Tunnel lining crack leakage treatment device
By setting up a combined system of treatment trenches, seepage holes, drainage pipes and flushing holes on the outside of the tunnel sidewall, the problem of easy leakage of tunnel lining was solved, and effective water drainage and structural protection were achieved.
Patent Information
- Application Number
- CN202520293572.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing technologies often suffer from problems such as easy cracking and water leakage in tunnel linings, especially when the groundwater level is high and the water pressure is high. Traditional sealing measures are not very effective and are prone to recurrence.
Treatment trenches are opened along the seepage cracks on the outside of the tunnel sidewall. The top of the trench is higher than the water outlet. Seepage holes are set at the bottom of the trench and a mortar layer is laid. Drainage pipes are buried. Drainage holes are set at the arch foot and connected to the drainage ditch. Flushing holes are set in the trench for high-pressure flushing, forming an integrated treatment system.
It effectively removes water accumulation behind the lining, prevents water leakage, extends the service life of the tunnel structure, avoids freeze-thaw damage, and improves structural safety.
Smart Images

Figure CN223739433U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to tunnel equipment technical field relates to a tunnel lining crack leakage treatment device. BACKGROUND
[0002] At present, the influence of the influence of topography, geology, climate condition and various factors in the process of survey, design, construction and operation, tunnel disease problem of operation period is increasingly frequent, and lining leakage, lining cracking, concrete deterioration, lining behind void, drainage pipe crystallization blockage and other diseases often occur.
[0003] Among them, tunnel lining cracking is related to use condition, environmental condition, material property and construction factor, not only can reduce the bearing capacity of lining structure to surrounding rock, influence tunnel structure safety, and certain depth crack can become the channel of leakage water, vicious circle, thereby accelerate the destruction to lining structure, lining leakage water mainly comes from natural precipitation and groundwater, and groundwater in some areas has certain corrosiveness, and long time water seepage corrosion can cause the damage of tunnel lining concrete structure, reduce the supporting capacity of lining to tunnel rock mass, especially in some cold winter areas, repeated freezing and thawing of leakage water in tunnel gap can easily cause the crack of tunnel lining, seriously influence tunnel structure safety and service life, and effective treatment according to tunnel disease actual situation becomes the problem that must be considered in tunnel construction and later operation stage.
[0004] At present, tunnel lining crack leakage point changes with water level behind lining, and leakage is prone to occur in construction joint, due to the development of groundwater behind some tunnel lining, groundwater level is high, and water pressure is large, and the treatment effect of leakage point plugging and leakage point grouting measure is not obvious, and the situation of recurrence after treatment often exists, therefore, a tunnel lining crack leakage treatment device is urgently needed. UTILITY MODEL CONTENTS
[0005] The utility model discloses a tunnel lining crack leakage treatment device, solve the problem that tunnel lining is easy to crack and easy to leak in prior art.
[0006] The utility model discloses a tunnel lining crack leakage treatment device, solve the problem that tunnel lining is easy to crack and easy to leak in prior art. The technical scheme is adopted to the utility model, tunnel lining crack leakage treatment device, including tunnel side wall, tunnel side wall outside is provided with treatment groove along water seepage crack, the one end of treatment groove is higher than water outlet point, and the other end extends to arch foot, and the arch foot is provided with a plurality of water release holes, and the treatment groove is connected with one water release hole, and the arch foot is provided with the drainage ditch that communicates with the treatment groove, and the lining side of tunnel side wall is provided with waterproof board, and the treatment groove tank bottom is provided with a plurality of water seepage holes, and the water seepage hole penetrates waterproof board, and the part of first mortar layer is laid in the treatment groove tank bottom and the water seepage hole outside, and the first mortar layer top is provided with drainage pipe along the extension direction of treatment groove, and the treatment groove opening is paved with second mortar layer.
