JP2006183752A - Rehabilitation pipe for existing pipe repair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rehabilitation pipe for existing pipe repair provided with a reinforcing bar support for supporting a reinforcing bar capable of reducing a repair period and execution costs of an existing pipe degraded part before installing the rehabilitation pipe. <P>SOLUTION: The rehabilitation pipe 20 is formed like a pipe by spirally connecting profiles 23, and it is formed with ribs 24-28 extending spirally on an outer circumferential face. A plurality of reinforcing bar supports 21 is held at intervals in a longitudinal direction of the ribs 24 and 27, and the reinforcing bar 22 of a predetermined length extending in a circumferential direction is held by the plurality of reinforcing bar supports 21. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a rehabilitating pipe for repairing an existing pipe used for repairing and rehabilitating an existing pipe.

  In general, when the existing pipe 1 such as a sewer pipe buried in the ground E is deteriorated as shown in FIG. 15, it is necessary to repair the existing pipe 1. Conventionally, a method of using a rehabilitated pipe 3 formed from a profile 2 for repairing such an existing pipe 1 is known (for example, see Patent Document 1).

  In this construction method, a belt-like profile 2 made of hard resin is connected in a spiral and tubular manner in the existing pipe 1 to form a rehabilitation pipe 3 made of the profile 2 in the existing pipe 1. A backfilling material or the like is filled between the existing pipe 1 and cured.

  In this method, in order to form the rehabilitated pipe 3 in the existing pipe 1, for example, a self-propelled pipe making machine 4 as shown in FIG. It is known that the profile 2 is spirally connected by the machine 4. The self-propelled pipe making machine 4 is controlled in operation by a hydraulic unit 5 disposed in the existing pipe 1, and the hydraulic unit 5 is driven and controlled by an electric vehicle 6 disposed on the ground.

  In the self-propelled pipe making machine 4, as shown in FIG. 16, the profile 2 is sandwiched between the fitting rollers 4b, and the flexible mandrel 4c is movable and retracted along the guide frame 4a. Moreover, as shown in FIG. 17, the self-propelled pipe making machine 4 continuously fits the main lock male part 2a on one side of the retracted profile 2 into the main lock female part 2b on the other side. The tubular rehabilitation pipe 3 is formed while being joined.

  When molding of the rehabilitating tube 3 is finished, as shown in FIG. 18, the rehabilitating tube 3 is held in shape by bringing the inner surface of the rehabilitating tube 3 into contact with the support frame 8 attached to the outer peripheral surface of the annular support frame 7. Further, the jack 9 is used to fix the existing pipe 1. Then, for example, the backfilling material 10 is injected into the gap between the molded rehabilitation pipe 3 and the existing pipe 1 and cured, and the existing pipe 1 and the rehabilitation pipe 3 are integrated to complete the rehabilitation.

  By the way, when the inside of the existing pipe 1 is remarkably aged, even if the above-mentioned rehabilitation pipe 3 is attached, a predetermined strength is not exhibited, and a reinforcing material is separately loaded into the existing pipe 1 before correction. Repair is required.

For this purpose, as shown in FIG. 17, ribs 2 c and 2 c having a T-shaped cross section are continuously formed on the outer peripheral surface of the profile 2 forming the rehabilitation pipe 3, and the W-shaped cross section extending along the profile 2 is formed. A configuration in which the reinforcing member main body 11 is held between the ribs 2c and 2c and a reinforcing bar 12 is integrally provided in the middle of the reinforcing member main body 11 is conceivable (for example, see Patent Document 1).
JP-A-10-166444

  However, since the cross section of the reinforcing member main body 11 is formed in a W shape, the reinforcing member main body 11 is formed into a spiral shape smoothly and quickly along the profile 2 integrally with the reinforcing bar 12, and the T-shaped rib 2c, It was not easy to quickly support between 2c.

  Therefore, the present invention provides a rehabilitating pipe for repairing an existing pipe provided with a reinforcing bar support that quickly supports the reinforcing bar, which can reduce the labor and cost of repairing an aged part of the existing pipe before the rehabilitation pipe is installed. The purpose is to do.

  In order to achieve this object, the invention of claim 1 is a rehabilitation pipe for repairing an existing pipe which is formed into a tubular shape by connecting the profiles in a spiral shape and has a rib extending on the outer peripheral surface. In addition, a plurality of reinforcing bar support members are held at intervals in the longitudinal direction of the ribs, and a rehabilitating pipe for repairing an existing pipe in which the plurality of reinforcing bar support members are held with a predetermined length of reinforcing bar extending in the circumferential direction. It is characterized by that.

