JP5557881B2 - Curing water recovery device and curing water recovery method - Google Patents

Description

  The present invention relates to a curing water recovery apparatus and a curing water recovery method.

  As a curing device for curing the lining concrete placed on the inner wall surface of the arch-shaped tunnel, for example, as disclosed in Patent Document 1, a mist-like space is formed in the space between the sheet material and the lining concrete. The thing which sprays water and cures is proposed.

JP 2012-46986 A

  By the way, when curing the lining concrete by spraying water, as a result of increasing the spray amount to perform sufficient curing, excess water falls along the inner wall surface of the lining concrete and falls to the roadbed, Problems such as accumulated water hindering the traffic of workers and work machines occur.

  The present invention solves the above-mentioned problems, can prevent excess curing water from falling on the roadbed along the inner wall of the lining concrete, and reuses the recovered curing water. It is intended to provide a curing water recovery device and a curing water recovery method that are extremely practical and can be used.

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

  A curing water recovery device for recovering curing water used when curing the lining concrete 1 placed on the inner wall surface of the tunnel, and receiving the aging water 2 falling along the inner wall surface of the lining concrete 1 3 and a locking member 4 for locking the flange member 3 to the inner wall surface of the lining concrete 1. The locking member 4 is a locked member provided on the inner wall surface of the lining concrete 1. The present invention relates to a curing water recovery apparatus having a locking portion 7 that locks to 6 and a support portion 8 that supports the eaves member 3.

  The curing water recovery apparatus according to claim 1, wherein the dredging member 3 is provided with the curing water 2 that contacts the inner wall surface of the lining concrete 1 and falls along the inner wall surface of the lining concrete 1. The present invention relates to a curing water recovery apparatus characterized in that a guide introduction part 5 for introducing a guide into the eaves member 3 is provided.

  Further, in the curing water recovery apparatus according to any one of claims 1 and 2, the dredging member 3 is cured on the left and right inner wall surfaces of the lining concrete 1 respectively on one end side or the other end side in the tunnel longitudinal direction. The present invention relates to a curing water recovery device in which a plurality of water 2 are arranged side by side in the tunnel longitudinal direction.

  Moreover, the curing water collection | recovery apparatus of Claim 3 WHEREIN: The said dredging member 3 concerns on the curing water collection | recovery apparatus characterized by being provided so that it may incline in the tunnel longitudinal direction one end side or other end side. .

  Moreover, the curing water collection | recovery apparatus of any one of Claims 3 and 4 WHEREIN: These several eaves members 3 are connected through the connection member 9, This connection member 9 is the said eaves member 3's. A curing water collecting apparatus comprising: a communication member 10 that is superposed on the back surface side and that allows adjacent ridge members 3 to communicate with each other; and a fixing member 11 that fixes the communication member 10 to the ridge member 3. It is related to.

  Further, in the curing water collecting apparatus according to claim 5, the communication member 10 is disposed between the base portion 33 superposed on the back side between the adjacent heel members 3 and the adjacent heel members 3. Curing water characterized by comprising a loop-shaped or hook-shaped protrusion 15 and the fixing member 11 being a wedge member inserted into the protrusion 15 on the surface side between the adjacent flange members 3 This relates to the recovery device.

  Moreover, the curing water collection | recovery apparatus of any one of Claims 1-6 WHEREIN: As for the said locking member 4, the said latching | locking part 7 was provided in the upper end side, and the said support part 8 was provided in the lower end side. Thus, the present invention relates to a curing water recovery device, which is configured in a hook shape that is suspended and locked to the locked member 6.

  Further, in the curing water recovery apparatus according to claim 7, the locking member 4 is configured so that the hanging height of the heel member 3 and the support angle of the heel member 3 can be varied. This relates to a curing water recovery device.

  Moreover, the curing water collection | recovery apparatus of any one of Claims 1-8 WHEREIN: The collection | recovery mechanism which collect | recovers the said curing water 2 gathered in the said dredging member 3 is provided, The curing water collection | recovery apparatus characterized by the above-mentioned. It is related to.

  Moreover, the curing water collection | recovery apparatus of any one of Claims 1-9 WHEREIN: On the inner wall surface of the said lining concrete 1, the curing apparatus 12 which supplies the curing water 2 to the said lining concrete 1 is a tunnel longitudinal direction. Rails 13 are provided for movement, and the locked member 6 is a horizontal member built on a support member 14 for supporting the rails 13. is there.

