CN105822313A - Method and device for removing obstacle foreign matter in shield section based on transverse channel - Google Patents

Abstract

A method and device for removing obstructive foreign matter in a shield tunneling section based on a transverse channel, the steps of which are: in the section of the shield tunneling machine of a shield tunneling machine, there are installed along the tunneling route of the shield tunneling machine Transverse channel (2), in which the foreign matter is removed, through the transverse channel (2) it is connected with the obstructive foreign matter in the shield section of the shield tunneling machine, and in the transverse channel (2) Obstacle foreign body removal, no longer need the operator to enter the front high-pressure chamber of the shield tunneling machine to remove the anchor cable or bolt, thus improving the working efficiency of the shield tunneling machine and ensuring the personal safety of the operator .

Description

Method and Device for Removing Obstacle Foreign Objects in Shield Tunneling Section Based on Transverse Channel

1. Technical field

The invention relates to a method and a device for removing obstructive foreign objects in a shield tunneling section, in particular to a method and a device for removing obstructive foreign objects in a shield tunneling section based on a transverse channel.

2. Background technology

In underground engineering operations, in order to increase the speed of engineering operations, it is necessary to use shield tunneling machines, but a large number of anchor cables, anchor rods, enclosure piles and steel waist beams left over from the protection construction of high-rise building foundation pits have seriously affected the underground shield. During the construction of the shield tunneling machine, when the shield tunneling machine is advancing, the anchor cables, anchor rods, surrounding piles and steel waist beams are twisted into the front cabin cutter head of the shield tunneling machine, which makes the shield tunneling machine unable to construct and requires operators to enter The removal of anchor cables, anchor rods, surrounding piles and steel waist beams in the front high-pressure chamber of the shield tunneling machine affects the working efficiency of the shield tunneling machine and causes personal injury to the operator. Therefore, based on the transverse passage The method and device for removing obstructive foreign matter in the shield tunneling section is an important construction method and construction device. At present, there is no method and device for removing obstructive foreign matter in the shield tunneling section based on the transverse channel.

3. Contents of the invention

The object of the present invention is a method for removing obstructive foreign matter in the shield interval based on the transverse channel,

The object of the present invention is a device for removing obstructive foreign matter in the shield section based on the transverse channel.

In order to overcome the above-mentioned technical shortcomings, the object of the present invention is to provide a method and device for removing obstructive foreign objects in the shield tunneling section based on the transverse channel, thereby improving the working efficiency of the shield tunneling machine and ensuring the personal safety of the operators. Safety.

In order to achieve the above object, the technical solution adopted by the present invention is: a method for removing obstructive foreign matter in the shield section based on the transverse channel, the steps of which are: in the section of the shield section of the shield tunneling machine, set There are transverse passages distributed along the tunneling route of the shield boring machine, in which foreign objects are removed.

Due to the design of the transverse channel, the barrier foreign matter in the shield section of the shield tunneling machine is connected through the transverse channel, and the obstacle foreign matter is removed in the transverse channel, so that the operator no longer needs to enter the front end of the shield tunneling machine The anchor cables or bolts are removed in the high-pressure chamber, thus improving the working efficiency of the shield tunneling machine and ensuring the personal safety of the operators.

Preferred option one of the present invention:

The outline of the transverse passage is set as an arched portal,

Or the transverse section of the segmented transverse channel along the excavation route of the shield tunneling machine is set to be distributed in variable area,

Or the center of the transverse channel is set to coincide with the center of the shield section of the shield tunneling machine,

Or the center of the transverse channel is set to be misaligned with the center of the shield section of the shield tunneling machine,

Or the ratio of the cross-sectional area of the transverse channel to the cross-sectional area of the shield section is set to 0.28-0.38:1,

Or the ratio of the diameter of the transverse channel to the diameter of the shield section of the shield boring machine is set to 0.3-0.5,

Or the diameter of the transverse channel is set to 2.5-4.0m.

Due to the use of the transverse channel of the arched door-shaped body, the excavation of the transverse channel and the installation of protection in the transverse channel are facilitated. Through the dislocation of the transverse channel and the shield section of the shield tunneling machine, the anchors outside the shield section are retained. Cables, retaining piles and steel waist beams improve the stability of the foundation. Through the design of the ratio of the area and the ratio of the diameter, the excavation volume of the transverse passage is reduced and the excavation volume of the transverse passage and the shield section is matched best. Well, the test results show that the diameter of the transverse channel is 2.5-4.0m, and the construction efficiency is higher.

Preferred scheme two of the present invention:

When removing obstructive foreign matter in the shield section, the passage for removing obstructive foreign matter refers to the horizontal passage. In order to achieve continuous removal of obstructive foreign matter, the horizontal passage extends to the vertical passage connected to the ground. The channel for removing obstructive foreign matter. When the obstructive foreign matter in the shield interval is not exposed in the transverse channel, the vertical working shaft extending from the transverse channel to communicate with the obstructive foreign matter is also the channel for removing obstructive foreign matter. The removal channel is configured to include at least one excavated transverse channel.

Due to the design of the channel for removing obstructive foreign matter, the continuous extension of the horizontal channel in the shield section is realized through the vertical channel, which improves the efficiency of removing obstructive foreign matter. Through the vertical working shaft, the shield machine is enlarged The exposed area of foreign matter in the interval facilitates the operation of foreign matter remaining in the rock and soil mass in the removal channel, making the removal of foreign matter more thorough.

Preferred scheme three of the present invention:

The vertical channel is set as a well-shaped body,

Or the vertical working well is set as a U-shaped trough and the opening of the vertical working well is set on the side wall of the transverse channel.

Due to the design of the vertical channel, the construction of the horizontal channel and the vertical working well and the transfer of materials are facilitated, the construction efficiency is improved, and the air environment in the horizontal channel is also improved. The requirements for the discovery and removal of foreign objects in the shield section also improve the work efficiency of the discovery and removal of foreign objects in the shield section.

Preferred scheme four of the present invention:

In the horizontal and vertical passages, barrier-free protection devices are provided.

Due to the design of the barrier-free protection device, the safety of the horizontal passage and the vertical passage is guaranteed, and the need for long-distance excavation of the horizontal passage and the vertical passage is met.

Preferred scheme five of the present invention:

The barrier-free protection device includes a matrix reinforcement device and an external support device. The matrix reinforcement device is set as a concrete layer, a grid and an anchor rod, and a concrete layer is sprayed on the wall to be supported, and the concrete layer is covered with a grid. grid, the grid is fixed on the wall to be supported through anchor rods, the external support device is set to include arch beams, support beams, side beams and support blocks, and the ends of the arch beams are respectively provided with side beams. A support beam is set between the two side beams and a support block is provided on the inner side of the side beam. The arch beam and the side beam are supported on the wall to be supported, and the telescopic cylinder acts on the support block. Beams are installed and removed.

