Discontinuous ground elevation control device and construction method thereof

Abstract

The present application relates to a kind of discontinuous ground elevation control device and its construction method, comprising: the adjusting rod of transverse arrangement;A pair of clamping components is movably adjusted and installed on adjusting rod;Bubble level is installed on clamping component;Vertical rod is installed on clamping component and is vertically arranged;Positioning plate is movably adjusted and installed on mounting portion. Since the adjusting rod is transversely arranged, and the two sides of the reverse ridge are vertical surfaces, by moving and adjusting a pair of clamping components, the top of the reverse ridge is clamped, and the clamping components are leveled by adjusting the bubble level, so that a pair of clamping components on both sides of the reverse ridge are symmetrically arranged. The positioning plate is arranged on the vertical rod to locate the pouring position of the concrete. Since the concrete is poured to the position of the positioning plate, by controlling the distance between the positioning plate on both sides of the reverse ridge and the bottom surface of the corresponding clamping component, the top elevation of the concrete surface on both sides of the reverse ridge is consistent.

Description

Technical Field

[0001] This invention relates to the field of building technology, and specifically to a device for controlling discontinuous ground elevation and its construction method. Background Technology

[0002] In building construction, it is common to encounter situations where concrete pouring is required on discontinuous ground surfaces. For example, due to the presence of a curb, the ground on both sides of the curb is separated, but concrete needs to be poured on both sides to ensure that the top elevation of the concrete surfaces on both sides is consistent. Existing construction methods usually control the pouring thickness of the concrete on both sides to be consistent. However, if there is a deviation in the initial height of the ground on both sides, even if the pouring thickness is consistent, it is impossible to ensure that the top elevation of the concrete surfaces on both sides is consistent. Therefore, how to control the top elevation of the concrete surfaces on both sides when there is a deviation in the initial height of the ground on both sides is a technical problem that this application urgently needs to solve. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a discontinuous ground elevation control device and its construction method, so as to solve the problem that the existing method of controlling the top elevation of the concrete surface on both sides of the curb by controlling the pouring thickness is not suitable for the situation where the initial elevation of the ground on both sides is inconsistent.

[0004] To achieve the above objectives, the present invention provides a discontinuous ground elevation control device for controlling the top elevation of concrete surfaces on both sides of a retaining wall to be consistent. The elevation control device includes:

[0005] The adjusting rod is arranged horizontally.

[0006] A pair of clamping assemblies are movably and adjustablely mounted on the adjusting rod. By adjusting the position of the clamping assemblies on the adjusting rod, the pair of clamping assemblies clamp the top of the anti-slope on both sides of the anti-slope.

[0007] A bubble level is mounted on the clamping assembly;

[0008] A vertical rod, mounted on the clamping assembly and arranged vertically, extends beyond the bottom surface of the clamping assembly and forms a mounting portion; and

[0009] A positioning plate is vertically movable and adjustable on the mounting part. The positioning plate is perpendicular to the vertical rod. By controlling the distance between the positioning plates on both sides of the curb and the bottom surface of the corresponding clamping components, the top elevation of the concrete surfaces on both sides of the curb is controlled to be consistent.

[0010] In this invention, since the adjusting rod is horizontally arranged and the two opposite sides of the reverse curb are vertical, a pair of clamping components are moved and adjusted to clamp the top of the reverse curb. The clamping components are then leveled using a bubble level so that the pair of clamping components on both sides of the reverse curb are symmetrically arranged, and the vertical rods on both sides of the reverse curb are also symmetrically arranged. Positioning plates on the vertical rods are used to locate the pouring position of the concrete surface. Since the concrete is poured to the position of the positioning plate, by controlling the distance between the positioning plates on both sides of the reverse curb and the bottom surface of the corresponding clamping components to be consistent, that is, the distance between the concrete surface on both sides of the reverse curb and the bottom surface of the corresponding clamping components is equal, the top elevation of the concrete surface on both sides of the reverse curb can be controlled to be consistent.

[0011] A further improvement of the discontinuous ground elevation control device of the present invention is that the elevation control device further includes a sleeve sleeved and threadedly connected to the adjusting rod, the end of the sleeve being mounted on the clamping assembly. By screwing the adjusting rod, the sleeve can move back and forth along the adjusting rod together with the clamping assembly to adjust the spacing between the pair of clamping assemblies.

