JP3978746B2 - Tube installation method - Google Patents

Tube installation method Download PDF

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Publication number
JP3978746B2
JP3978746B2 JP2003096641A JP2003096641A JP3978746B2 JP 3978746 B2 JP3978746 B2 JP 3978746B2 JP 2003096641 A JP2003096641 A JP 2003096641A JP 2003096641 A JP2003096641 A JP 2003096641A JP 3978746 B2 JP3978746 B2 JP 3978746B2
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Japan
Prior art keywords
tube
pipe
diameter
continuously
installation
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JP2004300833A (en
Inventor
郁夫 堤
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堤 郁夫
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Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for installing a pipe body such as a gas pipe or a water pipe.
[0002]
[Prior art and problems to be solved by the invention]
As a method of installing a pipe body such as a gas pipe or a water pipe, excavation of a start shaft and a reaching shaft is performed, and a shield device (excavation device) is installed on the start shaft, and this shield device is used to connect the start shaft to the reach shaft. A horizontal hole is drilled in the natural ground, and a pipe material is arranged at the rear part of the shield device (this pipe material can be used regardless of whether it is not assembled or needs to be assembled). ), A jack device is provided at the rear of the pipe material, the shield device and the pipe material are propelled by the extension of the jack device, the jack device is then contracted, and a new pipe material is arranged in the space formed by the contraction of the jack device. Then, the newly arranged pipe material, the pipe material already arranged in the lateral hole and the shield device are propelled by extension of the jack device, and this is repeated to make a plurality of pipes. There method of installing a is continuously provided tube (so-called jacking method) is widely employed.
[0003]
However, in this conventional propulsion method, since the earth pressure of the natural ground directly acts on the pipe body such as a gas pipe or a water pipe, there is a problem that the pipe body is likely to be distorted or damaged.
[0004]
Therefore, in order to eliminate such problems caused by earth pressure, the pipe material is installed in the gas pipe or water pipe, etc., in order to protect the gas pipe or water pipe, etc., which is the installation object. A method has been proposed in which a double pipe material composed of a large-diameter outer pipe to be fitted is installed, and the double pipe material is installed in the lateral hole.
[0005]
In the method using this double pipe material, the earth pressure acts on a large-diameter outer pipe, but the earth pressure does not act on an installation object such as a gas pipe or a water pipe, and the gas pipe or the water pipe is distorted. , No damage occurs.
[0006]
However, this method requires a lot of labor and cost for the production of double pipes because of the large diameter outer pipe, and of course, the cost must be higher than when ordinary pipes (single pipes) are used. I don't get it. In addition, the large-diameter outer pipe of the double pipe material manufactured with much effort and cost remains buried and is wasteful.
[0007]
The present invention has been made in view of the present situation as described above. When installing an installation object such as a gas pipe or a water pipe, earth pressure does not act on the installation object, and the cost is low. The tube installation method excellent in practicality and efficiency which can be constructed by is provided.
[0008]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0009]
A horizontal hole 6 is drilled by the excavator 1 in the natural ground 7 between the starting shaft 10a and the reaching vertical shaft 10b at a predetermined interval, and a plurality of pipe materials are disposed in the horizontal hole 6 so that the plurality of natural materials are provided in the natural ground 7. a method of tubing is installed continuously provided by the tubular body a, the excavating device 1 mud drilling device is employed as the drilling apparatus 1 is provided at the distal end, the diameter small inner tube 4 and該径the small It consists large-diameter outer tube 5 which is fitted to the tube 4, doubly Okudoro pipe 12 a and Haidorokan 12 b between the small diameter inner tube 4 and the large-diameter outer tube 5 is disposed disposed tubing 2 the starting pit 10a, to promote the double pipe member 2 to the tip side by pressing, the starting pit 10a and arrival pit the sequential the double pipe member 2 and continuously provided by propulsion as well during 10b, after installing a plurality of said which is continuously provided double pipe member 2, both before Symbol start and the double pipe member 2 of the large-diameter outer tube 5 and Okudoro pipe 12 a and Haidorokan 12 b Shaft 10a Properly intended according to the tube installation method characterized by installing a tubular body A which a plurality of small-diameter inner tube 4 is continuously provided on the ground mountain 7 by removing extraction with引動from arrival pit 10b is there.
