CN107130965B - Method and system for removing anchor cable in tunnel - Google Patents
Method and system for removing anchor cable in tunnel Download PDFInfo
- Publication number
- CN107130965B CN107130965B CN201710350599.5A CN201710350599A CN107130965B CN 107130965 B CN107130965 B CN 107130965B CN 201710350599 A CN201710350599 A CN 201710350599A CN 107130965 B CN107130965 B CN 107130965B
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- vertical shaft
- rope
- sawing
- anchor
- wire saw
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Abstract
The invention discloses a method and a system for removing anchor cables in a tunnel, wherein the method comprises the following steps: excavating a first vertical shaft and a second vertical shaft on two sides of the soil body of the anchor cable area to be cleaned; arranging a first directional hole and a second directional hole in soil between the first vertical shaft and the second vertical shaft, wherein the first directional hole and the second directional hole penetrate through the first vertical shaft and the second vertical shaft; installing a rope sawing machine in the first vertical shaft, and continuously penetrating a sawing rope of the rope sawing machine into the first directional hole and the second directional hole through the second vertical shaft to form a sawing enclosing ring enclosing an anchor rope area; starting the rope sawing machine, sawing the sawing rope from the second vertical shaft to the first vertical shaft, and sawing the anchor rope area in the surrounding ring. According to the invention, the sawing rope is continuously sawed from the second vertical shaft to the first vertical shaft, so that the cutting of a plurality of anchor cables in the anchor cable area is completed at one time, large-area excavation in a tunnel is not needed, meanwhile, the construction is quick, the cost is lower, the anchor cable cutting rate is obvious, and the reliability is strong.
Description
Technical Field
The invention relates to the field of tunnel building construction, in particular to a method and a system for removing anchor cables in a tunnel.
Background
The real estate projects adopt anchor cables as supporting forms of foundation pits in consideration of investment saving, convenient construction and the like, and along with rapid development of rail transit of various large cities in China, anchor cable invasion is often found in the range of subway shield tunnel lines. Because the construction precision of the anchor cable is not high, the deflection is a common condition, the anchor cable is easily cut off by adopting a sleeve method, the anchor cable cannot be completely taken out, and the anchor cable cannot be completely taken out and tunneled in the case of entering a shield tunnel. The anchor cable cleaning construction is carried out by adopting an open cut or mine method, the condition of large-area excavation is required, the anchor cable is often arranged in the city, a plurality of pipelines are arranged above the anchor cable, and meanwhile, the migration and the improvement of traffic roads are considered.
Disclosure of Invention
Aiming at the problem that the anchor cable invades the tunnel in the prior tunnel construction, the invention aims to solve the problem of providing a method and a system for clearing the anchor cable in the tunnel, which do not need to excavate the tunnel in a large area, and have the advantages of quick construction, high anchor cable clarity and strong reliability.
In order to achieve the above purpose, the invention adopts the following construction scheme: a method for clearing anchor ropes in a tunnel comprises the following steps:
excavating a first vertical shaft and a second vertical shaft on two sides of the soil body of the anchor cable area to be cleaned;
arranging a first directional hole and a second directional hole in soil between the first vertical shaft and the second vertical shaft, wherein the first directional hole and the second directional hole penetrate through the first vertical shaft and the second vertical shaft;
installing a wire saw in the first vertical shaft, and continuously penetrating a saw wire of the wire saw into the first directional hole and the second directional hole through the second vertical shaft to form a saw enclosing ring enclosing the anchor wire area;
and starting the wire saw, and sawing the anchor rope region in the sawing enclosure ring from the second vertical shaft to the first vertical shaft by using a sawing wire.
In some embodiments, the first shaft and the second shaft are excavated to a bottom location of the anchor line area.
In some embodiments, a lift table is provided in the first shaft, and the wire saw is provided on the lift table.
In some embodiments, a rope collector is arranged in the rope sawing machine, and the rope collector draws the sawing rope towards the first vertical shaft direction in the process that the sawing rope saw the anchor rope area.
