JP2011219960A - Side ditch repairing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a side ditch repairing method that improves the operability of adjusting raising/lowering of a side ditch upper-part repair body with a lifting adjustment bolt and allows reuse of the lifting adjustment bolt.SOLUTION: A method of repairing a side ditch comprises: cutting and removing an upper part of a side ditch block 1; installing a side ditch upper-part repair body 6 on the surface 2 of the side ditch block 1 that has been formed by the cutting and removing; screwing a lifting adjustment bolt 3 that is longer than a bolt insertion hole 4 into an internal thread portion 5 of the bolt insertion hole 4 formed in the side ditch upper-part repair body 6; adjusting raising/lowering of the side ditch upper-part repair body 6 by turning a rotary operation part 7 of the lifting adjustment bolt 3 that protrudes upward from the side ditch upper-part repair body 6; fixing the side ditch upper-part repair body 6 by filling a clearance gap 8 between the lower part of the side ditch upper-part repair body 6 and the cut surface of the side ditch block 1 with hardening agent 9; removing the lifting adjustment bolt 3 from the bolt insertion hole 4 by turning the rotary operation part 7 of the lifting adjustment bolt 3; and filling the bolt insertion hole 4 with the hardening agent 9.

Description

  The present invention relates to a method for repairing an aged gutter.

  To repair an old U-shaped side gutter, a method of excavating a side gutter block from the road surface and replacing it with a new gutter block has been implemented. A road (bypass) or the like must be provided to maintain the function of the gutter at the repaired place, which requires much labor and cost.

  Therefore, the present applicant cuts and removes the upper part of the side groove block to be repaired, and in the removed part, is made of a concrete made in advance in a shape having a mounting surface part for mounting a closing member such as a concrete lid or a grating. A side groove repair method (Patent Document 1) in which a repair member is newly installed and a side groove repair method (Patent Document 2) in which an L-shaped side groove block is newly installed in the removed portion are proposed.

  Specifically, for example, the upper part of the side groove block of the existing side groove is cut and removed with a concrete cutter or the like, and a connecting hole for inserting and arranging the lifting adjustment bolt is formed in the cut and removed surface, and the plurality of connecting holes A plurality of screw holes formed in the repair member (side groove upper repair body) are aligned, and the side groove upper repair body is installed on the cutting and removal surface, and the aligned connecting hole and screw hole are respectively provided. The lifting adjustment bolt is inserted and installed, screwed into the screw hole, and the lifting adjustment bolt is rotated and adjusted to correct the side groove upper repair body, then the side groove block cut and removed and the side groove upper repair The side groove upper repair body is fixed by filling the gap with the body with a curing agent.

  The lifting adjustment bolt is a headless hexagon socket head bolt that is the same as or shorter than the screw hole length and can be rotated in the screw hole. The screw holes were also filled with a curing agent, and the elevation adjustment bolt was buried.

  And according to these methods, the side groove block is not dug out from the road surface, only the upper part is cut and removed, and the repair work can be carried out while maintaining the side groove function by the lower part of the left side groove block. It is not necessary to provide a bypass, and the side groove can be repaired as easily.

JP 2006-322138 A JP 2008-240358 A

  The present invention relates to the improvement of such a side groove repair method, and the operability of the lifting adjustment of the side groove upper repair body with the lifting adjustment bolt is improved, and the lifting adjustment bolt can be reused. It provides a gutter repair method with excellent properties.

  The gist of the present invention will be described with reference to the accompanying drawings.

