Shield water-leakage-proof duct piece based on electroosmosis and laying method of shield water-leakage-proof duct piece

Abstract

The invention belongs to the technical field of shield construction, and provides an electroosmosis-based shield leakage-proof duct piece and a laying method thereof.The electroosmosis-based shield leakage-proof duct piece comprises a duct piece body, the inner side and the outer side of the duct piece body are provided with a top interlayer assembly and a bottom interlayer assembly correspondingly, and the top interlayer assembly and the bottom interlayer assembly are detachably connected through an anchor pulling assembly; the top interlayer assembly, the bottom interlayer assembly and the duct piece body are arranged in a staggered mode. The electrode holes are formed in the duct piece main body in the axis direction of the duct piece main body, the two ends of each electrode hole penetrate through the two side walls of the duct piece main body respectively, the electrode holes are used for containing positive electrode columns, a communicating groove assembly is further arranged in the duct piece main body, and the communicating groove assembly communicates with the electrode holes; and the negative pole is arranged in a soil layer which is a certain distance away from the duct piece main body. The waterproof performance of the duct piece can be enhanced, and the risk of water seepage and permeation through the tunnel duct piece is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of shield construction, and in particular relates to an anti-leakage water pipe segment for a shield based on electro-osmosis and a laying method thereof. Background Art

[0002] Today, shield segment waterproofing mainly uses simultaneous grouting and secondary grouting to form the first line of defense, and then the segment self-waterproofing and rubber sealing simultaneously form the second line of defense, and finally polyurethane is injected to form the third line of defense.

[0003] Reinforced concrete segments are prone to problems such as uneven circular segment surface, segment surface not being perpendicular to the tunnel design axis, longitudinal joints failing to form an effective seal, rotation of the entire circular ring, connection bolts not being tightened to the standard, segment breakage, breakage of staggered assembled segments, excessive segment ring height difference, and excessive segment ovality. In addition, the construction joints of shield tunnel segments are prone to water leakage because they are close to highly permeable strata. Summary of the invention

[0004] The purpose of the present invention is to provide a water-proof shield segment based on electro-osmosis and a laying method thereof, so as to solve the above-mentioned problems, enhance the waterproofness of the segment, and reduce the risk of water seepage and permeation through the tunnel segment.

[0005] To achieve the above object, the present invention provides the following solution: a shield water leakage-proof segment based on electro-osmosis, comprising:

[0006] A segment body, wherein a top sandwich assembly and a bottom sandwich assembly are respectively arranged on the inner and outer sides of the segment body, the top sandwich assembly and the bottom sandwich assembly are detachably connected via an anchor assembly, and the top sandwich assembly, the bottom sandwich assembly and the segment body are staggered;

[0007] A plurality of electrode holes, wherein the plurality of electrode holes are opened in the tube body along the axial direction of the tube body, and the two ends of the plurality of electrode holes respectively penetrate the two side walls of the tube body, and the plurality of electrode holes are used to place positive poles. A connecting groove assembly is also provided in the tube body, and the connecting groove assembly is connected with the plurality of electrode holes;

[0008] A negative pole is arranged in a soil layer at a certain distance from the segment body.

[0009] Preferably, the connecting groove assembly includes two groups of placement grooves opened on the inner side of the tube segment body, the two groups of placement grooves are arranged perpendicular to the axis of the tube segment body, and the two groups of placement grooves are arranged on both sides of the tube segment body and connected with the electrode holes.

[0010] Preferably, the top interlayer assembly includes an upper elastic pad, the inner side of the upper elastic pad is fitted with the tube segment body, an upper arc pressure plate is provided on the outer side of the upper elastic pad, the inner side of the upper arc pressure plate is fitted with the outer side wall of the upper elastic pad, the edge of the upper arc pressure plate is flush with the edge of the upper elastic pad, two adjacent edges of the upper elastic pad extend out of two adjacent edges of the tube segment body, and the other two adjacent edges of the tube segment body extend out of the other two adjacent edges of the upper elastic pad.

[0011] Preferably, the bottom sandwich assembly includes a lower elastic pad, the outer side of the lower elastic pad is in contact with the inner side of the tube segment body, a lower arc pressure plate is provided on the inner side of the lower elastic pad, the outer side of the lower arc pressure plate is in contact with the inner side of the lower elastic pad, and the edge of the lower elastic pad is flush with the edge of the upper elastic pad.

[0012] Preferably, two groups of top blocks are fixedly connected to the outer side of the lower elastic pad, and the two groups of top blocks are respectively arranged corresponding to the two groups of placement grooves.