  The invention according to claim 2 is characterized in that the reinforcing bar support has a leg part that elastically fits to the rib part and a reinforcing bar holding part that elastically fits the reinforcing bar.

  Furthermore, the invention of claim 3 is characterized in that the reinforcing bars are formed in a predetermined length, and a locking member is attached to both ends of the reinforcing bars via turnbuckles so that the position can be adjusted. .

  As described above, according to the first aspect of the present invention, rehabilitation can be performed only by installing a rehabilitation pipe provided with a reinforcing bar support that supports a reinforcing bar in a state where an aging part of the existing pipe is removed. Therefore, it is not necessary to separately load the reinforcing material in advance, and it is safe and the repair period can be shortened and the construction cost can be reduced.

  Moreover, what is necessary is just to make it fit so that it may push in to the appropriate position of the rib part of the profile of a rehabilitation pipe | tube for fitting of a reinforcing bar support. Therefore, after removing the aging part, the reinforcing bar support can be accurately placed facing this part, and appropriate reinforcement can be performed.

  In addition, since an appropriate number of reinforcing bar support tools can be freely mounted at an appropriate position, the reinforcing bar does not move even if a backfill material is injected. Therefore, the backfilling material can be reliably injected and a predetermined strength can be maintained.

  According to the invention of claim 2, since the elastic reinforcing bar holding part and the leg part are provided, it is possible to easily attach the rehabilitation pipe to the profile and fit the reinforcing bar into the reinforcing bar holding part. Therefore, workability is improved and construction costs can be reduced.

  According to invention of Claim 3, since a locking member can be attached to the edge part of a reinforcing bar so that position adjustment is possible, while adjusting the position of the locking member of the edge part of a reinforcing bar to the removal part of the aged part on the spot It can be adjusted to the optimum position. Therefore, it is possible to accurately cover the reinforcing bars of the backfilling material, and to ensure the strength of the entire correction pipe to a predetermined value. Further, only necessary portions can be easily reinforced.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

  FIG. 1 is a perspective view showing a rehabilitated pipe for repairing an existing pipe provided with a reinforcing bar support that supports the reinforcing bar.

  In FIG. 1, reference numeral 20 denotes a rehabilitation pipe provided with a reinforcing bar support, and reference numeral 21 denotes a reinforcing bar support. A reinforcing bar (steel wire) 22 is fitted to the reinforcing bar support 21.

  In addition, hooks 22a are formed as locking portions at both ends of the reinforcing bar 22 by bending in a hook shape. Therefore, the reinforcing bar 22 is easily fixed so as not to be displaced in the concrete when embedded in the concrete.

  The rehabilitation pipe 20 is formed in an oval shape from a profile 23 obtained by extruding a hard resin such as hard vinyl chloride into a strip shape. As shown in FIG. 2, a rib 24 having a T-shaped cross section projecting toward one surface and a locking rib 25 inclined to the side from the rib 24 are formed on one side of the profile 23. . Reference numeral 24 a denotes a protruding portion at the tip of the rib 24. Further, the rib 24 is formed with a main lock female portion (socket portion) 24b whose outer surface bulges in a circular shape and opens to the inner surface of the rehabilitation pipe 20.

  Furthermore, a male portion (rib) 26 for main locking is formed on the other side of the profile 23. Further, ribs 27 and 28 having a T-shaped cross section and projecting to one side are formed in the intermediate portion of the profile 23 in the width direction. Reference numerals 27a and 28a denote protruding portions at the tips of the ribs 27 and 28, respectively.

  In addition, the profile 23 is spirally wound without gaps, and the male part 26 of the profile 23 is continuously fitted to the female part 24b as shown in FIG. The rehabilitation pipe | tube 20 is formed by connecting continuously without making the profile 23 into a pipe shape like FIG.

  Then, the locking rib 25 engages with the protruding portion 28a of the adjacent rib 28 as shown in FIG. 2 so that the male portion 26 does not come off from the female portion 24b.

  Further, a plurality of reinforcing bar support members 21 made of an elastic member are disposed on the upper portion of the outer peripheral surface of the rehabilitation pipe 20 of FIG. 2, the reinforcing bar support 21 is made of an elastic member made of an elastic member made of resin or metal at a predetermined position between the female portion 24b of the profile 23 and the rib 27 (not shown in FIG. 1). Is arranged.

