KR102170561B1 - Eco-friendly open-type electric power line river crossing method using pipeline protection PC culvert - Google Patents

Abstract

An objective of the present invention is to shorten construction periods. According to an embodiment of the present invention, an eco-friendly excavation-type power line river crossing method using a line protection PC culvert to install a new cable comprises: a preliminary preparation step including a PC culvert manufacturing step and an obstruction investigation and agreement step; a preliminary construction step including a construction sign and safety facility installation step, a walking and bicycle road detour bridge installation step, a pollution prevention film installation step, a construction way installation step, and a cofferdam installation step; a PC culvert installation step including an earth-retaining temporary facility assembly and installation step, a bed excavation step, a bottom leveling step, a foundation sand laying step, a lower culvert installation step, a steel strand tension step, an anchor groove mortar filling step, a wire pipe installation step, a spacer installation step, a sand laying and compacting step, a spacer removal step, an upper culvert installation step, a backfilling step, an earth-retaining temporary facility removal step, and a remaining soil discharge step; a cable installation step including a conduction test step and a step of installing a new cable; and a finishing step including a river original state restoration step and an equipment and tool discharge step.

Description

Eco-friendly open-type electric power line river crossing method using pipeline protection PC culvert}

The present invention relates to a river crossing method for an eco-friendly open and close power pipe using a pipeline protection PC culvert, and more particularly, to an eco-friendly open and close power pipe crossing method using a pipe protection PC culvert, which is easy to install, repair and expand. .

In general, when burying a pipeline that crosses a river or a submarine pipeline, select a low-depth area, and bury the ground floor or river floor extensively (cracking method), or using a sheet pile method. You are choosing.

At this time, there is a problem in that a wide range of environmental destruction occurs in the open-ended method and sheet pile method. In other words, in order to protect the pipeline from typhoons, tsunamis and dredging equipment when the pipelines crossing rivers and submarine pipelines are buried, the pipelines must be buried at a certain depth or more. Because it is done by damaging the system, it destroys the ecosystem and causes serious environmental problems.

On the other hand, the non-cracking excavation method is a construction method of making a tunnel underground without directly excavating a road, such as "Korea Patent Registration No. 10-1436816 (2014.08.27)". Such non-cracking excavation method is commonly known as the H.D.D method (Horizontal Directional Drilling method), and this method is recognized to be superior to other methods in reducing social cost and securing safety.

However, due to the nature of this directional press-in method, there is also a problem of serious environmental damage and contamination of the surrounding environment due to a large amount of bentonite sludge (clay, residual soil, foreign substances, etc., which are mixed with the bentonite mixture during excavation), which occurs in the excavation process. B. Holes are not formed in the gravel layer, and the process is not easy in the rock section, so it takes a lot of time, and there is also a problem that it does not exhibit superior constructability compared to the open-ended type.

The present invention has been conceived to solve the above problems, and an object of the present invention is to provide an eco-friendly open and close power pipe cross-river method using a pipe protection PC culvert capable of shortening the time.

In addition, the river crossing method is provided by using a pipeline protection PC culvert that can bury the pipeline without damaging the slope, and the eco-friendly cracking type power pipeline using a pipeline protection PC culvert with excellent workability and economy. Is to provide.

In addition, it is to provide an eco-friendly cut-off power pipe cross-river method using a pipe protection PC culvert that can prevent differential subsidence of pipe lines and maintain linearity easily.

In addition, it is to provide an eco-friendly, open and close power pipe cross-river method using a pipe protection PC culvert that can facilitate new installation and repair of existing pipe lines.

In order to achieve the above object, the eco-friendly open-and-seat power pipeline river crossing method using a conduit protection PC culvert for laying a new cable according to an embodiment of the present invention includes a PC culvert manufacturing step and an obstacle investigation and consultation step. A preliminary preparation step; A pre-construction step including a construction guide board and safety facility installation step, a pedestrian and bicycle road bypass bridge installation step, a pollution barrier installation step, a construction road installation step, and a temporary block installation step; Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower culvert installation steps, strand tensioning steps, fixing groove mortar filling steps, conduit laying steps, spacer installation steps And, a PC culvert installation step including a sand laying and compaction step, a spacer removal step, an upper culvert installation step, a backfilling step, a soil barrier temporary facility removal step, and a residual soil removal step; A cable laying step including a conduction test step and a step of laying a new cable; And a finishing step including a restoration step of a river and a step of carrying out equipment and tools. It can be provided.

