CN108131162B - Tunnel drainage device and tunnel integral ballast bed - Google Patents
Tunnel drainage device and tunnel integral ballast bed Download PDFInfo
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- CN108131162B CN108131162B CN201810143026.XA CN201810143026A CN108131162B CN 108131162 B CN108131162 B CN 108131162B CN 201810143026 A CN201810143026 A CN 201810143026A CN 108131162 B CN108131162 B CN 108131162B
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- tunnel
- drainage
- ballast bed
- drainage device
- bed
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/008—Drainage of track
Abstract
The invention relates to the technical field of tunnel construction, in particular to a tunnel drainage device and a tunnel integral ballast bed, wherein the tunnel drainage device comprises a drainage cylinder main body which is used for being pre-buried in the tunnel integral ballast bed, the drainage cylinder main body is of a cylindrical structure, the drainage cylinder main body comprises a pre-buried end which is used for being installed in the tunnel integral ballast bed and a drainage end which extends out of the tunnel integral ballast bed, the pre-buried end is communicated with the drainage end, the tunnel drainage device is pre-buried in the tunnel integral ballast bed, and a drainage cavity which penetrates through the inside and the outside of the tunnel integral ballast bed is arranged in the drainage device, so that water seepage at the bottom of the tunnel is drained through the drainage device, the water pressure of the integral ballast bed is further released, and the normal operation of the tunnel and the integral safety of the tunnel are ensured.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a tunnel drainage device and a tunnel integral ballast bed.
Background
In addition, because the construction quality of the tunnels is uneven and drainage measures are not implemented in place, the water seepage conditions of the tunnels are very serious, especially in tunnels constructed in a subsurface manner, and the water seepage conditions are very serious.
For ordinary railway tunnel and subway tunnel, the infiltration of tunnel top and tunnel lateral wall generally can flow down along the tunnel wall and get rid of through the escape canal, but because tunnel bottom generally needs to lay whole railway roadbed, the infiltration of tunnel bottom can permeate into whole railway roadbed, is difficult to get rid of, leads to the infiltration to constantly gather in whole railway roadbed for the water pressure in the whole railway roadbed of tunnel constantly rises, can cause the railway roadbed to arch, fracture after reaching certain degree, seriously influences the normal operating of tunnel and the whole safety of tunnel.
Disclosure of Invention
The invention aims at: to there is infiltration and can't discharge smoothly in the tunnel bottom among the prior art, lead to tunnel whole road bed to arch, fracture and then influence tunnel normal operating and tunnel safety's problem, provide a tunnel drainage device and tunnel whole road bed, this tunnel drainage device pre-buried is in tunnel whole road bed, be equipped with the drainage cavity inside and outside the tunnel whole road bed of lining up in this drainage device for the infiltration of tunnel bottom passes through drainage device discharge, and then releases the water pressure of whole road bed, guarantees tunnel normal operating and tunnel whole safety.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a tunnel drainage device, includes the drainage tube main part that is used for pre-buried in the whole railway roadbed of tunnel, the drainage tube main part is tubular structure, and this drainage tube main part is including being used for setting up the pre-buried end in the whole railway roadbed of tunnel to and extend the drainage end outside the whole railway roadbed of tunnel, pre-buried end communicates with each other with the drainage end.
In the prior art, the problems of arching, cracking and the like caused by water seepage in the whole ballast bed cannot be effectively prevented, and only after the problems of arching, cracking and the like occur, the water draining holes are cut in the ballast bed near the diseased part so as to reduce the water pressure, but the mode not only damages the reinforcing steel bar structure in the ballast bed, so that the strength of the ballast bed is reduced, certain potential safety hazards exist, the water draining holes are cut very troublesome, the construction cost is high, and the integral attractiveness of the ballast bed is also influenced.