In some embodiments, a sawing machine is arranged in the first vertical shaft, the wire saw is movably arranged on the sawing machine, a moving motor is arranged between the wire saw and the sawing machine, and the moving motor drives the wire saw to move in a direction away from the second vertical shaft in the process of sawing the anchor cable area by the wire saw.
The invention also adopts the following structural scheme: an in-tunnel anchor line clearing system, comprising: the device comprises a first vertical shaft, a second vertical shaft and a wire saw, wherein the first vertical shaft and the second vertical shaft are arranged on two sides of a soil body of an anchor cable area to be cleaned, and the wire saw is arranged in the first vertical shaft; the sawing machine is characterized in that a first directional hole and a second directional hole which are communicated with the first vertical shaft and the second vertical shaft are formed in soil between the first vertical shaft and the second vertical shaft, and a sawing rope of the rope sawing machine continuously penetrates through the first directional hole and the second directional hole through the second vertical shaft to form a sawing enclosing ring enclosing the anchor rope area.
In some embodiments, the wire saw includes an output end and an input end; the saw rope is output from the output end, sequentially passes through the first directional hole, the second vertical shaft and the second directional hole, and is input from the input end.
In some embodiments, a rope retractor for retracting the sawing rope is arranged in the rope sawing machine.
In some embodiments, a sawing machine is arranged in the first vertical shaft, the wire saw is movably arranged on the sawing machine, and a moving motor for driving the wire saw to move away from the second vertical shaft is arranged between the wire saw and the sawing machine.
In some embodiments, a lift table is provided in the first shaft, and the wire saw is provided on the lift table.
By adopting the technical scheme, the invention has the following technical effects: the method comprises the steps of constructing a first vertical shaft and a second vertical shaft on the left side and the right side of an anchor cable area to be cleaned, penetrating a first directional hole and a second directional hole between the first vertical shaft and the second vertical shaft, placing a rope sawing machine in the first vertical shaft, enabling a sawing rope of the rope sawing machine to pass through the first directional hole and the second directional hole to form a sawing enclosure ring, enabling the sawing enclosure ring to be enclosed on the outer side of the anchor cable area, enabling the sawing rope to be continuously sawed from the second vertical shaft to the first vertical shaft through the sawing rope, completing cutting of a plurality of anchor cables in the anchor cable area at one time, eliminating the need of large-area excavation in a tunnel, enabling construction to be fast, enabling the cutting of a plurality of anchor cables to be achieved at one time, enabling the cutting rate of the anchor cables to be remarkable, and being high in reliability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an elevational schematic view of an in-tunnel anchor line clearing system in accordance with an embodiment of the invention.
Fig. 2 is a schematic top view of an in-tunnel anchor line removal system in accordance with an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of an in-tunnel anchor clearance system in accordance with an embodiment of the present invention.
Fig. 4 is a schematic view showing a state of an in-tunnel anchor line clearing system when sawing an anchor line according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of another embodiment of a wire saw in an in-tunnel anchor clearance system of the present invention.
Fig. 6 is a flow chart of a method for clearing anchor lines in a tunnel according to an embodiment of the present invention.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
Specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and specific examples.
The embodiment of the invention mainly provides a method and a system for removing anchor cables in a tunnel, relates to the field of tunnel building construction, and is mainly used for solving the problems: when the anchor cable is immersed in the tunnel, how to cut off the anchor cable to ensure smooth construction of the tunnel. The cable line clearing system in the embodiments of the present invention will be described.
First, referring to fig. 1 and 2, the system for clearing anchor rope in tunnel according to the embodiment of the present invention mainly includes: a first shaft 11, a second shaft 12 and a wire saw 13.