  In FIG. 2, the reinforcing bar support 21 includes a reinforcing bar holding part 21a provided at the upper part and leg parts 21b and 21c connected to lower parts on both sides of the reinforcing bar holding part 21a. The reinforcing bar holding portion 21a is opened obliquely upward toward the tube forming end side, and the cross section is formed in a round shape (the cross section is substantially C-shaped).

  Further, guide portions 21a1 and 21a2 are formed on the open end side of the reinforcing bar holding portion 21a so as to be continuous with each other in order to open the reinforcing bar. The leg portion 21b is formed with a locking portion 21b1 that matches the side shape of the rib 24 formed with the circular female portion 24a, and the leg portion 21c matches the side surface of the T-shaped rib 27. A locking portion 21c1 is formed.

  The reinforcing bar holding portion 21a is opened by elastically deforming the open side by pushing the reinforcing bar 22 into the holding concave portion (holding groove) 21a0 from the guide portions 21a1, 21a2, and the open end when the reinforcing bar 22 is pushed into the holding concave portion 21a0. Is restored to its original state by its own elastic force, and is held so as not to come off the reinforcing bar 22.

  Further, the leg portions 21b and 21c are once bent in a direction approaching each other against the elastic force, disposed between the ribs 24 and 27 of the profile 23, and then released from the external force in the approaching direction. The locking portions 21b1 and 21c1 are locked to the side surfaces of the ribs 24 and 27 by their own elastic force.

  Further, as shown in FIG. 2, a rib collapse prevention member 20a made of metal (for example, steel) having a W-shaped cross section is interposed between the ribs 27 and 28. The rib collapse prevention member 20a may be continuous, or may be disposed between the ribs 27 and 28 at appropriate intervals with an appropriate length.

  Next, a method for repairing the existing pipe 29 using the rehabilitated pipe 20 will be described.

  In FIG. 3, when the upper part of the inner wall surface 29a of the existing pipe 29 is aged, this aged part (not shown) is first removed. Reference numeral 29a denotes an aging removal portion after removing an aging portion (not shown) at the upper part of the inner wall surface 29a of the existing pipe 29.

  Thereafter, in the existing pipe 29, the profile 23 is spirally wound with no gap as shown in FIG. 1, and the male part 26 of the profile 23 is continuously fitted to the female part 24b as shown in FIG. The rehabilitating tube 20 is formed by continuously connecting the end portions in the width direction without gaps and forming the profile 23 into a tubular shape as shown in FIG.

  This pipe making is performed little by little. At this time, the leg portions 21b and 21c of the reinforcing bar holding portion 21a are once bent in a direction approaching each other against the elastic force, and the bent leg portions 21b and 21c are disposed between the ribs 24 and 27 of the profile 23. Thereafter, the external force in the approaching direction to the leg portions 21b and 21c is released, so that the locking portions 21b1 and 21c1 of the leg portions 21b and 21c are locked to the side surfaces of the ribs 24 and 27 by their own elastic force. The reinforcing bar support 21 is engaged with the upper portions of the ribs 24 and 27 at predetermined intervals in the longitudinal direction. In FIG. 1, the reinforcing bar support 21 is disposed at intervals in the left-right direction (circumferential direction) of the upper portion of the outer peripheral surface of the rehabilitated pipe 20.

  Thereafter, the reinforcing bar 22 is pushed into the holding recess (holding groove) 21a0 from the guide portions 21a1, 21a2, whereby the open side of the reinforcing bar holding part 21a is elastically deformed and opened, and the reinforcing bar 22 is pushed into the holding recess 21a0. When the reinforcing bar 22 is pushed into the holding recess 21a0, the open end is restored to its original shape by its own elastic force, and the reinforcing bar 22 is held so as not to come off.

  In this way, when the profile 23 is spirally wound and joined without gaps and is gradually piped, the rebar 22 is attached so as to face the portion corresponding to the aging removal portion 29b. As shown in FIG. 2, the rib collapse preventing member 20a is appropriately interposed between the ribs 27 and 28 during pipe production.

  In this way, the rehabilitated pipe 20 holding the reinforcing bar 22 is formed in the existing pipe 29, and the backfill material 29c is injected between the existing pipe 29 and the rehabilitated pipe 20 to be hardened. It is set as the structure embedded in the material 29a integrally.