On the other hand, the river crossing method for eco-friendly power pipes using a pipe protection PC culvert for extension of an existing cable according to an embodiment of the present invention includes a PC culvert production step, a PC manhole production step, and an obstacle investigation and consultation step. A preliminary preparation step; A pre-construction step including a construction guide board and safety facility installation step, a pedestrian and bicycle road bypass bridge installation step, a pollution barrier installation step, a construction road installation step, and a temporary block installation step; Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower manhole installation steps, adhesive application steps, upper manhole installation steps, joint mortar waterproofing steps, and grounding steps Wow, installation of a PC manhole including an adjustment member installation step, a manhole cover installation step, a conduit body installation step, a conduit cover installation step in an unused conduit, a backfilling and compaction step, a soil barrier temporary facility removal step, and a residual soil removal step step; Installing a temporary facility, installing a guide pipe, drilling an existing manhole in the direction of a river, installing an injection pipe, mortar grouting the inside after the pipe, and connecting the pipe to the PC manhole. Injecting pipe installation step comprising the step of connecting to and removing the temporary facility; Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower culvert installation steps, strand tensioning steps, fixing groove mortar filling steps, conduit laying steps, spacer installation steps And, a PC culvert installation step including a sand laying and compaction step, a spacer removal step, an upper culvert installation step, a backfilling step, a soil barrier temporary facility removal step, and a residual soil removal step; A cable laying step including a conduction test step and a step of laying a new cable; And a finishing step including a restoration step of a river and a step of carrying out equipment and tools. It can be provided.

On the other hand, the eco-friendly open-and-seat power pipeline river crossing method using a conduit protection PC culvert for repairing an existing cable according to an embodiment of the present invention includes a PC culvert manufacturing step, a PC manhole manufacturing step, and an obstacle investigation and consultation step. A preliminary preparation step; A pre-construction step including a construction guide board and safety facility installation step, a pedestrian and bicycle road bypass bridge installation step, a pollution barrier installation step, a construction road installation step, and a temporary block installation step; Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower manhole installation steps, adhesive application steps, upper manhole installation steps, joint mortar waterproofing steps, and grounding steps Wow, installation of a PC manhole including an adjustment member installation step, a manhole cover installation step, a conduit body installation step, a conduit cover installation step in an unused conduit, a backfilling and compaction step, a soil barrier temporary facility removal step, and a residual soil removal step step; Installing a temporary facility, installing a guide pipe, drilling an existing manhole in the direction of a river, installing an injection pipe, mortar grouting the inside after the pipe, and connecting the pipe to the PC manhole. Injecting pipe installation step comprising the step of connecting to and removing the temporary facility; Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower culvert installation steps, strand tensioning steps, fixing groove mortar filling steps, conduit laying steps, spacer installation steps And, a PC culvert installation step including a sand laying and compaction step, a spacer removal step, an upper culvert installation step, a backfill step, a soil barrier temporary facility removal step, and a residual soil removal step; A cable laying step including a continuity test step, a step of laying a new cable, a step of switching an existing cable, and a step of removing the existing conduit; And a finishing step including a restoration step of a river and a step of carrying out equipment and tools. It can be provided.

The PC culvert includes the conduit, the lower culvert provided under the conduit to support the lower part of the conduit, the upper culvert provided above the conduit to cover the upper part of the conduit, and inside the lower culvert It may be provided with the above-mentioned stranded wire for maintaining linearity and preventing differential settlement.

The lower culvert is surrounded by a bottom plate in which the strands are embedded, a pair of side plates extending upward from both ends in the width direction of the bottom plate to cover the side surfaces of the conduit, and the bottom plate and the pair of side plates. It is provided in a form and may have a seating hole in which the conduit is seated.

The upper culvert may include an upper plate, and a pair of side plates extending downward from both ends of the upper plate in the width direction to cover the pair of side plates.