[0013] Preferably, the anchor assembly includes a plurality of pull rods fixedly connected to the inner side of the upper arc-shaped pressure plate, a plurality of first through holes are provided on the upper elastic pad, a plurality of second through holes are provided on the pipe segment body, a plurality of third through holes are provided on the lower elastic pad, and a plurality of mounting holes are provided on the lower arc-shaped pressure plate. The ends of the pull rods away from the upper arc-shaped pressure plate respectively pass through a plurality of the first through holes, a plurality of second through holes, a plurality of third through holes and a plurality of mounting holes and are detachably connected with nuts, and the nuts fit with the bottoms of the mounting holes.

[0014] Preferably, a plurality of connecting mechanisms are respectively provided on both sides of the segment body, and the connecting mechanisms include an operating hole opened on the inner side wall of the segment body, one end of the operating hole is opened on the side wall close to the edge of the segment body, and the other end of the arc-shaped connecting hole passes through the side wall of the segment body, and between two adjacent segment bodies, an arc-shaped connecting steel bar passes through the two interconnected arc-shaped connecting holes, and both ends of the arc-shaped connecting steel bar are respectively detachably connected with connecting nuts, and the connecting nuts are fitted with the side walls of the operating holes.

[0015] Preferably, a boss is fixedly connected to one side wall of the segment body, and the boss is arranged parallel to the axis of the segment body. A groove is opened on the other side wall of the segment body, and the groove is arranged parallel to the axis of the segment body. The boss on one segment body is matched with the groove on the adjacent segment body.

[0016] A method for laying water-proof shield segments based on electro-osmosis, the operation steps comprising:

[0017] The water-proof segments are laid on the tunnel wall by using laying equipment, so that the side walls of adjacent segment bodies are fitted together, and at the same time, the protruding part of one segment body relative to the top sandwich assembly and the bottom sandwich assembly is cross-fitted with the protruding part of the top sandwich assembly and the bottom sandwich assembly on the adjacent segment body, and the adjacent segment bodies are connected;

[0018] After the anti-leakage water pipe segments are laid, several positive poles are inserted into several electrode holes;

[0019] The lower sandwich assembly on the tube body at both ends is removed by the anchor assembly, and the ends of some positive poles are connected as needed by the connecting groove assembly, so that several positive poles are connected in series;

[0020] A negative pole is implanted in the soil layer at a certain distance above the tunnel, and the positive pole and negative pole are connected to the positive and negative poles of the power supply respectively.

[0021] Compared with the prior art, the present invention has the following advantages and technical effects: the main function of the top interlayer assembly and the bottom interlayer assembly is to form a layered structure with the segment body and to form an interlaced connection structure at the edge portion, so that the two segment bodies can be staggered when spliced, thereby improving the waterproof performance; the main function of the connecting groove assembly is to connect several positive poles in several segment bodies in series; the main function of the positive pole and the negative pole is to form an electric field between the two, and utilize the electric field to move water molecules toward the negative pole, thereby reducing the movement of water in the soil layer toward the segment and reducing the risk of water seepage and leakage. On the whole, the present invention forms a staggered assembly through the top interlayer assembly and the bottom interlayer assembly, which can effectively extend the flow path of water in the soil layer into the tunnel, and improve the waterproof performance after assembly through the close fit between the top interlayer assembly and the bottom interlayer assembly and the segment body. At the same time, by arranging a positive electrode column in the segment body and a negative electrode column in the soil layer, the principle of electro-osmosis is used to drain the moisture in the soil layer away from the segment body, thereby further reducing the leakage of moisture into the segment and improving the anti-leakage effect of the segment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the anti-leakage water pipe segment of the present invention;

[0024] Figure 2 It is a schematic diagram of the main body of the pipe segment of the present invention;

[0025] Figure 3 is a schematic diagram of an upper elastic pad and a lower elastic pad of the present invention;

[0026] Figure 4 Schematic diagram of the upper arc-shaped pressing plate and the lower arc-shaped pressing plate of the present invention;

[0027] Figure 5 It is a bottom view of the main body of the pipe segment of the present invention;

[0028] Figure 6 A schematic diagram of the distribution of electrode columns in a tunnel using the anti-leakage segment of the present invention;

[0029] Figure 7 is a schematic diagram of the anchor assembly of the present invention;

[0030] Figure 8 is a schematic diagram of a main control unit of the present invention;