The first shaft 11 and the second shaft 12 are respectively disposed at two sides of the soil body of the anchor cable area to be cleaned, one is disposed at each side and located in the soil body outside the tunnel 10, so that normal construction and use inside the tunnel 10 are not affected. The anchor line area is an aggregate of a plurality of anchor lines 100 which invade the tunnel 10, and may include a vertical area, such as a rectangular area, formed by the aggregate of a plurality of longitudinal rows of anchor lines and a plurality of vertical rows of anchor lines. The first vertical shaft 11 and the second vertical shaft 12 are constructed in a soil excavation mode, the excavation depth of the first vertical shaft 11 and the second vertical shaft 12 is adapted to the position of an anchor cable area, for example, the first vertical shaft 11 and the second vertical shaft 12 are excavated to the bottom position of the anchor cable area, and therefore the wire saw 13 can be directly placed at the bottom of the first vertical shaft 11, and the sawing range of the wire saw 13 is adapted to the anchor cable area. Or, also can set up a lift platform in first shaft, with the rope saw setting up on this lift platform, through adjusting the high position of this lift platform, adjust the cutting data scope of rope saw 13, the anchor rope region of adaptation in different positions, when the anchor rope quantity that needs to cut out is very big and the distribution interval is great, adopt the lift platform can be convenient for cut out the construction to the anchor rope region of different positions in a first shaft, save shaft excavation cost, also be favorable to improving the efficiency of construction.
The wire saw 13 is installed in the first shaft 11, and no other equipment is required to be installed in the second shaft 12, so that only personnel can enter the second shaft 12, and therefore, the size of the second shaft 12 can be smaller than that of the first shaft 11, so that the soil excavation area is reduced, and the construction cost is reduced.
As shown in fig. 3, a first orientation hole 141 and a second orientation hole 142 penetrating the first shaft 11 and the second shaft 12 are provided in the soil body between the first shaft 11 and the second shaft 12. A first directional hole 141 and a second directional hole 142 may be formed in the upper and lower sides of the anchor line region 16 affecting the shield tunnel using directional drilling. In this embodiment, the first orientation hole 141 is located below the second orientation hole 142 with a spacing therebetween that is appropriate for the height of the cable bolt area 16. At this time, the first directional hole 141 traverses the bottom soil body of the anchor line region 16 and both ends thereof are respectively communicated with the first shaft 11 and the second shaft 12. The second directional hole 142 traverses the top soil body of the anchor cable region 16, two ends of the second directional hole are respectively communicated with the first vertical shaft 11 and the second vertical shaft 12, and the first vertical shaft 11, the first directional hole 141, the second vertical shaft 12 and the second directional hole 142 are mutually communicated to form a through loop.
The sawing wire 15 of the wire sawing machine 13 continuously penetrates through the first directional hole 141 and the second directional hole 142 through the second vertical shaft 12 to form a sawing enclosure surrounding the anchor wire area 16, that is, the sawing wire 15 is arranged in a through loop formed by the first vertical shaft 11, the first directional hole 141, the second vertical shaft 12 and the second directional hole 142, and the sawing enclosure matched with the through loop is formed. Slightly different is: the sawing enclosure is U-shaped and only penetrates through the first directional hole 141, the second shaft 12 and the second directional hole 142, but does not need to penetrate through the first shaft 11. When the wire saw 13 is in operation, the saw wire 15 can be controlled to carry out high-speed transmission, and objects contacted with the saw wire 15 are continuously sawn, so that the cutting is completed.
The wire saw 13 comprises an output for the output of the saw wire 15 and an input for the input of the saw wire 15. The wire saw 13 is an existing cutting apparatus, which is a cutting demolition apparatus for thick concrete, irregular concrete, for example: when the concrete structures such as girders, supports, high-speed rail piers, equipment foundations and the like are required to be partially dismantled, only rope saw cutting is adopted, the use method is flexible, transverse cutting and vertical cutting can be realized, anchor cable reinforcing steel bars can be cut, and a rope saw machine is generally manufactured by a rope saw drive, a flywheel, a guide wheel and a rope saw chain (made of diamond materials). The present invention aims to protect how to perform cutting construction of underground anchor lines by using a wire saw, rather than to protect the wire saw itself, and thus reference is made to the prior art with respect to the construction and use of wire saws. The rope saw (made of diamond material) is driven by the rope saw to drive at high speed so as to cut.
As shown in fig. 3, the sawing wire 15 of the wire saw 13 is output from the output end of the wire saw 13, sequentially passes through the first directional hole 141, the second vertical shaft 12 and the second directional hole 142, and is input into the wire saw 13 from the input end of the wire saw 13, and sequentially passes through the high-speed circulation transmission to perform cutting.
