JP2011153514A - Method for repairing drain ditch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an innovative method for repairing a drain ditch capable of exerting an unprecedented function effect. <P>SOLUTION: In the method for repairing the drain ditch which is formed by laying a drain ditch block 1, a defect place D generated on an upper part 1A of the drain ditch block 1 to be worked over is repaired by a repairing member 3 such as concrete or mortar. Then, the upper part including the repaired part is covered with a covering plate body 2 which is in same shape as a surface shape of the upper part. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a method for repairing a drainage groove provided, for example, on a side of a road or across a road.

  For example, a drainage groove block that is provided on the side of a road or in a state of crossing the road (this drainage groove block is connected continuously to form a drainage groove). Defects are caused by causes such as vibrations when passing.

  Specifically, as the drain groove block, side walls are erected on the left and right sides of the bottom wall, and a lid mounting step portion for mounting the lid body is provided on the inner surface of each side wall. The side wall is suspended from the left and right sides of the top wall having an opening window, and the lid body is provided on the inner surface of each of the opening windows. There is an inverted U-shaped cross-section that is used with a lid placed on the lid placed step and provided with a lid on the opening window. As a result, the left and right corners of the top surface of the side wall are chipped or scraped, and when a person or a vehicle passes through the upper part, the lid body flutters and the lid mounting step portion is chipped or shaved.

  Therefore, as a method of repairing the defect portion generated in the drainage groove block, for example, using a cutting device as disclosed in Japanese Patent Application Laid-Open No. 2006-29015, the left and right side walls of the drainage groove block are fixed to a predetermined portion (lid mounting). The material is cut at a position lower than the step), and a concrete molded product molded in advance at the factory is disposed on the portion removed by cutting, or concrete is placed by placing a formwork. A method of replacing only the upper side of the side wall with a new one (or re-molding) has been proposed, such as molding on-site.

  This refurbishment method is superior in terms of cost and environment because the amount of waste material discharged is reduced as compared with the method of replacing all drainage groove blocks performed before that.

JP 2006-29015 A

  The present applicant has advanced further research and development on the above-described drainage groove repair method, and as a result, has developed an extremely innovative drainage groove repair method.

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

  A method for repairing a drainage groove formed by laying a drainage groove block 1, wherein a defect portion D generated in the upper part 1 </ b> A of the drainage groove block 1 to be repaired is repaired member 3 such as concrete or mortar. Then, the upper part including the repaired part is covered with the covering plate body 2 having the same shape as the surface shape of the upper part.

  Further, in the drainage groove refurbishing method according to claim 1, as the drainage groove block 1, side walls 1 a are erected on the left and right sides of the bottom wall 1 b, and a lid body 4 is placed on the upper part of the inner surface of each side wall 1 a. A drain groove block 1 having a U-shaped cross section provided with a lid placing step portion 1c to be used is adopted, and the covering plate body 2 includes an upper outer surface and a top surface of the side wall 1a, and the lid placing step portion 1c. The drainage groove repairing method is characterized in that it has a shape covering the inner surface up to, the lid body mounting step portion 1c and the inner surface from the lid body mounting step portion 1c to a predetermined position below.

  Also, in the drainage groove refurbishing method according to claim 1, as the drainage groove block 1, side walls 1a are vertically provided on the left and right sides of the top wall 1d having an opening window 1e, and a lid is provided on each inner surface of the opening window 1e. A drain groove block 1 having an inverted U-shaped cross section provided with a lid mounting step portion 1c for mounting the body 4 is adopted, and the covering plate body 2 is formed on the top outer surface, the top surface, and the top surface of the top wall 1d. It is the shape which covers the inner surface from the lid body mounting step portion 1c of the opening window 1e to the lid body mounting step portion 1c and the inner surface from the lid body mounting step portion 1c of the opening window 1e to a predetermined position below. This relates to a method of repairing a drain ditch characterized by

  Further, in the drainage groove refurbishing method according to any one of claims 2 and 3, the portion of the cover plate 2 that covers the cover body mounting step portion 1c is not loose. The present invention relates to a method for repairing a drain groove, characterized in that a buffer member 17 is provided to prevent the above.

  Further, in the drainage groove refurbishing method according to claim 1, as the drainage groove block 1, a drainage groove block 1 having a U-shaped cross section in which side walls 1 a are erected on the left and right sides of the bottom wall 1 b is adopted. The body 2 has a shape covering the upper outer surface, the top surface, and the upper inner surface of the side wall 1a.