Through the tunnel drainage device of this scheme, with drainage device pre-buried in the whole railway roadbed of tunnel, the infiltration of tunnel bottom is permeated into the water drainage tube main part in, the cavity space in the water drainage tube main part is used for collecting, storing the infiltration, pre-buried end communicates with each other with the drainage end, the infiltration flows to the drainage end through pre-buried end to discharge the infiltration through the drainage end, thereby effectively prevent infiltration siltation to lead to taking place to arch, fracture etc. disease in the whole railway roadbed of tunnel, tunnel drainage device has played the effect of collecting, the infiltration in the discharge railway roadbed, guarantee tunnel normal operating and the whole safety of tunnel.
The drainage end extends out of the tunnel integral ballast bed and comprises two conditions of extending out of the tunnel integral ballast bed and extending to the ballast bed surface of the tunnel integral ballast bed.
Further, the drainage cylinder main body is vertically arranged, the embedded end of the drainage cylinder main body is close to the bottom of the tunnel, and the drainage end of the drainage cylinder main body is positioned at the top of the whole track bed of the tunnel.
Preferably, the water draining device further comprises a base assembled at the embedded end of the water draining cylinder main body, and water permeable holes are formed in the base.
The base is configured at the embedded end of the drainage cylinder main body, the water permeable hole is formed in the base, water seepage enters the tunnel drainage device from the water permeable hole, the equipment base can strengthen the structural strength of the tunnel drainage device, meanwhile, the situation that excessive concrete mortar enters the inner cavity of the drainage cylinder main body in the embedded process is avoided, and the water collecting effect of the later-stage drainage device is affected.
Preferably, the drainage cylinder body is provided with water permeable holes.
By adopting the structure, the water seepage effect of the tunnel drainage device is enhanced.
Further, the water permeable holes are round holes, and the water permeable holes are densely arranged on the side wall of the drainage cylinder main body.
Preferably, the drainage tube main body is filled with water permeable material.
And the permeable material is filled to form a permeable solid structure, so that the blockage and pollution of holes are avoided, and the tidy and beautiful appearance of the drainage device is ensured compared with the way of opening holes in a ballast bed.
Further, the permeable material is permeable concrete.
The permeable concrete is adopted, so that the formed solid structure of the tunnel drainage device has higher strength, the structural overall performance of the ballast bed is ensured, and water seepage can be smoothly realized.
Preferably, the drainage cylinder body is cylindrical, and the diameter of the embedded end is larger than that of the drainage end.
By adopting the structural form, the tunnel drainage device and the concrete are ensured to have larger contact area, and meanwhile, the structural stability and the safety are ensured.
Further, the base is arranged corresponding to the embedded end.
Preferably, the base is in threaded connection with the drain cylinder body.
The base is the plectane structure, is provided with the annular boss that is used for seting up the base screw thread on the base, and the base screw thread is seting up on the outer wall of annular boss, correspondingly, has arranged interior screw thread on the inner wall of water drainage cylinder main part for base and water drainage cylinder main part threaded connection forms overall structure, and the equipment is convenient.
Correspondingly, the invention also provides a tunnel integral ballast bed, and the tunnel drainage device is embedded in the tunnel integral ballast bed.
The drainage device of the tunnel integral ballast bed adopts a pre-buried mode, and is buried in the ballast bed before pouring ballast bed concrete, so that stress steel bars are effectively avoided, the integral stress performance of the ballast bed is not influenced, the structural strength of the tunnel integral ballast bed is ensured, water seepage in the ballast bed can be effectively discharged, and the safety of the ballast bed and the tunnel is ensured.
Further, the tunnel drainage device is arranged on the central line of the whole track bed of the tunnel.
Preferably, the tunnel drainage devices are sequentially arranged along the length direction of the tunnel, and the distance between two adjacent tunnel drainage devices is 3-6 m.