  Therefore, the aging lower part of the existing pipe 29 can be reinforced by reinforcing the reinforcing bar 22 simply by injecting the backfilling material 29c and covering the rehabilitating pipe 20 provided with the reinforcing bar supporting part on which the reinforcing bar 22 is supported, without mounting a reinforcing material separately. Can be rehabilitated.

Here, the backfill material 29c is concrete, mortar, resin / concrete or the like, and concrete, mortar, resin / concrete, or the like is appropriately selected and used in accordance with aging of the existing pipe 29.
(Modification 1)
In the embodiment described above, the front shape of the rehabilitation pipe 20 is formed in an oval shape, but is not necessarily limited thereto. For example, the rehabilitation pipe 20 may have a circular front shape as shown in FIG. 4 or may have another shape.

When repairing the circular existing pipe 29 using the rehabilitated pipe 20, the rebar 22 is bent into an arc along the outer peripheral surface of the circular rehabilitated pipe 20, as shown in FIGS. The reinforcing bar 22 bent in an arc shape is attached to the outer peripheral surface of the rehabilitated pipe 20 through the reinforcing bar support 21. This attachment is performed in the same manner as in the above-described embodiment. Configurations and construction methods other than this configuration are the same as those in the above-described embodiment.
(Modification 2)
FIG. 6 is a view in which the height of the reinforcing bar support 21 made of an elastic member shown in FIG. 2 is lowered. The reinforcing bar support 21 has a reinforcing bar holding part 21Aa that is open upward, and a pair of leg parts 21Ab and 21Ab that are continuously provided in an eight-letter shape at the bottom of the reinforcing bar holding part 21Aa. At the lower ends of the leg portions 21Ab and 21Ab, a holding groove hm that opens to the opposite side is formed.

According to this configuration, it can be used and effective when the position of the reinforcing bar 22 needs to be lowered.
(Modification 3)
FIG. 7 is an exploded explanatory view showing another example of the end portion of the reinforcing bar 22 according to the embodiment.

  In the present embodiment, an example in which a male screw portion 22b is provided at an end portion of the reinforcing bar 22 and a male screw portion 31a of a short reinforcing bar (locking member) 31 is connected to the male screw portion 22b via a turnbuckle 30. It is shown. Moreover, hooks 31b are formed as locking portions on the reinforcing bars 31. The male screw portions 22b and 31a are reverse screws.

  Therefore, by rotating the turnbuckle 30, the position of the hook 31b can be adjusted, and at the same time, the work of bending the end portion on site to form the hook portion 22a that is easily corroded by residual stress is eliminated, and the accuracy is also produced. Also improves.

(Modification 4)
FIG. 8 is an exploded explanatory view showing still another example of the end portion of the reinforcing bar 22 according to the embodiment.

  In the present embodiment, instead of the turnbuckle 30 and the reinforcing bar 31 of FIG. 7, an annular reinforcing bar 32 in which a nut part 32 a is integrally formed is prepared as a locking member, and this nut part 32 a is used as the male screw part 22 b of the reinforcing bar 22. An example is shown in which the position of the end of the annular reinforcing bar 32 can be adjusted by screwing.

(Modification 5)
Moreover, it replaces with the reinforcing bar support 21 mentioned above, and uses the reinforcing bar support tool 40 as shown in FIGS. 9-12, and hold | maintains the reinforcing bar (steel wire) 22 with this reinforcing bar support tool (iron wire fixing jig) 40. You can also.

  As shown in FIG. 11, the reinforcing bar support 40 includes a bottom plate portion 40a that abuts against the profile 23, side plate portions 40b and 40c that are erected along the ribs 27 and 28 from both sides of the bottom plate portion 40a, and a side plate. Inclined plate portions 40d and 40e that are inclined from the upper ends of the portions 40b and 40c so as to approach each other and engage with the protruding portions 27a and 28a of the ribs 27 and 28, and extend upward from the upper ends of the inclined plate portions 40a and 40e. Center support plate portions 40f and 40g that are made to have, and plate-like holding portions (rebar holding portions) 40h and 40i that are bent in a U-shape with respect to each other at the upper ends of the center support plate portions 40f and 40g. .

  The reinforcing bar 22 is held between the holding portions 40h and 40i. Each plate part 40a-40i has elasticity. The inclined plate portions 40d and 40e are engaged with the protruding portions 27a and 28a by their own elastic force, and the holding portions 40h and 40i hold the rebar 22 by their own elastic force. In addition, the plate portions 40 a to 40 g constitute leg portions 41 that are elastically fitted to the ribs 27 and 28.