The PC manhole includes an upper manhole having an upper plate portion having a hole coupled with a manhole cover, and a plurality of first pillar portions extending downward from the upper plate portion to support the upper plate portion; The lower manhole having a lower plate portion positioned below the upper manhole, and a plurality of second pillar portions extending upward from the lower plate portion and coupled to the first pillar portion; And a coupling portion provided on the first and second pillars to facilitate coupling between the upper manhole and the lower manhole. It can be provided.

The combined upper manhole and the lower manhole have a pipe passage, and the upper manhole and the lower manhole are exposed reinforcement exposed on one surface of the upper plate part, the first pillar part, the lower plate part and the second pillar part at the pipe passage side It can be provided.

The conduit port may be provided with a conduit cover for covering the conduit port which is formed to be buried in the exposed reinforcing bar.

The injection tube may include a curved cylindrical body and a plurality of circular protrusions protruding from the outer surface of the body.

According to the eco-friendly cut-off power pipe cross-river method using a pipe protection PC culvert according to the present invention, it is possible to shorten the air time and to bury the pipe without damaging the slope.

In addition, it is possible to provide a method for buriing a pipe with excellent workability and economy.

In addition, it is possible to prevent unequal settling of the pipeline and facilitate linear maintenance.

In addition, it is possible to facilitate new installation and repair of existing pipelines.

1 is a flow chart for laying a new cable according to the river crossing method of an eco-friendly power pipe using a pipe protection PC culvert according to an embodiment of the present invention.
Figure 2 is a view showing a state constructed according to the flow chart shown in Figure 1;
Figure 3 is a flow chart for the expansion of an existing cable of the river crossing method of an eco-friendly power pipe using a pipe protection PC culvert according to an embodiment of the present invention.
4 is a view showing a state constructed according to the flow chart shown in FIG.
Figure 5 is a flow chart for the maintenance of an existing cable of the river crossing method of an eco-friendly power pipe using a pipe protection PC culvert according to an embodiment of the present invention.
6 is a view showing a state constructed according to the flow chart shown in FIG.
7 is a perspective view showing a PC culvert of an eco-friendly open-and-run electric power duct river crossing method using a duct protection PC culvert according to an embodiment of the present invention.
8 and 9 are perspective views showing a PC manhole of an eco-friendly openable power pipeline using a pipeline protection PC culvert according to an embodiment of the present invention.
10 is a perspective view showing the injection pipe of the cross-river method of an eco-friendly power pipe using a pipe protection PC culvert according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail an eco-friendly open-and-seat power pipe cross-river method using a pipe protection PC culvert according to an embodiment of the present invention.

FIG. 1 is a flow chart for laying a new cable according to an eco-friendly plugging-type power pipeline using a pipeline protection PC culvert according to an embodiment of the present invention, and FIG. 2 is a view constructed according to the flow chart shown in FIG. It is a figure shown.

As shown in Figures 1 and 2, the environment-friendly cutting-edge power pipe cross-river method using a pipe protection PC culvert for laying a new cable is a preliminary preparation step (S100). It may be made of a pre-construction step (S200), a PC culvert 100, an installation step (S300), a cable laying step (S400), and a finishing step (S500).

The preliminary preparation step (S100) may include a manufacturing step (S101) of the PC culvert 100 and an obstacle investigation and consultation step (S102).

The pre-construction step (S200) is the step of installing a construction guide board and safety facilities (S201), installing a pedestrian and bicycle road bypass bridge (S202), installing a pollution barrier (S203), installing a road for construction It may be provided with (S204) and a step (S205) of installing a temporary barrier.

The PC culvert 100 installation step (S300) is an assembling and installation step of a soil barrier temporary facility (S301), digging step (S302), floor selection step (S303), foundation sand laying step (S304), lower culvert 120 installation step (S305), strand 140, tensile step (S306), step of filling mortar in the anchorage groove (S307), conduit 110 laying step (S308), spacer installation step (S309), sand laying and compaction step (S310) , The spacer removal step (S311), the upper culvert 130, the installation step (S312), the backfilling step (S313), the soil barrier temporary facility removal step (S314) and the residual soil removal step (S315) may be provided.

The cable laying step (S400) may include a conduction test step (S401) and a step (S402) of laying a new cable.

The finishing step (S500) may include a river restoration step (S501) and an equipment and tool carrying step (S502).

