support rod, a first strip hole is opened on the top surface of the first support plate along the length direction, and the first support rod passes through the first strip hole and extends to the outside of the first support plate; The second support plate is hollow inside, a polished rod is connected inside the second support plate along the length direction, a slider is slidably sleeved on the polished rod, a second support rod is connected to the slider, a second strip hole is opened on the top surface of the second support plate along the length direction, and the second support rod passes through the second strip hole and extends to the outside of the second support plate; The first cover plate has two ends respectively provided with a first plugging hole corresponding to the first support rod and a second plugging hole corresponding to the second support rod.

3. The cast-in-place concrete slope protection board construction process as claimed in claim 2, characterized in that: The template of the cast-in-place concrete slope protection plate cast later in step nine also includes: an upper end plate in a ┘ shape, the upper end plate is arranged between the first support plate and the upper end of the cast-in-place concrete slope protection plate cast earlier, and a bayonet is arranged at one end of the horizontal plate surface of the upper end plate, and the bayonet width is adapted to the diameter of the screw rod so that the screw rod is clamped in the bayonet; Wherein, a first embedded screw is welded to the upper end of the steel mesh, the first embedded screw extends from the upper end of the cast-in-place concrete slope protection plate, and a first through hole matching the first embedded screw is provided at the other end of the transverse plate surface of the upper end plate, and the first embedded screw passes through the first through hole and is connected with a nut so that the upper end plate is detachably connected to the upper end of the cast-in-place concrete slope protection plate cast first; The upper end of the vertical plate surface of the upper end plate is higher than the top surface of the cast-in-place concrete slope protection plate, the plate surface shape of the second baffle plate is the same as that of the upper end plate, and the vertical plate surface of the upper end plate and the vertical plate surface of the second baffle plate are connected with a guide rod; One end of the second cover plate is provided with a third plugging hole corresponding to the first support rod in a direction perpendicular to the plate surface, and the other end of the second cover plate is provided with a guide hole corresponding to the guide rod in a direction parallel to the plate surface.

4. The cast-in-place concrete slope protection board construction process according to claim 1, characterized in that: A second embedded screw is welded to the lower end of the steel mesh, and the second embedded screw extends from the lower end of the cast-in-place concrete slope protection plate. The plate surface of the second baffle is provided with a second through hole matching the second embedded screw. The second embedded screw passes through the second through hole and is connected with a nut so that one end of the second baffle is detachably connected to the lower end of the cast-in-place concrete slope protection plate that is cast first.

5. The cast-in-place concrete slope protection board construction process according to claim 1, characterized in that: The bottom surfaces of the first support plate and / or the second support plate and / or the first baffle plate and / or the second baffle plate are provided with fixing rods, and the fixing rods are used to be inserted into the slope to fix the first support plate and / or the second support plate and / or the first baffle plate and / or the second baffle plate.

6. The cast-in-place concrete slope protection board construction process according to claim 1, characterized in that: A bearing is arranged on the top surface of the pressing plate, and the lower end of the bolt is fixed to the center of the bearing to be rotatably connected with the pressing plate.

7. The cast-in-place concrete slope protection board construction process according to claim 1, characterized in that: A first ironing plate whose width matches the spacing between the first support plate and the second support plate is disposed on the lower surface of the first cover plate, and a second ironing plate whose width matches the spacing between the sides of the cast-in-place concrete slope protection plate that is cast first is disposed on the lower surface of the second cover plate.

8. The cast-in-place concrete slope protection board construction process according to claim 2, characterized in that: The top surfaces of the first support plate and the second support plate are coated with wear-resistant and drag-reducing coatings.

9. The cast-in-place concrete slope protection board construction process according to claim 1, characterized in that: A drainage pipe is tied to the steel mesh, and when the cast-in-place concrete slope protection board is solidified, the outlet of the drainage pipe is flush with the top surface of the cast-in-place concrete slope protection board.

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