  Further, in the drainage groove refurbishing method according to any one of claims 1 to 5, after the groove 1a 'having a predetermined depth is formed in the drainage groove block 1, the covering plate body 2 is changed to the groove 1a'. The present invention relates to a method for repairing a drainage groove characterized by being partially inserted and covered.

  The drainage groove refurbishing method according to any one of claims 1 to 6, wherein a groove 20a having a predetermined depth is formed at an end of a laying site 20 where the drainage groove block 1 is laid, and then the covering The present invention relates to a drainage groove refurbishing method characterized in that the plate body 2 is partially fitted and covered with the groove 20a.

  The drainage groove refurbishing method according to any one of claims 1 to 7, wherein the covering plate body 2 has the same length as the length L of the drainage groove block 1. It relates to the renovation method.

  The drainage groove refurbishing method according to any one of claims 1 to 8, wherein the covering plate body 2 is disposed via an adhesive, and the drainage groove refurbishing method is provided. .

  The drainage groove repair method according to any one of claims 1 to 9, wherein the covering plate body 2 is formed by bending a metal plate. It is related to.

  Since the present invention is configured as described above, the drainage groove can be repaired easily and quickly as compared with the conventionally proposed repair methods, and the advantages such as the cost and environment can be improved. It will be a revolutionary drainage ditch repair method.

1 is a perspective view showing a coated plate body 2 according to Example 1. FIG. It is explanatory drawing of the drainage groove | channel which concerns on Example 1. FIG. It is explanatory drawing of the repair method of the drain groove which concerns on Example 1. FIG. It is explanatory drawing of the repair method of the drain groove which concerns on Example 1. FIG. It is explanatory drawing of the repair method of the drain groove which concerns on Example 1. FIG. 1 is a perspective view showing a coated plate body 2 according to Example 1. FIG. It is a partial expanded explanation sectional view of a part repaired with a repair method of a drain ditch concerning Example 1. It is a description perspective view of the cutting device used in the case of repair of a drain ditch. It is explanatory drawing of the repair method of the drain groove which concerns on Example 2. FIG. It is explanatory drawing of the repair method of the drain groove which concerns on Example 2. FIG. FIG. 6 is a perspective view showing a coated plate body 2 according to a third embodiment. It is explanatory drawing of the drain groove which concerns on Example 3. FIG. It is explanatory drawing of the repair method of the drain ditch which concerns on Example 3. FIG. It is explanatory drawing of the repair method of the drain ditch which concerns on Example 3. FIG. It is explanatory drawing of the repair method of the drain ditch which concerns on Example 3. FIG.

  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.

  Repair the missing part D in the upper part 1A of the drainage groove block 1 to be repaired with a repairing member 3 such as concrete or mortar, and then the upper part including the repaired part has the same shape as the surface shape of the upper part. The coated plate body 2 is covered. This covering plate body 2 exhibits the protection function of the block upper portion 1A, and also exhibits the function of improving the appearance of the existing drainage groove.

  Further, unlike the conventional repair method, there is no need to cut the block upper portion 1A of the drainage groove block 1, and the repair is performed by simply repairing the defective portion D with the repair member 3 such as concrete or mortar. Only the part including the part is covered with the covering plate 2, and the drainage groove is easily and quickly repaired.

  Further, the present invention calculates the strength required when cutting the block upper portion 1A of the drainage groove block 1 to dispose a concrete molded product, or to dispose concrete by disposing a formwork. In addition, the construction based on the strength calculation is unnecessary, and the repair is performed by using the strength of the drainage groove block 1 as it is, and the covering plate body 2 covers the defect portion D after the repair work. Therefore, the repair member 3 does not adhere to the surface of the cover plate 2 and the finished state is good.

  Since this covering plate body 2 has the same shape as the surface shape of the block upper portion 1A, it does not hinder the placement of the lid body 4.

  Further, as the drainage groove block 1, a side wall 1 a is erected on the left and right sides of the bottom wall 1 b, and a cross section in which a lid body mounting step portion 1 c for mounting the lid body 4 is provided on the inner surface of each side wall 1 a. A U-shaped drain groove block 1 is employed, and the covering plate body 2 includes an upper outer surface and a top surface of the side wall 1a, an inner surface up to the lid body placing step portion 1c, the lid body placing step portion 1c and the lid body. In the case of a shape that covers the inner surface from the mounting step portion 1c to a predetermined position below, the covering plate body 2 is in a latched state with respect to the side wall 1a of the drain groove block 1, and is simply placed on the upper surface of the block upper portion 1A. Compared with the case where it only mounts, the coating | coated board body 2 will be coat | covered so much.