  In order to cut and remove the upper part of the side groove block 1 of the existing U-shaped side groove to be repaired, and to insert the lifting adjustment bolt 3 in contact with the cut and removed surface 2 on the cut and removed surface 2 of the cut and removed portion of the side groove block 1 A side groove upper repair body 6 having a structure in which a female screw portion 5 for screwing the lifting adjustment bolt 3 to the bolt insertion hole 4 is provided. Before or after installing the side groove upper repair body 6 on the cutting and removing surface 2, the elevation adjusting bolt 3 is inserted into the bolt insertion hole 4 from above and screwed to the female screw portion 5, and this elevation adjustment is performed. The bolt 3 is longer than the length of the bolt insertion hole 4, and the base end of the bolt 3 protrudes downward from the side groove upper repair body 6 and abuts on the cut and remove surface 2. Projects upward from the upper repair body 6 The side groove upper repair body 6 is lifted and adjusted to an appropriate installation posture by rotating the rotation operation portion 7 of the lift adjustment bolt 3 so that the lower groove and the side groove of the side groove upper repair body 6 are adjusted. After the hardening agent 9 is filled in the gap 8 between the cut and removed portion of the block 1 and the side groove upper repair body 6 is fixed to the cut and removed surface 2 of the side groove block 1 by the hardening of the hardening agent 9, The present invention relates to a side groove repair method characterized in that the rotation adjusting portion 7 is rotated to remove the lifting adjustment bolt 3 from the bolt insertion hole 4 and the bolt insertion hole 4 is filled with a curing agent 9.

  2. The gutter repair method according to claim 1, wherein the female screw plate having the female screw part is insert-molded into the bolt insertion hole.

  Moreover, the said raising / lowering adjustment volt | bolt 3 which has the square head 7A was employ | adopted as the said rotation operation part 7, It concerns on the gutter repair method of any one of Claim 1, 2 characterized by the above-mentioned.

  Further, a connecting hole 11 is formed in the cutting removal surface 2 so as to correspond to the bolt insertion hole 4 of the side groove upper repair body 6, and the position of the bolt insertion hole 4 and the connecting hole 11 is adjusted to match the position of the upper side groove. The repair body 6 is placed on the cutting and removal surface 2, and the side groove upper repair body 6 is lifted and adjusted to an appropriate installation posture by turning the turning operation portion 7 of the lifting adjustment bolt 3 to repair the upper side groove. After filling the gap 8 between the lower part of the body 6 and the cut and removed portion of the side groove block 1, and fixing the side groove upper repair body 6 to the cut and removed surface 2 of the side groove block 1 by curing the hardening agent 9, The lifting operation bolt 7 is turned to remove the lifting adjustment bolt 3 from the bolt insertion hole 4, and the rod-like connecting body 12 is inserted into the bolt insertion hole 4 and the connection hole 11. And a curing agent 9 is filled. Of those of the gutter repair method according to any one.

  Further, a gap between the lower portion of the side groove upper repair body 6 and the left and right cut and removal surfaces 2 of the cut and removed portion of the side groove block 1 is closed by a seal member 13, and the lower portion of the side groove upper repair body 6 and the side groove block 1 are closed. 5. The side groove repair method according to claim 1, wherein leakage of the curing agent 9 filling the gap 8 with the cut and removed portion is prevented by the seal member 13. is there.

  Further, the side groove upper repair body 6 is a plate-like shape that is laid on the left and right cut / removed surfaces 2 of the cut / removed portion of the side groove block 1 and closes the cut / removed portion of the side groove block 1. It is set as the structure provided with the said bolt penetration hole 4, and it concerns on the side groove repair method of any one of Claims 1-5 characterized by the above-mentioned.

  Since the present invention is configured as described above, it is very easy to perform the rotation operation of the lifting adjustment bolt compared to the conventional method in which the rotation operation portion of the lifting adjustment bolt is in the bolt insertion hole, and repairs the upper side groove. It is a side groove repair method with excellent workability that allows the body to be lifted and lowered easily.In addition, unlike the conventional repair method in which the lifting adjustment bolt is filled with a curing agent, the lifting adjustment bolt is removed from the bolt insertion hole. As a result, the removed lifting adjustment bolt can be reused for repairing another gutter and contributes to resource conservation. Become.

  Further, in the invention described in claim 2, the side groove repair method is more practical and can be easily realized by designing the structure in which the female screw portion is provided in the bolt insertion hole.

  Further, in the invention according to claim 3, it is easy to attach a turning tool such as a spanner or a spectacle wrench to the square head, and the turning operation portion of the lifting adjustment bolt can be easily turned using this turning tool. It becomes a gutter repair method that is more practical and can be operated.