[0007] The tunnel lining crack leakage treatment device has the characteristics that:
[0008] The treatment groove has a width of 20-30 cm, a depth of 10-15 cm and a rectangular cross section.
[0009] The top end of the treatment groove is 50 cm higher than the water outlet point.
[0010] The drain hole has a diameter of 5-10 cm.
[0011] The first mortar layer has a thickness of 1-2 cm.
[0012] The water seepage hole has a diameter of 8-15 mm.
[0013] The second mortar layer is paved with a cement mortar layer.
[0014] The drainage ditch is vertically arranged with the treatment groove, and all the drain holes are located on the side wall of the drainage ditch, and the distance between adjacent drain holes is 1-2 m.
[0015] The drainage pipe is a PE pipe with a semicircular cross section, and has an inner diameter of 8-15 cm. One end of the drainage pipe is 50 cm higher than the water outlet point, and the other end is connected with a drain hole. The two side walls of the drainage pipe are buckled on the top of the first mortar layer, and a plurality of rubber pad layers are arranged between the two side walls of the drainage pipe and the top of the first mortar layer along the extension direction of the drainage pipe. The rubber pad layers are arranged from the bottom of one end of the drainage pipe to the bottom of the other end, and have a thickness of 1-2 cm. The rubber pad layers on the opposite sides of the drainage pipe are fixed to the drainage pipe through corresponding horse clamps, and the distance between adjacent horse clamps is 15-30 cm.
[0016] The cement mortar layer is provided with a flushing hole, which extends to the bottom of the treatment groove after penetrating the second mortar layer and the drainage pipe. The flushing hole is covered with a fixed plate, and a bolt is fixed to the hole of the flushing hole and penetrates the fixed plate.
[0017] The tunnel lining crack leakage treatment device has the characteristics that:
[0018] The tunnel lining crack leakage treatment device can drain water accumulated behind the lining in advance through the drain hole, and the treatment groove is arranged for embedding the drainage pipe. The water seepage hole is arranged in the water seepage groove to collect the water seepage in the treatment groove, and the flushing hole is used for high-pressure flushing or chemical solvent injection when the water seepage in the drainage pipe crystallizes. The above components are combined into a complete treatment system to drain the water seepage behind the lining cracks. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a structural diagram of the tunnel lining crack leakage treatment device.
[0020] Figure 2The utility model discloses a tunnel lining crack leakage treatment device's rubber cushion arrangement drawing.
[0021] Figure 3 The utility model discloses a tunnel lining crack leakage treatment device's flushing hole arrangement drawing.
[0022] In the drawing, 1. tunnel side wall, 2. treatment groove, 3. water seepage hole, 4. drain pipe, 5. flushing hole, 6. drainage ditch, 7. cement mortar layer, 8. water release hole, 9. first mortar layer, 10. waterproof board, 11. rubber cushion, 12. horse card, 13. fixed plate, 14. bolt, 15. second mortar layer. DETAILED DESCRIPTION
[0023] The utility model will be explained in detail below in combination with the drawings and specific embodiment.
[0024] The utility model discloses a tunnel lining crack leakage treatment device, refer to Figure 1 , including tunnel side wall 1, tunnel side wall 1 outside along water seepage crack and be equipped with treatment groove 2, and the one end of treatment groove 2 is higher than the water outlet point, and the other end extends to the arch foot, and the arch foot is equipped with a plurality of water release holes 8, and treatment groove 2 is connected with a water release hole 8, and the arch foot is provided with the drainage ditch 6 that communicates with treatment groove 2, and the lining of tunnel side wall 1 is provided with waterproof board 10 on the side, and the bottom of treatment groove 2 is equipped with a plurality of water seepage holes 3, and water seepage hole 3 penetrates waterproof board 10, and the part of treatment groove 2 bottom and water seepage hole 3 outside is paved with first mortar layer 9, and first mortar layer 9 top is provided with drain pipe 4 along the extension direction of treatment groove 2, and treatment groove 2 opening is paved with second mortar layer 15.