[0010]
Further, a horizontal hole 6 is drilled by the excavator 1 in the natural ground 7 between the start shaft 10a and the reaching vertical shaft 10b at a predetermined interval, and a plurality of pipes are disposed in the horizontal hole 6 to a method in which a plurality of tubing is installed continuously provided by the tubular body a, the drilling device mud drilling device is employed as 1, said large-diameter outer tube 5 that the excavating device 1 to-edge is provided while disposed to the calling proceeds pit 10a, and disposed Okudoro tube 12 a and Haidorokan 12 b at a position where the outer described later small-diameter inner tube 4 in the inside of the large-diameter outer tube 5, this diameter Daisotokan 5 propelled distally by pressing, and the sequential the diameter Daisotokan 5 between the continuously arranged similarly propelled allowed by the starting pit 10a and arrival pit 10b, a plurality of which are continuously provided installing the diameter Daisotokan 5, subsequently, after the disposed plurality of said diameter small inner tube 4 in a continuously provided state to the continuously provided by a plurality of the radial Daisotokan 5, the diameter size Outer tube 5 and Okudoro pipe 12 a and Haidorokan 12 b and a plurality of the radial small inner tube 4 to the ground mountain 7 by removing and removed引動from both front Symbol starting pit 10a or arrival pit 10b and is The present invention relates to a tube installation method, characterized in that a continuously installed tube A is installed.
[0011]
Further, in the tube installation method according to any one of claims 1, in which according to the tube installation method being characterized in that disposed a jack device 16a for promoting the onset advance shafts 10a .
[0012]
Further, in the tube installation method according to any one of claims 1, 2, which relates to tubular body installation wherein the removal takes out the diameter Daisotokan 5 from arrival pit 10b.
[0013]
Further, in the tube installation method according to claim 4, outside a position of the large-diameter outer tube 5 in the interior the small-diameter inner tube 4 is penetrations coupling body 9 is provided, further, the each through coupling body 9 is configured to be continuously provided, further, the base of the penetrations coupling body 9 is configured to be provided continuously with the radial Daisotokan 5 of proximal position, continuously provided the through coupling body 9 while the base of the penetrations coupling body 9 which is continuously provided to continuously to the diameter Daisotokan 5 of proximal position, the distal end of the penetrations coupling body 9 which is continuously provided from the arrival we shafts 10b those of the tube installation wherein the removal takes out the diameter Daisotokan 5 from the arrival we shafts 10b by引動.
[0014]
Further, in the tube installation method according to claim 5, said di Yakki device 16b is arranged in the arrival our vertical shaft 10b, characterized by引動the diameter Daisotokan 5 Ri by this jack device 16b This relates to the tube installation method.
[0015]
Further, in the tube installation method according to any one of claims 1 to 6, and the diameter small inner tube 4 to emerge Ri by the removal takes out the diameter Daisotokan 5 and the ground mountain 7 The present invention relates to a tube installation method characterized by filling a gap 8 with a filler 8.
[0016]
Further, in the tube installation method according to any one of claims 1 to 7, provided a ring member 20 to prevent damage to the side wall at a position bored the lateral hole 6 in the side wall of the starting pit 10 a after providing a packing 24 that muddy water flowing from the drilling device 1 side in the ring member 20 is prevented from entering into the starting pit 10 in a, the drilling device 1 to the ring member 20 and the packing 24 The tubular body installation method is characterized in that the horizontal hole 6 is drilled through .
[0017]
[Action and effect of the invention]
When installing a small-diameter inner pipe 4 such as a gas pipe or a water pipe, which is the installation object, there is a large-diameter outer pipe 5 on the outside of the small-diameter inner pipe 4. The earth pressure from the natural ground 7 is received, so that the small diameter inner pipe 4 is not distorted or broken.