The tunnel drainage device is longitudinally arranged along the line, the tunnel drainage devices are embedded in the track bed at intervals of 3-6 m on the whole track bed of the tunnel, and accumulated water in the track bed can be uniformly discharged along the line, so that water seepage of the whole track bed of the tunnel in the whole length range is uniformly discharged, and the whole safety of the whole track bed of the tunnel is ensured.
Preferably, the drainage end of the drainage cylinder main body is flush with the ballast surface of the integral ballast of the tunnel.
By adopting the structure, the seepage water in the ballast bed is collected into the tunnel drainage device, and after a certain amount of water is reached, the seepage water automatically overflows from the top of the tunnel drainage device.
Further, the drainage cylinder main body is arranged in the ballast bed, the axis of the drainage cylinder main body is perpendicular to the bottom surface of the tunnel, and the embedded end of the drainage cylinder main body is close to the bottom of the tunnel.
Preferably, the cross-section ditch and the longitudinal drainage ditch are formed in the whole track bed of the tunnel, the drainage end of the drainage cylinder main body structure is positioned in the range of the cross-section ditch, the cross-section ditch is communicated with the longitudinal drainage ditch, and the longitudinal drainage ditch is led to the wastewater pump house.
By adopting the structural form, water seepage enters the transverse ditch after overflowing from the tunnel drainage device, is discharged into the longitudinal ditch of the ballast bed through the transverse ditch, and is finally discharged into the section/station waste water pump room along the longitudinal ditch of the ballast bed, so that the aim of removing water seepage in the ballast bed is fulfilled, and the discharged water seepage is prevented from flowing in a tunnel in a mess way.
Correspondingly, the invention also provides a construction method of the tunnel drainage device, and in the process of using the tunnel drainage device for draining the seepage of the whole tunnel ballast bed, the construction method is carried out according to the following construction steps:
a. the tunnel drainage device is assembled, the tunnel drainage device comprises a base which is connected with the embedded end of the drainage cylinder main body and seals one end of the drainage cylinder main body, water permeable holes are formed in the drainage cylinder main body and the base, a leakage-proof measure is adopted for treating the tunnel drainage device, then a water permeable material is poured into the drainage cylinder main body, and after the water permeable material is solidified, the leakage-proof measure is removed;
b. assembling a track panel, binding track bed steel bars, assembling the steel rail, the fastener and the sleeper into an integral structure to form a complete integral track panel, and binding the steel bars for improving the structural performance of the track bed below the track panel;
c. d, lifting the track panel in place, adjusting the state of the steel rail, lifting the track panel assembled in the step b in place, and adjusting the state of the steel rail, wherein the adjusting of the state of the steel rail comprises adjusting the track orientation state, the steel rail height state and the steel rail horizontal state, so that the technical requirement is met;
d. movably connecting a tunnel drainage device on an installation tool, and placing the installation tool on a steel rail to enable the tunnel drainage device to be positioned at a preset position;
e. pouring concrete and disassembling the mounting tool.
By adopting the mode, the tunnel drainage device is pre-buried at the preset position in the tunnel integral ballast bed, so that the water seepage in the tunnel integral ballast bed is drained in the later period, and the use safety of the ballast bed and the whole tunnel is ensured;
the installation fixture is adopted to install the tunnel drainage device, when the installation fixture is used, the steel rail structure is utilized, the installation part is not required to be arranged independently, the installation fixture can be fixed and positioned, the relative position of the tunnel drainage device and the whole track bed of the tunnel is guaranteed, the arrangement of the tunnel drainage device at the preset position is guaranteed, and good drainage effect is achieved.
Further, in the step a, the permeable material is permeable concrete, the leakage-proof measure is to wrap a layer of sealing material on the outer wall of the tunnel drainage device, for example, geotechnical cloth is adopted or a layer of leakage-proof shell is additionally arranged for treatment, so that the poured permeable concrete is prevented from flowing out of the permeable hole, and the inner space of the drainage cylinder main body is guaranteed to be filled with the permeable concrete.