Or when the anchor rod is installed on the side wall that needs to be supported, it is not necessary to be provided with a supporting crossbeam between the two side beams.

Due to the design of the barrier-free protection device, the stability of the walls of the horizontal passage and the vertical passage is guaranteed through the matrix reinforcement device, and the collapse of the walls of the horizontal passage and the vertical passage is prevented through the external support device. The external support force improves the reliability of the external support device.

Preferred scheme six of the present invention:

The barrier-free protection device arranged in the transverse passage is set to include the advanced barrier-free protection device and the barrier-free protection device,

Or the advanced barrier-free protection device is set as a protective body composed of plastic grids and recyclable anchor rods or non-metallic anchor rods. Metal anchors fix the plastic grating in the excavation of the transverse passage,

Or the barrier-free protective device of the transverse channel is set as a protective layer composed of grids and concrete layers and a detachable support body composed of steel arches, hydraulic props and square braces, and the concrete layer is sprayed to the horizontal channel The top wall of the grid is covered with a grid to form a protective layer, and the upper support wood is placed on the bottom end wall of the transverse passage, and the steel arch frame acts on the grid through hydraulic props to form a support body.

Or the concrete layer is set as a concrete layer with a thickness of 80-400mm and a strength less than C20, and an accelerator is arranged in the concrete layer with a thickness of 80-400mm and a strength less than C20,

Or the barrier-free protection device for vertical passage is set as a protective layer composed of plastic steel grid and concrete layer.

Due to the design of barrier-free protection devices, plastic grids, concrete layers and recyclable anchors or non-metallic anchors are used to prevent damage to the front cabin cutter head of the shield machine, and steel arches, hydraulic props and square bracing are used. The wood meets the working needs of the front cabin cutter head of the shield machine, and will not cause damage to the front cabin cutter head of the shield machine.

Preferred scheme seven of the present invention:

The method of removing obstructive foreign bodies is set to include the method of full casing sleeve extraction, anti-friction extraction and manual excavation.

Or full casing casing method: use split hydraulic drilling rig and casing drill pipe to make a hole around the anchor cable around the anchor cable, strip the anchor cable from the surrounding soil, and use external force to separate the anchor cable and casing drill pipe Pull out together, backfill the anchor hole,

Or the method of friction reduction and extraction: use high-pressure water to cut and strip the soil around the anchor cable, use external force to pull out the anchor cable, and backfill the anchor hole.

Or the method of manual excavation: use Luoyang shovel to excavate the surrounding soil along the direction of the anchor cable, use a drilling rig to separate the steel strand from the anchor, and then use a cutter to cut the steel strand.

Due to the design of the method for removing obstructive foreign matter, the foreign matter in the shield interval is pulled out or crushed through the method of full-sleeve sleeve extraction, friction-reducing pulling out and manual digging, which improves the efficiency of foreign matter removal. Efficiency, realizing the recycling of anchor cables, retaining piles and steel waist beams.

Preferred option eight of the present invention:

The method for removing the anchor cable in the shield interval, the steps are:

1. Excavation of the channel to remove the anchor cable

a. In the shield section, along the tunneling route of the shield tunneling machine, determine the anchor cable through a metal detector, and in the section of the shield section of the shield tunneling machine, excavate horizontally along the tunneling route of the shield tunneling machine aisle;

b. In the horizontal channel, excavate a vertical channel connected with the ground along the radial direction of the section of the shield section of the shield tunneling machine;

c. In the transverse channel, the anchor cable is determined by the metal detector, and the vertical working well connected with the anchor cable is excavated along the radial direction of the section of the shield section of the shield tunneling machine;

Second, the installation of protection

a. Protection of transverse passages: use advanced barrier-free protective devices at the excavation site of the transverse passages, and use barrier-free protective devices for the formed transverse passages;

b. Vertical passage: use barrier-free protective devices on the inner wall of the vertical passage.

3. Removal of anchor cables

Cut off the anchor cable part in the transverse channel, vertical channel and vertical working well. The anchor cables in the

Along the tunneling route of the shield boring machine, a vertical passage is arranged between the ground and the transverse passage, and a vertical working shaft vertically downward is arranged in the transverse passage.

On the tunneling route of the shield tunneling machine, the metal detector is used to determine the anchor cable. In the section of the shield section of the shield tunneling machine, multiple transverse passages are excavated along the tunneling route of the shield tunneling machine to communicate with the anchor cable. The transverse passages are arranged to be distributed along the two wings of the shield section of the shield tunneling machine.

Due to the design of the method for removing the anchor cables in the shield section, within a limited space, the segmental removal of the anchor cables is satisfied, the recovery of the anchor cables is realized, and the operation needs of the shield tunneling machine are met.

Preferred scheme nine of the present invention:

The method for removing the protective piles and steel waist beams in the shield section is as follows:

1. Excavation of passageway for removal of retaining piles and steel waist beams

a. In the shield interval, determine the enclosure piles and steel waist beams through the coordinates of the enclosure piles and steel waist beams along the tunneling route of the shield tunneling machine. In the section of the shield section of the shield tunneling machine, along the The tunneling route of the shield boring machine changes the direction of the transverse channel for the removal of anchor cables;

b. In the horizontal channel, excavate a vertical channel connected with the ground along the radial direction of the section of the shield section of the shield tunneling machine;

c. In the transverse channel, excavate the vertical working well connected with the surrounding protection pile and the steel waist beam along the axial direction of the surrounding protection pile;

Second, the installation of protection

a. Protection of transverse passages: use advanced barrier-free protective devices at the excavation site of the transverse passages, and use barrier-free protective devices for the formed transverse passages;

b. Vertical passage: use barrier-free protective devices on the inner wall of the vertical passage.

3. Removal of retaining piles and steel waist beams

The protective layer of reinforced concrete on the pile body is peeled off by wind pick and the steel bars are cut off by gas cutting to remove the surrounding protection piles, and the surrounding protection piles and steel waist beams in the horizontal passage, vertical passage and vertical working shaft are cut off. The surrounding protection piles and steel waist beams in the rock and soil are excavated forward along the axial direction of the surrounding protection piles and equipped with barrier-free protection devices, so that the pile body of the surrounding protection piles is exposed. After cutting the top and bottom reinforcement bars of the transverse channel , along the top and bottom of the channel, the piles are cut off with picks, and finally broken into pieces and transported out of the hole. After the protective piles are removed, the steel waist beams are naturally exposed, and are cut off section by section by gas cutting.

Expansion spaces are arranged on the left and right side walls of the lateral passages between the protective piles and the steel waist beams.

Due to the design of the method of removing the surrounding protection piles and steel waist beams in the shield section, in a limited space, the segmental crushing and removal of the surrounding protection piles and steel waist beams is satisfied, and the shield tunneling machine is satisfied. job needs.