[0018]
Further, after the small-diameter inner tube 4 is installed, the large-diameter outer tube 5 is taken out and removed while leaving the necessary small-diameter inner tube 4, and the large-diameter outer tube 5 is reused to install a different tube A. To do.
[0019]
That is, at the time of propelling the pipe material that receives the earth pressure of the natural ground 7, the small diameter inner pipe 4 that does not want to cause distortion or breakage is protected by the large diameter outer pipe 5. No breakage occurs, and the large-diameter outer tube 5 that protects the small-diameter inner tube 4 is taken out, removed, and reused after propulsion. Installation of A can be performed efficiently at low cost.
[0020]
Accordingly, the present invention can not only easily and surely install the pipe body using the outer pipe, but also can be constructed at a low cost by reusing the outer pipe, and is extremely excellent in practicality and efficiency. A body setting method can be provided.
[0021]
DETAILED DESCRIPTION OF THE INVENTION
The drawings illustrate a first embodiment of the present invention and are described below. The first embodiment is an embodiment of the first aspect.
[0022]
In the first embodiment, a horizontal hole 6 is drilled by a drilling device 1 in a natural ground 7 between a starting vertical shaft 10a and a reaching vertical shaft 10b at a predetermined interval, and a plurality of pipe materials are arranged in the horizontal hole 6 to form the ground. This is a method of installing a pipe body A in which a plurality of pipe materials are connected to a mountain 7, comprising a small-diameter inner tube 4 as a pipe material and a large-diameter outer tube 5 fitted on the small-diameter inner tube 4. The double pipe 2 is adopted, the double pipe 2 provided with the excavating device 1 at the tip is disposed in the start shaft 10a, and the double pipe 2 is pressed to be propelled to the tip side. 2 are connected and propelled in the same manner, and a plurality of continuous double pipes 2 are installed between the starting vertical shaft 10a and the reaching vertical shaft 10b. This is a method of installing the pipe body A in which a plurality of small-diameter inner pipes 4 are continuously connected to the natural ground 7 by being pulled out and removed from the reaching shaft 10b.
[0023]
Specifically, first, a starting shaft 10a and a reaching shaft 10b having a predetermined depth are drilled at both front and rear ends of a section in which the tube A is disposed. An existing shaft may be used.
[0024]
Subsequently, the jack device 16a (propulsion jack) is installed in the start shaft 10a. The jack device 16a is composed of a piston 21 and a cylinder 22.
[0025]
Subsequently, the excavator 1 is disposed in the start shaft 10a, and the excavator 1 is introduced into the ground 7 from the side wall of the start shaft 10a by excavation by the excavator 1 and extension of the jack device 16a. Drilling of the horizontal hole 6 is started.
[0026]
The excavator 1 employs a mud drilling device that excavates while introducing mud into the face. According to this muddy water type excavator, a muddy water film is formed on the face by the muddy water, so that the face becomes stable, and therefore, the horizontal hole 6 can be drilled by excavating the natural ground very well.
[0027]
As the excavator 1, a closed excavator other than the muddy water excavator or an open excavator may be used.
[0028]
In the first embodiment, a ring body 20 is provided at the position where the side hole 6 is drilled as the side wall of the starting shaft 10a and the reaching shaft 10b, and the ring body 20 flows from the excavator 1 side. A packing 24 is provided to prevent incoming mud from entering the start shaft 10a, and the excavator 1 is inserted into the packing 24 and the ring body 20 for drilling.
[0029]
Subsequently, the jack device 16a is contracted to form a gap 25 between the jack device 16a and the excavator 1, and the double pipe 2 is disposed in the gap 25 (see FIG. 1a). The double pipe member 2 is configured by supporting the small-diameter inner tube 4 by a support portion 15 provided in the large-diameter outer tube 5, and the large-diameter outer tube 5 can be easily pulled. The large diameter outer pipes 5 are connected by engaging engaging portions provided at the ends, and the small diameter inner pipes 4 are connected by welding the end parts.
[0030]
As the double pipe 2, for example, a fume pipe, a steel pipe, a ductile pipe, a pipe formed by assembling a segment, or the like may be used.
