High-precision ground construction control device and method

Abstract

The invention relates to a high-precision ground construction control device and method and relates to the technical field of ground construction, a plurality of elevation rods are vertically and fixedly connected to structural supporting steel bars, and positioning pieces are slidably connected to the elevation rods and used for elevation identification; the threaded rods are welded to the multiple horse stool ribs to be matched with the fixing nuts, the adjusting nuts and the positioning pieces so that elevation positioning of bottom plate pouring can be conducted, and bottom plate concrete pouring is completed; the position of a construction joint is determined, a positioning steel bar is erected on a floor formwork, then a plurality of threaded rods are welded to the positioning steel bar at equal intervals, elevation positioning of bottom plate pouring is carried out in cooperation with a fixing nut, an adjusting nut and a positioning piece, floor concrete pouring is completed, and the flatness problem of the building floor at the position of the construction joint can be effectively solved. And the requirement of the integrated floor on the flatness is met.

Description

Technical Field

[0001] The present application relates to the field of ground construction technology, and in particular to a high-precision ground construction control device and method. Background Art

[0002] Cross-border and cross-regional trade is becoming more and more frequent, and the total trade volume is also increasing. A large number of storage buildings are needed to store imported and exported goods. The ground is generally formed in one step with concrete, which has a high requirement for ground flatness. Before pouring, structural support steel bars will be set up at the location where concrete needs to be poured, and then the concrete will be poured. When pouring concrete, formwork or square bars are usually used to cut off and intercept the construction joints. During the concrete pouring process, due to the unevenness of the material itself and the difficulty in controlling the flatness of the concrete surface at the construction joint when finishing the concrete at the construction joint, the formed ground after demolding is often wavy, which is difficult to meet the ground elevation and flatness requirements of the storage building. Summary of the invention

[0003] In order to solve the above problems, the present application provides a high-precision ground construction control device and method.

[0004] In the first aspect, the present application provides a high-precision ground construction control device, which adopts the following technical solution: A high-precision ground construction control device includes a plurality of elevation rods, which are characterized in that: a plurality of the elevation rods are vertically fixedly connected to structural support steel bars, and a plurality of the elevation rods are slidably connected with positioning pieces for elevation identification.

[0005] By adopting the above technical solution, several elevation rods are fixed to the upper end surface of the concrete to be poured, and then the positioning plate is slid and fixed to the elevation rod. When pouring concrete, the concrete is poured to the height of the positioning plate. The structure is simple and positioning is convenient.

[0006] Optionally, several of the elevation rods are threaded rods, and several of the elevation rods are threadedly connected with adjusting nuts and fixing nuts, the positioning piece is located between the adjusting nut and the positioning nut, the adjusting nut is located below the positioning piece, and the fixing nut is located above the positioning piece.

[0007] By adopting the above technical solution, adjusting nuts are screwed into a plurality of threaded rods, and then the positioning pieces are passed through the plurality of threaded rods, and the positioning pieces are placed on the adjusting nuts. By rotating the adjusting nuts, the positioning pieces are adjusted to a preset concrete pouring height, and then the positioning pieces are clamped by using fixing nuts. The structure is simple and elevation positioning is convenient.

[0008] In the second aspect, the present application provides a high-precision ground construction control method, which adopts the following technical solution: A high-precision ground construction control method comprises the following steps: S1: Elevate the pouring height of the bottom slab concrete; S2: pouring concrete on the bottom plate to a preset height; S3: erecting floor slab formwork on the bottom slab concrete surface; S4: Elevate the pouring height of the floor slab concrete; S5: Install steel bars on the floor slab formwork, and then pour the floor slab concrete to a preset height to complete the pouring; S6: Surface treatment of floor slab concrete.

[0009] Optionally, the specific construction steps of step S1 include: S101: Pre-embed multiple positioning stirrup bars at equal intervals on the bottom plate cushion layer; S102: Threaded rods are welded on one side of a plurality of positioning stirrup bars in the height direction; S103: Screw the adjusting nut onto the threaded rod, then put the positioning piece onto the threaded rod, and then screw the fixing nut onto the top of the positioning piece; S104: The height of the positioning piece is adjusted by rotating the adjusting nut, and after adjustment, the fixing nut is rotated to clamp the positioning piece between the fixing nut and the adjusting nut; S105: Wrap the fixing nut, the adjusting nut and the positioning plate at the upper end of the threaded rod with a plastic film.