Preferred scheme ten of the present invention:

A device for removing obstructive foreign matter in a shield section based on a transverse channel, comprising a transverse channel arranged in the shield section of a shield tunneling machine and communicating with the obstructive foreign matter in the shield section, the transverse channel is set as Distributed along the excavation route of the shield boring machine.

Due to the design of the horizontal passage, the space for removing the obstructive foreign matter in the shield section is satisfied through the transverse passage, and the efficiency of removing the obstructive foreign matter in the shield interval is improved.

Preferred scheme eleven of the present invention:

The section and distribution route of the transverse channel are designed in such a way that the section of the shield section of the shield tunneling machine is connected with foreign objects.

Due to the design of the transverse passage, the distribution of obstructive foreign matter in the shield tunneling section is satisfied through the transverse passage, and the accuracy of removing the obstructive foreign matter in the shield tunneling section is improved.

Preferred scheme 12 of the present invention:

It also includes vertical passages, vertical working shafts and barrier-free protection devices. In the section 1 of the shield section, there are transverse passages distributed along the excavation route of the shield tunneling machine and between the transverse passages and the ground. The vertical channel is provided with a vertical working shaft communicating with foreign objects in the horizontal channel and barrier-free protection devices are provided in the horizontal channel and the vertical channel,

The outline of the transverse passage is set as an arched portal,

Or the transverse section of the segmented transverse channel along the excavation route of the shield tunneling machine is set to be distributed in variable area,

Or the center of the transverse channel is set to coincide with the center of the shield section of the shield tunneling machine,

Or the center of the transverse channel is set to be misaligned with the center of the shield section of the shield tunneling machine,

Or the ratio of the cross-sectional area of the transverse channel to the cross-sectional area of the shield section is set to 0.28-0.38:1,

Or the ratio of the diameter of the transverse channel to the diameter of the shield section of the shield boring machine is set to 0.3-0.5,

Or the diameter of the transverse channel is set to 2.5-4.0m,

Or the vertical channel is set as a well-shaped body,

Or the vertical working well is set as a U-shaped trough, and the opening of the vertical working well is set on the side wall of the transverse passage,

Or along the excavation route of the shield boring machine, a vertical passage is provided between the ground and the transverse passage and a vertical working shaft vertically downward is arranged in the transverse passage,

or a plurality of transverse passages are arranged to be distributed along the two wings of the shield section of the shield tunneling machine,

Or the barrier-free protective device includes a base reinforcement device and an external support device. The base reinforcement device is set as a concrete layer, a grid and an anchor rod, and the concrete layer is sprayed on the wall to be supported, and the concrete layer is covered Grille, the grid is fixed on the wall to be supported by anchor rods, the external support device is set to include arch beams, support beams, side beams and support blocks, and the two ends of the arch beams are respectively provided with side beams. A supporting beam is arranged between the two side beams and a supporting block is arranged on the inner side of the side beams.

Or the barrier-free protection device arranged in the transverse passage is set to include the advanced barrier-free protection device and the barrier-free protection device, and the advanced barrier-free protection device is set to consist of a plastic grille and a recyclable anchor rod or a non-metallic anchor rod The barrier-free protective device is set as a protective layer composed of grids and concrete layers and a detachable support composed of steel arches, hydraulic props and square braces.

Or the concrete layer is set as a concrete layer with a thickness of 80-400mm and a strength less than C20, and an accelerator is arranged in the concrete layer with a thickness of 80-400mm and a strength less than C20,

Or the barrier-free protection device arranged in the vertical working shaft is set as the barrier-free protection device and the barrier-free protection device is set as a protective layer composed of plastic-steel grid and concrete layer.

Due to the design of the vertical passage, vertical working shaft and barrier-free protection device, the removal efficiency is improved through the vertical passage and vertical working shaft, and the safety of construction is ensured through the barrier-free protection device. The deformation and mutual arrangement of the vertical channel and the vertical working shaft meet the requirements for foreign objects such as anchor cables, retaining piles and steel waist beams.

In this technical solution:

Obstructive foreign objects refer to metal parts distributed along the operation route of the shield tunneling machine and affecting the operation of the shield tunneling machine, mainly anchor cables, protective piles and steel waist beams.

Anchor cable refers to the whole of cable, rod and outer cement body used for building foundation pit protection.

The transverse channel refers to the tunnel parallel to the working route of the shield tunneling machine.

Vertical passages and vertical working wells refer to the extended parts of the horizontal passages that cover the removal of obstructive foreign objects and have other functions.

The barrier-free protection device refers to the support body that ensures that the transverse passage is in a normal state and does not form obstacles to the operation of the shield boring machine.

When the technical solution uses the diameter to indicate the size of the size, the corresponding cross-section is also a cross-section identified by the diameter, such as a circular cross-section and an elliptical cross-section.

In this technical solution, it is an important technical feature to form a transverse channel connected with the anchor cable in the section of the shield section of the shield tunneling machine. The method and device for removing obstructive foreign objects in the shield section based on the transverse channel In the technical field, there is novelty, creativity and practicability, and the terms in this technical solution can be explained and understood with the patent documents in this technical field.

4. Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of removing the anchor cable of the device for removing obstructive foreign matter in the shield section based on the transverse channel of the present invention:

1-section of the shield section, 2-horizontal passage, 3-vertical passage, 4-vertical working well, 5-anchor cable, 6-obstacle-free protection device,

Fig. 2 is a schematic diagram of removing enclosure piles and steel waist beams of the device for removing obstructive foreign matter in the shield section based on the transverse channel of the present invention:

1- Section of the shield section, 2- Horizontal passage, 3- Vertical passage, 4- Vertical working shaft, 6- Barrier-free protection device, 9- Surrounding pile and steel waist beam.

5. Specific implementation

According to the review guidelines, terms such as "having", "comprising" and "including" used in the present invention should be understood as not deriving the presence or addition of one or more other elements or combinations thereof.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as there is no conflict with each other.

A method for removing obstructive foreign matter in the shield section based on a transverse channel. The present invention will be further described below in conjunction with the examples. The following examples are intended to illustrate the present invention rather than further limit the present invention.

first embodiment,

The method for removing the anchor cable in the shield interval, the steps are:

1. Excavation of the channel to remove the anchor cable

a. In the shield section, along the tunneling route of the shield tunneling machine, determine the anchor cable through a metal detector, and in the section of the shield section of the shield tunneling machine, excavate horizontally along the tunneling route of the shield tunneling machine channel 2;

b. In the transverse channel 2, excavate a vertical channel 3 communicating with the ground along the radial direction of the section of the shield section of the shield tunneling machine;

c. In the transverse channel 2, the anchor cable is determined by a metal detector, and the vertical working shaft 4 communicated with the anchor cable is excavated along the radial direction of the section of the shield section of the shield tunneling machine;

Second, the installation of protection

a. Protection of the transverse channel 2: use an advanced barrier-free protective device 6 at the excavation site of the transverse channel 2, and use an accessible barrier-free protective device 6 for the formed transverse channel 2;

b. Vertical channel 3: use barrier-free protection device 6 on the inner wall of vertical channel 3.