  Further, as shown in FIG. 10, in the reinforcing bar support 40, the protruding height H from the upper end surface of the protruding portions 27 a and 28 a of the ribs 27 and 28 is set to 1 to 5 times the diameter D of the reinforcing bar (steel wire) 22. Has been.

  Such a reinforcing bar support (iron wire fixing jig) 40 is disposed between the ribs 27 and 28 at intervals of 50 mm to 200 mm. The reinforcing bar support (iron wire fixing jig) 40 may be formed by bending a steel plate, may be formed by injection molding a thermoplastic resin, or may be formed by extruding a thermoplastic resin. You may form by doing.

(Modification 6)
Further, instead of the reinforcing bar support 21 described above, a reinforcing bar support 50 as shown in FIGS. 13 and 14 may be used to hold the reinforcing bar (steel wire) 22 by the reinforcing bar support (iron wire fixing jig) 50. it can.

  As shown in FIG. 13, the reinforcing bar support 50 is inclined toward the bottom plate portion 50a contacting the profile 23 and the base portions of the protruding portions 27a and 28a of the ribs 27 and 28 from both sides of the bottom plate portion 50a. Inclined plate portions 50b and 50c whose tips (upper ends) engage with the base portion, a central plate portion 50d erected upward from the center of the bottom plate portion 50a, and provided at the upper ends of the central plate portion 50d and connected to each other. It has plate-like holding portions 50e and 50f bent in a letter shape.

  The reinforcing bars 22 are held between the holding portions 50e and 50f. The inclined plate portions 50b and 50c and the holding portions 50e and 50f have elasticity, and the inclined plate portions 50b and 50c are engaged with the base portions of the projecting portions 27a and 28a by their own elastic force, respectively, and the holding portions 50e and 50f. Holds the rebar 22 by its own elastic force. In addition, the leg portions 51 that are elastically fitted to the plate portions 50a to 50d ribs 27 and 28 are configured.

  Further, in the reinforcing bar support 50, similarly to the reinforcing bar support 40, the protruding height H from the upper end surfaces of the protruding portions 27 a and 28 a of the ribs 27 and 28 is set to 1 to 5 times the diameter D of the reinforcing bar (rebar wire) 22. Has been.

  Such a reinforcing bar support (iron wire fixing jig) 50 is also disposed between the ribs 27 and 28 at an interval of 50 mm to 200 mm, similarly to the reinforcing bar support 40. Further, the reinforcing bar support (iron wire fixing jig) 50 may be formed of an iron plate, may be formed by injection molding of a thermoplastic resin, or may be formed by extrusion molding of a thermoplastic resin. May be.

  As described above, the rehabilitation tube 20 according to the embodiment of the present invention is formed into a tubular shape by continuously connecting the profile 23 in a spiral shape, and the ribs (24 to 28) extending in a spiral shape on the outer peripheral surface. Is formed. Further, the plurality of reinforcing bar supports (21, 40, 50) are held at intervals in the longitudinal direction of the ribs (24, 27 or 27, 28), and the plurality of reinforcing bar supports (21, 40, 50) are held. A reinforcing bar 22 having a predetermined length extending in the circumferential direction is held.

  According to this configuration, the rehabilitation of the existing pipe 29 can be performed only by installing the rehabilitation pipe 20 provided with the reinforcing bar support (21, 40, 50) supporting the rebar 22 in a state where the aging portion of the existing pipe 29 is removed. Can do. Therefore, it is not necessary to separately load the reinforcing material in advance, and it is safe and the repair period can be shortened and the construction cost can be reduced.

  Moreover, what is necessary is just to make it fit so that it may push in to the appropriate position of the rib part (24-28) of the profile 23 of the rehabilitation pipe | tube 20 for the reinforcement | strengthening of the reinforcing bar support (21, 40, 50). Therefore, after removing the aging part, the reinforcing bar support (21, 40, 50) can be accurately placed facing this part, and appropriate reinforcement can be performed.

  In addition, since the appropriate number of reinforcing bar supports (21, 40, 50) can be freely mounted at appropriate positions, the reinforcing bars do not move even if the backfill material is injected. Therefore, the backfilling material can be reliably injected and a predetermined strength can be maintained.

  In the embodiment of the present invention, the reinforcing bar support (21, 40, 50) is a leg (21b, 21c or 21Ab, which is elastically fitted to the rib (24, 27 or 27, 28). 21Ab or 41, 51) and a reinforcing bar holding portion (21a, 21Aa) for elastically fitting the reinforcing bar 22.