The following describes an eco-friendly open-and-seat power pipe cross-river method using a pipe protection PC culvert according to an embodiment of the present invention for extension of an existing cable. In the following description, only parts different from those of the above-described embodiment will be described in detail, and detailed descriptions of the same or extremely similar parts will be omitted.

Figure 3 is a flow chart for the extension of the existing cable of the eco-friendly power pipe cross-river method using a pipe protection PC culvert according to an embodiment of the present invention, Figure 4 is a state constructed according to the flow chart shown in FIG. It is a figure shown.

Referring to Figures 1 to 4, the environment-friendly open-and-seat power pipe cross-river method using a pipe protection PC culvert for the extension of an existing cable is a preliminary preparation step (S100), a pre-construction step (S200), and a PC manhole 200 installation. Step (S500), the PC culvert 100, the installation step (S300), the cable laying step (S400) and the finishing step (S500).

The preliminary preparation step may include a PC culvert 100 manufacturing step (S101), a PC manhole 200 manufacturing step (S103), and an obstacle investigation and consultation step (S102).

The pre-construction step (S200) is the step of installing a construction guide board and safety facilities (S201), installing a pedestrian and bicycle road bypass bridge (S202), installing a pollution barrier (S203), installing a road for construction It may be provided with (S204) and a step (S205) of installing a temporary barrier.

The PC manhole 200 installation step (S600) is an assembly and installation step (S601), digging step (S602), floor selection step (S603), foundation sand laying step (S604), lower manhole 220 installation step (S605), adhesive application step (S606), upper manhole 210 installation step (S607), joint mortar waterproof step (S608), grounding step (S609), adjustment member installation step (S610), manhole cover installation step ( S611), pipe duct 240, body installation step (S612), pipe duct cover 260 on unused pipe duct 240, installation step (S613), backfilling and compaction step (S614), soil barrier temporary facility removal step (S615) and residual soil removal step (S616) may be provided.

The injection pipe 300 installation step (S700) includes the step of installing temporary facilities (S710), installing the guide pipe (S720), drilling in the direction of the river from the existing manhole (unsigned) (S730), and the injection pipe ( 300) installing (S740), mortar grouting the inside after piping (S750), connecting the piping to the PC manhole 200 (S760) and dismantling temporary facilities (S770). have.

The PC culvert 100 installation step (S300) is an assembling and installation step of a soil barrier temporary facility (S301), digging step (S302), floor selection step (S303), foundation sand laying step (S304), lower culvert 120 installation step (S305), strand 140, tensile step (S306), step of filling mortar in the anchorage groove (S307), conduit 110 laying step (S308), spacer installation step (S309), sand laying and compaction step (S310) , The spacer removal step (S311), the upper culvert 130, the installation step (S312), the backfilling step (S313), the soil barrier temporary facility removal step (S314) and the residual soil removal step (S315) may be provided.

The cable laying step (S400) may include a conduction test step (S401) and a step (S402) of laying a new cable.

The finishing step (S500) may include a river restoration step (S501) and an equipment and tool carrying step (S502).

The following describes an eco-friendly open-and-run power pipe cross-river method using a pipe protection PC culvert according to an embodiment of the present invention for repairing an existing cable. In the following description, only parts different from those of the above-described embodiment will be described in detail, and detailed descriptions of the same or extremely similar parts will be omitted.

Figure 5 is a flow chart for the maintenance of an existing cable of the eco-friendly power pipe cross-river method using a pipe protection PC culvert according to an embodiment of the present invention, Figure 6 is a state constructed according to the flow chart shown in FIG. It is a figure shown.

Referring to Figures 1 to 6, the environment-friendly open-and-seat power pipe cross-river method using a pipe protection PC culvert for the maintenance of existing cables is a preliminary preparation step (S100), a pre-construction step (S200), and a PC manhole 200 installation. Step (S500), the PC culvert 100, the installation step (S300), the cable laying step (S400) and the finishing step (S500).

The preliminary preparation step may include a PC culvert 100 manufacturing step (S101), a PC manhole 200 manufacturing step (S103), and an obstacle investigation and consultation step (S102).

The pre-construction step (S200) is the step of installing a construction guide board and safety facilities (S201), installing a pedestrian and bicycle road bypass bridge (S202), installing a pollution barrier (S203), installing a road for construction It may be provided with (S204) and a step (S205) of installing a temporary barrier.