3. Removal of anchor cables

Cut off the part of the anchor cable in the transverse channel 2, vertical channel 3 and vertical working shaft 4, and for the anchor cable existing in the rock and soil mass, the full casing of the anchor cable, anti-friction removal and manual excavation Remove the anchor cable in the rock and soil mass.

In this embodiment, the outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the excavation route of the shield tunneling machine is arranged to be distributed in a variable area, and the diameter of the transverse channel 2 is the same as The ratio of the diameter of the shield section of the shield boring machine is set to 0.3-0.5.

In this embodiment, the vertical channel 3 is set as a circular or rectangular well-shaped body and the vertical working well 4 is set as a U-shaped trough, and the opening of the vertical working well 4 is arranged on the side wall of the transverse channel 2 .

In this embodiment, the ratio of the cross-sectional area of the transverse channel 2 to the cross-sectional area of the shield section is set at 0.28-0.38:1.

In this embodiment, the center of the transverse channel 2 is arranged to coincide with the center of the shield section of the shield tunneling machine, and a vertical channel 3 is arranged between the ground and the transverse channel 2 along the excavation route of the shield tunneling machine And a vertical working shaft 4 vertically downward is arranged in the transverse channel 2 .

In this embodiment, metal detectors are used to determine the anchor cable on the tunneling route of the shield tunneling machine, and multiple transverse passages are excavated along the tunneling route of the shield tunneling machine in the section of the shield section of the shield tunneling machine 2 communicates with the anchor cable, and a plurality of transverse passages 2 are arranged to be distributed along the two wings of the shield section of the shield tunneling machine.

In this embodiment, two transverse passages 2 are excavated along the excavation route of the shield tunneling machine to communicate with the anchor cables, and the diameter of the transverse passages 2 is set to 2.5-4.0m.

In this embodiment, the advanced barrier-free protection device 6 is set as a protective body composed of a plastic grid and a recyclable anchor rod or a non-metallic anchor rod, and the plastic grid is covered on the top wall of the excavation site of the transverse passage 2, The plastic grid is fixed in the excavation site of the transverse channel 2 by retrievable anchor rods or non-metallic anchor rods.

In this embodiment, the barrier-free protection device 6 of the transverse channel 2 is set as a protective layer composed of grids and concrete layers and a detachable support body composed of steel arches, hydraulic props and square braces. The concrete layer is sprayed onto the top wall of the transverse channel 2 and then covered with the grille to form a protective layer, and upper braces are placed on the bottom end wall of the transverse channel 2 and the steel arch frame is applied to the grille through hydraulic props to form a protective layer. support body.

In this embodiment, the concrete layer is set as a concrete layer with a thickness of 80-400 mm and a strength lower than C20, and an accelerator is arranged in the concrete layer with a thickness of 80-400 mm and a strength lower than C20.

In this embodiment, the barrier-free protection device 6 of the vertical channel 3 is set as a protective layer composed of plastic-steel grids and concrete layers.

In this embodiment, the step of taking the full casing: use a split hydraulic drilling rig and a sleeve drill pipe to surround the hole around the anchor cable, peel the anchor cable from the surrounding soil, and use external force to remove the anchor cable. The cable and casing drill pipe are pulled out together, and the anchor hole is backfilled.

In this embodiment, the friction-reducing removal step: use high-pressure water to cut and strip the soil around the anchor cable, use external force to pull out the anchor cable, and backfill the anchor hole.

In this embodiment, manual excavation steps: use Luoyang shovel to excavate the surrounding soil along the direction of the anchor cable, use a drilling rig to separate the steel strand from the anchor, and then use a cutter to cut the steel strand.

In this embodiment, the sprayed layer of modified water glass can also be used instead of the concrete layer, and the modified water glass refers to a mixture of water glass and phosphoric acid.

The method for removing the protective piles and steel waist beams in the shield section is as follows:

1. Excavation of passageway for removal of retaining piles and steel waist beams

a. In the shield interval, determine the enclosure piles and steel waist beams through the coordinates of the enclosure piles and steel waist beams along the tunneling route of the shield tunneling machine. In the section of the shield section of the shield tunneling machine, along the The tunneling route of the shield boring machine changes the direction of the transverse channel 2 for removing anchor cables;

b. In the transverse channel 2, excavate a vertical channel 3 communicating with the ground along the radial direction of the section of the shield section of the shield tunneling machine;

c. In the transverse channel 2, excavate the vertical working well 4 connected with the surrounding protection piles and the steel waist beam along the axial direction of the surrounding protection piles;

Second, the installation of protection

a. Protection of the transverse channel 2: use an advanced barrier-free protective device 6 at the excavation site of the transverse channel 2, and use an accessible barrier-free protective device 6 for the formed transverse channel 2;

b. Vertical channel 3: use barrier-free protection device 6 on the inner wall of vertical channel 3.

3. Removal of retaining piles and steel waist beams

The protective layer of reinforced concrete on the pile body is stripped off with a pick and the steel bars are cut off by gas cutting to remove the surrounding protection piles, and the surrounding protection piles and steel waist beams in the horizontal channel 2, vertical channel 3 and vertical working shaft 4 are removed Part, for the retaining piles and steel waist beams existing in the rock and soil, excavate forward along the axial direction of the retaining piles and carry out barrier-free protection device 6, so that the pile body of the retaining piles is exposed, and the horizontal passage 2 After the top and bottom steel bars are cut off, the piles are cut off with pneumatic picks along the top and bottom of the passage, and finally broken into pieces and transported out of the hole. After the protective piles are removed, the steel waist beams are naturally exposed, and cut off section by section with gas cutting or hydraulic pliers.

In this embodiment, expansion spaces are provided on the left and right side walls of the lateral channel 2 located at the enclosure pile and the steel waist beam.

In this embodiment, the center of the transverse channel 2 is set to be dislocated from the center of the shield section of the shield boring machine.