  According to this configuration, since the elastic reinforcing bar holding part (21a, 21Aa) and the leg part (21b, 21c or 21Ab, 21Ab or 41, 51) are provided, the rehabilitation pipe 20 is attached to the profile 23 in the reinforcing bar. The fitting to the 22 reinforcing bar holding portions (21a, 21Aa or 40h, 40i or 50e, 50f) can be easily performed by simply pushing. Therefore, workability is improved and construction costs can be reduced.

  Furthermore, in the rehabilitation pipe 20 according to the embodiment of the present invention, the reinforcing bars 22 are formed to have a predetermined length, and locking members (hooks 31b) are provided at both ends of the reinforcing bars 22 via turnbuckles 30. A rebar 31 or an annular rebar 32 in which a nut portion 32a is integrally formed is attached so that its position can be adjusted.

  According to this configuration, since the locking member can be attached to the end of the reinforcing bar 22 so that the position can be adjusted, the locking member (31, 32) at the end of the reinforcing bar 22 can be used as a removal portion of the part whose position has been aged. It can be adjusted to the optimal position while matching on-site. Therefore, it is possible to accurately cover the reinforcing bars 22 of the backfilling material, and to ensure the strength of the entire correction pipe 20 to a predetermined value. Further, only necessary portions can be easily reinforced.

It is a perspective view which shows the correction pipe provided with the reinforcing bar support tool which supports the reinforcing bar which concerns on embodiment of this invention. It is a principal part end view of FIG. 1 which shows the reinforcing bar support with which the profile which concerns on the same embodiment was mounted | worn. It is explanatory drawing which shows the state which installed the renovated pipe | tube of FIG. 1 in the existing pipe | tube. It is a perspective view which shows the other correction pipe provided with the reinforcing bar support tool which supports the reinforcing bar which concerns on embodiment of this invention. It is explanatory drawing which shows the state which installed the renovated pipe | tube of FIG. 4 in the existing pipe | tube. It is a principal part end view which shows the other example of a reinforcing bar support. It is decomposition | disassembly explanatory drawing which shows the modification of a reinforcing bar edge part. It is decomposition | disassembly explanatory drawing which shows the other modification of a reinforcing bar edge part. It is decomposition | disassembly explanatory drawing which shows the other modification of a reinforcing bar edge part. It is sectional drawing which follows the A1-A1 line | wire of FIG. It is the elements on larger scale of FIG. It is sectional drawing which follows the A2-A2 line | wire of FIG. It is decomposition | disassembly explanatory drawing which shows the other modification of a reinforcing bar edge part. It is the elements on larger scale of FIG. It is explanatory drawing which shows the state which manufactures a renovated pipe in the conventional existing pipe. It is S arrow figure of FIG. It is sectional drawing which shows the T section of FIG. It is sectional drawing which shows the state which installed the conventional renovated pipe in the existing pipe.

Explanation of symbols

20 ... Rehabilitation pipe 21 ... Reinforcing bar support 21b, 21c ... Leg part 21Ab, 21Ab ... Leg part 21a, 21Aa ... (rebar holding part)
22 ... Reinforcing bar 23 ... Profile 24-27 ... Rib 29 ... Existing pipe 30 ... Turnbuckle 31b ... Hook (locking part)
31 ... Reinforcing bars (locking members)
32 ... Annular rebar (locking member)
40 ... Reinforcing bar support tools 40h, 40i ... Holding part (rebar holding part)
41 ... Leg part 50 ... Reinforcing bar support 50e, 40f ... Holding part (rebar holding part)
51. Legs

Claims (3)

A rehabilitating pipe for repairing an existing pipe which is formed into a tubular shape by connecting the profiles in a spiral shape, and a rib extending in a spiral shape is formed on the outer peripheral surface,
A rehabilitating pipe for repairing an existing pipe, wherein a plurality of reinforcing bar support members are held at intervals in the longitudinal direction of the ribs and a predetermined length of reinforcing bar is held in the plurality of reinforcing bar support members in a circumferential direction. .   The rehabilitating pipe for repairing an existing pipe according to claim 1, wherein the reinforcing bar support has a leg part elastically fitting to the rib part and a reinforcing bar holding part elastically fitting the reinforcing bar. . 2. The existing pipe repair according to claim 1, wherein the reinforcing bar is formed to a predetermined length, and a locking member is attached to both ends of the reinforcing bar via a turnbuckle so that the position can be adjusted. Rehabilitation pipe.

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