[0012] A further improvement of the discontinuous ground elevation control device of the present invention is that the clamping assembly includes a first plate arranged vertically, a second plate arranged vertically, and an elastic member that is supported and connected between the first plate and the second plate and has elasticity.

[0013] A further improvement of the discontinuous ground elevation control device of the present invention is that it further includes a first sleeve sleeved on the elastic member and fixed at one end to the first plate, and a second sleeve sleeved at one end on the other end of the first sleeve and fixed at the other end to the second plate.

[0014] A further improvement of the discontinuous ground elevation control device of the present invention is that it further includes a pair of top plates vertically connected to the side of the first plate near the second plate, the pair of top plates being located at the top of the first plate, and the pair of top plates and the first plate forming a first slot.

[0015] The top of the second plate is bent toward the first plate to form a first insertion part, which is inserted into the first slot.

[0016] A further improvement of the discontinuous ground elevation control device of the present invention is that it further includes a vertically arranged insert sleeve that is installed inside the clamping assembly;

[0017] The vertical rod is located outside the clamping assembly and its top end is bent to form a first bent portion arranged horizontally and a second bent portion connected to the first bent portion and arranged vertically. The second bent portion is inserted into the insert.

[0018] A further improvement of the discontinuous ground elevation control device of the present invention is that it further includes a plurality of pairs of slots spaced apart on the mounting part along the vertical direction, with each pair of slots symmetrically arranged on both sides of the mounting part;

[0019] The positioning plate is provided with a through groove that passes through the positioning plate. The direction of the through groove is consistent with the length direction of the positioning plate. One end of the positioning plate is provided with an opening that communicates with the through groove. The positioning plate is fitted into the corresponding slot of the mounting part through the through groove.

[0020] A further improvement of the discontinuous ground elevation control device of the present invention is that it further includes a connecting rope installed on the positioning plate and a limiting piece installed on the end of the connecting rope away from the positioning plate;

[0021] The positioning plate is provided with a limiting groove that passes through the positioning plate at the position where the vertical rod passes through. The limiting piece can be locked in the limiting groove and blocked on the outside of the vertical rod, thereby restricting the movement of the vertical rod through the limiting groove and the limiting piece.

[0022] A further improvement of the discontinuous ground elevation control device of the present invention is that the number of vertical rods on each of the clamping components is two and they are aligned.

[0023] The positioning plate is fitted onto the two corresponding vertical rods.

[0024] The present invention also provides a construction method for the discontinuous ground elevation control device as described above, comprising the following steps:

[0025] Move the elevation control device so that the pair of clamping components are located on both sides of the countersunk. Adjust the position of the clamping components on the adjusting rod so that the pair of clamping components clamp the top of the countersunk on both sides.

[0026] When pouring concrete on one side of the reverse curb, the positioning plate is moved to the preset top elevation of the concrete surface, and the first distance between the positioning plate on one side of the reverse curb and the bottom surface of the corresponding clamping component is obtained.

[0027] Based on the first distance, the positioning plate located on the other side of the reverse curb is moved and adjusted so that the second distance between the positioning plate located on the other side of the reverse curb and the bottom surface of the corresponding clamping component is equal to the first distance;

[0028] Pour concrete on the other side of the inverted curb to the position of the positioning plate located on the other side of the inverted curb. Attached Figure Description

[0029] Figure 1This is a front-view perspective view of the discontinuous ground elevation control device of the present invention.

[0030] Figure 2 This is a top-view perspective view of the discontinuous ground elevation control device of the present invention.

[0031] Figure 3 This is a side perspective view of the discontinuous ground elevation control device of the present invention.

[0032] Figure 4 This is a schematic diagram of the vertical rod, positioning plate, and level ruler in the discontinuous ground elevation control device of the present invention.

[0033] Figure 5 This is a top view of the positioning plate and level in the discontinuous ground elevation control device of the present invention.