[0025] The cross section of treatment groove 2 is rectangular, and the top of treatment groove 2 is 50cm higher than the water outlet point, and the diameter of water release hole 8 is 5cm-10cm, and the thickness of first mortar layer 9 is 1cm-2cm, and the diameter of water seepage hole 3 is 8mm-15mm, and the surface of second mortar layer 15 is paved with cement mortar layer 7, and drainage ditch 6 is perpendicular to treatment groove 2, and all water release holes 8 are located on the side wall of drainage ditch 6, and the interval between adjacent water release holes 8 is 1m-2m.
[0026] Refer to Figure 2 , drain pipe 4 is the PE pipe of half circle cross section, and the inner diameter of drain pipe 4 is 8cm-15cm, and one end of drain pipe 4 is 50cm higher than the water outlet point, and the other end is connected with a water release hole 8, and the two side walls of drain pipe 4 are buckled on the top of first mortar layer 9, and the two side walls of drain pipe 4 are respectively and first mortar layer 9 top are padded with a plurality of rubber cushion 11 along the extension direction of drain pipe 4, and rubber cushion 11 is padded from the bottom of one end of drain pipe 4 to the bottom of the other end, and the thickness of rubber cushion 11 is 1cm-2cm, and the rubber cushion 11 of the opposite of the two side walls of drain pipe 4 is fixed with drain pipe 4 through corresponding horse card 12, and the interval between adjacent horse cards 12 is 15cm-30cm, refer toFigure 3 The flushing hole 5 is provided on the surface of the cement paste layer 7, extends to the bottom of the treatment groove 2 after penetrating the second mortar layer 15 and the drain pipe 4, and is covered with a fixed plate 13 at the hole opening. A bolt 14 is fixed at the hole opening of the flushing hole 5 and penetrates the fixed plate 13. The bolt 14 is matched with the shape and size of the flushing hole 5. When flushing is needed in the later period, the fixed plate 13 can be opened through the bolt 14.
[0027] The water pressure behind the lining is large, which can cause the water to flow out or spray into the hole through the cracks. Therefore, the pressure water behind the lining needs to be discharged by drilling holes at the arch foot. The treatment groove 2 is used for burying the drain pipe. The floating dust in the groove needs to be cleaned with a steel brush and then washed with clean water to ensure that there are no loose residues, dust and other impurities in the treatment groove 2. The top of the treatment groove 2 is 50 cm higher than the water outlet point, which can extend the grooving range and include the positions of possible future water outlets and the current water outlets. The water seepage hole 3 is arranged at the bottom of the treatment groove 2 to collect seepage water. The flushing hole 5 is used for high-pressure flushing or chemical solvent injection when the drain pipe 4 seeps water and crystallizes. The cement paste layer 7 is used to decorate the surface of the treatment groove 2. After the surface of the treatment groove 2 is dried, the surface is decorated with cement paste to make the surface of the treatment groove 2 consistent with the color of the tunnel side wall 1.
[0028] Embodiment 1
[0029] The tunnel lining crack leakage treatment device comprises a tunnel side wall 1. A treatment groove 2 is arranged on the outer side of the tunnel side wall 1 along the water seepage crack. One end of the treatment groove 2 is higher than the water outlet point, and the other end extends to the arch foot. Six water discharge holes 8 are arranged at the arch foot. The treatment groove 2 is connected with one water discharge hole 8. The arch foot is provided with a drain ditch 6 which is communicated with the treatment groove 2. A waterproof plate 10 is arranged on the side of the lining of the tunnel side wall 1. Six water seepage holes 3 are arranged at the bottom of the treatment groove 2. The water seepage holes 3 penetrate the waterproof plate 10. A first mortar layer 9 is arranged at the part of the bottom of the treatment groove 2 outside the water seepage holes 3. A drain pipe 4 is arranged on the top of the first mortar layer 9 along the extension direction of the treatment groove 2. A second mortar layer 15 is arranged at the opening of the treatment groove 2.