Further, the rope sawing machine 13 has a rope winding function, the rope winding function of the sawing rope 15 can be realized by configuring a rope winding device in the rope winding device 13, and the general rope sawing machine 13 has the rope winding function, and the technology is the prior art and is not described in detail. The rope collector in the rope sawing machine draws in the sawing rope from the second vertical shaft to the first vertical shaft direction in the sawing rope sawing process of the anchor rope area, so that the anchor rope area in the sawing enclosing ring is gradually cut from the second vertical shaft to the first vertical shaft direction, the section of the whole anchor rope area in the sawing enclosing ring is sawed, the anchor rope and soil body in the anchor rope area are cut by the sawing rope with high speed until the sawing rope is completely retracted into the rope sawing machine, the cutting of the whole anchor rope area is completed, and therefore the cutting of a plurality of anchor ropes in the anchor rope area can be completed once, large-area excavation in a tunnel is not needed, the construction is rapid, the number of the one-time cutting anchor ropes is more, the cost is low, the anchor rope cutting rate is remarkable, and the reliability is high.
Referring further to fig. 5, an embodiment of a wire saw provided in the present invention is shown in fig. 5, and the wire saw 13 is provided with a main driving wheel 131, a main motor 132 and a moving motor 133. The saw rope 15 is wound on the main machine driving wheel 131, chain transmission is adopted between the main machine driving wheel 131 and the main motor 132, and the main motor 132 can drive the main machine driving wheel 131 to rotate at a high speed so as to drive the saw rope 15 on the main machine driving wheel 131 to drive the saw rope 15 to perform high-speed transmission, so that external sawing is performed. The rope sawing machine 13 is provided with a sawing machine 134 at the bottom, the rope sawing machine 13 is movably arranged on the sawing machine 134, the sawing machine 134 is arranged in the first vertical shaft, the moving motor 133 is connected between the rope sawing machine 13 and the sawing machine 134 in a chain transmission mode, and the moving motor 133 is used for driving the rope sawing machine 13 to move along the sawing machine 134 in a direction away from the second vertical shaft, so that the wire winding device can be replaced in the process of sawing a rope to cut an anchor rope area, and the situation that the second vertical shaft cuts the anchor rope area in the surrounding ring gradually towards the first vertical shaft is realized.
A method for clearing an anchor line in a tunnel according to an embodiment of the present invention will be described in further detail with reference to fig. 3, 4 and 6.
Firstly, the method for removing the anchor cable in the tunnel mainly adopts the system for removing the anchor cable in the tunnel. Specifically, the method for removing the anchor cable in the tunnel comprises the following steps:
step 101: excavating a first vertical shaft 11 and a second vertical shaft 12 on two sides of the soil body of the anchor cable area to be cleaned;
step 102: arranging a first orientation hole 141 and a second orientation hole 142 in soil between the first vertical shaft 11 and the second vertical shaft 12, wherein the first orientation hole 141 and the second orientation hole 142 respectively penetrate through the first vertical shaft 11 and the second vertical shaft 12;
step 103: installing a wire saw 13 in the first vertical shaft 11, continuously penetrating a saw wire 15 of the wire saw 13 into the first orientation hole 141 and the second orientation hole 142 through the second vertical shaft 12 to form a saw cutting enclosing ring enclosing an anchor wire area;
step 104: the wire saw 13 is started and the saw wire 15 is sawed from the second shaft 12 in the direction of the first shaft 11 to cut the anchor wire area in the saw enclosure.
Wherein the first shaft 11 and the second shaft 12 are excavated to the bottom position of the anchor line area so that the wire saw 13 can be directly placed at the bottom of the first shaft 11. The first vertical shaft can be provided with a lifting platform, the wire saw is arranged on the lifting platform, the lifting of the lifting platform is utilized to adjust the height position of the wire saw, and the purpose is that: the sawing range of the wire saw is adapted to the range of the cable zone to be cleared.
In step 104: the wire saw 13 is started and the sawing wire 15 is sawed from the second shaft 12 in the direction of the first shaft 11 to cut the anchor wire area in the surrounding ring, which can be achieved by the following two solutions.