  Further, when a groove 20a having a predetermined depth is formed at the end of the laying site 20 where the drainage groove block 1 is laid, the covering plate 2 is partially inserted into the groove 20a and covered. The covering operation with the body 2 can be performed very easily and satisfactorily. Specifically, the portion that covers the upper outer surface of the side wall 1a of the drain groove block 1 can be satisfactorily disposed by the groove 20a.

  A specific embodiment 1 of the present invention will be described with reference to FIGS.

  The present embodiment is a method for repairing a drainage groove formed by laying the drainage groove block 1, and a defect portion D generated in the upper part 1 </ b> A of the drainage groove block 1 to be repaired is replaced with concrete or mortar. This is a method for repairing a drainage groove which is repaired with a repairing member 3 and then covered with a covering plate body 2 having the same shape as the surface shape of the upper part, including the repaired portion.

  As shown in FIG. 2, the drainage block 1 according to the present embodiment has side walls 1a erected on the left and right sides of a bottom wall 1b having a predetermined length, and a lid 4 is placed on the upper part of the inner surface of the side wall 1a. A drain groove block 1 (so-called U-shaped groove block) having a U-shaped cross section provided with a lid body placing step portion 1c is employed, and a lid is placed between the upper portion of the side wall 1a and between the lid body placing step portions 1c. A body 4 is provided and used. The block upper portion 1A of the drain groove block 1 is the upper end portion of each of the side walls 1a and points to a position below the lid placing step portion 1c.

  Further, the cover plate 2 according to the present embodiment is formed by bending an appropriate metal long thin plate material as shown in FIG. 1, and the length and width are the length of the drain groove block 1. The length L is set to the same length L as the width, and is configured to cover the entire block upper portion 1A when fitted on the block upper portion 1A. The coated plate 2 may be a molded product using a mold.

  The covering plate body 2 includes an upper covering portion 2a that covers the top surface of the side wall 1a of the drain groove block 1, an outer covering portion 2b that is inserted into the groove 20a formed in the laying site 20 and covers the upper outer surface of the side wall 1a, and the side wall 1a. Inner covering portion 2c for covering the upper inner surface of the first covering portion 2c ′ for covering the inner surface of the side wall 1a up to the lid placing step portion 1c, and the second covering for covering the lid placing step portion 1c on the side wall 1a. Part 2c ″ and a third covering part 2c ′ ″) covering the inner surface from the lid mounting step part 1c of the side wall 1a to a predetermined position below.

  Further, a hole 2b ′ is formed at the front and rear positions of the outer covering portion 2b, and this hole 2b ′ is bolted or piled to the upper outer surface of the side wall 1a in a scene where a firm fixed state is required. Use when.

  The outer covering portion 2b may not be provided on the entire edge of the upper substrate portion 2a, and may be provided intermittently. Further, when the groove 20a formed in the laying site 20 is provided at a position away from the upper outer surface of the side wall 1a of the drain groove block 1, the outer covering portion 2b may be inserted into the groove 20a ( That is, the outer covering portion 2b does not necessarily need to contact the upper outer surface of the side wall 1a.

  6 and 7 show a case where the buffer member 17 is provided on the upper surface of the second covering portion 2c ″ of the covering plate body 2. FIG.

  Specifically, the buffer member 17 is a belt-like body formed of a synthetic resin member (rubber member) having moderate flexibility, and a plurality of ridges 17a having a mountain-shaped cross section are arranged in parallel. And has the same length as the length in the length direction of the second covering portion 2c ″.

  The buffer member 17 is provided on the upper surface of the second covering portion 2c '' via a double-sided tape.

  Therefore, the buffer member 17 can prevent the cover body 4 from being rattled and causing backlash when the cover body 4 is placed, and is also made of a concrete cover that is prone to unevenness on the molding surface. The molding accuracy of the body 4 can be guaranteed.

  The buffer member 17 is not limited to rubber and may be a sponge as long as it exhibits the characteristics of this embodiment, such as a sponge.

  FIG. 8 shows a cutting device 5 for forming the groove 20a at the end of the laying site 20 where the drainage groove block 1 is laid (in the vicinity of the upper outer surface of the side wall 1a) in the drainage groove repair work of this embodiment. It is. The groove 20a is a portion into which a part (outer covering portion 2b) of the covering plate body 2 is fitted when the covering plate body 2 is covered.