The PC manhole 200 installation step (S600) is an assembly and installation step (S601), digging step (S602), floor selection step (S603), foundation sand laying step (S604), lower manhole 220 installation step (S605), adhesive application step (S606), upper manhole 210 installation step (S607), joint mortar waterproof step (S608), grounding step (S609), adjustment member installation step (S610), manhole cover installation step ( S611), pipe duct 240, body installation step (S612), pipe duct cover 260 on unused pipe duct 240, installation step (S613), backfilling and compaction step (S614), soil barrier temporary facility removal step (S615) and residual soil removal step (S616) may be provided.

The injection pipe 300 installation step (S700) includes the step of installing temporary facilities (S710), installing the guide pipe (S720), drilling in the direction of the river from the existing manhole (unsigned) (S730), and the injection pipe ( 300) installing (S740), mortar grouting the inside after piping (S750), connecting the piping to the PC manhole 200 (S760) and dismantling temporary facilities (S770). have.

The PC culvert 100 installation step (S300) is an assembling and installation step of a soil barrier temporary facility (S301), digging step (S302), floor selection step (S303), foundation sand laying step (S304), lower culvert 120 installation step (S305), strand 140, tensile step (S306), step of filling mortar in the anchorage groove (S307), conduit 110 laying step (S308), spacer installation step (S309), sand laying and compaction step (S310) , The spacer removal step (S311), the upper culvert 130, the installation step (S312), the backfilling step (S313), the soil barrier temporary facility removal step (S314) and the residual soil removal step (S315) may be provided.

The cable laying step (S400) may include a conduction test step (S401), a step of laying a new cable (S402), a step of converting the existing cable (S403), and a step of removing the existing conduit 110 (S404).

The finishing step (S500) may include a river restoration step (S501) and an equipment and tool carrying step (S502).

The following will describe the PC culvert 100 of the eco-friendly cut-and-run electric power duct river crossing method using the duct protection PC culvert according to an embodiment of the present invention. In the following description, only parts different from those of the above-described embodiment will be described in detail, and detailed descriptions of the same or extremely similar parts will be omitted.

7 is a perspective view showing a PC culvert of an eco-friendly open-and-run electric power pipe cross-river method using a duct protection PC culvert according to an embodiment of the present invention.

Referring to FIGS. 1 to 7, the PC culvert 100 of the eco-friendly open-and-run electric power pipeline river crossing method using the conduit protection PC culvert according to an embodiment of the present invention is a conduit 110 and a lower portion of the conduit 110 The interior of the lower culvert 120 provided to support the conduit 110, the upper culvert 130 and the lower culvert 120 and the upper culvert 130 provided on the upper part of the conduit 110 and covering the upper part of the conduit 110 It may be provided with a stranded wire 140 that is provided to prevent linear maintenance and differential settlement.

As shown in the drawing, the conduit 110 may be provided to form a stacked form, and the lower culvert 120 and the upper culvert 130 fix the stacked form of the conduit 110 and at the same time It can play a role of protecting (110).

Looking at the lower culvert 120, the lower culvert 120 may include a bottom plate 121, a pair of side plates 122, and a seating hole 123. The bottom plate 121 and the pair of side plates 122 are formed to be elongated in one direction and may be provided in a'U' shape. In addition, the bottom plate 121 is abutted to the ground and the stranded wire 140 is embedded, so that the linearity of the PC culvert 100 and the prevention of differential settlement can be exhibited. A pair of side plates 122 may extend upward from both ends in the width direction of the bottom plate 121 to cover the side surfaces of the conduit 110. The seating hole 123 is a space surrounded by the bottom plate 121 and the pair of side plates 122 and the conduit 110 can be seated.

Meanwhile, the upper culvert 130 may include an upper plate 131 and a pair of side plates 132. The upper plate 131 and the pair of side plates 132 are formed to be elongated in one direction, and have a'∩' shape on the upper part of the lower culvert 120 to cover the upper part of the'U'-shaped lower culvert 120. It may be provided in the form of being placed on. The pair of side plates 132 may extend downward from both ends in the width direction of the upper culvert 130 to cover the pair of side plates 122.