  Further, in the invention described in claim 4, since the cut and removal surface of the side groove block and the side groove upper repair body are integrated through the connecting body, a more practical effect of preventing a strong misalignment of the side groove upper repair body can be obtained. It becomes a gutter repair method with excellent properties.

  Further, in the invention according to claim 5, it is possible to satisfactorily prevent a trouble that the curing agent filling the gap between the lower portion of the side groove upper repair body and the cut and removed portion of the side groove block leaks into the side groove of the side groove block. It becomes a gutter repair method that is even more practical.

  Further, in the invention described in claim 6, it is not necessary to separately install and install side gutter lids or the like, and the side gutter upper repair body is fixed on the cut and removed surface of the cut and removed portion of the side gutter block so that the side gutter with a lid is repaired. Therefore, the gutter repair method is more practical.

It is a schematic explanatory drawing which shows the construction procedure 1 of a present Example. It is a schematic explanatory drawing which shows the construction procedure 2 of a present Example. It is a schematic explanatory drawing which shows the construction procedure 3 of a present Example. In this embodiment, a connecting hole is formed on the cut / removed surface of the side groove block, and the connecting hole and the bolt insertion hole are aligned so that the side groove upper repair body is placed on the cut / removed surface. It is a schematic explanatory perspective view. It is a schematic explanatory perspective view which shows the state which mounted the side groove upper repair body on the cutting removal surface of the side groove block of a present Example. It is a partial expanded explanation slant cross-sectional view which shows the state which is going to insert the raising / lowering adjustment bolt from the upper direction into the bolt insertion hole of the side groove upper repair body of a present Example. FIG. 7 is a partially enlarged oblique sectional view showing a state in which the tip of the lifting adjustment bolt is brought into contact with the cutting / removing surface and adjusted by a turning tool, following FIG. 6. FIG. 8 is an enlarged front cross-sectional view showing a state where the lateral groove upper repair body is corrected to an appropriate installation posture following FIG. 7. It is an expansion front sectional view which shows the construction completion state of a present Example. It is an expansion front sectional view which shows another Example of the leakage prevention structure of the hardening | curing agent with which the clearance gap between the lower part of a side groove upper repair body and the cutting removal part of a side groove block is filled.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  The upper part of the side groove block 1 of the existing side groove to be repaired is cut and removed, and the side groove upper repair body 6 is installed on the cut and removed surface 2 of the side groove block 1.

  Next, for example, the elevation adjustment bolt 3 is inserted into the bolt insertion hole 4 of the side groove upper repair body 6 from above and screwed to the female screw portion 5, and the bolt end of the elevation adjustment bolt 3 is connected to the side groove upper repair body 6. It protrudes downward and is brought into contact with the cut removal surface 2. That is, the side groove upper repair body 6 is supported on the cut and removal surface 2 by the lifting adjustment bolt 3. It should be noted that after the elevating adjustment bolt 3 is screwed into the female screw portion 5 of the bolt insertion hole 4 of the side groove upper repair body 6 in advance, the side groove upper repair body 6 is installed on the cut and removal surface 2 of the side groove block 1. Anyway.

  Then, by turning the turning operation portion 7 of the lifting adjustment bolt 3, the side groove upper repair body 6 is adjusted up and down to correct the side groove upper repair body 6 to an appropriate installation state.

  At this time, the rotation operation portion 7 protruding upward from the side groove upper repair body 6 is easier to perform the rotation operation than the conventional repairing method in which the rotation operation portion 7 is in the bolt insertion hole 4. The raising / lowering adjustment of the upper repair body 6 is easily performed as compared with the conventional method.

  That is, in the conventional construction method in which the rotation operation portion 7 of the lifting adjustment bolt 3 is in the bolt insertion hole 4, the rotation operation portion 7 is often hidden by the shadow of the bolt insertion hole 4 and is difficult to see. It was difficult to attach the turning tool 17 because rainwater and snow were likely to accumulate in the bolt insertion hole 4 during bad weather such as time and snowfall. In the present invention projecting upward from the repair body 6, the rotation operation unit 7 is very easy to visually recognize and is not buried in rainwater or snow. The moving tool 17 can be mounted quickly and smoothly and can be adjusted efficiently.