  Specifically, the cutting device 5 includes a traveling unit 5A and a cutting unit 5B provided in the traveling unit 5A.

  The traveling unit 5 </ b> A is provided with wheels 7 in front and rear positions of the lower surface of the plate-like base 6, and with a traveling operation handle 8 made of an L-shaped hook at the substantially central portion of the upper surface of the base 6.

  Therefore, the traveling unit 5A can manually travel by gripping the traveling operation handle 8 and travels on the top surface of the side wall 1a or the upper surface of the laying portion 20 related to the drain groove block 1 with the wheels 7. Become. In addition, you may comprise so that motive power may be provided as needed and it may drive | work automatically.

  Further, the base 6 related to the traveling part 5A is provided with a mounting part 9 for mounting a cutting part 5B described later.

  The mounting portion 9 includes a guide portion 9A provided on the base 6 and a slide portion 9B that slides relative to the guide portion 9A.

  The guide portion 9A is configured by laying a pair of guide rods 9b between base portions 9a projecting at the front left and right positions on the upper surface of the base body 6, while the slide portion 9B slides the guide rod 9b of the guide portion 9A. The connecting body 9d connected to the cutting part 5B is provided on the upper part of the slide body 9c.

  Therefore, the cutting part 5B can adjust the position in the left-right direction with respect to the traveling part 5A (base 6) by sliding the slide part 9B with respect to the guide part 9A. That is, the protruding amount of the cutting blade 13 from the side of the traveling portion 5A can be varied.

  A fixing means (not shown) for fixing the slide position of the slide portion 9B is provided between the guide portion 9A and the slide portion 9B.

  Further, the traveling unit 5A is provided with an auxiliary traveling unit 5C in a detachable manner on one side surface of the base 6.

  As shown in FIG. 8, the auxiliary traveling unit 5C is provided with wheels 11 at front and rear positions of a plate-like connecting body 10 that is detachably provided on one side surface of the base 6, and is driven by the traveling unit 5A. In doing so, the wheel 11 of the auxiliary travel unit 5C travels on the inner surface of the side wall 1a of the drain groove block 1 so that stable travel is achieved.

  The auxiliary traveling unit 5C may be provided so as to be slidable in the left-right direction with respect to the traveling unit 5A.

  The cutting unit 5B is a cutter device in which a circular cutting blade 13 is provided at the tip (side surface) of the main body 12 in which an appropriate drive source (an electric motor not shown) is housed as shown in FIG.

  In the present embodiment, when the cutting part 5B is mounted on the traveling part 5A, the cutting blade 13 is arranged in a vertical state on one side of the base body 6 related to the traveling part 5A, and the cutting blade 13 is located on the side of the traveling part 5A. It is provided so that protrusions other than the above may not occur as much as possible. This is a configuration for enabling the cutting work to be performed satisfactorily without any obstacle even in a narrow place where the block rod 21 is standing beside the drainage groove.

  In this embodiment, a mortar that is a curable member is employed as the repair member 3. In addition, as the repair member 3, concrete may be used as long as it exhibits the characteristics of this embodiment, such as concrete.

  Explanation of drainage groove repair method using the cover plate body 2 and the cutting device 5 having the above configuration (the repair method of the block upper portion 1A related to the drainage groove block 1 in which the defective portion D as shown in FIG. 2 is generated). To do. In addition, although a present Example is a case where renovation is performed to both the left and right side walls 1a using a pair of covering plate bodies 2, depending on the case, one side wall 1a is refurbished by one covering plate body 2. You may do it.

  First, as shown in FIG. 3, the lid 4 is removed from the drain groove block 1 to be repaired, and the groove 20 a is formed by the cutting device 5. Specifically, the traveling part 5A related to the cutting device 5 is caused to travel on the top surface of the side wall 1a, and in this state, the cutting blade 13 of the cutting part 5B is rotated to form the laying part 20 where the drainage groove block 1 is laid. A groove 20a having a predetermined depth (about 2 cm) is formed in a portion (paved portion) in the vicinity of the upper outer surface of the side wall 1a. The groove 20a is formed along the outer surface of the side wall 1a.

  Further, when the traveling unit 5A travels on the side wall 1a, the wheel 11 associated with the auxiliary traveling unit 5C also travels in contact with the inner surface of the side wall 1a, so that stable traveling can be obtained.