As described above, as the lower culvert 120 and the upper culvert 130 are provided, the conduit 110 is damaged or damaged by the load of the river 10 and the blunt 30 formed on the upper part of the conduit 110. In addition, as the stranded wire 140 is provided, it is possible to exhibit the effect of maintaining the linearity of the PC culvert 100 and preventing differential settlement.

In addition, so that the ends of the lower culvert 120 and the ends of the upper culvert 130 are not located on the same line in the vertical direction, that is, the ends of the lower culvert 120 and the ends of the upper culvert 130 are staggered in the vertical direction. By constructing it in a shape, the effect of preventing differential settlement can be further improved.

On the other hand, although not shown in the drawings, the eco-friendly cut-off power pipe cross-river method using a pipe protection PC culvert may use a steel pipe instead of the PC culvert 100 depending on the application location and surrounding environment.

The following will describe the PC manhole 200 of the eco-friendly cut-off power pipe cross-river method using a pipe protection PC culvert according to an embodiment of the present invention. In the following description, only parts different from those of the above-described embodiment will be described in detail, and detailed descriptions of the same or extremely similar parts will be omitted.

8 and 9 are perspective views showing a PC manhole of an eco-friendly open-and-run power pipeline using a pipeline protection PC culvert according to an embodiment of the present invention.

Referring to Figures 1 to 9, the PC manhole 200 of the eco-friendly power pipe cross-river method using a pipe protection PC culvert according to an embodiment of the present invention is provided with a hole 2111 coupled to the manhole cover. An upper manhole 210 having a plurality of first pillars 212 extending downward from the upper plate 211 and the upper plate 211 to support the upper plate 211 may be provided. The top plate 211 may be provided at a position adjacent to the ground and at least one hole 2111 is formed so that the PC manhole 200 is buried and the manhole cover may be coupled to the top plate 211. The first pillar portion 212 is integrally formed of the upper plate portion 211 and precast concrete, and may be provided so that the PC manhole 200 has a pilotis structure. Pilotti is an independent pillar that supports the upper floor of a building, and refers to the main row of the first floor without walls. By making the first floor of a building almost one floor with only pillars and continuing with the surrounding ground, the building does not occupy the ground and does not interfere with traffic on the ground.

In addition, a lower plate portion 221 positioned under the upper manhole 210 and a plurality of second pillar portions 222 extending upwardly from the lower plate portion 221 and coupled with the first pillar portion 212 are provided. A lower manhole 220 may be provided.

In addition, the first pillar portion 212 and the second pillar portion 222 are provided with a coupling portion 230 that facilitates coupling of the upper manhole 210 and the lower manhole 220 through a method such as a protrusion-groove. can do. By combining the upper manhole 210 and the lower manhole 220 through the coupling unit 230, the upper manhole 210 placed on the lower manhole 220 is separated by unexpected external shocks, thereby preventing a safety accident. It can, and can exert the effect of increasing the structural rigidity of the PC manhole 200.

Meanwhile, a conduit 240 may be formed in the combined upper manhole 210 and the lower manhole 220. The operator can freely move the inside and outside of the PC manhole 200 through the conduit 240, the connection and replacement of the existing cable and the new cable can be easily achieved, and passage and direction change can be made freely.

In addition, exposed reinforcement 250 is provided on one side of the upper manhole 210 and the lower manhole 220 on the side of the upper plate part 211, the first post part 212, the lower part part 221, and the second post part 222. ) Can be provided.

In addition, the conduit port 240 may be provided with a conduit cover 260 that covers the unused conduit port 240 by being formed so that the exposed reinforcing bar 250 is buried. The direction of the conduit 110 connected to the PC manhole 200 through the conduit cover 260 can be limited in advance, and when another pipe is adjacent to the vicinity where the PC manhole 200 is buried, during construction It can play a role of dividing the work space so that other pipes are not damaged.

Accordingly, it is possible to achieve a safe construction and at the same time reduce the overall construction time on the site, and as it is manufactured in advance at the factory, a relatively high quality can be expected compared to when manufactured through concrete pouring on the site. have.

The following will describe the injection pipe 300 of the river crossing method of an eco-friendly openable power pipe using a pipe protection PC culvert according to an embodiment of the present invention. In the following description, only parts different from those of the above-described embodiment will be described in detail, and detailed descriptions of the same or extremely similar parts will be omitted.