  Further, in the present invention in which the rotation operation portion 7 of the lifting adjustment bolt 3 protrudes above the side groove upper repair body 6, it is possible to use a long rotating tool 17 such as a spanner 17. Rotation operation (elevation adjustment) of the elevating adjustment bolt 3 is easily performed using the rotating tool 17 having a long handle, and the side groove upper repair body 6 has a function as a side groove cover as in the embodiments described later. Even if it is such a large-sized heavy article, the raising / lowering adjustment of the side groove upper repair body 6 can be performed easily.

  Thereafter, a hardener 9 is filled in the gap 8 between the cut and removed portion of the side groove block 1 and the side groove upper repaired body 6, and the side groove upper repaired body 6 is fixed to the cut and removed surface 2 of the side groove block 1 by curing of the hardener 9. To do.

  Subsequently, the lifting operation bolt 7 is turned and the lifting adjustment bolt 3 is unscrewed from the female screw portion 5 and removed from the bolt insertion hole 4, and the lifting adjustment bolt 3 is removed. The bolt insertion hole 4 is filled with a curing agent 9, and the hardening agent 9 is cured to fill the bolt insertion hole 4 and complete the repair work.

  Therefore, unlike the conventional repair method in which the lifting adjustment bolt 3 is filled with the curing agent 6, the lifting adjustment bolt 3 is removed from the bolt insertion hole 4, so that the removed lifting adjustment bolt 3 is used for the next gutter repair. Can be reused.

  The lifting / lowering adjustment bolt 3 may be removed from the bolt insertion hole 4 (female screw portion 5) after the curing agent 9 filled in the gap 8 is completely cured, or the curing agent 9 is cured to some extent. And even if there is no support by the raising / lowering adjustment bolt 3, you may carry out in the semi-hardened state which the side groove upper repair body 6 does not produce subsidence.

  Further, for example, a connection hole 11 is formed in the cut and removal surface 2 so as to correspond to the position of the bolt insertion hole 4 of the side groove upper repair body 6, and the position of the bolt insertion hole 4 and the connection hole 11 is aligned. The side groove upper repair body 6 is installed on the cutting / removal surface 2 (see FIGS. 1 and 5), and the side groove upper repair body 6 is properly operated by rotating the rotation operation portion 7 of the lifting adjustment bolt 3. The height is adjusted to the installation posture, and a curing agent 9 is filled in the gap 8 between the lower portion of the side groove upper repair body 6 and the cut and removed portion of the side groove block 1, and the side groove upper repair body 6 is fixed to the side groove block 1 by the curing of the curing agent 9. After being fixed to the cutting / removing surface 2, the turning operation portion 7 of the lifting adjustment bolt 3 is turned to remove the lifting adjustment bolt 3 from the bolt insertion hole 4, and the bolt insertion hole 4 and the connection hole are removed. 11 is inserted with a rod-like connecting body 12 and filled with a curing agent 9. Then, the cut and removal surface 2 (the connection hole 11) of the side groove block 1 and the side groove upper repair body 6 (the bolt insertion hole 4) are integrated through the connection body 12 to strengthen the side groove upper repair body 6. An effect of preventing misalignment can be obtained.

  Further, for example, the side groove upper repair body 6 is a plate-like shape that is constructed on the left and right cut and removal surfaces 2 of the cut and removed portion of the side groove block 1 and closes the cut and removed portion of the side groove block 1. If it is set as the structure provided with the said bolt penetration hole 4 on both sides, this side groove upper part repair body 6 is fixed on the cutting removal surface 2 of the cutting removal part of the side groove block 1, and separately installs a side groove cover etc. It will be repaired to a gutter with a lid.

  Specific embodiments of the present invention will be described with reference to the drawings.

  In this embodiment, the upper part of the side groove block 1 of the existing U-shaped side groove to be repaired is cut and removed, and the upper part of the side groove corresponding to the cut and removed part is formed on the cut and removed surface 2 of the cut and removed part of the side groove block 1. This relates to the gutter repair method for newly installing the repair body 6.