[0031] Among them, 1. the main body of the tube segment; 2. the electrode hole; 3. the lower elastic pad; 4. the upper elastic pad; 5. the upper arc-shaped pressure plate; 6. the lower arc-shaped pressure plate; 7. the boss; 8. the arc-shaped connecting hole; 9. the groove; 10. the placement slot; 11. the operation hole; 12. the first through hole; 13. the top block; 14. the pull rod; 15. the mounting hole; 16. the positive pole; 17. the connecting pole; 18. the negative pole; 19. the second through hole; 20. the third through hole; 21. the nut; 22. the control unit; 23. the voltage adjustment knob; 24. the pulse period adjustment knob; 25. the current adjustment knob; 26. the electrode column; 27. the display screen; 28. the oscilloscope. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] Reference Figure 1-Figure 7 The present invention provides a shield water leakage-proof segment based on electro-osmosis, comprising:

[0035] The segment body 1, the inner and outer sides of the segment body 1 are respectively provided with a top sandwich assembly and a bottom sandwich assembly, the top sandwich assembly and the bottom sandwich assembly are detachably connected through an anchor assembly, and the top sandwich assembly, the bottom sandwich assembly and the segment body 1 are staggered;

[0036] A plurality of electrode holes 2 are provided in the tube segment body 1 along the axial direction of the tube segment body 1, and both ends of the plurality of electrode holes 2 respectively penetrate through the two side walls of the tube segment body 1, and the plurality of electrode holes 2 are used to place the positive poles 16. A connecting groove assembly is also provided in the tube segment body 1, and the connecting groove assembly is connected with the plurality of electrode holes 2;

[0037] The negative pole column 18 is arranged in a soil layer at a certain distance from the segment body 1 .

[0038] The main function of the top sandwich assembly and the bottom sandwich assembly is to form a layered structure with the segment body 1 and to form an interlaced connection structure at the edge, so that the two segment bodies 1 can be staggered when spliced, thereby improving the waterproof performance; the main function of the connecting groove assembly is to connect several positive poles 16 in several segment bodies 1 in series; the main function of the positive pole 16 and the negative pole 18 is to form an electric field between the two, and use the electric field to move water molecules toward the direction of the negative pole 18, thereby reducing the movement of water in the soil layer toward the segment and reducing the risk of water seepage and leakage. On the whole, the present invention forms a staggered assembly through the top interlayer assembly and the bottom interlayer assembly, which can effectively extend the flow path of water in the soil layer into the tunnel, and improve the waterproof performance after assembly through the close fit between the top interlayer assembly and the bottom interlayer assembly and the segment body. At the same time, by arranging a positive electrode column in the segment body and a negative electrode column in the soil layer, the principle of electro-osmosis is used to drain the moisture in the soil layer away from the segment body, thereby further reducing the leakage of moisture into the segment and improving the anti-leakage effect of the segment.

[0039] To further optimize the solution, the positive electrode column 16 can be made of titanium metal material with corrosion resistance and electrical conductivity, and the negative electrode column 18 can be made of copper rods or other conductors.

[0040] According to a further optimized solution, the connecting groove assembly includes two groups of placement grooves 10 opened on the inner side of the tube segment body 1, the two groups of placement grooves 10 are arranged perpendicular to the axis of the tube segment body 1, and the two groups of placement grooves 10 are arranged on both sides of the tube segment body 1 and connected with the electrode hole 2.

[0041] A further optimized solution further includes a connecting pole 17 , wherein the connecting pole 17 is detachably connected between the head ends or tail ends of two adjacent positive poles 16 , and the connecting pole 17 is located in the placement groove 10 .

[0042] like Figure 2 and Figure 6As shown, after the positive pole 16 is inserted into the electrode hole 2, in the tube body 1 at both ends, a positive pole 16 is fixedly connected to the same end of the positive pole 16 adjacent to one side, so that the two positive poles 16 are electrically connected, and a positive pole 16 is fixedly connected to the other end of the positive pole 16 adjacent to the other side. The connection pole 17 is sequentially operated to form a series connection between the plurality of positive poles 16.

[0043] A further optimized solution is that the top interlayer assembly includes an upper elastic pad 4, the inner side of the upper elastic pad 4 is fitted with the segment body 1, an upper arc-shaped pressure plate 5 is provided on the outer side of the upper elastic pad 4, the inner side of the upper arc-shaped pressure plate 5 is fitted with the outer side wall of the upper elastic pad 4, the edge of the upper arc-shaped pressure plate 5 is flush with the edge of the upper elastic pad 4, two adjacent edges of the upper elastic pad 4 extend out of two adjacent edges of the segment body 1, and the other two adjacent edges of the segment body 1 extend out of the other two adjacent edges of the upper elastic pad 4.