FIG. 10 is a perspective view showing an injection pipe of an eco-friendly pluggable power pipe using a pipe protection PC culvert according to an embodiment of the present invention.

Referring to Figures 1 to 10, the injection pipe 300 of the eco-friendly open-and-close power pipe cross-river method using the pipe protection PC culvert according to an embodiment of the present invention is a curved cylindrical body 310 and a body ( A plurality of circular protrusions 320 may be provided to protrude from the outer surface of 310).

The injection pipe 300 may be inserted into a hole drilled through a separate drilling device (not shown) and piped through the inside of the body 310 after being inserted. After piping, the interior of the body 310 may be filled by mortar grouting inside the body 310. In addition, by performing milk grouting between the plurality of circular protrusions 320 and the perforated hole, the airtightness between the perforated hole and the injection pipe 300 can be improved. In addition, an area in contact with the milk grouting may be increased by the plurality of circular protrusions 320, so that the fixing force of the injection pipe 300 may be improved.

In this way, the construction is performed by inserting the injection pipe 30 into the perforated hole without opening and closing, so that it is possible to easily obtain permission for construction and to minimize damage to the slope or slope.

In the above, the method of crossing the river for an eco-friendly power pipe using a pipe protection PC culvert according to an embodiment of the present invention has been described, but the spirit of the present invention is not limited to the embodiments presented herein. And, those skilled in the art who understand the spirit of the present invention will be able to easily propose other embodiments by adding, changing, deleting, or adding components within the scope of the same idea, but this is also within the scope of the present invention. something to do.

100: PC culvert 110: conduit
120: lower culvert 121: bottom plate
122: side plate 123: seating hole
130: upper culvert 131: upper plate
132: side plate 140: strand
200: PC manhole 210: upper manhole
211: upper plate 2111: hall
212: first pillar 220: lower manhole
221: lower plate portion 222: second pillar portion
230: coupling portion 240: pipeline
250: exposed reinforcement 260: conduit cover
300: injection tube 310: main body
320: protrusion

Claims (10)