[0034] Symbol descriptions: Adjusting rod 10, sleeve 11, screw block 12, baffle 13, clamping assembly 20, first plate 21, top plate 211, bottom plate 212, first slot 213, second slot 214, second plate 22, first insertion part 221, second insertion part 222, elastic element 23, first sleeve 24, second sleeve 25, insertion tube 26, bubble level 30, vertical rod 40, mounting part 41, slot 411, first bending part 42, second bending part 43, positioning plate 50, through groove 51, limiting groove 52, limiting piece 60, connecting rope 61, level 70. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without inventive effort are within the scope of protection of this invention.

[0036] This invention provides a discontinuous ground elevation control device and its construction method. The positioning plate 50 set on the vertical rod 40 is used to locate the pouring position of the concrete surface. Since the concrete is poured to the position of the positioning plate 50, by controlling the distance between the positioning plate 50 on both sides of the curb and the bottom surface of the corresponding clamping component 20 to be consistent, the top elevation of the concrete surface on both sides of the curb is consistent.

[0037] The following description, in conjunction with the accompanying drawings, illustrates the discontinuous ground elevation control device and its construction method of the present invention.

[0038] See Figures 1 to 3In this embodiment, a discontinuous ground elevation control device is used to control the top elevation of the concrete surfaces on both sides of the curb to be consistent. The elevation control device includes: an adjusting rod 10 arranged horizontally; a pair of clamping components 20 movably and adjustablely mounted on the adjusting rod 10, wherein the position of the clamping components 20 on the adjusting rod 10 is adjusted so that the pair of clamping components 20 clamp the top of the curb on both sides; a bubble level 30 mounted on the clamping components 20; a vertical rod 40 mounted on the clamping components 20 and arranged vertically, the vertical rod 40 extending out of the bottom surface of the clamping components 20 to form a mounting part 41; and a positioning plate 50 movably and adjustablely mounted on the mounting part 41, the positioning plate 50 being perpendicular to the vertical rod 40. By controlling the distance between the positioning plates 50 on both sides of the curb and the bottom surface of the corresponding clamping components 20 to be consistent, the top elevation of the concrete surfaces on both sides of the curb is controlled to be consistent.

[0039] In this embodiment, the elevation control device uses a horizontally oriented adjusting rod 10, while the two opposite sides of the curb are vertical. By moving and adjusting a pair of clamping components 20, the pair of clamping components 20 clamp the top of the curb. The clamping components 20 are leveled using a bubble level 30, ensuring that the pair of clamping components 20 on both sides of the curb are symmetrically arranged. The vertical rods 40 on both sides of the curb are also symmetrically arranged. Positioning plates 50 on the vertical rods 40 facilitate the positioning of the concrete pouring location. When pouring concrete on one side of the curb... The preset top elevation of the concrete surface can be determined by using a level to assist the positioning plate 50 in moving to the preset top elevation of the concrete surface and to obtain the first distance between the positioning plate 50 on one side of the curb and the bottom surface of the corresponding clamping component 20. The second distance between the positioning plate 50 on the other side of the curb and the bottom surface of the corresponding clamping component 20 is adjusted to be equal to the first distance so that the height of the positioning plates 50 on both sides of the curb is consistent. Since the concrete is poured to the position of the positioning plate 50, the top elevation of the concrete surface on both sides of the curb can be controlled to be consistent.

[0040] See Figure 1 and Figure 2 In one specific embodiment, the elevation control device further includes a sleeve 11 sleeved and threadedly connected to the adjusting rod 10. The end of the sleeve 11 is mounted on the clamping assembly 20. By screwing the adjusting rod 10, the sleeve 11 can move back and forth along the adjusting rod 10 together with the clamping assembly 20 to adjust the distance between the pair of clamping assemblies 20.

[0041] Each adjusting rod 10 has one sleeve 11 located inside one of the clamping assemblies 20. The adjusting rod 10 passes through the other clamping assembly 20 and is fixed with a baffle 13, which restricts the clamping assembly 20 from sliding out of the adjusting rod 10. A screwing block 12 is installed at the other end of the adjusting rod 10 away from the baffle 13.

[0042] Preferably, there are at least two adjusting rods 10. By providing at least two adjusting rods 10, the sleeve can be restricted from rotating around the adjusting rod 10 when the adjusting rod 10 is turned, so that the sleeve can only move along the adjusting rod 10.