  In addition, the locking portion 7 of the locking member 4 in the curing water recovery apparatus according to any one of claims 1 to 10 is locked to the locked member 6 and the support portion of the locking member 4 8 is used to support the eaves member 3 and a plurality of eaves members 3 are provided in the longitudinal direction of the tunnel, and then the curing water 2 is supplied to the lining concrete 1 by the curing device 12 that moves in the tunnel. The present invention relates to a curing water recovery method characterized in that the curing water 2 transmitted along the inner wall surface of the concrete 1 is collected using the dredging member 3.

  Since the present invention is configured as described above, it is possible to prevent excess curing water from falling on the roadbed along the inner wall surface of the lining concrete, and it is also possible to reuse the recovered curing water. It becomes the curing water collection | recovery apparatus and curing water collection | recovery method excellent in practicality.

It is a description cross-sectional view of a present Example. It is an expansion explanatory perspective view of the principal part of a present Example. It is an expanded description cross-sectional view of the principal part of a present Example. It is a disassembled explanatory perspective view of the connection member of a present Example. It is a schematic explanatory perspective view of the connection member of a present Example. It is a schematic explanatory drawing of the collection | recovery mechanism of a present Example.

  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.

  By providing the dredge member 3 on the inner wall surface of the lining concrete 1, the drowning water 2 that falls along the inner wall surface of the lining concrete 1 is dropped even when the amount of the curing water 2 supplied by the curing device is excessive. 3 can be recovered. At this time, for example, when the guide introduction part 5 that comes into contact with the inner wall surface of the lining concrete 1 is provided, the curing water 2 can be satisfactorily introduced into the eaves member 3.

  Further, the anchor member 3 can be easily attached to the inner wall surface of the lining concrete 1 using the locking member 4. For example, the locking portion 7 of the locking member 4 is locked to the locked member 6, and the flange member 3 is supported on the support portion 8 of the locking member 4, and the flange member 3 is covered by the guide introduction portion 5. By providing a plurality in the longitudinal direction of the tunnel (in contact with the inner wall surface of the engineered concrete 1), the curing water 2 supplied by the curing device 12 moving in the tunnel and falling along the inner wall surface of the lining concrete 1 is dropped. This trough member 3 can easily and well collect, collect and reuse water.

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

  The present embodiment is a curing water recovery device for recovering curing water used when curing the lining concrete 1 placed on the inner wall surface of the tunnel, and falls along the inner wall surface of the lining concrete 1 during curing. And a retaining member 4 for retaining the retaining member 3 on the inner wall surface of the lining concrete 1. The retaining member 3 includes an inner member of the lining concrete 1. A guide introduction part 5 is provided for guiding the curing water 2 that comes in contact with the wall surface and falls along the inner wall surface of the lining concrete 1 into the dredge member 3, and the locking member 4 is connected to the lining material. This is a curing water recovery device having a locking part 7 that locks to a locked member 6 provided on the inner wall surface of concrete 1 and a support part 8 that supports the gutter member 3.

  Specifically, as shown in FIG. 1, the present embodiment includes a curing water supply mechanism that sprays or sprinkles curing water 2, a pedestal 17 provided at an interval from the inner wall surface of the lining concrete, It consists of a pair of rails 13 that are respectively provided on the left and right opposing inner wall surfaces of the lining concrete 1 and extend in the longitudinal direction of the tunnel, and the mount 17 has a water shielding property to form a space between the lining concrete inner wall surfaces. A case will be described in which a sheet material 18 is provided and a curing device 12 in which a traveling unit 19 (wheel) capable of traveling on the rail 13 is provided on the mount 17 is used. Reference numeral 20 in the figure denotes a spray port.

  That is, the curing device 12 used in this embodiment is a predetermined section (for example, one day) that is placed at a time by a lining formwork for placing the arched lining concrete 1 and exposed by the forward movement of the lining formwork. The base plate 17 is provided with a sheet material 18 at the rear of the lining mold so as to face the surface of the lining concrete 1). Curing is performed while moving along with the movement of the work formwork, and as the surface section of the lining concrete 1 that requires hardening by placing and moving forward with the lining formwork increases, The units are connected to each other in units of approximately 10 m), or the target section is gradually cured by repeating forward and backward movements with one stand.