[0044] A further optimized solution is that the bottom interlayer assembly includes a lower elastic pad 3, the outer side of the lower elastic pad 3 is in contact with the inner side of the tube segment main body 1, a lower arc pressure plate 6 is provided on the inner side of the lower elastic pad 3, the outer side of the lower arc pressure plate 6 is in contact with the inner side of the lower elastic pad 3, and the edge of the lower elastic pad 3 is flush with the edge of the upper elastic pad 4.

[0045] like Figure 1 As shown, the two adjacent sides of the upper elastic pad 4 and the lower elastic pad 3 on the same side are located on the inner and outer side walls of the tube segment body 1, so that the tube segment body 1 protrudes part of the structure. At the same time, the other two sides of the upper elastic pad 4 and the lower elastic pad 3 are relative to the protruding part of the structure of the tube segment body 1, so that when assembling, the tube segment body 1 can form a staggered connection with the four groups of adjacent tube segment bodies 1 in the front, back, left and right.

[0046] According to a further optimized solution, two groups of top blocks 13 are fixedly connected to the outer side of the lower elastic pad 3 , and the two groups of top blocks 13 are respectively arranged corresponding to the two groups of placement grooves 10 .

[0047] like Figure 2 and Figure 3 As shown, after the upper connecting pole 17 is fixedly connected in the placement groove 10, the lower elastic pad 3 is installed, and the top block 13 can be used to support the connecting pole 17 to avoid separation between the connecting pole 17 and the positive pole 16 during use.

[0048] A further optimized solution is that the anchor assembly includes a number of pull rods 14 fixedly connected to the inner side of the upper arc-shaped pressure plate 5, a number of first through holes 12 are opened on the upper elastic pad 4, a number of second through holes 19 are opened on the pipe segment body 1, a number of third through holes 20 are opened on the lower elastic pad 3, and a number of mounting holes 15 are opened on the lower arc-shaped pressure plate 6. The ends of the pull rods 14 away from the upper arc-shaped pressure plate 5 respectively pass through the first through holes 12, the second through holes 19, the third through holes 20 and the mounting holes 15, and are detachably connected with nuts 21, and the nuts 21 fit the bottom of the mounting holes 15.

[0049] like Figure 7 As shown, after the operator installs the lower elastic pad 3 and the lower arc pressure plate 6 on a plurality of tie rods 14, the operator uses the nut 21 to threadably connect to the bottom thread of the tie rod 14, and makes the nut 21 close to the bottom of the mounting hole 15, thereby realizing the connection between the lower arc pressure plate 6 and the segment body 1.

[0050] A further optimized solution is provided with a plurality of connecting mechanisms on both sides of the segment body 1, the connecting mechanisms including an operating hole 11 opened on the inner wall of the segment body 1, one end of an arc-shaped connecting hole 8 opened on the side wall of the operating hole 11 close to the edge of the segment body 1, the other end of the arc-shaped connecting hole 8 passes through the side wall of the segment body 1, and between two adjacent segment bodies 1, an arc-shaped connecting steel bar passes through two interconnected arc-shaped connecting holes 8, and both ends of the arc-shaped connecting steel bar are respectively detachably connected with connecting nuts, and the connecting nuts are fitted with the side wall of the operating hole 11.

[0051] like Figure 1 and Figure 2 As shown, after the two groups of segment bodies 1 are connected, an arc-shaped connecting steel bar is used to pass through the two arc-shaped connecting holes 8 from an operating hole 11, so that the two ends of the arc-shaped connecting steel bar are respectively located in the two operating holes 11, and the connecting nuts are tightened on the two ends of the arc-shaped connecting steel bar in the operating holes 11 to achieve a fixed connection between the two segment bodies 1.

[0052] A further optimized solution is that a boss 7 is fixedly connected to one side wall of the segment body 1, and the boss 7 is arranged parallel to the axis of the segment body 1. A groove 9 is opened on the other side wall of the segment body 1, and the groove 9 is arranged parallel to the axis of the segment body 1. The boss 7 on one segment body 1 is adapted to the groove 9 on the adjacent segment body 1.

[0053] like Figure 1 and Figure 2 As shown, the boss 7 and the groove 9 can guide the installation of the segment body 1 and at the same time improve the installation strength and anti-water-falling performance.