[0043] See Figure 1 and Figure 2 In one specific embodiment, the clamping assembly 20 includes a vertically arranged first plate 21, a vertically arranged second plate 22, and an elastic member 23 that is elastically connected between the first plate 21 and the second plate 22. The elastic member 23 is offset from the adjusting rod 10.

[0044] Preferably, the elastic element 23 is a spring, and there are three springs in each clamping assembly 20, which are spaced apart. Under the action of the spring force, the two clamping assemblies 20 can be clamped and fixed to both sides of the countersunk wall, thereby enhancing the reinforcement effect.

[0045] See Figure 1 and Figure 2 Furthermore, the elevation control device also includes a first sleeve 24 sleeved on the elastic member 23 and fixed at one end to the first plate 21, and a second sleeve 25 sleeved at one end on the other end of the first sleeve 24 and fixed at the other end to the second plate 22.

[0046] The design of the first sleeve 24 and the second sleeve 25 fitting together can accommodate the elastic extension and contraction of the spring. That is, when the spring extends, the overlapping part of the first sleeve 24 and the second sleeve 25 increases, and when the spring shortens, the overlapping part of the first sleeve 24 and the second sleeve 25 shortens.

[0047] See Figure 1 and Figure 2 Furthermore, the elevation control device also includes a pair of top plates 211 vertically connected to the side of the first plate 21 near the second plate 22. The pair of top plates 211 are located at the top of the first plate 21, and a first slot 213 is formed between the pair of top plates 211 and the first plate 21. The top of the second plate 22 is bent toward the first plate 21 to form a first insertion part 221, and the first insertion part 221 is inserted into the first slot 213.

[0048] See Figure 1 and Figure 2Furthermore, the elevation control device also includes a pair of base plates 212 vertically connected to the side of the first plate 21 near the second plate 22. The pair of base plates 212 are located at the bottom end of the first plate 21, and a second slot 214 is formed between the pair of base plates 212 and the first plate 21. The bottom end of the second plate 22 is bent toward the first plate 21 to form a second insertion part 222, and the second insertion part 222 is inserted into the second slot 214.

[0049] The length of the overlapping portion of the first insertion part 221 and the top plate 211 can be adapted to the elastic extension and contraction of the spring, and the length of the overlapping portion of the second insertion part 222 and the bottom plate 212 can be adapted to the elastic extension and contraction of the spring, so that the width of the clamping assembly 20 itself can be adjusted.

[0050] See Figure 1 and Figure 3 In one specific embodiment, the elevation control device further includes a vertically arranged insert 26 that is installed inside the clamping assembly 20; the vertical rod 40 is located outside the clamping assembly 20 and its top end is bent to form a horizontally arranged first bent portion 42 and a vertically arranged second bent portion 43 connected to the first bent portion 42, the second bent portion 43 being inserted into the insert 26.

[0051] Preferably, the bottom end of the mounting part 41 is placed on the ground, and the length of the second bent part 43 inserted into the insert 26 can be adjusted according to the height of the countersunk wall, i.e. the installation height of the clamping assembly 20.

[0052] See Figure 1 , Figure 3 and Figure 4 In one specific embodiment, the elevation control device further includes a plurality of pairs of slots 411 spaced apart on the mounting portion 41 along the vertical direction, with each pair of slots 411 symmetrically arranged on both sides of the mounting portion 41; the positioning plate 50 is provided with a through groove 51 penetrating the positioning plate 50, the through groove 51 being arranged in the same direction as the length direction of the positioning plate 50, and one end of the positioning plate 50 having an opening communicating with the through groove 51. The positioning plate 50 is fitted into the corresponding slot 411 of the mounting portion 41 through the through groove 51, so that the positioning plate 50 is clamped in the slot 411, thereby achieving the effect of vertically limiting the positioning plate 50.