[0030] The top of the treatment groove 2 is 50 cm higher than the water outlet point. The diameter of the water discharge hole 8 is 5 cm. The diameter of the water seepage hole 3 is 8 mm. A cement paste layer 7 is arranged on the surface of the second mortar layer 15. The drain ditch 6 is arranged perpendicularly to the treatment groove 2. All the water discharge holes 8 are located on the side wall of the drain ditch 6. The distance between adjacent water discharge holes 8 is 1 m.
[0031] The drain pipe 4 is a PE pipe with a semicircular cross section, the inner diameter of the drain pipe 4 is 8 cm, one end of the drain pipe 4 is 50 cm higher than the water outlet point, the other end of the drain pipe 4 is connected with a drain hole 8, the two side walls of the drain pipe 4 are buckled on the top of the first mortar layer 9, the two side walls of the drain pipe 4 and the top of the first mortar layer 9 are respectively provided with a plurality of rubber pad layers 11 along the extension direction of the drain pipe 4, the rubber pad layers 11 are from the bottom of one end of the drain pipe 4 to the bottom of the other end, the thickness of the rubber pad layer 11 is 1 cm, the opposite rubber pad layers 11 of the two side walls of the drain pipe 4 are fixed with the drain pipe 4 through corresponding horse clamps 12, the distance between adjacent horse clamps 12 is 15 cm; the surface of the cement mortar layer 7 is provided with a flushing hole 5, the flushing hole 5 extends to the bottom of the treatment tank 2 after penetrating through the second mortar layer 15 and the drain pipe 4, the hole of the flushing hole 5 is covered with a fixed plate 13, and the hole of the flushing hole 5 is fixed with a bolt 14 which penetrates through the fixed plate 13.
[0032] Example 2
[0033] The tunnel lining crack leakage treatment device comprises a tunnel side wall 1, a treatment tank 2 is arranged on the outer side of the tunnel side wall 1 along a water seepage crack, one end of the treatment tank 2 is higher than a water outlet point, the other end of the treatment tank 2 extends to a springing, the springing is provided with eight drain holes 8, the treatment tank 2 is connected with one of the drain holes 8, the springing is provided with a drain ditch 6 which is communicated with the treatment tank 2, the lining side of the tunnel side wall 1 is provided with a waterproof plate 10, eight water seepage holes 3 are arranged on the bottom of the treatment tank 2, the water seepage holes 3 penetrate through the waterproof plate 10, a first mortar layer 9 is arranged on the bottom of the treatment tank 2 and outside the water seepage holes 3, a drain pipe 4 is arranged on the top of the first mortar layer 9 along the extension direction of the treatment tank 2, and a second mortar layer 15 is arranged on the opening of the treatment tank 2.
[0034] The treatment tank 2 has a rectangular cross section with a width of 20 cm and a depth of 10 cm, the top end of the treatment tank 2 is 50 cm higher than the water outlet point, the thickness of the first mortar layer 9 is 1 cm, a cement mortar layer 7 is arranged on the surface of the second mortar layer 15, the drain ditch 6 is arranged perpendicularly to the treatment tank 2, all the drain holes 8 are located on the side wall of the drain ditch 6, and the distance between adjacent drain holes 8 is 2 m.