[0054] A method for laying water-proof shield segments based on electro-osmosis, the operation steps comprising:

[0055] The water-proof segments are laid on the tunnel wall by using laying equipment, so that the side walls of adjacent segment bodies 1 are fitted together, and at the same time, the protruding part of one segment body 1 relative to the top sandwich assembly and the bottom sandwich assembly is cross-fitted with the protruding part of the top sandwich assembly and the bottom sandwich assembly on the adjacent segment body 1, and the adjacent segment bodies 1 are connected;

[0056] The tunnel segment laying equipment is used to align the boss 7 of a segment body 1 with the groove 9 on the previous segment body 1 that has been installed in place, and the segment body 1 is slid so that the two segments are installed in place. After that, the arc-shaped connecting steel bars are used to penetrate the arc-shaped connecting holes 8, and the connecting nuts are tightened to achieve a fixed connection between the segments.

[0057] After the anti-leakage water pipe segments are laid, a number of positive poles 16 are inserted into a number of electrode holes 2;

[0058] After the segment is laid, a plurality of positive poles 16 are sequentially inserted into a plurality of electrode holes 2 from the segment body 1 at one end of the tunnel.

[0059] The lower sandwich assembly on the tube body 1 at both ends is removed by the anchor assembly, and the ends of some positive poles 16 are connected as needed by the connecting groove assembly, so that several positive poles 16 are connected in series;

[0060] By loosening the nuts 21 at both ends of the tunnel, the lower arc-shaped pressing plate 6 and the lower elastic pad 3 at both ends of the tunnel are removed, and the connecting poles 17 are connected to both ends of a number of positive poles 16 in a certain order to form a series connection between the positive poles 16. After that, the upper and lower arc-shaped pressing plates 6 and the lower elastic pad 3 are installed.

[0061] Afterwards, filling material is injected into the electrode hole 2 to enhance the conductivity and strengthen the migration effect of water.

[0062] To further optimize the solution, the filling material may be a mixture of conductive graphite, polymer cement mortar and water in a certain proportion.

[0063] Afterwards, polyurethane is injected to fill the unfilled gaps at the connection of the pipe segment body 1, thereby further enhancing the sealing performance.

[0064] A negative pole 18 is implanted in a soil layer at a certain distance above the tunnel, and the positive pole 16 and the negative pole 18 are connected to the positive pole and the negative pole of the power supply respectively.

[0065] Embodiment 2:

[0066] like Figure 8 As shown, it also includes a control unit 22, on which a voltage adjustment knob 23, a pulse period adjustment knob 24, a current adjustment knob 25, an electrode column 26, a display screen 27 and an oscilloscope 28 are provided.

[0067] The positive pole 16 and the negative pole 18 are connected to the positive and negative poles of the electrode pole 26 respectively. During use, by adjusting the voltage adjustment knob 23 and the pulse period adjustment knob 24, and combining the waveform displayed by the oscilloscope 28, until the waveform is stable, water molecules can be moved toward the negative pole 18 under the action of the electric field, forming water migration, thereby achieving the effect of preventing water leakage.

[0068] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0069] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A water-proof shield segment based on electro-osmosis, characterized in that: include: A segment body (1), wherein a top sandwich assembly and a bottom sandwich assembly are respectively arranged on the inner and outer sides of the segment body (1), the top sandwich assembly and the bottom sandwich assembly are detachably connected via an anchor assembly, and the top sandwich assembly, the bottom sandwich assembly and the segment body (1) are staggered; A plurality of electrode holes (2), wherein the plurality of electrode holes (2) are arranged in the tube segment body (1) along the axial direction of the tube segment body (1), and the two ends of the plurality of electrode holes (2) respectively penetrate the two side walls of the tube segment body (1), and the plurality of electrode holes (2) are used to place positive poles (16). A connecting groove assembly is also arranged in the tube segment body (1), and the connecting groove assembly is connected with the plurality of electrode holes (2); A negative pole (18), wherein the negative pole (18) is arranged in a soil layer at a certain distance from the segment body (1).

2. The shield tunneling water-proof segment based on electro-osmosis according to claim 1, characterized in that: The connecting groove assembly comprises two groups of placement grooves (10) arranged on the inner side of the tube segment body (1), the two groups of placement grooves (10) being arranged perpendicular to the axis of the tube segment body (1), and the two groups of placement grooves (10) being arranged on both sides of the tube segment body (1) and being connected to the electrode hole (2).