[0053] See Figure 1 , Figure 3 and Figure 4Furthermore, the elevation control device also includes a connecting rope 61 installed on the positioning plate 50 and a limiting piece 60 installed on the end of the connecting rope 61 away from the positioning plate 50; the positioning plate 50 is provided with a limiting groove 52 that penetrates the positioning plate 50 near the opening, and the limiting piece 60 can be locked in the limiting groove 52 and blocked on the outside of the vertical rod 40, thereby restricting the movement of the pair of vertical rods 40 through the limiting groove 52 and the limiting piece 60.

[0054] See Figure 1 , Figure 3 and Figure 4 Furthermore, the elevation control device also includes a level 70 installed on the positioning plate 50. The level 70 can be used to observe whether the positioning plate 50 is horizontal, so as to ensure that the positioning plate 50 is adjusted to a horizontal state.

[0055] Preferably, each of the clamping components 20 has a pair of vertical rods 40 arranged in alignment; the positioning plate 50 is fitted onto the pair of vertical rods 40.

[0056] The construction process of the discontinuous ground elevation control device of the present invention will be described below.

[0057] Move the elevation control device so that the pair of clamping components 20 are located on both sides of the reverse curb. By turning the adjusting rod 10, the position of the clamping components 20 on the adjusting rod 10 is adjusted so that the pair of clamping components 20 clamp the top of the reverse curb on both sides of the reverse curb.

[0058] When pouring concrete on one side of the reverse curb, the preset top elevation of the concrete surface is located by setting out the line with a level. The positioning plate 50 on one side of the reverse curb is then fitted into the slot 411 at the preset top elevation position on the corresponding mounting part 41, and the first distance between the positioning plate 50 on one side of the reverse curb and the bottom surface of the corresponding clamping component 20 is obtained.

[0059] According to the first distance, the positioning plate 50 located on the other side of the reverse curb is fitted into the slot 411 at the preset top elevation position on the corresponding mounting part 41, so that the second distance between the positioning plate 50 located on the other side of the reverse curb and the bottom surface of the corresponding clamping component 20 is equal to the first distance.

[0060] Pour concrete on the other side of the inverted curb to the position of the positioning plate 50 located on the other side of the inverted curb.

[0061] The present invention also provides a construction method for the discontinuous ground elevation control device as described above, comprising the following steps:

[0062] Move the elevation control device so that the pair of clamping components 20 are located on both sides of the reverse curb. Adjust the position of the clamping components 20 on the adjusting rod 10 by moving them so that the pair of clamping components 20 clamp the top of the reverse curb on both sides of the reverse curb.

[0063] When pouring concrete on one side of the reverse curb, the positioning plate 50 is moved to the preset top elevation of the concrete surface, and the first distance between the positioning plate 50 on one side of the reverse curb and the bottom surface of the corresponding clamping component 20 is obtained.

[0064] Based on the first distance, the positioning plate 50 located on the other side of the reverse curb is moved and adjusted so that the second distance between the positioning plate 50 located on the other side of the reverse curb and the bottom surface of the corresponding clamping assembly 20 is equal to the first distance;

[0065] Pour concrete on the other side of the inverted curb to the position of the positioning plate 50 located on the other side of the inverted curb.

[0066] By adopting the above technical solution, the present invention has the following beneficial effects:

[0067] This invention can achieve the same elevation for adjacent floor slabs by adjusting the height of the positioning rulers on both sides of the curb. Considering that the upper surface of the curb is not necessarily level, this device is fixed to both sides of the curb by compression. The pair of clamping components 20 are adjusted to be level by checking if the bubble level 30 is centered. First, the positioning plate 50 on one side is adjusted according to the preset top elevation of the concrete surface. Based on the distance between this positioning position and the bottom surface of the clamping component 20, the positioning plate 50 on the other side is adjusted accordingly, thereby controlling the top elevation of the concrete surfaces on both sides of the curb to be consistent. When several controllers are fixed together on the curb, a level is needed to help align the positioning plates 50 of the multiple elevation control devices on a horizontal line.

[0068] It should be noted that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and to facilitate understanding and reading. They are not intended to limit the scope of the invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of the invention, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of the invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention.