[0035] The drain pipe 4 is a PE pipe with a semicircular cross section, the inner diameter of the drain pipe 4 is 15 cm, one end of the drain pipe 4 is 50 cm higher than the water outlet point, the other end is connected with a drain hole 8, the two side walls of the drain pipe 4 are buckled on the top of the first mortar layer 9, and a plurality of rubber pad layers 11 are arranged between the two side walls of the drain pipe 4 and the top of the first mortar layer 9 respectively along the extension direction of the drain pipe 4, the rubber pad layers 11 are arranged from the bottom of one end of the drain pipe 4 to the bottom of the other end, the thickness of the rubber pad layers 11 is 2 cm, the rubber pad layers 11 opposite to each other on the two side walls of the drain pipe 4 are fixed with the drain pipe 4 through corresponding horse clamps 12, and the distance between adjacent horse clamps 12 is 30 cm; the surface of the cement mortar layer 7 is provided with a flushing hole 5, the flushing hole 5 extends to the bottom of the treatment tank 2 after penetrating through the second mortar layer 15 and the drain pipe 4, the flushing hole 5 is covered with a fixed plate 13 at the hole opening, and a bolt 14 is fixed at the hole opening of the flushing hole 5 and penetrates through the fixed plate 13.
[0036] Example 3
[0037] The tunnel lining crack leakage treatment device comprises a tunnel side wall 1, a treatment tank 2 is arranged on the outer side of the tunnel side wall 1 along a water seepage crack, one end of the treatment tank 2 is higher than a water outlet point, the other end extends to a springing, 10 drain holes 8 are arranged on the springing, the treatment tank 2 is connected with one of the drain holes 8, the springing is provided with a drain ditch 6 which is communicated with the treatment tank 2, a waterproof plate 10 is arranged on the side where the lining of the tunnel side wall 1 is located, 10 water seepage holes 3 are arranged on the bottom of the treatment tank 2, the water seepage holes 3 penetrate through the waterproof plate 10, a first mortar layer 9 is arranged on the bottom of the treatment tank 2 and outside the water seepage holes 3, a drain pipe 4 is arranged on the top of the first mortar layer 9 along the extension direction of the treatment tank 2, and a second mortar layer 15 is arranged on the opening of the treatment tank 2.
[0038] The top end of the treatment tank 2 is 50 cm higher than the water outlet point, the thickness of the first mortar layer 9 is 2 cm, the diameter of the water seepage hole 3 is 15 mm, the drain ditch 6 is arranged perpendicularly to the treatment tank 2, all the drain holes 8 are located on the side wall of the drain ditch 6, and the distance between adjacent drain holes 8 is 1.5 m.
[0039] The drain pipe 4 is a PE pipe with a semicircular cross section, the inner diameter of the drain pipe 4 is 15 cm, one end of the drain pipe 4 is 50 cm higher than the water outlet point, the other end is connected with a drain hole 8, the two side walls of the drain pipe 4 are buckled on the top of the first mortar layer 9, and a plurality of rubber pad layers 11 are arranged between the two side walls of the drain pipe 4 and the top of the first mortar layer 9 respectively along the extension direction of the drain pipe 4, the rubber pad layers 11 are arranged from the bottom of one end of the drain pipe 4 to the bottom of the other end, the thickness of the rubber pad layers 11 is 2 cm, the rubber pad layers 11 opposite to each other on the two side walls of the drain pipe 4 are fixed with the drain pipe 4 through corresponding horse clamps 12, and the distance between adjacent horse clamps 12 is 30 cm.
[0040] Example 4
[0041] The tunnel lining crack leakage treatment device, including tunnel side wall 1, tunnel side wall 1 outside along the water seepage crack is provided with treatment groove 2, treatment groove 2 one end is higher than the water outlet point, the other end extends to the arch foot, the arch foot is provided with 9 drain holes 8, treatment groove 2 is connected with a drain hole 8, the arch foot is provided with the drainage ditch 6 that communicates with treatment groove 2, the lining side of tunnel side wall 1 is provided with waterproof board 10, treatment groove 2 tank bottom is provided with 9 water seepage holes 3, water seepage hole 3 penetrates waterproof board 10, the part of treatment groove 2 tank bottom and outside water seepage hole 3 is paved with first mortar layer 9, first mortar layer 9 top along the extension direction of treatment groove 2 is provided with drain pipe 4, treatment groove 2 opening is paved with second mortar layer 15.