Further, after the permeable material is solidified, when the leakage-proof measure is removed, the permeable concrete oozed out of the outer wall of the tunnel drainage device is cleaned, and the obtained tunnel drainage device is used.
Further, the installation frock is including being used for placing the crossbeam on the track be connected with the buckle on the crossbeam, the installation frock passes through the buckle to be fixed on the rail, and this installation frock still includes the connecting rod, and crossbeam is connected to this connecting rod one end, and the other end is used for connecting tunnel drainage device, makes tunnel drainage device set up at pre-buried position.
Further, the installation fixture further comprises a lifting hook connected to the end part of the connecting rod, correspondingly, the lifting ring is connected to the tunnel drainage device in advance, the tunnel drainage device is movably connected to the lifting hook through the lifting ring, after concrete pouring is completed, the lifting hook and the lifting ring are separated, and therefore the installation fixture is detached, and the lifting ring is sheared off in the later period.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the tunnel drainage device, the drainage device is pre-buried in the tunnel integral ballast bed, water seepage at the bottom of the tunnel permeates into the drainage cylinder body, the cavity space in the drainage cylinder body is used for collecting and storing water seepage, the pre-buried end is communicated with the drainage end, the water seepage flows to the drainage end through the pre-buried end and is discharged through the drainage end, so that the occurrence of diseases such as arching and cracking caused by water seepage siltation in the tunnel integral ballast bed can be effectively prevented, the tunnel drainage device plays a role in collecting and discharging the water seepage in the ballast bed, and the normal operation of the tunnel and the integral safety of the tunnel are ensured;
2. the base is arranged at the embedded end of the drainage cylinder main body, the water permeable hole is arranged on the base, water seepage enters the tunnel drainage device from the water permeable hole, the equipment base can strengthen the structural strength of the tunnel drainage device, and meanwhile, the phenomenon that excessive concrete mortar enters the inner cavity of the drainage cylinder main body in the embedded process to influence the water collecting effect of the later-stage drainage device is avoided;
3. the inner cavity of the drainage cylinder main body is filled with water permeable materials to form a water permeable solid structure, compared with the way of perforating a ballast bed, the method avoids hole blockage and pollution, ensures that the drainage device is neat and beautiful, and the formed tunnel drainage device solid structure has higher strength;
4. the drainage device of the whole track bed of the tunnel adopts a pre-buried mode, and before the track bed concrete is poured, the drainage device of the tunnel is buried in the track bed, so that stress steel bars are effectively avoided, the whole stress performance of the track bed is not influenced, the structural strength of the whole track bed of the tunnel is ensured, water seepage in the track bed can be effectively discharged, and the track bed and the tunnel are ensured to be safe;
5. by adopting the construction method of the tunnel drainage device, the tunnel drainage device is pre-buried at the preset position in the tunnel integral ballast bed, so that the water seepage in the tunnel integral ballast bed is discharged in the later period, the ballast bed and the whole tunnel are ensured to be safe to use, when the installation tool is used, the installation tool is fixed and positioned by utilizing the steel rail structure without independently setting the installation position, the relative position of the tunnel drainage device and the tunnel integral ballast bed is ensured, the arrangement of the tunnel drainage device at the preset position is ensured, and the good drainage effect is realized.
Drawings
Fig. 1 is a schematic structural view of a tunnel drainage device according to the present invention.
Fig. 2 is a schematic structural view of the drain cartridge body of fig. 1.
Fig. 3 is a schematic structural view of the base in fig. 1.
Fig. 4 is a schematic plan view of the overall track bed of the tunnel.
Fig. 5 is a schematic structural view of the whole track bed of the tunnel in fig. 4 in a cross-sectional direction.
Fig. 6 is a schematic structural diagram of a tunnel drainage device hoisted by adopting an installation tool in the construction method of the tunnel drainage device.
Fig. 7 is a partial enlarged view at a in fig. 6.