Scheme one:
a rope collector is arranged in the rope sawing machine, and the rope collector draws in the sawing rope from the second vertical shaft to the first vertical shaft in the process of sawing the rope to cut the anchor rope area.
Scheme II:
as shown in fig. 5, a sawing machine 134 is disposed in the first shaft, the wire saw 13 is movably disposed on the sawing machine 134 (when the wire saw is directly disposed on the bottom of the first shaft, the sawing machine is disposed on the bottom of the first shaft; when a lifter table is disposed in the first shaft, the sawing machine is disposed on the lifter table), and a moving motor 133 is disposed between the wire saw 13 and the sawing machine 134, wherein the moving motor 133 drives the wire saw 13 to move away from the second shaft in the process of sawing the anchor cable region by the wire saw 15.
According to the method and the system for removing the anchor cable in the tunnel, pipelines are densely distributed in cities, traffic is busy, under the condition that large-area excavation is not carried out on the ground, when the anchor cable invades the influence range of a shield tunnel, two shafts are respectively constructed on two sides of an anchor cable area, two holes are respectively drilled between the two shafts by directional drilling, a sawing rope of the rope sawing machine penetrates through the two holes, the rope sawing machine is arranged in one shaft, the anchor cable in the line range of a shield area is sawed through sawing of the sawing rope, the shield machine can avoid winding of the anchor cable, and the cut anchor cable area can be passed through forward and backward rotation of a cutter disc. The invention has the advantages that: the large-area excavation is not needed, meanwhile, the construction is quick, dozens or more anchor cables can be cut at one time, the cost is low, the anchor cable cutting rate is high, and the reliability is high.
It should be noted that, the structures, proportions, sizes and the like shown in the drawings attached to the present specification are used for understanding and reading only in conjunction with the disclosure of the present specification, and are not intended to limit the applicable limitations of the present invention, so that any modification of the structures, variation of proportions or adjustment of sizes of the structures, proportions and the like should not be construed as essential to the present invention, and should still fall within the scope of the disclosure of the present invention without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.
Claims (10)
1. The method for clearing the anchor rope in the tunnel is characterized by comprising the following steps of:
excavating a first vertical shaft and a second vertical shaft on two sides of the soil body of the anchor cable area to be cleaned;
arranging a first directional hole and a second directional hole in soil between the first vertical shaft and the second vertical shaft, wherein the first directional hole and the second directional hole penetrate through the first vertical shaft and the second vertical shaft; the first orientation hole is positioned below the second orientation hole, and the interval between the first orientation hole and the second orientation hole is suitable for the height of the anchor cable area;
installing a wire saw in the first vertical shaft, and continuously penetrating a saw wire of the wire saw into the first directional hole and the second directional hole through the second vertical shaft to form a saw enclosing ring enclosing the anchor wire area; arranging a lifting platform in a first vertical shaft, arranging a wire saw on the lifting platform, and adjusting the cutting data range of the wire saw by adjusting the height position of the lifting platform so as to adapt to anchor cable areas at different positions;
and starting the wire saw, and sawing the anchor rope region in the sawing enclosure ring from the second vertical shaft to the first vertical shaft by using a sawing wire.
2. The method for clearing anchor lines in a tunnel according to claim 1, wherein: and excavating the first vertical shaft and the second vertical shaft to the bottom position of the anchor cable area.
3. The method for clearing anchor lines in a tunnel according to claim 1, wherein: the first vertical shaft is internally provided with a lifting platform, and the wire saw is arranged on the lifting platform.
4. The method for clearing anchor lines in a tunnel according to claim 1, wherein: the rope sawing machine is internally provided with a rope collector, and the rope collector draws in the sawing rope towards the first vertical shaft direction in the process of sawing the anchor rope area by the sawing rope.
5. The method for clearing anchor lines in a tunnel according to claim 1, wherein: the sawing machine is arranged in the first vertical shaft, the rope sawing machine is movably arranged on the sawing machine, a moving motor is arranged between the rope sawing machine and the sawing machine, and the moving motor drives the rope sawing machine to move in a direction away from the second vertical shaft in the process of sawing the anchor cable area by the sawing rope.