[0010] Optionally, after step S2, the following steps are further included: S201: Remove the fixing nut, the positioning plate and the adjusting nut in sequence, and cut off the protruding threaded rod after the concrete solidifies.

[0011] Optionally, the specific construction steps of step S4 include: S401: Determine the location of the floor slab construction joint, and fix the positioning steel bars horizontally on the floor slab formwork according to the location of the construction joint; S402: welding a number of threaded rods at equal intervals to the positioning steel bars; S403: Screw the adjusting nuts onto the plurality of threaded rods, then put the positioning pieces onto the plurality of threaded rods, and then screw the plurality of fixing nuts onto the positioning pieces.

[0012] Optionally, after step S402, the method further includes: erecting a plurality of diagonal braces at equal intervals on the floor slab formwork, the plurality of diagonal braces corresponding to the threaded rods one by one, and welding the upper ends of the diagonal braces to the corresponding threaded rods.

[0013] Optionally, the specific construction steps of step S6 include: S601: Maintain the floor slab concrete; S602: Base grinding, grinding the floor during the maintenance period of the floor slab concrete wear-resistant floor; S603: Construction sealant and curing agent; S604: Fine grinding and polishing.

[0014] Optionally, after step S601, the method further includes laying a geotextile and waste formwork on the upper end of the floor slab concrete.

[0015] Optionally, the specific construction steps of step S602 include: using a diamond grinding wheel to cross-grind the concrete surface of the floor slab, using a resin grinding wheel to remove the lines left by the diamond grinding wheel, and cleaning the concrete surface of the floor slab.

[0016] In summary, the present application includes at least one of the following beneficial technical effects: 1. Through welding threaded rods on several horse stool bars, with fixing nuts, adjusting nuts and positioning pieces, the elevation of the bottom plate casting is positioned, and after the bottom plate concrete casting is completed; determine the position of the construction joint, set the positioning steel bars on the floor template, and then weld several threaded rods at equal intervals on the positioning steel bars, with fixing nuts, adjusting nuts and positioning pieces to position the elevation of the bottom plate casting, and complete the casting of the floor concrete, which can effectively solve the problem of floor flatness at the construction joint position and meet the requirements of flatness of the integrated floor surface; 2. Laying geotextiles and waste formwork on the finished surface of the structure can protect the floor concrete and avoid damage to the integrated floor, which is extremely difficult to repair later; 3. The fixing nut, adjusting nut and positioning piece can be reused, thereby achieving the effect of cost saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the connection between the high-standard pole and the stirrup bar in a high-precision ground construction control device.

[0018] Figure 2 It is a schematic diagram of the connection between the elevation pole and the positioning steel bars in a high-precision ground construction control device.

[0019] Figure 3 It is a flow chart of a high-precision ground construction control method.

[0020] Figure 4 It is a flow chart of steps S101 to S105 in a high-precision ground construction control method.

[0021] Figure 5 It is a flow chart of steps S401 to S403 in a high-precision ground construction control method.

[0022] Figure 6 It is a flow chart of steps S601 to S604 in a high-precision ground construction control method.

[0023] Explanation of the reference numerals in the accompanying drawings: 1. Elevation rod; 11. Positioning plate; 12. Adjusting nut; 13. Fixing nut; 14. Positioning steel bar; 4. Stirrup bar; 5. Weld; 6. Bottom plate cushion; 7. Concrete to be poured; 71. Concrete to be polished; 72. Final finished surface; 73. Geotextile; 74. Waste formwork; 8. Diagonal brace; 9. Floor formwork. DETAILED DESCRIPTION

[0024] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0025] In a first aspect, an embodiment of the present application discloses a high-precision ground construction control device.

[0026] Reference Figure 1 and Figure 2 A high-precision ground construction control device includes a plurality of elevation rods 1, wherein the plurality of elevation rods 1 are vertically fixedly connected to structural support steel bars, and a plurality of elevation rods 1 are slidably connected with positioning pieces 11 for elevation identification.