A method for removing obstructive foreign matter in the shield interval based on the transverse channel, the second embodiment,

The method for removing the anchor cables, retaining piles or steel waist beams in the shield section is as follows:

When removing obstructive foreign objects in the shield section, the channel for removing obstructive foreign objects refers to the horizontal channel 2. In order to achieve continuous removal of obstructive foreign objects, the horizontal channel 2 extends to a vertical channel connected to the ground. Channel 3 is also a channel for removing obstructive foreign matter. When the obstructive foreign matter in the shield section is not exposed in the transverse channel 2, the vertical working shaft 4 extending from the transverse channel 2 to communicate with the obstructive foreign matter is also the removal of obstacles. channel for sexual aliens,

The barrier-free protection device 6 includes a matrix reinforcement device and an external support device, the matrix reinforcement device is set as a concrete layer, a grid and an anchor rod, and the concrete layer is sprayed on the wall to be supported, and the concrete layer is covered Grille, the grid is fixed on the wall to be supported by anchor rods, the external support device is set to include arch beams 61, support beams 62, side beams 63 and support blocks 64 and the end faces of the two ends of the arch beams 61 are respectively set There are side beams 63, a support beam 62 is arranged between the two side beams 63 and a support block 64 is arranged on the inner side of the side beams 63, the arch beam 61 and the side beam 63 are supported on the wall to be supported, and the The telescoping cylinders act on the support blocks 64 to install and remove the arch beams 61 and side beams 63 .

In this embodiment, the anchor rod is set as a recyclable anchor rod or a fiberglass anchor rod. When the fiberglass anchor rod is used, it can no longer be recycled. The grid is set as a plastic grid. When the plastic grid is used, it can Recycling is no longer required. When wood or bamboo boards are used instead of grilles, recycling is no longer required. When steel mesh or steel mesh is used instead of grilles, recycling and removal are required. With anchor rods installed on the side walls, there is no need to provide a supporting beam 62 between the two side beams 63 .

On the basis of the first embodiment and the second embodiment of the method for removing obstructive foreign matter in the shield section based on the transverse channel, according to the distribution of anchor cables, protective piles or steel waist beams, The tunneling route of the shield boring machine and the geological conditions of the construction situation, in order to meet the clear and supportive clauses of the patent document, the first embodiment of other forms,

The outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the tunneling route of the shield tunneling machine is set to be distributed in a variable area. The diameter of the transverse channel 2 is the same as the shield tunneling machine. The ratio of the diameters of the compartments is set to 0.3,

The ratio of the cross-sectional area of the transverse channel 2 to the cross-sectional area of the shield section is set to 0.28:1,

On the tunneling route of the shield tunneling machine, the anchor cable is determined by a metal detector. In the section of the shield section of the shield tunneling machine, two transverse passages 2 are excavated along the tunneling route of the shield tunneling machine to communicate with the anchor cable. The two transverse passages 2 are arranged to be distributed along the two wings of the shield section of the shield tunneling machine,

Two transverse passages 2 are excavated along the excavation route of the shield tunneling machine to communicate with the anchor cables. The diameter of the transverse passage 2 is set to 2.5m.

The concrete layer is set as a concrete layer with a thickness of 80 mm and a strength of C20, and an accelerator is arranged in the concrete layer with a thickness of 80 mm and a strength of C20.

Other forms of the second embodiment,

The outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the tunneling route of the shield tunneling machine is set to be distributed in a variable area. The diameter of the transverse channel 2 is the same as the shield tunneling machine. The ratio of the diameters of the compartments is set to 0.5,

The ratio of the cross-sectional area of the transverse channel 2 to the cross-sectional area of the shield section is set to 0.38:1,

On the tunneling route of the shield tunneling machine, the anchor cable is determined by a metal detector. In the section of the shield section of the shield tunneling machine, three transverse passages 2 are excavated along the tunneling route of the shield tunneling machine to communicate with the anchor cable, and three The transverse channel 2 is set to be distributed along the two wings of the shield section of the shield tunneling machine,

Two transverse passages 2 are excavated along the excavation route of the shield tunneling machine to communicate with the anchor cables. The diameter of the transverse passage 2 is set to 4.0m.

The concrete layer is set as a concrete layer with a thickness of 400mm and a strength lower than C20, and an accelerator is arranged in the concrete layer with a thickness of 400mm and a strength lower than C20.

Other forms of the third embodiment,

The outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the tunneling route of the shield tunneling machine is set to be distributed in a variable area. The diameter of the transverse channel 2 is the same as the shield tunneling machine. The ratio of the diameters of the compartments is set to 0.4,

The ratio of the cross-sectional area of the transverse channel 2 to the cross-sectional area of the shield section is set to 0.33:1,

On the tunneling route of the shield tunneling machine, the anchor cable is determined by a metal detector. In the section of the shield section of the shield tunneling machine, three transverse passages 2 are excavated along the tunneling route of the shield tunneling machine to communicate with the anchor cable, and three The transverse channel 2 is set to be distributed along the two wings of the shield section of the shield tunneling machine,

Two transverse passages 2 are excavated along the excavation route of the shield tunneling machine to communicate with the anchor cables. The diameter of the transverse passage 2 is set to 3.25m.

The concrete layer is set as a concrete layer with a thickness of 240mm and a strength of C20, and an accelerator is arranged in the concrete layer with a thickness of 240mm and a strength of C20.

Other forms of the fourth embodiment,

The outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the tunneling route of the shield tunneling machine is set to be distributed in a variable area. The diameter of the transverse channel 2 is the same as the shield tunneling machine. The ratio of the diameters of the compartments is set to 0.33,

The ratio of the cross-sectional area of the transverse channel 2 to the cross-sectional area of the shield section is set to 0.36:1,

On the tunneling route of the shield tunneling machine, the anchor cable is determined by a metal detector. In the section of the shield section of the shield tunneling machine, four transverse passages 2 are excavated along the tunneling route of the shield tunneling machine to communicate with the anchor cable, and four The transverse channel 2 is set to be distributed along the two wings of the shield section of the shield tunneling machine,

Two transverse passages 2 are excavated along the excavation route of the shield tunneling machine to communicate with the anchor cables. The diameter of the transverse passage 2 is set to 2.52m.

The concrete layer is set as a concrete layer with a thickness of 320mm and a strength lower than C20, and an accelerator is arranged in the concrete layer with a thickness of 320mm and a strength lower than C20.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

A device for removing obstructive foreign matter in the shield tunneling section based on a horizontal channel. The attached drawing shows the first embodiment of the present invention. This embodiment will be described in detail in conjunction with the attached drawing, including a horizontal channel 2 and a vertical channel 3 , the vertical working shaft 4 and the barrier-free protection device 6, in the section 1 of the shield section, there are transverse passages 2 distributed along the excavation route of the shield boring machine, and between the transverse passage 2 and the ground, there are vertical The channel 3 is provided with a vertical working shaft 4 communicating with foreign objects in the transverse channel 2 and an obstacle-free protection device 6 is provided in the transverse channel 2 and the vertical channel 3 .

In this embodiment, the outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the excavation route of the shield tunneling machine is set to be distributed in a variable area. The cross-sectional area of the transverse channel 2 The ratio to the cross-sectional area of the shield section is set at 0.28-0.38:1.

In this embodiment, the vertical channel 3 is set as a well-shaped body and the vertical working well 4 is set as a U-shaped trough, and the opening of the vertical working well 4 is set on the side wall of the transverse channel 2 .