[0042] Treatment groove 2 groove width 30cm, groove depth 15cm and cross section is rectangular, drain hole 8 diameter is 10cm, second mortar layer 15 surface is paved with cement slurry layer 7, drainage ditch 6 is vertically provided with treatment groove 2, all drain holes 8 are located in the side wall of drainage ditch 6, adjacent drain hole 8 interval 2m.
[0043] Drain pipe 4 is the PE pipe with semicircular cross section, drain pipe 4 inner diameter 11cm, drain pipe 4 one end is higher than the water outlet point 50cm, the other end is connected with a drain hole 8, drain pipe 4 two side walls are buckled on first mortar layer 9 top, drain pipe 4 two side walls are respectively and first mortar layer 9 top between along the extension direction of drain pipe 4 pad has a plurality of rubber pad layers 11, rubber pad layer 11 is from the bottom of one end of drain pipe 4 pad to the bottom of the other end, rubber pad layer 11 thickness 1.5cm, the opposite rubber pad layer 11 of drain pipe 4 two side walls is fixed with drain pipe 4 through corresponding horse clamp 12, adjacent horse clamp 12 interval 20cm;Cement slurry layer 7 surface is provided with flushing hole 5, flushing hole 5 penetrates second mortar layer 15 and drain pipe 4 after extending to treatment groove 2 tank bottom, flushing hole 5 orifice is covered with fixed plate 13, flushing hole 5 orifice is fixed with bolt 14 and bolt 14 penetrates fixed plate 13.
[0044] Example 5:
[0045] The tunnel lining crack leakage treatment device, including tunnel side wall 1, tunnel side wall 1 outside along the water seepage crack is provided with treatment groove 2, treatment groove 2 one end is higher than the water outlet point, the other end extends to the arch foot, the arch foot is provided with 9 drain holes 8, treatment groove 2 is connected with a drain hole 8, the arch foot is provided with the drainage ditch 6 that communicates with treatment groove 2, the lining side of tunnel side wall 1 is provided with waterproof board 10, treatment groove 2 tank bottom is provided with 9 water seepage holes 3, water seepage hole 3 penetrates waterproof board 10, the part of treatment groove 2 tank bottom and outside water seepage hole 3 is paved with first mortar layer 9, first mortar layer 9 top along the extension direction of treatment groove 2 is provided with drain pipe 4, treatment groove 2 opening is paved with second mortar layer 15, treatment groove 2 groove width 25cm, groove depth 12cm and cross section is rectangular, drain hole 8 diameter is 8cm, first mortar layer 9 thickness is 1.5cm, water seepage hole 3 diameter is 11mm.
[0046] Embodiment 6:
[0047] The utility model provides a tunnel lining crack leakage treatment device, including tunnel side wall 1, tunnel side wall 1 outside is along the water seepage crack and is set up with treatment groove 2, and the treatment groove 2 one end is higher than the water outlet point, and the other end extends to the arch foot, and the arch foot is set up with 5 drain holes 8, and the treatment groove 2 is connected with a drain hole 8, and the arch foot is provided with the drainage ditch 6 with the treatment groove 2 intercommunication, and the lining of tunnel side wall 1 is set up with waterproof board 10 on the side, and the treatment groove 2 tank bottom is set up with 5 water seepage holes 3, and the water seepage hole 3 penetrates waterproof board 10, and the treatment groove 2 tank bottom and the part outside water seepage hole 3 are paved with first mortar layer 9, and the first mortar layer 9 top is set up with drain pipe 4 along the treatment groove 2 extension direction, and the treatment groove 2 opening is paved with second mortar layer 15.