[0027] Among them, the elevation rod 1 is a threaded rod.

[0028] Reference Figure 1 and Figure 2 The structural support steel bars include positioning stirrup bars 4. When constructing the base plate, firstly, a number of positioning stirrup bars 4 are set up on the base plate, and then the threaded rods are welded to one side of the height direction of the positioning stirrup bars 4; the elevation rods 1 are all threadedly connected with adjusting nuts 12. Firstly, the adjusting nuts 12 are screwed onto the threaded rods, and then the positioning sheets 11 are placed on the upper end surfaces of the several adjusting nuts 12.

[0029] Wherein, the positioning piece 11 is a porous angle iron.

[0030] Reference Figure 1 and Figure 2 , put it on several threaded rods, and then turn several adjusting nuts 12 to adjust the height of the positioning piece 11. After adjusting the positioning piece 11 to the preset height, you can start pouring concrete. After the bottom plate concrete solidifies, the fixing nuts 13, adjusting nuts 12 and porous angle irons above the concrete surface can be removed and reused later, thereby saving costs; then the screw rod above the concrete surface is sawed off, which can also be reused later.

[0031] Reference Figure 1 and Figure 2After the bottom slab concrete surface is leveled, a floor slab formwork 9 is set up on the bottom slab concrete surface; the structural support steel bars include a steel mesh. After the construction joint position is determined, one of the steel bars in the steel mesh is determined to be a positioning steel bar 14, and the positioning steel bar 14 is horizontally fixed to the floor slab formwork 9, and then the threaded rods are vertically welded at equal intervals on the positioning steel bars 14, and then the adjusting nuts 12 are screwed onto the threaded rods, and then the porous angle irons are put onto several threaded rods, and then the porous angle irons are moved to a preset height by rotating the adjusting nuts 12, and then the porous angle irons can be fixed, and then the concrete can be poured to the height of the porous angle irons to complete the ground construction.

[0032] The working principle of a high-precision ground construction control device according to an embodiment of the present application is as follows: before pouring the bottom plate concrete, the threaded rods are welded to a number of positioning stirrup bars 4, and then the porous angle irons are moved to a preset pouring height, and the porous angle irons are used for elevation; after the concrete is poured to the height of the porous angle irons, the concrete is solidified, and the adjusting nuts 12, the porous angle irons and the fixing nuts 13 are removed; then the bottom plate concrete surface is leveled, and then the positioning steel bars 14 are fixed at the construction joint position, and a number of threaded rods are welded again at equal intervals on the positioning steel bars 14, and then the fixing nuts 13, the porous angle irons and the adjusting nuts 12 are used again for elevation, and the elevation pouring of the floor slab concrete is completed, and the elevation pouring is more convenient.

[0033] In a second aspect, an embodiment of the present application discloses a high-precision ground construction control method.

[0034] A high-precision ground construction control method comprises the following steps: S1: Elevate the pouring height of the base slab concrete.

[0035] S101: Pre-embed a plurality of positioning stirrup bars 4 at equal intervals on the bottom plate cushion layer 6; the spacing between the positioning stirrup bars 4 is the same as that between the bottom plate stirrup bars 4, and the positioning stirrup bars 4 are also used as the bottom plate stirrup bars 4.

[0036] S102: Welding threaded rods on one side of the height direction of a plurality of positioning stirrup bars 4; welding the lower end of the threaded rod to the positioning stirrup bars 4; wherein the threaded rod is a φ12 stainless steel screw.

[0037] S103: Screw the adjusting nut 12 onto the threaded rod, then put the positioning piece 11 onto the threaded rod, and then screw the fixing nut 13 onto the top of the positioning piece 11; wherein the positioning piece 11 is an L4*3 porous angle iron.

[0038] S104: Adjust the height of the positioning piece 11 by rotating the adjusting nut 12. After adjustment, rotate the fixing nut 13 to clamp the positioning piece 11 between the fixing nut 13 and the adjusting nut 12. When adjusting the height of the adjusting nut 12, adjust the height of the positioning piece 11 to a position 10 mm above the concrete casting surface of the bottom plate, and then clamp the positioning piece 11 by rotating the fixing nut 13.