delete In the river crossing method for an eco-friendly open-ended power pipe using a PC culvert for pipe protection for the extension of existing cables,
The eco-friendly open-and-run power pipe crossing method using the pipe protection PC culvert includes a preliminary preparation step including a PC culvert manufacturing step, a PC manhole manufacturing step, and an obstacle investigation and consultation step;
A pre-construction step including a construction guide board and safety facility installation step, a pedestrian and bicycle road bypass bridge installation step, a pollution barrier installation step, a construction road installation step, and a temporary block installation step;
Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower manhole installation steps, adhesive application steps, upper manhole installation steps, joint mortar waterproofing steps, and grounding steps Wow, installation of a PC manhole including an adjustment member installation step, a manhole cover installation step, a conduit body installation step, a conduit cover installation step in an unused conduit, a backfilling and compaction step, a soil barrier temporary facility removal step, and a residual soil removal step step;
Installing a temporary facility, installing a guide pipe, drilling an existing manhole in the direction of a river, installing an injection pipe, mortar grouting the inside after the pipe, and connecting the pipe to the PC manhole. Injecting pipe installation step comprising the step of connecting to and removing the temporary facility;
Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower culvert installation steps, strand tensioning steps, fixing groove mortar filling steps, conduit laying steps, spacer installation steps And, a PC culvert installation step including a sand laying and compaction step, a spacer removal step, an upper culvert installation step, a backfilling step, a soil barrier temporary facility removal step, and a residual soil removal step;
A cable laying step including a conduction test step and a step of laying a new cable; And a finishing step including a restoration step of a river and a step of carrying out equipment and tools. And,
The PC culvert includes the conduit, the lower culvert provided under the conduit to support the lower part of the conduit, the upper culvert provided above the conduit to cover the upper part of the conduit, and inside the lower culvert It is provided with the stranded wire to prevent linear maintenance and differential settlement,
The lower culvert is surrounded by a bottom plate in which the strands are embedded, a pair of side plates extending upward from both ends in the width direction of the bottom plate to cover the side surfaces of the conduit, and the bottom plate and the pair of side plates. It is provided in a form and has a seating hole in which the conduit is seated,
The upper culvert includes an upper plate, and a pair of side plates extending downward from both ends of the upper plate in the width direction to cover the pair of side plates,
The injection tube has a curved cylindrical body and a plurality of circular protrusions provided to protrude from the outer surface of the body, and is installed through a method that is inserted into a hole drilled in the slope or slope without opening the slope or slope. It is an eco-friendly open-and-seat power pipe cross-river method using a pipe protection PC culvert, characterized in that it minimizes damage to the slope or slope.
In the river crossing method for eco-friendly open and close power pipes using PC culverts to protect pipes for repairing existing cables,
The eco-friendly open-and-run power pipe crossing method using the pipe protection PC culvert includes a preliminary preparation step including a PC culvert manufacturing step, a PC manhole manufacturing step, and an obstacle investigation and consultation step;
A pre-construction step including a construction guide board and safety facility installation step, a pedestrian and bicycle road bypass bridge installation step, a pollution barrier installation step, a construction road installation step, and a temporary block installation step;
Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower manhole installation steps, adhesive application steps, upper manhole installation steps, joint mortar waterproofing steps, and grounding steps Wow, installation of a PC manhole including an adjustment member installation step, a manhole cover installation step, a conduit body installation step, a conduit cover installation step in an unused conduit, a backfilling and compaction step, a soil barrier temporary facility removal step, and a residual soil removal step step;
Installing a temporary facility, installing a guide pipe, drilling an existing manhole in the direction of a river, installing an injection pipe, mortar grouting the inside after the pipe, and connecting the pipe to the PC manhole. Injecting pipe installation step comprising the step of connecting to and removing the temporary facility;
Assembling and installing temporary earth protection facilities, digging steps, floor selection steps, foundation sand laying steps, lower culvert installation steps, strand tensioning steps, fixing groove mortar filling steps, conduit laying steps, spacer installation steps And, a PC culvert installation step including a sand laying and compaction step, a spacer removal step, an upper culvert installation step, a backfilling step, a soil barrier temporary facility removal step, and a residual soil removal step;
A cable laying step including a continuity test step, a step of laying a new cable, a step of switching an existing cable, and a step of removing an existing conduit; And
A finishing step including a step of restoring the original stream and a step of carrying out equipment and tools; And,
The PC culvert includes the conduit, the lower culvert provided under the conduit to support the lower part of the conduit, the upper culvert provided above the conduit to cover the upper part of the conduit, and inside the lower culvert It is provided with the stranded wire to prevent linear maintenance and differential settlement,
The lower culvert is surrounded by a bottom plate in which the strands are embedded, a pair of side plates extending upward from both ends in the width direction of the bottom plate to cover the side surfaces of the conduit, and the bottom plate and the pair of side plates. It is provided in a form and has a seating hole in which the conduit is seated,
The upper culvert includes an upper plate, and a pair of side plates extending downward from both ends of the upper plate in the width direction to cover the pair of side plates,
The injection tube has a curved cylindrical body and a plurality of circular protrusions provided to protrude from the outer surface of the body, and is installed through a method that is inserted into a hole drilled in the slope or slope without opening the slope or slope. It is an eco-friendly open-and-seat power pipe cross-river method using a pipe protection PC culvert, characterized in that it minimizes damage to the slope or slope.
delete delete delete The method according to claim 2 or 3,
The PC manhole includes an upper manhole having an upper plate portion having a hole coupled with a manhole cover, and a plurality of first pillar portions extending downward from the upper plate portion to support the upper plate portion;
The lower manhole having a lower plate portion positioned below the upper manhole, and a plurality of second pillar portions extending upward from the lower plate portion and coupled to the first pillar portion; And
A coupling portion provided on the first and second pillars to facilitate coupling between the upper manhole and the lower manhole; An eco-friendly open-and-run electric power pipe crossing method using a pipe protection PC culvert, characterized in that it comprises a.
The method of claim 7,
A pipe passage is formed in the combined upper manhole and the lower manhole,
The upper manhole and the lower manhole include exposed reinforcing bars exposed on one surface of the upper plate portion, the first pillar portion, the lower plate portion, and the second pillar portion on the pipe passage side. Type electric power pipe crossing river method.
The method of claim 8,
The conduit port is formed so that the exposed reinforcement is buried, and a conduit cover for covering the unused conduit port is provided.
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