  The side groove upper repair body 6 used in the present embodiment is integrally formed of concrete into a shape equivalent to a side groove cover disposed on the upper side of the side groove block. That is, the case where the side groove upper repair body 6 having the function of the side groove cover is employed is shown. Although not shown, the side groove upper repair body 6 may have the same shape as the cut and removed portion of the side groove block 1, and in this case, a new side groove cover is separately installed and installed.

  The side groove upper repair body 6 of the present embodiment will be described in more detail. As shown in FIGS. 4 and 5, the side groove upper repair body 6 has a rectangular plate shape having a length width equivalent to the length width of the side groove block 1. When the lateral groove upper repair body 6 is placed on the left and right cut / removed surfaces 2 of the cut / removed portion of the side groove block 1 with the lateral groove block 1 aligned in the length direction with the lateral width orthogonal to the direction, It is mounted on the removal surface 2 in a erected state, and is formed into a rectangular plate-like body having a lateral width capable of closing the cut and removed portion of the side groove block 1.

  Further, the side groove upper repair body 6 has a side groove cover shape in which a plurality of slits 18 for drainage are formed side by side along the length direction, and the left and right cut and removal surfaces 2 of the cut and removed portions of the side groove block 1 are formed. The width dimension is set and configured so that a gap 8 for injecting the curing agent 9 is formed between the left and right side surfaces and the asphalt surface adjacent to the side groove when placed on the top.

  Further, bolt insertion holes 4 through which the lifting adjustment bolts 3 can be inserted vertically are formed in the vicinity of the four left and right corners of the side groove upper repair body 6, and the lifting adjustment bolts 3 are screwed into the bolt insertion holes 4. A female screw portion 5 is provided.

  More specifically, as shown in FIG. 6, when the side groove upper repair body 6 is concrete-molded, the bolt insertion hole 4 is integrally formed, and a metal female screw plate 10 provided with a female screw portion 5 is used as the bolt. The female screw plate 10 is insert-molded so as to be disposed in the insertion hole 4. In addition, although not shown in figure, you may insert-mold to the side groove upper repair body 6 by making what welded the nut to the metal plate the female screw plate 10. FIG.

  Further, the upper part of the bolt insertion hole 4 above the female screw plate 10 (female screw part 5) is formed in a funnel shape whose diameter gradually increases toward the upper side. It is easy to put a curing agent 9 or a rod-like connecting body 12 described later.

  As shown in FIGS. 6 and 7, the lifting adjustment bolt 3 of this embodiment that is screwed into the female screw portion 5 of the bolt insertion hole 4 is a bolt having a square head 7 </ b> A as the rotation operation portion 7. Hexagonal bolt), which is longer than the hole length of the bolt insertion hole 4, and the bolt distal end protrudes below the side groove upper repair body 6 and abuts on the cutting and removing surface 2 in the state of rotating the proximal end. A bolt 7 has a length protruding upward from the side groove upper repair body 6.

  Next, the side groove repair method using the side groove upper repair body 6 and the lifting adjustment bolt 3 of this embodiment will be described.

  The side groove cover 14 is removed from the U-shaped side groove block 1 of the existing side groove to be repaired (see FIG. 1A), and the left and right upper portions of the side groove block 1 are cut with an appropriate concrete cutting machine 15 (see FIG. 1B). ), Removing the cut portion (see FIG. 1C).