[0039] S105: Wrap the fixing nut 13, the adjusting nut 12 and the positioning piece 11 at the upper end of the threaded rod with a plastic film.

[0040] S2: Pour concrete on the base plate to a preset height.

[0041] S201: Remove the plastic film, remove the fixing nut 13, the positioning piece 11 and the adjusting nut 12 in sequence, and cut off the protruding threaded rod after the concrete solidifies; the rod can be reused for subsequent use, thereby saving costs.

[0042] S202: Smooth the bottom slab concrete surface.

[0043] S3: erecting floor slab formwork 9 on the bottom slab concrete surface.

[0044] S4: Mark the pouring height of floor slab concrete.

[0045] S401: Determine the position of the floor slab construction joint, and fix the positioning steel bars 14 horizontally on the floor slab formwork 9 according to the position of the construction joint; the specifications and models of the positioning steel bars 14 are the same as those of the floor slab steel bars, and are used as floor slab steel bars at the same time, and do not need to be taken out during subsequent pouring.

[0046] S402: Weld a plurality of threaded rods at equal intervals to the positioning steel bar 14; the interval between the plurality of threaded rods is 2 meters.

[0047] S4021: Install a number of diagonal braces 8 at equal intervals on the floor formwork 9, wherein the diagonal braces 8 correspond to the threaded rods one by one, and weld the upper ends of the diagonal braces 8 to the corresponding threaded rods; by welding the diagonal braces 8, the stability of the threaded rods is improved to prevent the threaded rods from tilting.

[0048] S403: Screw the adjusting nuts 12 into the plurality of threaded rods, then put the positioning pieces 11 into the plurality of threaded rods, and then screw the plurality of fixing nuts 13 to the top of the positioning pieces 11; when adjusting the height of the adjusting nuts 12, adjust the height of the positioning pieces 11 to a position 10 mm above the floor slab concrete casting surface, and then clamp the positioning pieces 11 by rotating the fixing nuts 13; and then wrap the fixing nuts 13, the adjusting nuts 12 and the positioning pieces 11 at the upper ends of the threaded rods with plastic film.

[0049] S5: Install steel bars on the floor slab formwork 9, and then pour the floor slab concrete until the floor slab concrete reaches the height of the positioning piece 11, and the pouring is completed.

[0050] S51: Remove the plastic film, remove the fixing nut 13, the positioning piece 11 and the adjusting nut 12 in sequence, and cut off the protruding threaded rod after the concrete solidifies; the rod can be reused for subsequent use, thereby saving costs.

[0051] S6: Surface treatment of floor slab concrete.

[0052] S601: Maintain the floor slab concrete; S6011: Lay geotextile 73 and waste formwork 74 on the upper end of the floor slab concrete; after the construction of the floor slab concrete structure is completed, a full-height support frame needs to be erected above the floor slab concrete for the construction of the upper structure. During the erection and removal of the support frame, the completed slab surface will be damaged. The structure surface is protected by laying waste formwork 74. Waste formwork 74 can be selected, and geotextile 73 is laid under the waste formwork 74 as a buffer to further reduce the impact on the floor slab concrete; this has the effect of protecting the floor slab concrete.

[0053] S602: Grinding of the base layer, grinding the floor during the wear-resistant floor maintenance period of the floor slab concrete; using diamond grinding discs of 6 mesh, 16 mesh, 30 mesh, 60 mesh, and 120 mesh to cross the upper end surface of the floor slab concrete in turn, grinding off a thickness of 10mm, and then cleaning up the dust; using resin grinding discs of 50 mesh and 100 mesh to remove the lines left by the diamond grinding disc, and then cleaning up the floor slab concrete and checking the flatness of the floor slab concrete.

[0054] S603: Apply sealing and curing agent; spray the first layer of curing agent on the upper surface of the floor slab concrete and soak for 4 hours; use a 200-mesh resin grinding disc to cross-grind twice, and use an angle grinder to manually process the corners of the wall column for the second time, then clean the surface, spray the second layer of curing agent evenly and soak for 4 hours.