In this embodiment, the barrier-free protection device 6 arranged on the transverse channel 2 is configured to include a forward barrier-free protection device 6 and a barrier-free protection device 6, and the forward barrier-free protection device 6 is set to be made of a plastic grid and a protective body composed of recyclable anchor rods or non-metallic anchor rods, and the barrier-free protective device 6 is set as a protective layer composed of grids and concrete layers, and a protective layer composed of steel arches, hydraulic props and square braces. Remove the support body.

In this embodiment, the concrete layer is set as a concrete layer with a thickness of 80-400 mm and a strength less than C20, and an accelerator is arranged in the concrete layer with a thickness of 80-400 mm and a strength less than C20.

In this embodiment, the barrier-free protection device 6 includes a matrix reinforcement device and an external support device, and the matrix reinforcement device is configured as a concrete layer, a grid and an anchor rod, and a concrete layer is sprayed on the wall to be supported, Cover the grid on the concrete layer, the grid is fixed on the wall to be supported by anchor rods, and the external support device is set to include arch beams 61, support beams 62, side beams 63 and support blocks 64 and the arch beam 61 Side beams 63 are respectively provided on the end surfaces of both ends, a support beam 62 is provided between the two side beams 63 and a support block 64 is provided on the inner surface of the side beams 63 .

The arch beam 61 and the side beam 63 are supported on the wall to be supported, and the telescopic cylinder acts on the support block 64 to install and remove the arch beam 61 and the side beam 63 .

In this embodiment, the barrier-free protection device 6 arranged on the vertical working shaft 4 is set as the barrier-free protection device 6 and the barrier-free protection device 6 is set as a protective layer composed of plastic-steel grids and concrete layers.

In this embodiment, the center of the transverse channel 2 is arranged to coincide with the center of the shield section of the shield tunneling machine, and a vertical channel 3 is arranged between the ground and the transverse channel 2 along the excavation route of the shield tunneling machine And a vertical working shaft 4 vertically downward is arranged in the transverse channel 2 .

A device for removing obstructive foreign matter in the shield section based on a transverse channel, the accompanying drawing is the second embodiment of the present invention,

A plurality of transverse passages 2 are arranged to be distributed along the two wings of the shield section of the shield boring machine.

The ratio of the diameter of the transverse channel 2 to the diameter of the shield section of the shield tunneling machine is set to 0.3-0.5 and two transverse channels 2 are excavated along the tunneling route of the shield tunneling machine to communicate with foreign objects, and the diameter of the transverse channel 2 is set to 2.5-4.0m.

In the horizontal channel 2, the vertical channel 3 and the vertical working shaft 4, the exposed foreign body part is cut off, and the foreign body existing in the rock and soil mass is removed by pulling out and crushing.

On the basis of the first embodiment and the second embodiment of a device for removing obstructive foreign matter in the shield section based on the transverse channel, according to the distribution of anchor cables, protective piles or steel waist beams, The tunneling route of the shield boring machine and the geological conditions of the construction situation, in order to meet the clear and supportive clauses of the patent document, the first embodiment of other forms,

The outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the excavation route of the shield tunneling machine is set to have a variable area distribution. The area ratio is set to 0.28:1,

The concrete layer is set as a concrete layer with a thickness of 80mm and a strength of C20, and an accelerator is arranged in the concrete layer with a thickness of 80mm and a strength of C20,

The four transverse passages 2 are arranged to be distributed along the two wings of the shield section of the shield tunneling machine,

The ratio of the diameter of the transverse channel 2 to the diameter of the shield section of the shield tunneling machine is set to 0.3 and four transverse channels 2 are excavated along the tunneling route of the shield tunneling machine to communicate with foreign objects, and the diameter of the transverse channel 2 is set to 2.5m.

Other forms of the second embodiment,

The outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the excavation route of the shield tunneling machine is set to have a variable area distribution. The area ratio is set to 0.38:1,

The concrete layer is set as a concrete layer with a thickness of 400mm and a strength less than C20, and an accelerator is arranged in the concrete layer with a thickness of 400mm and a strength less than C20,

The two transverse passages 2 are arranged to be distributed along the two wings of the shield section of the shield tunneling machine,

The ratio of the diameter of the transverse passage 2 to the diameter of the shield section of the shield tunneling machine is set to 0.5 and two transverse passages 2 are excavated along the tunneling route of the shield tunneling machine to communicate with foreign objects, and the diameter of the transverse passage 2 is set to 4.0m .

Other forms of the third embodiment,

The outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the excavation route of the shield tunneling machine is set to have a variable area distribution. The area ratio is set to 0.33:1,

The concrete layer is set as a concrete layer with a thickness of 240mm and a strength less than C20, and an accelerator is arranged in the concrete layer with a thickness of 240mm and a strength less than C20,

Three transverse passages 2 are arranged to be distributed along the two wings of the shield section of the shield tunneling machine,

The ratio of the diameter of the transverse channel 2 to the diameter of the shield section of the shield tunneling machine is set to 0.4, and three transverse channels 2 are excavated along the tunneling route of the shield tunneling machine to communicate with foreign objects, and the diameter of the transverse channel 2 is set to 3.25m.

Other forms of the fourth embodiment,

The outline of the transverse channel 2 is set as an arched door-shaped body and the transverse section of the segmental transverse channel 2 along the excavation route of the shield tunneling machine is set to have a variable area distribution. The area ratio is set to 0.30:1,

The concrete layer is set as a concrete layer with a thickness of 330mm and a strength less than C20, and an accelerator is arranged in the concrete layer with a thickness of 330mm and a strength less than C20,

The two transverse passages 2 are arranged to be distributed along the two wings of the shield section of the shield tunneling machine,

The ratio of the diameter of the transverse channel 2 to the diameter of the shield section of the shield tunneling machine is set to 0.33, and two transverse channels 2 are excavated along the tunneling route of the shield tunneling machine to communicate with foreign objects, and the diameter of the transverse channel 2 is set to 3.6m .

The present invention has following characteristics:

1. Due to the design of the transverse passage 2, the transverse passage 2 is connected with the obstructive foreign matter in the shield section of the shield tunneling machine, and the obstacle foreign matter is removed in the transverse passage 2, so that the operator no longer needs to enter the shield The anchor cables or bolts are removed from the high-pressure chamber at the front end of the shield tunneling machine, thus improving the working efficiency of the shield tunneling machine and ensuring the personal safety of the operators.

2. Due to the design of the removal channel, the anchor cable remaining in the rock and soil mass is operated in the removal channel, so that the removal of the anchor cable does not require the operator to enter the front high-pressure chamber of the shield tunneling machine The anchor cable or anchor rod is removed in the middle, thus improving the working efficiency of the shield boring machine and ensuring the personal safety of the operator.