The marks in the figure: the device comprises a 1-tunnel drainage device, a 11-drainage cylinder body, a 111-embedded end, a 112-drainage end, a 12-base, a 121-annular boss, 122-base threads, 123-water permeable holes, 13-water permeable materials, a 2-tunnel integral ballast bed, 21-cross-section ditches, 22-longitudinal drainage ditches, 3-tunnel bottoms, 4-installation tools, 41-cross beams, 42-connecting rods, 43-lifting hooks, 44-lifting rings, 45-buckles, 5-track panels, 51-steel rails, 52-buckles and 53-sleepers.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1, 2, 3, 4 and 5, the tunnel drainage device 1 comprises a drainage cylinder body 11 for being embedded in the tunnel integral ballast bed 2, wherein the drainage cylinder body 11 is of a cylindrical structure, the drainage cylinder body 11 comprises an embedded end 111 for being installed in the tunnel integral ballast bed 2, and a drainage end 112 extending out of the tunnel integral ballast bed 2, and the embedded end 111 is communicated with the drainage end 112.
Through the tunnel drainage device 1 of this scheme, with tunnel drainage device 1 pre-buried in tunnel integral ballast bed 2, the infiltration of tunnel bottom is permeated into in the drainage tube main part 11, the cavity space in the drainage tube main part 11 is used for collecting, storing the infiltration, pre-buried end 111 communicates with each other with drainage end 112, the infiltration flows to drainage end 112 through pre-buried end 111, and drain the infiltration through drainage end 112, thereby effectively prevent infiltration siltation and cause the emergence arch, fracture etc. disease in tunnel integral ballast bed 2, tunnel drainage device 1 has played the effect of collecting, draining infiltration in the ballast bed, guarantee tunnel normal operating and tunnel integral safety.
The drainage end 112 extends out of the tunnel integral ballast bed 2, including both out of the tunnel integral ballast bed 2 and into the ballast bed surface of the tunnel integral ballast bed 2.
Further, the drainage cylinder main body 11 is vertically arranged, the embedded end 111 of the drainage cylinder main body is close to the tunnel bottom 3, and the drainage end 112 of the drainage cylinder main body is positioned at the top of the tunnel integral ballast bed 2.
As one of the implementation manners, the tunnel drainage device 1 further comprises a base 12 assembled at the embedded end 111 of the drainage cylinder main body 11, the base 12 is provided with a water permeable hole 123, water is permeated from the water permeable hole 123 to enter the tunnel drainage device 1, the equipment base 12 can strengthen the structural strength of the tunnel drainage device 1, and meanwhile, excessive concrete mortar is prevented from entering the internal cavity of the drainage cylinder main body 11 in the embedded process, so that the water collecting effect of the later-stage drainage device is affected.
As one embodiment, the drainage tube body 11 is provided with a water permeable hole 123, and the water permeable hole 123 can further enhance the water seepage effect of the tunnel drainage device 1.
Further, the water permeable holes 123 are circular holes, and the water permeable holes 123 are densely arranged on the side wall of the drain cylinder body 11.
As one of the implementation modes, the water drainage cylinder main body 11 is filled with the water permeable material 13, and a water permeable solid structure is formed after the water permeable material 13 is filled, so that the blockage and pollution of holes are avoided compared with the way of opening holes in a ballast bed, and the tidy and beautiful appearance of the water drainage device is ensured.
Further, the permeable material 13 is permeable concrete, and the permeable concrete enables the entity structure of the formed tunnel drainage device 1 to have higher strength, so that the integral performance of the structure of the ballast bed is ensured, and water seepage can be smoothly realized.
As one embodiment, the drainage cylinder body 11 is cylindrical, and the diameter of the embedded end 111 is larger than that of the drainage end 112, so that the tunnel drainage device 1 and the concrete are ensured to have a larger contact area, and meanwhile, structural stability and safety are ensured.