[0055] S604: Fine grinding and polishing. After the surface water disappears, use 500 mesh and 1000 mesh resin grinding discs to cross-grind twice, and then use 4# high polishing disc and 5# high polishing disc to cross-grind and polish after drying.

[0056] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high-precision ground construction control device, comprising a plurality of elevation rods (1), characterized in that: A plurality of elevation rods (1) are vertically fixedly connected to the structural support steel bars, and a plurality of elevation rods (1) are slidably connected with positioning pieces (11) for elevation identification.

2. A high-precision ground construction control device according to claim 1, characterized in that: The plurality of elevation rods (1) are threaded rods, and the plurality of elevation rods (1) are all threadedly connected with an adjusting nut (12) and a fixing nut (13), the positioning piece (11) is located between the adjusting nut (12) and the positioning nut, the adjusting nut (12) is located below the positioning piece (11), and the fixing nut (13) is located above the positioning piece (11).

3. A high-precision ground construction control method, characterized by: Using the high-precision ground construction control device described in claim 2 to construct the ground includes the following steps: S1: Elevate the pouring height of the bottom slab concrete; S2: pouring concrete on the bottom plate to a preset height; S3: erecting floor slab formwork on the bottom slab concrete surface; S4: Elevate the pouring height of the floor slab concrete; S5: Install steel bars on the floor slab formwork, and then pour the floor slab concrete to a preset height to complete the pouring; S6: Surface treatment of floor slab concrete.

4. A high-precision ground construction control method according to claim 3, characterized in that: The specific construction steps of step S1 include: S101: pre-embedding a plurality of positioning stirrup bars (4) at equal intervals on the bottom plate cushion layer (6); S102: Welding threaded rods on one side of a plurality of positioning stirrup bars (4) in the height direction; S103: Screw the adjusting nut (12) onto the threaded rod, then put the positioning piece (11) onto the threaded rod, and then screw the fixing nut (13) onto the positioning piece (11); S104: The height of the positioning piece (11) is adjusted by rotating the adjusting nut (12), and after the adjustment is completed, the fixing nut (13) is rotated to clamp the positioning piece (11) between the fixing nut (13) and the adjusting nut (12); S105: Wrap the fixing nut (13), the adjusting nut (12) and the positioning piece (11) at the upper end of the threaded rod with a plastic film.

5. A high-precision ground construction control method according to claim 4, characterized in that: After step S2, it also includes: S201: Remove the fixing nut (13), the positioning piece (11) and the adjusting nut (12) in sequence, and cut off the protruding threaded rod after the concrete solidifies.

6. A high-precision ground construction control method according to claim 3, characterized in that: The specific construction steps of step S4 include: S401: Determine the position of the floor slab construction joint, and fix the positioning steel bars (14) horizontally on the floor slab formwork (9) according to the position of the construction joint; S402: welding a plurality of threaded rods at equal intervals to the positioning steel bars (14); S403: Screw the adjusting nuts (12) onto the plurality of threaded rods, then put the positioning pieces (11) onto the plurality of threaded rods, and then screw the plurality of fixing nuts (13) onto the top of the positioning pieces (11).

7. A high-precision ground construction control method according to claim 5, characterized in that: After step S402, the method further includes: erecting a plurality of diagonal braces (8) at equal intervals on the floor slab formwork (9), wherein the plurality of diagonal braces (8) correspond to the threaded rods one by one, and welding the upper ends of the diagonal braces (8) to the corresponding threaded rods.

8. A high-precision ground construction control method according to claim 3, characterized in that: The specific construction steps of step S6 include: S601: Maintain the floor slab concrete; S602: Base grinding, grinding the floor during the maintenance period of the floor slab concrete wear-resistant floor; S603: Construction sealant and curing agent; S604: Fine grinding and polishing.

9. A high-precision ground construction control method according to claim 8, characterized in that: After step S601, the method further includes laying a geotextile (73) and a waste formwork (74) on the upper end of the floor slab concrete.

10. A high-precision ground construction control method according to claim 8, characterized in that: The specific construction steps of step S602 include: using a diamond grinding wheel to perform cross-coarse grinding on the surface of the floor slab concrete, using a resin grinding wheel to remove the lines left by the diamond grinding wheel, and cleaning the surface of the floor slab concrete.

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