  Subsequently, the defect portion D is repaired with the repair member 3 as illustrated in FIG. 4. When repairing the lid mounting step 1c, the molds 14a and 14b provided on the jack device 14 (the left and right link members 14B that project and retract to the left and right by the rotation of the rotating screw rod 14A) are used. Do it. Note that the groove 20a may be formed by the cutting device 5 after repairing the defective portion D.

  Subsequently, as shown in FIG. 5, the repaired side wall 1 a is covered with the covering plate 2 via the adhesive 15. At this time, the upper covering portion 2a of the covering plate body 2 covers the top surface of the side wall 1a, and the outer covering portion 2b is inserted into the groove 20a to cover the upper outer surface of the side wall 1a. The inner surface of the covering portion 2c ′ side wall 1a up to the lid placing step portion 1c, the second covering portion 2c ″ is the lid placing step portion 1c of the side wall 1a, and the third covering portion 2c ′ ″ is the lid of the side wall 1a. The inner surface from the body placing step portion 1c to a predetermined position below is covered (by making each part of the covering plate 2 lightly tapped to match the shape of the side wall 1a). After that, finish processing such as placing a special composite material such as asphalt so as to fill the gap between the outer covering portion 2b and the groove 20a or eliminate the step with the laying site 20, and placing the new lid 4 on the lid The work is completed after placing on the step portion 1c (the upper surface of the second covering portion 2c '' of the covering plate body 2).

  Since the present embodiment is configured as described above, there is no need to perform the work of cutting the block upper portion 1A of the drain groove block 1 as in the conventional repair method, and it is simply used for repairing concrete or mortar. It is only necessary to cover the block upper part 1A repaired with the member 3 with the covering plate body 2 with the covering plate body 2, the drainage groove is simply and quickly repaired, and the cost is low.

  Further, in this embodiment, the strength required when cutting the block upper portion 1A of the drain groove block 1 to dispose a concrete molded product, or disposing concrete by placing a formwork. No calculation or construction based on this strength calculation is required, and the repair will be carried out using the strength of the drainage groove block 1 as it is. As a result, the repair member 3 does not adhere to the surface of the cover plate 2 and the finished state is improved.

  Moreover, since this embodiment does not cut the block upper part 1A of the drain groove block 1, it can suppress the discharge of industrial waste, and also suppresses the amount of carbon dioxide emission because it uses almost no construction machinery. It becomes an environmentally friendly construction method.

  Further, in this embodiment, since the covering plate body 2 has the same shape as the surface shape of the block upper portion 1A, there is no hindrance to the placement of the lid body 4, and the laying site 20 where the drain groove block 1 is laid is provided. Does not interfere with.

  Further, in this embodiment, side walls 1a are erected on the left and right sides of the bottom wall 1b as the drain groove block 1, and a lid body placing step portion 1c for placing the lid body 4 on the upper inner surface of each side wall 1a. A drain groove block 1 having a U-shaped cross section is provided, and the covering plate body 2 includes an upper outer surface and a top surface of the side wall 1a, an inner surface up to the lid placing step portion 1c, and the lid placing step portion. 1c and the lid body mounting step portion 1c, and the inner surface from the lid mounting step portion 1c to a predetermined position below, the covering plate body 2 is in a latched state with respect to the side wall 1a of the drain groove block 1 and is simply an upper portion 1A of the block. Compared with the case where it only mounts on the upper surface of this, the covering plate body 2 will be covered firmly so much.

  Further, in this embodiment, after the groove 20a having a predetermined depth is formed at the end portion of the laying portion 20 where the drain groove block 1 is laid, the covering plate body 2 is partially inserted into the groove 20a to be covered. Thus, the covering operation with the covering plate body 2 can be performed very easily and satisfactorily. Specifically, the outer covering portion 2b that covers the upper outer surface of the side wall 1a of the drainage groove block 1 can be satisfactorily disposed by the groove 20a.

  In the present embodiment, since the cover plate 2 is formed by bending a metal plate, the cost is low and the mass productivity is excellent because of the simple structure.

  Moreover, a present Example can be constructed without stopping the flow of the existing drainage groove.

  In addition, although the present Example employ | adopts the type which provided the cover body mounting step part 1c in the upper inner surface of the side wall 1a as above-mentioned as the drain groove block 1, this cover body mounting step part 1c is not provided. In the drain groove block 1 having a U-shaped cross section, the above-described operational effects of the covering plate body 2 can be obtained.

  A specific embodiment 2 of the present invention will be described with reference to FIGS.