[0048] Drain hole 8 diameter is 7cm, and the first mortar layer 9 thickness is 1.5cm, and water seepage hole 3 diameter is 12mm, and the second mortar layer 15 surface is paved with cement mortar layer 7, and the cement mortar layer 7 surface is set up with flush hole 5, and flush hole 5 extends to the treatment groove 2 tank bottom after penetrating second mortar layer 15 and drain pipe 4, and flush hole 5 orifice is covered with fixed plate 13, and flush hole 5 orifice is fixed with bolt 14 and bolt 14 penetrates fixed plate 13.
Claims
1. A device for treating leakage from cracks in tunnel linings, characterised in that The utility model provides a tunnel side wall (1) outside along the water seepage crack is provided with treatment groove (2), treatment groove (2) one end is higher than the water outlet point, and the other end extends to the arch foot, and the arch foot is provided with a plurality of water release hole (8), and treatment groove (2) is connected with a water release hole (8), and the arch foot is provided with the drainage ditch (6) of communication with treatment groove (2), and the lining of tunnel side wall (1) is provided with waterproof board (10) on the side, and treatment groove (2) tank bottom is provided with a plurality of water seepage hole (3), and water seepage hole (3) penetrates waterproof board (10), and the part of treatment groove (2) tank bottom and water seepage hole (3) outside is paved with first mortar layer (9), and first mortar layer (9) top is provided with drain pipe (4) along the extension direction of treatment groove (2), and treatment groove (2) opening is paved with second mortar layer (15).
2. The tunnel lining crack leakage treatment apparatus according to claim 1, characterized by, The treatment groove (2) is 20cm-30cm wide and 10cm-15cm deep, and the cross section is rectangular.
3. The tunnel lining crack leakage treatment apparatus according to claim 1, characterized by, The top of the treatment groove (2) is 50cm higher than the water outlet point.
4. The tunnel lining crack leakage treatment apparatus according to claim 1, characterized by, The water release hole (8) is 5cm-10cm in diameter.
5. The tunnel lining crack leakage treatment apparatus according to claim 1, wherein The first mortar layer (9) is 1cm-2cm thick.
6. The tunnel lining crack leakage treatment apparatus of claim 1, wherein, The water seepage hole (3) is 8mm-15mm in diameter.
7. The tunnel lining crack leakage treatment apparatus according to any one of claims 1 to 6, characterized by, The second mortar layer (15) is paved with a cement slurry layer (7).
8. The device for treating leakage from cracks in tunnel linings according to any one of claims 1 to 6, characterized in that, The drainage ditch (6) is perpendicular to the treatment groove (2), and all the water release holes (8) are located on the side wall of the drainage ditch (6), and the distance between adjacent water release holes (8) is 1m-2m.
9. The tunnel lining crack leakage treatment apparatus according to any one of claims 1 to 6, characterized by, The drain pipe (4) is a PE pipe with a semicircular cross section, and the inner diameter of the drain pipe (4) is 8cm-15cm. One end of the drain pipe (4) is 50cm higher than the water outlet point, and the other end is connected to a water release hole (8). The two side walls of the drain pipe (4) are buckled on the top of the first mortar layer (9). Rubber pad layers (11) are arranged between the two side walls of the drain pipe (4) and the top of the first mortar layer (9) along the extension direction of the drain pipe (4). The rubber pad layers (11) are arranged from the bottom of one end of the drain pipe (4) to the bottom of the other end. The thickness of the rubber pad layers (11) is 1cm-2cm. The rubber pad layers (11) on the opposite side walls of the drain pipe (4) are fixed to the drain pipe (4) by corresponding saddle clamps (12). The distance between adjacent saddle clamps (12) is 15cm-30cm.
10. The tunnel lining crack leakage treatment apparatus of claim 7, wherein, The cement slurry layer (7) is provided with a flushing hole (5). The flushing hole (5) extends to the bottom of the treatment groove (2) after penetrating the second mortar layer (15) and the drain pipe (4). A fixed plate (13) is arranged on the opening of the flushing hole (5). A bolt (14) is fixed on the opening of the flushing hole (5), and the bolt (14) penetrates the fixed plate (13).