3. Due to the design of the removal channel, the removal operation is facilitated.

4. Due to the design of the removal channel, the barrier-free protection device 6 is recovered, which reduces the construction cost.

5. Due to the limitation of the numerical range of the structural shape, the numerical range is the technical feature in the technical solution of the present invention, not the technical feature obtained through formula calculation or limited number of tests. The test shows that the numerical range is Technical Features A very good technical effect has been achieved.

6. Due to the design of the technical features of the present invention, the tests show that the various performance indicators of the present invention are at least 1.7 times that of the existing various performance indicators. Very good market value with appraisal.

There are other technical features associated with forming the transverse channel 2 connected with the anchor cable in the section of the shield section of the shield boring machine, which are all one of the embodiments of the present invention, and each of the above-mentioned embodiments The technical features can be combined arbitrarily. In order to meet the requirements of the Patent Law, Patent Implementation Rules and Examination Guidelines, all possible combinations of the technical features in the above embodiments are not described again.

The above-mentioned embodiment is only an implementation form of the method and device for removing obstructive foreign matter in the shield section based on the transverse channel provided by the present invention. According to other variations of the solution provided by the present invention, the components thereof are increased or decreased or steps, or using the present invention in other technical fields close to the present invention, all belong to the protection scope of the present invention.

Claims (10)

1. method foreign body dyskinetic in shield interval removed based on interconnection, it is characterized in that: the steps include: in the section that the shield of shield excavation machine is interval, it is provided with the interconnection (2) of the driving route distribution along shield excavation machine, in interconnection (2), foreign body is removed.

The method removed foreign body dyskinetic in shield interval based on interconnection the most according to claim 1, is characterized in that:

The contour line of interconnection (2) is set to arch gate-shaped body,

Or be set to be distributed in variable area along the lateral cross section of section shape interconnection (2) of the driving route of shield excavation machine,

Or interconnection (2) centrally disposed is the center superposition distribution that the shield with shield excavation machine is interval,

Or interconnection (2) centrally disposed is the off(-)center distribution that the shield with shield excavation machine is interval,

Or the ratio setting of the cross-sectional area in the cross-sectional area of interconnection (2) and shield interval is 0.28-0.38:1,

Or the ratio setting of the diameter in the shield interval of the diameter of interconnection (2) and shield excavation machine is 0.3-0.5,

Or the diameter of interconnection (2) is set to 2.5-4.0m.

The method removed foreign body dyskinetic in shield interval based on interconnection the most according to claim 1, is characterized in that:

When in shield interval, dyskinetic foreign body removes, the passage removing dyskinetic foreign body refers to interconnection (2), when in order to remove dyskinetic foreign body with realizing seriality, the vertical passageway (3) that interconnection (2) extends to connect with ground is also the passage removing dyskinetic foreign body, when the dyskinetic foreign body being in shield interval do not have exposed in interconnection (2) time, the vertical active well (4) that interconnection (2) extends to connect with dyskinetic foreign body is also the passage removing dyskinetic foreign body, remove passage and be set to include the interconnection (2) of at least one excavation.

The method removed foreign body dyskinetic in shield interval based on interconnection the most according to claim 3, is characterized in that:

Vertical passageway (3) is set to well shape body,

Or the uncovered portion that vertical active well (4) is set to U-shaped cell body and vertical active well (4) is arranged on the sidewall of interconnection (2).

The method removed foreign body dyskinetic in shield interval based on interconnection the most according to claim 1, is characterized in that:

In interconnection (2) and vertical passageway (3), it is provided with Barrien-free preventer (6).

The method removed foreign body dyskinetic in shield interval based on interconnection the most according to claim 5, is characterized in that:

nullBarrien-free preventer (6) includes matrix bracing means and outer support device，Matrix bracing means is set to concrete layer body、Grid and anchor pole and on the wall need supporting, be injected with concrete layer body，Grating on concrete layer body，Grid is fixed on the wall needing supporting by anchor pole，Outer support device is set to include arched girder (61)、Support crossbeam (62)、The two ends end face portion of curb girder (63) and a bracer (64) and arched girder (61) is respectively arranged with curb girder (63)，It is provided with between two curb girders (63) and supports crossbeam (62) and the inner side face of curb girder (63) is provided with a bracer (64)，Arched girder (61) and curb girder (63) supporting are on the wall needing supporting，Acted on a bracer (64) by telescoping cylinder，Arched girder (61) and curb girder (63) are installed and removed，

Or when being mounted with anchor pole on the sidewall need supporting, avoid the need between two curb girders (63), be provided with support crossbeam (62).

The method removed foreign body dyskinetic in shield interval based on interconnection the most according to claim 5, is characterized in that:

The Barrien-free preventer (6) being arranged on interconnection (2) is set to include advanced Barrien-free preventer (6) and Barrien-free preventer (6),

Or Barrien-free preventer (6) is set to the protection body being made up of plastic grill and recoverable anchor rod or non-metallic rock in advance, the roof at interconnection (2) excavation position covers plastic grill, by recoverable anchor rod or non-metallic rock, plastic grill is fixed in interconnection (2) excavation position

Or the Barrien-free preventer (6) of interconnection (2) is set to the overcoat being made up of grid and concrete layer body and the detachable supporter being made up of support steel arch-shelf, hydraulic prop and side's gallows timber, concrete layer body is ejected on the roof of interconnection (2) grating again, form overcoat, in the base end wall of interconnection (2) side's of putting gallows timber and by hydraulic prop support steel arch-shelf act on grid, form supporter

Or concrete layer body be set to thickness be 80-400mm, intensity less than the concrete layer body of C20, be 80-400mm at thickness, the intensity concrete layer body less than C20 be provided with accelerator,

Or the Barrien-free preventer (6) of vertical passageway (3) is set to the overcoat that is made up of composite plastic steel grating and concrete layer body.

The method removed foreign body dyskinetic in shield interval based on interconnection the most according to claim 1, is characterized in that:

The method removing dyskinetic foreign body is set to include full-sleeve set access method, antifriction removal method and excavated by manual work and removes method,

Or full-sleeve set access method: use Split type hydraulic rig and set cylinder drill pipe to carry out being looped around the hole body of anchor cable at the periphery of anchor cable, anchor cable peeled off with surrounding soil, by external force, anchor cable is extracted together with set cylinder drill pipe, backfill anchor hole,

Or the method that antifriction is pulled out: use water under high pressure that anchor cable surrounding soil carries out cutting and peel off, utilize external force to be extracted by anchor cable, backfill anchor hole,

Or the method that excavated by manual work removes: use Luoyang Spade, along anchor cable direction, surrounding soil is excavated, utilize rig to be peeled off with anchoring body by steel strand wires, then use cutter to be cut off by steel strand wires.