  In this embodiment, a drain groove block 1 (so-called spot casting block) formed by placing concrete on site is employed as the drain groove block 1 for forming the drain groove.

  Specifically, the drain groove block 1 has side walls 1a erected on the left and right sides of a bottom member 1f formed at the bottom of a recessed groove formed in the laying portion 20, and a lid body on the inner surface of the side wall 1a. A drain groove block 1 (so-called U-shaped groove) having a U-shaped cross section provided with a lid body placing step portion 1c for placing 4 is adopted, and a lid body placing step portion is provided between the upper portions of the side walls 1a. A lid 4 is provided between 1c. The block upper portion 1A of the drain groove block 1 is the upper end portion of each of the side walls 1a and points to a position below the lid placing step portion 1c.

  Further, this type of drain groove block 1 is often wider in the width of the top surface of the side wall 1a than the molded product (precast concrete block) as in Example 1 described above. In this case, the top surface (block A groove 1a ′ is formed in itself), and the outer covering portion 2b of the covering plate body 2 is inserted into the groove 1a ′.

  This is because it is easier and cheaper to manufacture if the size of the cover plate 2 is unified, and moreover, if the entire top surface of the wide side wall 1a is covered, the metal surface (slip) However, the structure of the present embodiment can surely prevent this.

  In addition, the drainage groove block 1 made in the field does not have a constant width of the top surface of the side wall 1a, and also in this respect, the groove 1a ′ for inserting the outer covering portion 2b of the covering plate body 2 is formed on the top surface. Useful.

  The drainage groove repair method (the repair method of the block upper part 1A related to the drainage groove block 1 in which the defective portion D is generated) using the covering plate body 2 and the cutting device 5 having the above configuration will be described. In addition, although a present Example is a case where renovation is performed to both the left and right side walls 1a using a pair of covering plate bodies 2, depending on the case, one side wall 1a is refurbished by one covering plate body 2. You may do it.

  First, the lid 4 is removed from the drain groove block 1 to be repaired, and the groove 1 a ′ is formed by the cutting device 5. Specifically, the traveling unit 5A related to the cutting device 5 is caused to travel on the top surface of the side wall 1a, and in this state, the cutting blade 13 of the cutting unit 5B is rotated so that the top surface of the side wall 1a of the drain groove block 1 has a predetermined depth. A groove 1a having a thickness of about 2 cm is formed. The groove 1a is formed in the entire length direction of the side wall 1a.

  Further, when the traveling unit 5A travels on the side wall 1a, the wheel 11 associated with the auxiliary traveling unit 5C also travels in contact with the inner surface of the side wall 1a, so that stable traveling can be obtained.

  Subsequently, the defect portion D is repaired with the repair member 3 as illustrated in FIG. 9. When repairing the lid mounting step 1c, the molds 14a and 14b provided on the jack device 14 (the left and right link members 14B that project and retract to the left and right by the rotation of the rotating screw rod 14A) are used. Do it. In addition, after repairing the defect part D, you may make it form the groove | channel 1a with the cutting device 5. FIG.

  Subsequently, as shown in FIG. 10, the repaired side wall 1 a is covered with the cover plate 2 via the adhesive 15. At this time, the upper covering portion 2a of the covering plate body 2 covers the top surface of the side wall 1a, the outer covering portion 2b is inserted into the groove 1a ', and the first covering portion 2c' related to the inner covering portion 2c is formed on the side wall 1a. The inner surface up to the lid placing step portion 1c, the second covering portion 2c '' is from the lid placing step portion 1c on the side wall 1a, and the third covering portion 2c '' 'is from the lid placing step portion 1c on the side wall 1a. The inner surface up to a predetermined position below is covered (it is made to match the shape of the side wall 1a by tapping each part constituting the covering plate 2). After that, finishing treatment such as placing concrete or the like so as to fill a gap between the outer covering portion 2b and the groove 1a 'or eliminate a step with the top surface is performed, and a new lid 4 is placed on the lid mounting step 1c ( The operation is completed after placing on the upper surface of the second covering portion 2c ″ of the covering plate body 2.

  Although not shown, a buffer member 17 is appropriately provided on the upper surface of the second covering portion 2c ″ according to the covering plate body 2.

  The rest is the same as in Example 1.