[0031]
Also, a mud pipe for introducing the mud water into the excavator 1 as shown in FIG. 3 between the inside of the double pipe 2, specifically, between the small diameter inner pipe 4 and the large diameter outer pipe 5. 12a, a mud pipe 12b for discharging mud generated by excavation by the excavator 1 through the start shaft 10a, and a mud pump for discharging the mud using the mud pipe 12b (not shown) ). This drainage pump employs an output capable of supporting the entire length of the tubular body A to be installed and formed.
[0032]
Further, between the small-diameter inner tube 4 and the large-diameter outer tube 5 after the power cable 13 and the control cable (not shown) for driving the excavator 1 and the large-diameter outer tube 5 are removed. A filler distribution cable 11 for distributing the filler 8 filled in the generated gap is also installed.
[0033]
Further, a through-connecting body 9 is provided between the small-diameter inner pipe 4 and the large-diameter outer pipe 5 of each double pipe member 2 disposed behind the excavator 1. The connecting body 9 is configured to be connected to each other, and the base portion of the through-connecting body 9 is configured to be connected to the large-diameter outer tube 5 at the base end position. The double pipe member 2 has a large diameter by connecting the base of the through-connecting body 9 provided to the large-diameter outer pipe 5 at the base end position and moving the tip of the through-connecting body 9 provided continuously from the reaching shaft 10b. The outer pipe 5 is taken out from the reaching shaft 10b and removed.
[0034]
Further, a through-connecting body 9 is provided which is connected to the lid body 14 described later so as to be locked to the large-diameter outer tube 5 provided at the base end position and not locked to the small-diameter inner tube 4. Each through-connecting body 9 is configured to be connected to each other, and a base portion of the through-connecting body 9 is configured to be connected to the lid body 14. The base end of the through-connecting body 9 is connected to the lid body 14, and the distal end of the continuous through-connecting body 9 is moved from the reaching shaft 10b so that the large-diameter outer tube 5 of the double pipe material 2 is reached. It is the structure which can be taken out and removed from 10b. The through connectors 9 are connected by a connector provided at the end of the through connector 9.
[0035]
Subsequently, the double pipe member 2 and the excavator 1 are propelled by extending and pushing the contracted jack device 16a.
[0036]
In this way, by repeating the expansion and contraction of the jack device 16a, the arrangement of the double pipe material 2, the installation / continuous installation of the mud pipe 12a and the mud pipe 12b, the through connector 9, the filler distribution cable 11, etc., the ground 7 The double pipe material 2 is additionally arranged in sequence, the horizontal hole 6 is drilled up to the reaching shaft 10b, and the excavation device 1 is taken out from the reaching shaft 10b, thereby arranging a plurality of double pipe materials 2 in the horizontal hole 6 (FIG. 1b).
[0037]
Subsequently, the large-diameter outer pipes 5 of the plurality of double pipe members 2 arranged in the horizontal holes 6 are taken out and removed from the reaching shaft 10b (see FIG. 1c).
[0038]
The large diameter outer pipe 5 is pulled by contracting a jack device 16b provided in the reaching shaft 10b (similar to that provided in the starting shaft 10a).
[0039]
Specifically, the large outer pipe 5 located at the most proximal end is provided with a lid 14 configured to be engaged with the large outer pipe 5 and not to be engaged with the small inner pipe 4, and the through-connecting body. When the end of 9 is connected to the lid body 14, the tip of the through-connecting body 9 is connected to the jack device 16b, and the through-connecting body 9 is pulled by the jack device 16b, the lid body 14 is inevitably formed. The large diameter outer pipe 5 including the large diameter outer pipe 5 to which the lid body 14 is attached is pulled and removed from the reaching shaft 10b and removed.
[0040]
Therefore, the large diameter outer tube 5 of the double pipe material 2 is sequentially taken out and removed from the large diameter outer tube 5 on the tip side reaching the reaching shaft 10b by the pulling of the through-connecting body 9 by the operation of the jack device 16b. It will be.
[0041]
In addition, it is good also as a structure which provides the said cover body 14 for every connection part of the said double pipe materials 2, and connects each cover body 14 and the penetration connection body 9. FIG. In this case, the large diameter outer tube 5 can be easily removed and removed even if the section in which the tube body A is arranged becomes long.