6. An anchor rope clearance system in tunnel, its characterized in that: the device comprises a first vertical shaft, a second vertical shaft and a wire saw, wherein the first vertical shaft and the second vertical shaft are arranged on two sides of a soil body of an anchor cable area to be cleaned, and the wire saw is arranged in the first vertical shaft; a first directional hole and a second directional hole which penetrate through the first vertical shaft and the second vertical shaft are arranged in soil between the first vertical shaft and the second vertical shaft, the first directional hole is positioned below the second directional hole, and the distance between the first directional hole and the second directional hole is suitable for the height of an anchor cable area; the sawing ropes of the rope sawing machine continuously penetrate through the first directional holes and the second directional holes through the second vertical shaft to form sawing enclosing rings enclosing the anchor rope areas; and arranging a lifting platform in the first vertical shaft, arranging the wire saw on the lifting platform, and adjusting the cutting data range of the wire saw by adjusting the height position of the lifting platform so as to adapt to anchor cable areas at different positions.
7. The in-tunnel anchor line clearing system of claim 6, wherein: the wire saw comprises an output end and an input end; the saw rope is output from the output end, sequentially passes through the first directional hole, the second vertical shaft and the second directional hole, and is input from the input end.
8. The in-tunnel anchor line clearing system of claim 6, wherein: the rope sawing machine is internally provided with a rope collector for collecting the sawing ropes.
9. The in-tunnel anchor line clearing system of claim 6, wherein: the sawing machine is arranged in the first vertical shaft, the wire saw machine is movably arranged on the sawing machine, and a moving motor for driving the wire saw machine to move in a direction away from the second vertical shaft is arranged between the wire saw machine and the sawing machine.
10. The in-tunnel anchor line clearing system of claim 6, wherein: the first vertical shaft is internally provided with a lifting platform, and the wire saw is arranged on the lifting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350599.5A CN107130965B (en) | 2017-05-18 | 2017-05-18 | Method and system for removing anchor cable in tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350599.5A CN107130965B (en) | 2017-05-18 | 2017-05-18 | Method and system for removing anchor cable in tunnel |
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| CN107130965A CN107130965A (en) | 2017-09-05 |
| CN107130965B true CN107130965B (en) | 2023-07-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107859520A (en) * | 2017-11-02 | 2018-03-30 | 中建交通建设集团有限公司 | A kind of slurry shield passes through the driving method in anchor cable area over long distances |
| CN108222012A (en) * | 2017-12-18 | 2018-06-29 | 中冶天工集团有限公司 | A kind of foundation pit anchor cable excision and the construction method that supporting pile is carried out using anchor cable excision system |
| CN109630173A (en) * | 2018-11-16 | 2019-04-16 | 中铁二十局集团轨道交通工程有限公司 | A kind of prestress anchorage cable cleaning plant and method |
| CN113123334B (en) * | 2021-04-22 | 2022-08-12 | 中铁十局集团城市轨道交通工程有限公司 | Anchor cable treatment and stratum reinforcement integrated construction method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0642199A (en) * | 1992-07-24 | 1994-02-15 | Marushin Doro Kogyo:Kk | Wire saw construction method |
| JPH0823172B2 (en) * | 1992-09-11 | 1996-03-06 | 第一ダイヤモンド工事株式会社 | Demolition method for underground structures |
| JPH06312422A (en) * | 1993-04-30 | 1994-11-08 | Komatsu Ltd | Wire sawing machine |
| JP3364306B2 (en) * | 1993-12-17 | 2003-01-08 | 西松建設株式会社 | Extrusion method of extruding tunnel |
| JP2001262975A (en) * | 2000-03-15 | 2001-09-26 | Mitsui Constr Co Ltd | Tunnel removing method and tunnel back-filling method |
| CN101768926A (en) * | 2009-12-29 | 2010-07-07 | 中铁隧道集团有限公司 | Diamond rope saw static force cutting method |
| CN103615249A (en) * | 2013-12-13 | 2014-03-05 | 中国新型建材设计研究院 | Underground cutting mining method of process ore |
| CN104500075B (en) * | 2014-11-19 | 2017-07-04 | 江苏鼎达建筑新技术有限公司 | Rope saw cuts the construction method of underground obstacle |
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