  A specific third embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 12, the drain groove block 1 according to the present embodiment has side walls 1a suspended from the right and left sides of a predetermined top wall 1d having an opening window 1e, and a lid 4 on the inner surface of the opening window 1e. A drain groove block 1 having a reverse U-shaped cross section provided with a lid placing step portion 1c for placing a lid is adopted, and a lid 4 is placed on the lid placing step portion 1c to open an opening window. 1e is closed. The block upper part 1A of the drainage groove block 1 is the top wall 1d and points to a boundary position with each side wall 1a at a position lower than the lid placing step part 1c. Reference numeral 1f denotes a bottom member formed at the bottom of the groove formed in the laying site 20, and the drain groove block 1 is placed on the bottom member 1f.

  Further, the cover plate 2 according to the present embodiment is formed by bending an appropriate metal long thin plate as shown in FIG. 11, and the length and width are the length of the drain groove block 1. The length L is set to the same length L as the width, and is configured to cover the entire block upper portion 1A when fitted on the block upper portion 1A. The coated plate 2 may be a molded product using a mold.

  The covering plate body 2 includes an upper covering portion 2a that covers the top surface of the top wall 1d of the drain groove block 1 and an outer covering portion 2b that is inserted into the groove 20a formed in the laying site 20 and covers the upper outer surface of the top wall 1d. It is the composition which has.

  Further, a hole 2b ′ is formed at the front and rear positions of each of the outer covering portions 2b, and this hole 2b ′ is fixed to the upper outer surface of the top wall 1d with bolts or piles in a scene where a firm fixed state is required. Used when doing.

  The outer covering portion 2b may not be provided on the entire edge of the substrate portion 2a, and may be provided intermittently. Further, when the groove 20a formed in the laying site 20 is provided at a position away from the upper outer surface of the side wall 1a of the drain groove block 1, the outer covering portion 2b may be inserted into the groove 20a ( That is, the outer covering portion 2b does not necessarily need to contact the upper outer surface of the side wall 1a.

  In addition, an opening 2a ′ is provided in the center of the upper covering portion 2a by punching a plate material, and a notch piece (which covers the upper inner surface of the top wall 1d is provided on each of the opposing left and right edges of the opening 2a ′. An inner covering 2c) is provided.

  The inner covering portion 2c includes a first covering portion 2c ′ that covers the inner surface of the top wall 1d up to the lid placing step portion 1c, and a second covering portion 2c that covers the lid placing step portion 1c of the top wall 1d. '' And a third covering portion 2c ′ ″ covering the inner surface from the lid placing step portion 1c of the top wall 1d to a predetermined position below.

  Further, anti-slip portions 16 are provided on the left and right upper surfaces of the upper covering portion 2a according to the covering plate body 2.

  The anti-slip portion 16 is formed by superposing and welding a metal plate 16 having a large number of protrusions 16a on the upper surface of the upper covering portion 2a.

  The anti-slip portion 16 is formed by spraying a synthetic resin such as rubber having a high frictional resistance, or by forming a window hole on the surface of the upper covering portion 2a to expose the surface of the block. However, the structure for polymerizing the metal plate as in this embodiment is excellent in strength.

  A drainage groove repair method using the cover plate body 2 and the cutting device 5 having the above-described configuration (a repair method of the block upper portion 1A related to the drainage groove block 1 in which the defective portion D illustrated in FIG. 12 is generated) will be described.

  First, as shown in FIG. 13, the lid 4 is removed from the drain groove block 1 to be repaired, and the groove 20 a is formed by the cutting device 5. Specifically, the traveling unit 5A related to the cutting device 5 is caused to travel on the top surface of the top wall 1d, and in this state, the cutting blade 13 of the cutting unit 5B is rotated so that the drainage groove block 1 is laid. Then, a groove 20a having a predetermined depth (about 2 cm) is formed in the vicinity of the upper outer surface of the top wall 1d (paved portion). The groove 20a is formed along the outer surface of the top wall 1d.

  Subsequently, as shown in FIG. 14, the defect portion D is repaired by the repair member 3. When repairing the lid mounting step 1c, the molds 14a and 14b provided on the jack device 14 (the left and right link members 14B that project and retract to the left and right by the rotation of the rotating screw rod 14A) are used. Do it. Note that the groove 20a may be formed by the cutting device 5 after repairing the defective portion D.