[0042]
In parallel with the removal and removal of the large-diameter outer tube 5, a filler 8 is filled in the gap between the small-diameter inner tube 4 and the natural ground 7 generated by the removal and removal of the large-diameter outer tube 5.
[0043]
Specifically, the end portion of the filler distribution cable 11 is inserted from the insertion hole provided in the lid body 14 to the start shaft 10a side of the lid body 14, and a nozzle 17 is inserted into the distal end portion of the filler distribution cable 11. Is provided. A seal ring 23 having a seal member 19 for preventing the filler 8 from entering and having a nozzle installation hole in which the nozzle 17 can be installed is provided outside the lid body 14, and the nozzle 17 is installed in the nozzle installation hole. Then, the filler 8 is filled into the gap together with the pulling of the large diameter outer tube 5 from the nozzle 17.
[0044]
As the filler 8, fast-drying concrete is employed.
[0045]
A blocking lid 18 is provided outside the base end ring body 20 to prevent the filler 8 from flowing out to the starting shaft 10a.
[0046]
Accordingly, when all the large diameter outer pipe 5 is taken out and removed, the outer circumference of the small diameter inner pipe 4 is filled with the filler 8.
[0047]
In this way, by filling the gap between the small-diameter inner pipe 4 and the natural ground 7 with the filler 8, the solidified product of the filler 8 becomes a soil pressure receiver instead of the large-diameter outer pipe 5, and the ground Even if the large diameter outer pipe 5 is taken out and removed, earth pressure does not act on the small diameter inner pipe 4 and the small diameter inner pipe 4 is very well formed. It can be arranged in the horizontal hole 6.
[0048]
By the above process, the large outer pipe 5 is removed from the plurality of double pipes 2 in the horizontal hole 6 formed between the starting shaft 10a and the reaching shaft 10b, and the periphery is solidified with the filler 8 (that is, concrete). A tubular body A formed by continuously connecting the small-diameter inner pipes 4 surrounded by (3) is installed (see FIG. 1d).
[0049]
Since the first embodiment is as described above, the large-diameter outer pipe 5 is utilized to promote the double pipe 2 and the excavating apparatus 1 and to install the plurality of double pipes 2 well. After installing the double pipe material 2, the large diameter outer pipe 5 is taken out and removed, so that only the pipe body A in which the small diameter inner pipe 4 which is the installation object such as a gas pipe or a water pipe is connected is installed in the horizontal hole 6. The extracted large diameter outer tube 5 can be reused to install a different tube A.
[0050]
At this time, facilities such as a mud pipe 12a and a mud pipe 12b are provided between the small-diameter inner pipe 4 and the large-diameter outer pipe 5, so that when the large-diameter outer pipe 5 is taken out and removed, The equipment can be taken out very easily together, and the cost and labor required for the production of the double pipe 2 are not wasted and are extremely efficient.
[0051]
Therefore, since the facilities such as the mud pipe 12a and the exhaust mud pipe 12b are not provided in the small diameter inner pipe 4, for example, the repair in the small diameter inner pipe 4 can be easily performed.
[0052]
In addition, the small-diameter inner tube 4 always propels the inside of the large-diameter outer tube 5, and the large-diameter outer tube 5 that protects the small-diameter inner tube 4 is taken out and removed after propulsion. When propelling the pipe material subjected to the earth pressure, the small-diameter inner pipe 4 that does not want to cause distortion or breakage can be reliably protected by the large-diameter outer pipe 5, and the small-diameter inner pipe 4 is distorted or broken. do not do.
[0053]
Further, the space formed by removing the large diameter outer tube 5 is sequentially filled with the filler 8, and even if the large diameter outer tube 5 is removed by the solidified material of the filler 8, the small diameter is reduced. The inner pipe 4 is reliably prevented from receiving the earth pressure of the natural ground 7.
[0054]
Furthermore, the large diameter outer pipe 5 can be taken out and removed by pulling the plurality of through connecting bodies 9 penetrating the large diameter outer pipe 5 at a time, so that the removal and removal are extremely easy.