  Each part will be specifically described.

  As the eaves member 3, a metal L-shaped section (angle material) as shown in FIGS. A rubber sheet (guide introduction part 5) having a thickness of several millimeters is projected on the inner surface of one side of the lining member 3 on the inner wall surface side of the lining member so as to protrude toward the inner wall surface side of the lining concrete. Affixed over the entire length.

  A plurality of the eaves members 3 are juxtaposed along the tunnel longitudinal direction so as to collect the curing water 2 on one side or the other side of the tunnel longitudinal direction on the left and right inner wall surfaces of the lining concrete 1, respectively. That is, when the tunnel bottom (base) is inclined downward or upward toward one end (or the other end) in the tunnel longitudinal direction, the tunnel bottom gathers in either direction even if it is provided so as to be horizontal with the tunnel bottom. It will be. Further, when the tunnel bottom surface is horizontal, the flange member 3 is moved relative to the tunnel bottom surface so as to gather at one end side or the other end side (by adjusting the locking member 4 or by tilting a horizontal member described later). Provided with an appropriate inclination.

  The plurality of eaves members 3 are connected to each other through a connecting member 9. As shown in FIGS. 4 and 5, the connecting member 9 is formed in a plate shape having an L-shaped cross-sectional view, which is superposed on the back surface side of the eaves member 3 and connects adjacent eaves members 3 (water passage portions thereof). The communication member 10 and a fixing member 11 for fixing the communication member 10 to the flange member 3 are configured.

  In the present embodiment, the communication member 10 includes a base 33 that is superposed on the back side between the adjacent flange members 3 and a loop-shaped or hook-shaped protrusion disposed between the adjacent flange members 3. The fixing member 11 is inserted into the protrusion 15 on the surface side between the adjacent flange members 3 (the flange member 3 in which the protrusion 15 and the communication member 10 are superposed on the back surface side. Of the wedge member (press-fitted between the mutually facing surfaces). In other words, the protrusion 15 is a loop-like or hook-shaped passage protrusion 15 that can protrude through the gap between the adjacent flange members 3 (in this embodiment, a loop-shaped member is used). Reference numeral 16 in the drawing is a rubber sheet for improving the adhesion with the back surface of the eaves member 3 and preventing leakage of the curing water 2.

  In addition, in the present Example, although the connection member 9 of the said structure is employ | adopted, you may employ | adopt other structures, such as the structure which connects the collar members 3 directly with a volt | bolt, for example.

  The locking member 4 is configured in a hook shape that is suspended and locked to the locked member 6 in which the locking portion 7 is provided on the upper end side and the support portion 8 is provided on the lower end side. .

  The locking member 4 is configured such that the height of the hook member 3 suspended from the locked member 6 and the support angle of the hook member 3 can be varied. That is, the locking member 4 is formed in a substantially U-shape by bending the upper end side of a metal elongated plate material to form a locking portion 7, and the lower end side is bent in a substantially U-shape to form a support portion 8. doing. The support portion 8 is formed by bending the bottom side of the flange member 3 formed by bending a portion closer to the lower end side by approximately 90 °, and by bending the upper portion of the fitting portion 21 by approximately 120 °. It is comprised by the support angle prescription | regulation part 22 which prescribes | regulates the support angle of the collar member 3 supported by this fitting part 21 formed in a fitting state. Therefore, it is possible to appropriately adjust and set the folding length (hanging height) of the locking portion 7 and the opening angle of the support angle defining portion 22 of the support portion 8 (the closeness of the guide introduction portion 5).

  A recovery mechanism for recovering the curing water 2 collected by the dredging member 3 is provided at the downstream end of the plurality of dredging members 3. As shown in FIG. 6, the recovery mechanism of the present embodiment includes a water storage tank 23, a water collection guide introduction unit 24 that guides the curing water 2 to the water storage tank 23, and a recycle that performs processing for reuse. It consists of a pump that feeds water to the user department. Only one water collecting guide introduction part 24 (recovery mechanism) may be provided for all the eaves members 3, or as a configuration (a configuration provided in plural) provided at the downstream end of every predetermined number of eaves members 3. good. Further, the water collection guide introducing portion 24 is connected to the gutter member 3 using the connecting member 9. Reference numeral 25 in the figure denotes a hose having one end connected to the drain 26 of the water collection guide introduction part 24 and draining from the other end to the water storage tank 23.