The method removed foreign body dyskinetic in shield interval based on interconnection the most according to claim 1, is characterized in that:

The method removing the anchor cable in shield interval, the steps include:

One, the excavation of the passage of anchor cable is removed

A, in shield interval in, along the driving route of shield excavation machine, determine anchor cable by metal detector, in the section that the shield of shield excavation machine is interval, the driving route along shield excavation machine excavates interconnection (2)；

B, in interconnection (2), the vertical passageway (3) communicated with ground is excavated in the radial line direction of the section that shield along shield excavation machine is interval；

C, in interconnection (2), determine anchor cable by metal detector, the vertical active well (4) communicated with anchor cable is excavated in the radial line direction of the section that shield along shield excavation machine is interval；

Two, the installation of protection

A, the protection of interconnection (2): using advanced Barrien-free preventer (6) at interconnection (2) excavation position, using the interconnection (2) formed can Barrien-free preventer (6)；

B, vertical passageway (3): on the inwall of vertical passageway (3), use Barrien-free preventer (6),

Three, the removing of anchor cable

Excision anchor cable part in interconnection (2), vertical passageway (3) and vertical active well (4), for there is the anchor cable in Rock And Soil, by anchor cable full-sleeve is extracted, antifriction pull out and excavated by manual work remove by the way of the anchor cable in Rock And Soil is removed,

Along the driving route of shield excavation machine, between ground and interconnection (2), it is provided with vertical passageway (3) and in interconnection (2), is provided with vertical active well (4) vertically downward,

The driving route of shield excavation machine determines anchor cable by metal detector, in the section that the shield of shield excavation machine is interval, driving route along shield excavation machine excavates a plurality of interconnection (2) and communicates with anchor cable, a plurality of interconnection (2) is set to the shield interval both wings distribution along shield excavation machine

Or the method that the fender post in shield interval and steel waist rail removed, the steps include:

One, the excavation of the passage of fender post and steel waist rail is removed

A, in shield interval in, fender post and steel waist rail is determined by fender post and steel waist rail coordinate along the driving route of shield excavation machine, in the section that the shield of shield excavation machine is interval, the driving route along shield excavation machine changes interconnection (2) direction for removing anchor cable；

B, in interconnection (2), the vertical passageway (3) communicated with ground is excavated in the radial line direction of the section that shield along shield excavation machine is interval；

C, in interconnection (2), the axis direction along fender post excavates the vertical active well (4) that communicates with fender post and steel waist rail；

Two, the installation of protection

A, the protection of interconnection (2): using advanced Barrien-free preventer (6) at interconnection (2) excavation position, using the interconnection (2) formed can Barrien-free preventer (6)；

B, vertical passageway (3): on the inwall of vertical passageway (3), use Barrien-free preventer (6),

Three, the removing of fender post and steel waist rail

By pneumatic pick pile body reinforced concrete protective layer peeled off and use gas cutting to be cut off by reinforcing bar and fender post is removed, excision is in interconnection (2), fender post in vertical passageway (3) and vertical active well (4) and steel waist rail part, for there is the fender post in Rock And Soil and steel waist rail, and excavate forward along fender post axis direction and carry out Barrien-free preventer (6), the pile body making fender post is exposed, after interconnection (2) top and bottom reinforcement bars are cut off, along channel roof and bottom pneumatic pick, stake is blocked, finally crush in bulk and transport outside hole, after fender post is removed, steel waist rail natural exposing is out, gas cutting is used to cut off piecemeal,

The left and right sidewall at interconnection (2) position being in fender post and steel waist rail is provided with extending space.

10. device foreign body dyskinetic in shield interval removed based on interconnection, include the interconnection (2) being arranged in the shield interval of shield excavation machine and connecting with dyskinetic foreign body in shield interval, interconnection (2) is set to be distributed along the driving route of shield excavation machine

Or design section and the distribution link of interconnection (2) according to the section in the shield interval of shield excavation machine forms the mode connected with foreign body,

Or also include vertical passageway (3), vertical active well (4) and Barrien-free preventer (6), in the section 1 that shield is interval, it is provided with the interconnection (2) of the driving route distribution along shield excavation machine and between interconnection (2) and ground, is provided with vertical passageway (3), in interconnection (2), it is provided with the vertical active well (4) communicated with foreign body and is provided with Barrien-free preventer (6) in interconnection (2) and vertical passageway (3)

Or the contour line of interconnection (2) is set to arch gate-shaped body,

Or be set to be distributed in variable area along the lateral cross section of section shape interconnection (2) of the driving route of shield excavation machine,

Or interconnection (2) centrally disposed is the center superposition distribution that the shield with shield excavation machine is interval,

Or interconnection (2) centrally disposed is the off(-)center distribution that the shield with shield excavation machine is interval,

Or the ratio setting of the cross-sectional area in the cross-sectional area of interconnection (2) and shield interval is 0.28-0.38:1,

Or the ratio setting of the diameter in the shield interval of the diameter of interconnection (2) and shield excavation machine is 0.3-0.5,

Or the diameter of interconnection (2) is set to 2.5-4.0m,

Or vertical passageway (3) are set to well shape body,

Or vertically active well (4) is set to U-shaped cell body, the uncovered portion of vertical active well (4) is arranged on the sidewall of interconnection (2),

Or along the driving route of shield excavation machine, between ground and interconnection (2), be provided with vertical passageway (3) and in interconnection (2), be provided with vertical active well (4) vertically downward,

Or a plurality of interconnection (2) is set to the shield interval both wings distribution along shield excavation machine,

Or Barrien-free preventer (6) includes matrix bracing means and outer support device, matrix bracing means is set to concrete layer body, grid and anchor pole and on the wall need supporting, be injected with concrete layer body, grating on concrete layer body, grid is fixed on the wall needing supporting by anchor pole, outer support device is set to include arched girder (61), support crossbeam (62), the two ends end face portion of curb girder (63) and a bracer (64) and arched girder (61) is respectively arranged with curb girder (63), it is provided with between two curb girders (63) and supports crossbeam (62) and the inner side face of curb girder (63) is provided with a bracer (64),

Or the Barrien-free preventer (6) being arranged on interconnection (2) is set to include advanced Barrien-free preventer (6) and Barrien-free preventer (6), advanced Barrien-free preventer (6) is set to the protection body that is made up of plastic grill and recoverable anchor rod or non-metallic rock and Barrien-free preventer (6) is set to the overcoat being made up of grid and concrete layer body and the detachable supporter being made up of support steel arch-shelf, hydraulic prop and side's gallows timber

Or concrete layer body be set to thickness be 80-400mm, intensity less than C20 concrete layer body and thickness be 80-400mm, intensity less than C20 concrete layer body in be provided with accelerator,

Or the Barrien-free preventer (6) being arranged on vertical active well (4) is set to Barrien-free preventer (6) and Barrien-free preventer (6) is set to the overcoat that is made up of composite plastic steel grating and concrete layer body.