  Next, on the left and right cut / removal surfaces 2 of the side groove block 1, the connecting holes 11 are provided in a vertically provided state so as to correspond to the positions of the bolt insertion holes 4 of the side groove upper repair body 6 (FIG. 1 (d), (See FIG. 4). Further, the opening diameter of the connecting hole 11 is smaller than the bolt diameter of the lifting / lowering adjustment bolt 3, whereby the position of the bolt insertion hole 4 is aligned with the connecting hole 11, and the bolt tip portion of the lifting / lowering adjusting bolt 3 is laterally grooved. When protruding from below the upper repair body 6, the upper opening of the connection hole 11 is closed without being inserted into the connection hole 11, and comes into contact with the cut-and-removed surface 2. It is set as the structure which prevents the hardening | curing agent 9 entering (refer FIG. 6, FIG. 7). It should be noted that in the conventional side groove renovation method, the bolt tip of the lifting adjustment bolt 3 is inserted into the connection hole 11, the adhesive is injected into the connection hole 11, and the lifting adjustment bolt 3 disposed in the connection hole 11. The tip is firmly integrated into the connecting hole 11, but in this embodiment, the bolt tip is not inserted into the connecting hole 11 and the adhesive is not injected in order to remove the lifting adjustment bolt 3 later.

  Next, on the left and right cut / removal surfaces 2, an elongate seal member 13 having flexibility is placed so as to be substantially flush with the left and right inner wall surfaces of the side groove block 1, and from above the seal member 13. The side groove upper repair body 6 is placed (see FIGS. 2E, 4 and 5). The gap 8 generated between the lower and side surfaces of the side groove upper repair body 6 and the cut and removed portion of the side groove block 1 is blocked by the seal member 13 at the positions on the left and right inner wall surfaces of the side groove block 1. The sealing member 13 is used to prevent the curing agent 9 from leaking out while filling the gap 8 with the curing agent 9. In addition, as shown in another example of FIG. 10, a turnbuckle type jack 19 having flexible seal members 13 at both ends is used, and the side groove upper repair body is formed by the seal members 13 at both ends of the jack 19. Leakage of the curing agent 9 from the gap 8 by erection and fixing between the left and right inner wall surfaces of the side groove block 1 so as to close the inner end of the gap 8 between the lower portion of the groove 6 and the cut and removed portion of the side groove block 1 You may make it prevent.

  Next, the up / down adjustment bolts 3 are inserted into the respective bolt insertion holes 4 from above and screwed to the female screw portions 5, and the up / down adjustment bolts 3 are advanced downward to close the connection holes 11. In this way, the rotating operation part 7 (square head 7A) of each lifting adjustment bolt 3 which is brought into contact with the cutting removal surface 2 and protrudes upward from each bolt insertion hole 4 is moved with a rotating tool 17 such as a spanner 17. Rotating operation is performed to adjust the height and inclination of the side groove upper repair body 6 according to the installation situation such as the height of the ground (road surface) on which the side groove upper repair body 6 is installed (FIG. 2 ( f), see FIG. 7 and FIG.

  Next, the lower groove of the side groove upper repair body 6 and the gap 8 between the left and right side surfaces and the cut and removed portion of the side groove block 1 are filled with a curing agent 9 employing concrete 9A, and the side groove upper repair body 6 is cured by the curing of the curing agent 9. It fixes to the cutting removal surface 2 of the side groove block 1 (refer FIG.2 (g)). At this time, the sealing member 13 prevents the curing agent 9 from leaking into the side groove block 1. Further, the connection hole 11 is blocked by the bolt tip of the lifting adjustment bolt 3, thereby preventing the curing agent 9 from entering.

  Next, the turning operation portion 7 of the lifting adjustment bolt 3 is turned using a turning tool 17 such as a spanner 17 or an electric turning tool, and the lifting adjustment bolt 3 is removed from the bolt insertion hole 4 (FIG. 2 ( h)). Then, the bolt insertion hole 4 (female screw portion 5) from which the lifting / lowering adjustment bolt 3 is removed and the connecting hole 11 are in communication with each other via the curing agent 9 portion where the lifting / lowering adjustment bolt 3 was present. . At this time, the lifting adjustment bolt 3 is difficult to rotate due to the hardening of the curing agent 9, but it is not adhered with a special adhesive and may be removed by strong rotation. Is possible. This has been confirmed by the applicant's prototype experiment.

  Next, the adhesive 16 is filled in the bolt insertion hole 4 and the connection hole 11 in this communication state (see FIG. 3 (i)), and the bolt connection hole 4 is connected before the adhesive 16 is completely cured. A rebar 12 as a rod-like connecting body 12 having a length over both of these holes 11 is inserted deeply into the hole 11 (see FIG. 3 (j)). When the adhesive is cured, the bolt connecting hole 4 from above the connecting body 12 is inserted. Is filled with a curing agent 9 employing mortar 9B (see FIG. 3 (k)), and the repair work is completed when the curing agent 9 is cured (see FIGS. 3 (l) and 9).