  In addition, the locked member 6 is mounted on a support member 14 for supporting a rail 13 for moving a curing device 12 for supplying the curing water 2 to the lining concrete 1 and curing it in the longitudinal direction of the tunnel. It is a member (metal pipe).

  In this embodiment, at the time of placing the lining concrete 1 as the support member 14, at least a part of the lining concrete 1 is embedded in the left and right opposing inner wall surfaces of the lining concrete 1 (provided with the lining concrete 1). A rail support (rail bracket) that is attached to the mounting bolt 27 (stud bolt) using a nut 28 or the like is employed. The rail 13 is fixed by using a bolt 30 and a nut 31 through which a long window provided in the insertion hole on the bottom surface of the rail 13 and the horizontal upper surface of the rail support is inserted.

  In the present embodiment, a plurality of mounting bolts 27 are juxtaposed at predetermined intervals in the tunnel longitudinal direction, and the mounting bolts 27 are positioned at predetermined height positions so that the rail 13 can be supported in parallel with the tunnel longitudinal gradient by the rail support. It is provided when placing the lining concrete 1 so as to be (position at the same height from the bottom of the tunnel).

  In this rail support, an insertion opening 29 for inserting and supporting the horizontal member is formed, and the rail support is horizontally extended through this insertion opening 29 (further fixed using a wire or the like), One or more are arranged in the tunnel longitudinal direction. The horizontal member is usually arranged in parallel (horizontal) with the bottom surface of the tunnel by the rail support provided in parallel with the tunnel longitudinal gradient as described above, but the rail support is gradually inclined in the longitudinal direction of the tunnel. Alternatively, the insertion opening 29 (the horizontal member support portion 32) may be provided so as to be inclined with respect to the tunnel bottom by, for example, being provided so as to be gradually inclined in the tunnel longitudinal direction. Thus, since the present Example is the structure which suspends the latching member 4 to this using the rail support tool which supports the rail 13 for moving the said curing apparatus 12, it does not survey. The eaves member 3 can be easily installed.

  Therefore, in this embodiment, after the locking portion 7 of the locking member 4 is hooked and locked to the locked member 6, the hook member 3 is supported on the support portion 8 (before the locking portion 7 is hooked and locked). The support member 8 may support the eaves member 3.) The degree of adhesion of the guide introduction portion 5 is appropriately corrected, and this is repeated to arrange a plurality of eaves members 3 in parallel, and a recovery mechanism is provided at the downstream end. Thus, the curing water 2 supplied by the curing device 12 moving in the tunnel and falling along the inner wall surface of the lining concrete can be collected and reused using the dredging member 3.

  Since the present embodiment is configured as described above, the pedestal is moved to the curing target portion of the lining concrete 1 placed by the lining formwork, and the space between the sheet material and the lining concrete inner wall surface, When curing the part by spraying mist water with the curing water supply mechanism, the curing water 2 that falls along the inner wall surface of the lining concrete can be recovered by the eaves member 3 through the guide introduction part 5. it can.

  Further, the anchor member 3 can be attached to the inner wall surface of the lining concrete very easily by using a horizontal member that is constructed using the support member 14 that supports the rail of the curing device 12. Can do.

  Accordingly, the locking portion 7 of the locking member 4 is locked to the horizontal member as the locked member 6 and the support member 8 of the locking member 4 is supported by the support member 8, and the guide member 3 is introduced into the guide. By providing a plurality of portions 5 along the tunnel longitudinal direction so as to come into contact with the inner wall surface of the lining concrete, the curing water 2 supplied by the curing device 12 moving in the tunnel and falling along the inner wall surface of the tunnel Water can be collected using the member 3 and can be easily collected and reused.

  Moreover, since the present Example is the structure which arrange | positions the heel member 3 previously separately from the curing apparatus 12, there exist the following effects.

  The member is lightweight and easy to install. Further, by separating from the curing device 12, the curing device 12 can be reduced in weight, a simple rail can be adopted, the rail bracket and the rail can be reduced in weight, and the burden on the worker can be reduced. Moreover, the burden on the concrete immediately after placing can be reduced.

  Also, because it is separated from the curing device 12, it is installed at the lower part of the tunnel cross section (by the locking member 4), so the lining surface can be sprinkled over a wide range (excess water flowing to the recovery tank can also be cured by wetting the lining surface) Become.).