Claims

1. A discontinuous ground elevation control device for controlling the top elevation of concrete surfaces on either side of a reverse camber, characterised in that, The elevation control device includes: The adjusting rod is arranged horizontally. A pair of clamping assemblies are movably and adjustablely mounted on the adjusting rod. By adjusting the position of the clamping assemblies on the adjusting rod, the pair of clamping assemblies clamp the top of the anti-slope on both sides of the anti-slope. A bubble level is mounted on the clamping assembly; A vertical rod, mounted on the clamping assembly and arranged vertically, extends beyond the bottom surface of the clamping assembly and forms a mounting portion; and A positioning plate is vertically movable and adjustable on the mounting part. The positioning plate is perpendicular to the vertical rod. By controlling the distance between the positioning plates on both sides of the curb and the bottom surface of the corresponding clamping components, the top elevation of the concrete surfaces on both sides of the curb is controlled to be consistent.

2. The discontinuous ground elevation control device of claim 1, wherein, The elevation control device also includes a sleeve that is threaded onto the adjusting rod. The end of the sleeve is mounted on the clamping assembly. By screwing the adjusting rod, the sleeve can move back and forth along the adjusting rod together with the clamping assembly to adjust the distance between the pair of clamping assemblies.

3. The discontinuous ground elevation control device of claim 1, wherein, The clamping assembly includes a first plate arranged vertically, a second plate arranged vertically, and an elastic member that is supported and connected between the first plate and the second plate and has elasticity.

4. The discontinuous ground elevation control device of claim 3, wherein, It also includes a first sleeve fitted onto the elastic member and fixed at one end to the first plate, and a second sleeve fitted at one end onto the other end of the first sleeve and fixed at the other end to the second plate.

5. The discontinuous ground elevation control device of claim 3, wherein, It also includes a pair of top plates vertically connected to the side of the first plate near the second plate, the pair of top plates being located at the top of the first plate, and the pair of top plates and the first plate forming a first slot; The top of the second plate is bent toward the first plate to form a first insertion part, which is inserted into the first slot.

6. The discontinuous ground elevation control device as described in claim 1, characterized in that, It also includes a vertically arranged insert sleeve that is installed inside the clamping assembly; The vertical rod is located outside the clamping assembly and its top end is bent to form a first bent portion arranged horizontally and a second bent portion connected to the first bent portion and arranged vertically. The second bent portion is inserted into the insert.

7. The discontinuous ground elevation control device as described in claim 1, characterized in that, It also includes a plurality of pairs of slots spaced apart vertically on the mounting portion, with each pair of slots symmetrically arranged on both sides of the mounting portion; The positioning plate is provided with a through groove that passes through the positioning plate. The direction of the through groove is consistent with the length direction of the positioning plate. One end of the positioning plate is provided with an opening that communicates with the through groove. The positioning plate is fitted into the corresponding slot of the mounting part through the through groove.

8. The discontinuous ground elevation control device as described in claim 7, characterized in that, It also includes a connecting rope installed on the positioning plate and a limiting piece installed on the end of the connecting rope away from the positioning plate; The positioning plate is provided with a limiting groove that passes through the positioning plate at the position where the vertical rod passes through. The limiting piece can be locked in the limiting groove and blocked on the outside of the vertical rod, thereby restricting the movement of the vertical rod through the limiting groove and the limiting piece.

9. The discontinuous ground elevation control device as described in claim 1, characterized in that, Each of the clamping components has two vertical rods that are aligned. The positioning plate is fitted onto the two corresponding vertical rods.

10. A construction method for a discontinuous ground elevation control device as described in claim 1, characterized in that, Includes the following steps: Move the elevation control device so that the pair of clamping components are located on both sides of the countersunk. Adjust the position of the clamping components on the adjusting rod so that the pair of clamping components clamp the top of the countersunk on both sides. When pouring concrete on one side of the reverse curb, the positioning plate is moved to the preset top elevation of the concrete surface, and the first distance between the positioning plate on one side of the reverse curb and the bottom surface of the corresponding clamping component is obtained. Based on the first distance, the positioning plate located on the other side of the reverse curb is moved and adjusted so that the second distance between the positioning plate located on the other side of the reverse curb and the bottom surface of the corresponding clamping component is equal to the first distance; Pour concrete on the other side of the inverted curb to the position of the positioning plate located on the other side of the inverted curb.

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