  Subsequently, as shown in FIG. 15, the repaired ceiling wall 1 d is covered with the covering plate body 2 via the adhesive 15. At this time, the upper covering portion 2a of the covering plate body 2 covers the top surface of the top wall 1d, and the outer covering portion 2b is inserted into the groove 20a to cover the upper outer surface of the top wall 1d, and relates to the inner covering portion 2c. The first covering portion 2c ′ is the inner surface of the top wall 1d up to the lid placing step portion 1c, and the second covering portion 2c ″ is the lid placing step portion 1c of the top wall 1d, and the third covering portion 2c ′ ″. Covers the inner surface of the top wall 1d from the lid mounting step 1c to a predetermined position below (by matching the shape of the top wall 1d by tapping each part of the covering plate 2). After that, finish processing such as placing a special composite material such as asphalt so as to fill the gap between the outer covering portion 2b and the groove 20a or eliminate the step with the laying site 20, and placing the new lid 4 on the lid The work is completed after placing on the step portion 1c (the upper surface of the second covering portion 2c '' of the covering plate body 2).

  Although not shown in the drawings, in the drainage groove repairing method according to the present embodiment, the defective portion D generated in the upper part 1A of the drainage groove block 1 to be repaired is repaired with a repairing member 3 such as concrete or mortar. In addition, a groove is formed on the top surface of the top wall 1d according to the drain groove block 1, and then the outer covering portion 2b of the covering plate body 2 is inserted into the groove so that the upper portion including the repaired portion is covered with the covering plate body 2. You may make it do. In addition, a buffer member 17 is appropriately provided on the upper surface of the second covering portion 2c ″ according to the covering plate body 2.

  The rest is the same as in Examples 1 and 2.

  In addition, this invention is not restricted to Examples 1-3, The concrete structure of each component can be designed suitably.

D Deficient portion 1 Drainage groove block 1A Upper block 1a Side wall 1a 'Groove 1b Bottom wall 1c Lid mounting step 1d Top wall 1e Opening window 2 Cover plate 3 Repair member 4 Lid
17 Shock absorber
20 Installation site
20a groove

Claims (10)

  A method for repairing a drainage groove formed by laying a drainage groove block, repairing a defective portion generated in the upper part of the drainage groove block to be repaired with a repair member such as concrete or mortar, and thereafter A method for repairing a drain groove, wherein an upper portion including the repaired portion is covered with a covering plate body having the same shape as the surface shape of the upper portion.   2. The drainage groove refurbishing method according to claim 1, wherein side walls are erected on the left and right sides of the bottom wall as the drainage groove block, and a lid body placing step portion for placing a lid body on the upper inner surface of each side wall. A drain groove block having a U-shaped cross section is provided, and the covering plate body includes an upper outer surface and a top surface of the side wall, an inner surface up to the lid body placing step portion, the lid body placing step portion, and A drainage groove refurbishing method characterized by having a shape covering an inner surface from the lid placing step portion to a predetermined position below.   2. The drainage groove repairing method according to claim 1, wherein side walls are vertically provided on the left and right sides of the top wall having an opening window as the drainage groove block, and a lid is placed on each inner surface of the opening window. A drain groove block having an inverted U-shaped cross section provided with a mounting step is adopted, and the covering plate body is an upper outer surface of the top wall, a top surface, and an inner surface up to the lid mounting step of the opening window. A method for repairing a drainage groove, characterized in that it has a shape that covers the inner surface from the lid placing step of the lid body and the lid placing step of the opening window to a predetermined position below.   4. The drainage groove repair method according to claim 2, wherein a buffer member that prevents the cover body from rattling is provided on a portion of the cover plate body that covers the cover body mounting stepped portion. 5. A method for repairing a drainage ditch, characterized by being provided.   The drainage groove refurbishing method according to claim 1, wherein the drainage groove block employs a drainage groove block having a U-shaped cross section with side walls erected on the left and right sides of the bottom wall. A drainage groove refurbishing method characterized by having a shape covering the upper outer surface, top surface and upper inner surface.   The drainage groove refurbishing method according to any one of claims 1 to 5, wherein a groove having a predetermined depth is formed in the drainage groove block, and then the covering plate body is partially inserted into the groove and covered. The drainage ditch repair method characterized by this.   The method for repairing a drain groove according to any one of claims 1 to 6, wherein a groove having a predetermined depth is formed at an end portion of a laying site where the drain groove block is laid, and then the covering plate body is formed into the groove. A method for repairing a drainage ditch, characterized in that a part of the drainage groove is covered and covered.   The drainage groove repair method according to any one of claims 1 to 7, wherein the covering plate body has the same length as the drainage groove block.   The drainage groove repair method according to any one of claims 1 to 8, wherein the covering plate body is disposed through an adhesive.   The drainage groove repair method according to any one of claims 1 to 9, wherein the covering plate body is formed by bending a metal plate.

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