[0055]
Therefore, in the first embodiment, the large-diameter outer tube is used to easily install the pipe body, and after the pipe body is installed, the large-diameter outer pipe is removed by removing only the necessary small-diameter inner pipe. The pipe installation method can be reused and has excellent practicality and economy.
[0056]
In the first embodiment, the large diameter outer pipe 5 is removed from the reaching shaft 10b and removed, but may be removed from the starting shaft 10a and removed.
[0057]
In the first embodiment, as described above, the method of arranging the small-diameter inner pipe 4 and the large-diameter outer pipe 5 from the beginning as the double pipe material 2 in the horizontal hole 6 has been described in detail. A second embodiment in which the small inner tube 4 is disposed after the large outer tube 5 is disposed will be described below. The second embodiment is an embodiment of the second aspect.
[0058]
Specifically, in the second embodiment, a horizontal hole 6 is drilled by the excavator 1 in a natural ground 7 between the start shaft 10a and the arrival shaft 10b at a predetermined interval, and a plurality of pipes are arranged in the horizontal hole 6. In this method, the pipe body A in which the plurality of pipe materials are connected to the natural ground 7 is installed, and a large-diameter outer pipe 5 having the excavator 1 provided at the tip is disposed in the start shaft 10a. The large-diameter outer pipe 5 is pushed toward the front end side, and the large-diameter outer pipes 5 are sequentially arranged and similarly promoted so as to be connected between the starting vertical shaft 10a and the reaching vertical shaft 10b. The large diameter outer pipe 5 is installed, and then, after the plurality of small diameter inner pipes 4 are continuously arranged in the plurality of large diameter outer pipes 5, the large diameter outer pipe 5 is arranged. This is a method of installing the pipe body A in which a plurality of small-diameter inner pipes 4 are continuously connected to the natural ground 7 by pulling out and removing them from the reaching shaft 10b.
[0059]
In this case as well, as in the first embodiment, the small-diameter inner tube 4 always propels the inside of the large-diameter outer tube 5, and the large-diameter outer tube 5 that protects the small-diameter inner tube 4 is propelled. Since the pipe material that is subjected to the earth pressure of the natural ground 7 is pushed out and removed later, the small-diameter inner pipe 4 that does not want to cause distortion or breakage can be reliably protected by the large-diameter outer pipe 5. The inner pipe 4 is a method that is excellent in practicality and economical efficiency without causing distortion or breakage.
[0060]
The rest is the same as in the first embodiment.
[Brief description of the drawings]
FIG. 1 is an explanatory side view of a first embodiment.
FIG. 2 is an explanatory plan view of the first embodiment.
FIG. 3 is an explanatory sectional view of the first embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Drilling device 2 Double pipe material 4 Diameter small inner pipe 5 Diameter large outer pipe 6 Side hole 7 Ground mountain 8 Filler 9 Through-connecting body
10a Starting shaft
10b Reaching shaft
12a Mud pipe
12b Mud pipe
16a Starting shaft side jack device
16b Reaching shaft side jack device A Tube

Claims (8)

  1. A horizontal hole is drilled by a drilling device in a natural ground between a start shaft and a reaching shaft at a predetermined interval, and a plurality of pipe materials are arranged in the horizontal hole, and the plurality of pipe materials are continuously connected to the natural ground. a method of installing a body, mud drilling device is employed as the drilling apparatus, the drilling apparatus is provided at the distal end, the large-diameter outer tube which is fitted in a radial small inner tube and該径small inner tube A double pipe with a mud pipe and a mud pipe arranged between the small diameter inner pipe and the large diameter outer pipe is disposed in the start shaft, and the double pipe is pressed to the tip propelled to the side, between the starting pit and arrival pit likewise propelled consecutively provided a sequential the double pipe member, after the setting of the plurality of the double pipe member which is continuously provided, the double pipe member large-diameter outer tube and Okudoro pipe and the waste sludge tube and a plurality of small diameter inner tube to the ground mountains by removing be taken out by引動from both front Symbol starting pit or arrival pit Tube installation method characterized by installing a continuously provided by the tube.