3. The shield tunneling water-proof segment based on electro-osmosis according to claim 2, characterized in that: The top sandwich assembly comprises an upper elastic pad (4), the inner side of which is in contact with the segment body (1), an upper arc-shaped pressure plate (5) is arranged on the outer side of the upper elastic pad (4), the inner side of which is in contact with the outer side wall of the upper elastic pad (4), the edge of which is flush with the edge of the upper elastic pad (4), two adjacent edges of the upper elastic pad (4) extend out of two adjacent edges of the segment body (1), and the other two adjacent edges of the segment body (1) extend out of the other two adjacent edges of the upper elastic pad (4).

4. The shield tunneling water-proof segment based on electro-osmosis according to claim 3 is characterized by: The bottom sandwich assembly comprises a lower elastic pad (3), the outer side of the lower elastic pad (3) is in contact with the inner side of the tube segment body (1), a lower arc-shaped pressure plate (6) is arranged on the inner side of the lower elastic pad (3), the outer side of the lower arc-shaped pressure plate (6) is in contact with the inner side of the lower elastic pad (3), and the edge of the lower elastic pad (3) is arranged flush with the edge of the upper elastic pad (4).

5. The shield tunneling water-proof segment based on electro-osmosis according to claim 4, characterized in that: Two groups of top blocks (13) are fixedly connected to the outer side of the lower elastic pad (3), and the two groups of top blocks (13) are respectively arranged corresponding to the two groups of placement grooves (10).

6. The shield tunneling water-proof segment based on electro-osmosis according to claim 4, characterized in that: The anchor assembly comprises a plurality of pull rods (14) fixedly connected to the inner side of the upper arc-shaped pressure plate (5), a plurality of first through holes (12) are provided on the upper elastic pad (4), a plurality of second through holes (19) are provided on the pipe segment body (1), a plurality of third through holes (20) are provided on the lower elastic pad (3), and a plurality of mounting holes (15) are provided on the lower arc-shaped pressure plate (6). The ends of the plurality of pull rods (14) away from the upper arc-shaped pressure plate (5) respectively penetrate through the plurality of first through holes (12), the plurality of second through holes (19), the plurality of third through holes (20) and the plurality of mounting holes (15), and are detachably connected with nuts (21), and the nuts (21) fit the bottom of the mounting holes (15).

7. The shield tunneling water-proof segment based on electro-osmosis according to claim 1, characterized in that: A plurality of connection mechanisms are respectively arranged on both sides of the segment body (1), and the connection mechanisms include an operation hole (11) opened on the inner side wall of the segment body (1), one end of an arc-shaped connection hole (8) is opened on the side wall of the operation hole (11) close to the edge of the segment body (1), and the other end of the arc-shaped connection hole (8) passes through the side wall of the segment body (1), and between two adjacent segment bodies (1), an arc-shaped connection steel bar passes through the two mutually connected arc-shaped connection holes (8), and the two ends of the arc-shaped connection steel bar are respectively detachably connected with connection nuts, and the connection nuts are fitted with the side wall of the operation hole (11).

8. The shield tunneling water-proof segment based on electro-osmosis according to claim 1, characterized in that: A boss (7) is fixedly connected to one side wall of the segment body (1), and the boss (7) is arranged parallel to the axis of the segment body (1). A groove (9) is provided on the other side wall of the segment body (1), and the groove (9) is arranged parallel to the axis of the segment body (1). The boss (7) on one segment body (1) is matched with the groove (9) on an adjacent segment body (1).

9. A method for laying water-proof shield segments based on electro-osmosis. The shield tunneling water leakage-proof segment based on electro-osmosis according to claim 1 is characterized in that: The steps include: The water-proof pipe segments are laid on the tunnel wall by using laying equipment, so that the side walls of adjacent pipe segment bodies (1) are fitted together, and at the same time, the protruding portion of one pipe segment body (1) relative to the top sandwich assembly and the bottom sandwich assembly is cross-fitted with the protruding portion of the top sandwich assembly and the bottom sandwich assembly on the adjacent pipe segment body (1), and the adjacent pipe segment bodies (1) are connected; After the anti-leakage water pipe segments are laid, a plurality of positive poles (16) are inserted into a plurality of electrode holes (2); The lower sandwich assembly on the tube body (1) at both ends is removed by means of the anchor assembly, and the ends of some positive poles (16) are connected as required by means of the connecting groove assembly, so that a plurality of positive poles (16) are connected in series; A negative pole (18) is implanted in a soil layer at a certain distance above the tunnel, and the positive pole (16) and the negative pole (18) are connected to the positive pole and the negative pole of a power source respectively.

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