  In this embodiment, the case where the reinforcing bar 12 is used as the rod-like connecting body 12 is shown, but a rod-like body such as a bolt having a diameter smaller than that of the connecting hole 11 may be adopted.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

DESCRIPTION OF SYMBOLS 1 Side groove block 2 Cutting removal surface 3 Lifting adjustment bolt 4 Bolt insertion hole 5 Female screw part 6 Side groove upper repair body 7 Rotating operation part 7A Square head 8 Crevice 9 Hardener
10 Female screw plate
11 Connecting hole
12 Connected body
13 Seal member

Claims (6)

  The upper part of the side groove block of the existing U-shaped side groove to be repaired is cut and removed, and a bolt insertion hole for inserting a lifting adjustment bolt abutting against the cut and removed surface on the cut and removed surface of the cut and removed portion of the side groove block is provided. A side groove upper repair body having a structure in which a female screw portion for screwing an elevating adjustment bolt into the bolt insertion hole is provided and the side groove upper repair body is installed on the cut and removed surface. Before or after installation, the elevating adjustment bolt is inserted into the bolt insertion hole from above and screwed into the female screw portion. The elevating adjustment bolt is longer than the hole length of the bolt insertion hole and has a bolt tip. The lifting adjustment bolt has a length that protrudes downward from the side groove upper repair body and has a length in which the rotation operation portion of the proximal end protrudes above the side groove upper repair body in a state of being in contact with the cut and removal surface. By rotating the turning operation part, the side groove upper repair body is adjusted up and down to an appropriate installation posture, and the gap between the lower part of the side groove upper repair body and the cut and removed portion of the side groove block is filled with a curing agent. After fixing the side groove upper repair body to the cut and removal surface of the side groove block by curing the curing agent, the lifting operation bolt is rotated to remove the lifting adjustment bolt from the bolt insertion hole, and this bolt insertion A side groove repair method characterized by filling a hole with a curing agent.   The side groove repair method according to claim 1, wherein a female screw plate having the female screw part is insert-molded into the bolt insertion hole.   The gutter repair method according to any one of claims 1 and 2, characterized in that the lifting adjustment bolt having a square head is adopted as the turning operation portion.   A connection hole is formed in the cutting and removing surface in correspondence with the bolt insertion hole of the side groove upper repair body, and the side groove upper repair body is placed on the cutting and removal surface by aligning the position of the bolt insertion hole and connection hole. Install and adjust the side groove upper repair body up and down to an appropriate installation posture by rotating the rotation operation part of the lifting adjustment bolt, and the gap between the lower part of the side groove upper repair body and the cut and removal part of the side groove block The side groove upper repair body is fixed to the cut / removed surface of the side groove block by curing the curing agent, and then the lifting operation bolt is rotated to rotate the lifting adjustment bolt. The side groove repairing method according to any one of claims 1 to 3, wherein the side groove repairing method according to any one of claims 1 to 3, wherein the side groove repairing method is performed by removing the bolt from the bolt insertion hole, inserting a rod-shaped coupling body into the bolt insertion hole and the coupling hole, and filling a curing agent. .   The gap between the lower part of the side groove upper repair body and the left and right cut and removal surfaces of the cut and removed part of the side groove block is sealed with a seal member, and the gap between the lower part of the side groove upper repair body and the cut and removed part of the side groove block is closed. The side groove repair method according to any one of claims 1 to 4, wherein leakage of the curing agent to be filled is prevented by the seal member.   The side groove upper repair body is a plate-like shape that is laid on the right and left cut and removal surfaces of the cut and removed portion of the side groove block and closes the cut and removed portion of the side groove block, and the bolt insertion holes are formed on both left and right sides. The gutter repair method according to any one of claims 1 to 5, wherein the gutter repair method is provided.

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