  2. A horizontal hole is drilled by a drilling device in a natural ground between a start shaft and a reaching shaft at a predetermined interval, and a plurality of pipe materials are arranged in the horizontal hole, and the plurality of pipe materials are continuously connected to the natural ground. a method of installing a body, the mud drilling apparatus employing a drilling rig, as well as disposed on the calling proceeding vertical shaft a large diameter outer tube the drilling device is provided above end, the large diameter outer and disposed Okudoro tube and the waste sludge pipe in a position to be the outside of the later small diameter tube in the inner tube, propelled distally by pressing the diameter larger outer tube, sequential said diameter large outer tubes between the starting pit and arrival pit and continuously provided to propel similarly established a plurality of said diameter larger outer tube which is continuously provided, followed by a plurality of the diameters large outer tube which is this continuously provided a plurality of said diameter small inner tube after arranged at consecutively provided state, Okudoro tube and the diameter Daisotokan and a waste sludge pipe from both front Symbol starting pit or arrival pit in Tube installation method in which a plurality of the radial small inner tube into the ground mountains by moving to take out removal and wherein placing the continuously provided by the tube.
  3. In tube installation method according to any one of claims 1, 2, pipe installation method being characterized in that disposed a jack device for propulsion in the calling proceeds pit.
  4. In tube installation method according to any one of claims 1, 2, pipe installation wherein the removal takes out the size larger outer tube from arrival pit.
  5. In tube installation method according to claim 4, the position where the outer side of the small-diameter inner tube and the inside of the large-diameter outer tube and penetrations connecting body is provided, further, the respective through-connection body continuously arranged capable constructed, further, the base of the penetrations coupling body is configured to be provided continuously with the diameter larger outer tube proximal position, with the through connection body is continuously provided, continuously provided by said transmural the base of the passage connecting member provided continuously in the radial large outer tube proximal position, the arrival us the diameter Daisotokan the tip of the penetrations coupling body that is continuously provided by引動from the arrival we shafts A tube installation method characterized by removing from a shaft and removing it.
  6. In tube installation method according to claim 5, wherein the arrival we shafts to disposed the di Yakki device, pipe installation method characterized by引動the diameter larger outer tube Ri by this jack device.
  7. In tube installation method according to any one of claims 1 to 6, a filler the diameter small inner tube to emerge Ri by the removal takes out the size larger outer tube and the gap between the ground Mountain A tube installation method characterized by filling.
  8. The pipe body installation method according to any one of claims 1 to 7, wherein a ring body for preventing damage to the side wall is provided at a position where the side hole is drilled as a side wall of the start shaft, and the ring body is excavated. After providing a packing for preventing muddy water flowing from the apparatus side from entering the start shaft, the excavator is inserted into the ring body and the packing to drill the lateral hole. Tube installation method.
JP2003096641A 2003-03-31 2003-03-31 Tube installation method Active JP3978746B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104675405A (en) * 2014-12-31 2015-06-03 上海市机械施工集团有限公司 Rectangular pipe jacking machine tunnel entering auxiliary structure and construction method
CN105570532A (en) * 2015-12-10 2016-05-11 中国十七冶集团有限公司 Deviation rectification construction method for jacking pipe displacement deviation

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CN102505945B (en) * 2011-12-29 2014-07-30 上海市机械施工集团有限公司 Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building
CN103807503B (en) * 2012-11-15 2017-05-17 上海市政工程设计研究总院(集团)有限公司 Construction method for counter-jacking and pulling back large diameter pipeline
KR101944262B1 (en) * 2018-09-12 2019-01-30 주식회사 강물 Simultaneous propulsion construction method using double pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104675405A (en) * 2014-12-31 2015-06-03 上海市机械施工集团有限公司 Rectangular pipe jacking machine tunnel entering auxiliary structure and construction method
CN105570532A (en) * 2015-12-10 2016-05-11 中国十七冶集团有限公司 Deviation rectification construction method for jacking pipe displacement deviation

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