  Moreover, it can be attached when the inner wall surface of the lining concrete has irregularities, and can be easily attached even if the cross-sectional shape changes. Moreover, since the some collar member 3 is used, it can install in a curved part accurately.

  Moreover, the obstacle by rubbing of the concrete surface can be minimized by fixing and installing in advance on the inner wall surface of the lining concrete.

  In addition, since the water storage tank and the water pump can be set in place, it is easy to supply water, and it is easy to add a heater, a filter, and the like, so that good curing is possible.

  Therefore, this embodiment can prevent the excessive curing water from falling on the roadbed along the inner wall surface of the lining concrete, and can be reused. It will be.

DESCRIPTION OF SYMBOLS 1 Covering concrete 2 Curing water 3 Claw member 4 Locking member 5 Guide introduction part 6 Locked member 7 Locking part 8 Supporting part 9 Connecting member
10 Communicating member
11 Fixed member
12 Curing equipment
13 rails
14 Bearing members
15 Protrusion
33 Base

Claims (11)

  A curing water recovery device for recovering curing water used when curing lining concrete placed on the inner wall surface of a tunnel, and a dredging member that receives the aging water falling along the inner wall surface of the lining concrete, A locking member that locks the heel member to the inner wall surface of the lining concrete, and the locking member includes a locking portion that locks to a locked member provided on the inner wall surface of the lining concrete; A curing water recovery device having a support portion for supporting the heel member.   2. The curing water recovery apparatus according to claim 1, wherein the dredging member guides the curing water falling in contact with the inner wall surface of the lining concrete and falling along the inner wall surface of the lining concrete into the dredging member. A curing water recovery device, characterized in that a guide introduction part to be introduced is provided.   The curing water recovery apparatus according to claim 1, wherein the dredging member collects curing water on one side or the other side in the longitudinal direction of the tunnel, respectively, on the left and right inner wall surfaces of the lining concrete. A plurality of curing water recovery devices, which are arranged in parallel in the tunnel longitudinal direction.   The curing water collection | recovery apparatus of Claim 3 WHEREIN: The said dredging member is provided so that it may incline in the tunnel longitudinal direction one end side or the other end side, The curing water collection apparatus characterized by the above-mentioned.   5. The curing water recovery apparatus according to claim 3, wherein the plurality of eaves members are connected to each other via a connection member, and the connection members are superposed on the back side of the eaves member. A curing water collecting apparatus comprising: a communication member that allows adjacent ridge members to communicate with each other; and a fixing member that fixes the communication member to the heel member.   6. The curing water recovery apparatus according to claim 5, wherein the communication member has a base portion that is superposed on the back side between the adjacent ridge members, and a loop shape or a ridge shape disposed between the adjacent ridge members. A curing water recovery apparatus comprising: a protruding portion, wherein the fixing member is a wedge member inserted into the protruding portion on the surface side between the adjacent flange members.   In the curing water collection | recovery apparatus of any one of Claims 1-6, the said latching member is provided with the said latching | locking part in the upper end side, and provided the said support part in the lower end side, The said engagement member A curing water recovery device characterized in that it is configured in a hook shape suspended and locked to a stop member.   8. The curing water recovery apparatus according to claim 7, wherein the locking member is configured so that a suspended height of the heel member and a support angle of the heel member can be varied. .   The curing water collection | recovery apparatus of any one of Claims 1-8 WHEREIN: The collection | recovery mechanism which collect | recovers the said curing water collected on the said ridge member is provided, The curing water collection | recovery apparatus characterized by the above-mentioned.   The curing water collection | recovery apparatus of any one of Claims 1-9 WHEREIN: The rail for moving the curing apparatus which supplies curing water to the said lining concrete to a tunnel longitudinal direction on the inner wall surface of the said lining concrete And the to-be-latched member is a horizontal member that is installed on a support member that supports the rail.   11. The locking portion of the locking member in the curing water recovery apparatus according to claim 1 is locked to the locked member, and the hook member is supported by a support portion of the locking member. After the plurality of dredging members are provided in the longitudinal direction of the tunnel, curing water is supplied to the lining concrete by a curing device that moves in the tunnel, and the curing water that is transmitted along the inner wall surface of the lining concrete is supplied to the dredging member. A method for recovering cured water, characterized in that the recovery is performed using a water.

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