Further, the base 12 is disposed corresponding to the embedded end 111, and the base 12 is screwed with the drain cylinder body 11.
Further, the base 12 is of a circular plate structure, an annular boss 121 for forming a base thread 122 is arranged on the base 12, the base thread 122 is formed on the outer wall of the annular boss 121, correspondingly, internal threads are arranged on the inner wall of the drainage cylinder main body 11, so that the base 12 and the drainage cylinder main body 11 are in threaded connection, an integral structure is formed, and the assembly is convenient.
Example 2
As shown in fig. 4 and 5, the tunnel drainage device 1 is embedded in the tunnel integral ballast bed 2, before the ballast bed concrete is poured, the tunnel drainage device 1 is embedded in the tunnel integral ballast bed 2, so that stress steel bars are effectively avoided, the integral stress performance of the ballast bed is not affected, the structural strength of the tunnel integral ballast bed 2 is ensured, water seepage in the ballast bed can be effectively discharged, and the safety of the ballast bed and the tunnel is ensured.
Further, the tunnel drainage device 1 is arranged on the centerline of the tunnel monolithic ballast bed 2.
As one embodiment, the tunnel drainage devices 1 are sequentially arranged along the length direction of the tunnel, the distance between two adjacent tunnel drainage devices 1 is 3-6 m, the tunnel drainage devices 1 are embedded every 3-6 m on the whole tunnel ballast bed 2, the tunnel drainage devices 1 are embedded in the ballast bed at a certain interval, and accumulated water in the ballast bed can be uniformly discharged along the line, so that water seepage of the whole tunnel ballast bed in the whole length range is discharged, and the whole safety of the whole tunnel ballast bed is ensured.
As one embodiment, the drainage end 112 of the drainage cylinder body 11 is flush with the ballast surface of the integral ballast 2 of the tunnel, and the seepage water in the ballast is collected into the drainage device 1 of the tunnel, and after a certain amount of water is reached, the seepage water automatically overflows from the top of the drainage device 1 of the tunnel.
Further, the drainage cylinder body 11 is arranged in the ballast bed, the axis of the drainage cylinder body is perpendicular to the bottom surface of the tunnel, and the embedded end 111 of the drainage cylinder body 11 is close to the bottom 3 of the tunnel.
As one of the implementation modes, the tunnel integral road bed 2 is provided with a transverse ditch 21 and a longitudinal drainage ditch 22, the drainage end 112 of the drainage cylinder main body 11 is positioned in the range of the transverse ditch 21, the transverse ditch 21 is communicated with the longitudinal drainage ditch 22, the longitudinal drainage ditch 22 is led to a waste water pump room, after water seepage overflows from the tunnel drainage device 1, the water seepage enters the transverse ditch 21, then is discharged into the longitudinal drainage ditch 22 of the road bed through the transverse ditch 21, and finally is discharged into an interval/station waste water pump room along the longitudinal drainage ditch 22 of the road bed, so that the aim of removing water seepage inside the road bed is fulfilled, and the discharged water seepage is prevented from flowing in a tunnel.
Example 3
The construction method of the tunnel drainage device, when the tunnel drainage device as in example 1 is used in the water seepage process of discharging the whole track bed of the tunnel, is carried out according to the following construction steps:
a. as shown in fig. 1, the tunnel drainage device 1 is assembled, which comprises a base 12 for sealing one end of a drainage tube main body 11, wherein a pre-embedded end 111 of the drainage tube main body 11 is connected with the base 12, water permeable holes 123 are formed in the drainage tube main body 11 and the base 12, the tunnel drainage device 1 is treated by adopting a leakage-proof measure, then a water permeable material is poured into the drainage tube main body 11, and after the water permeable material is solidified, the leakage-proof measure is removed;
b. as shown in fig. 6, the track panel 5 is assembled and the track bed steel bars are bound, the steel rail 51, the fastener 52 and the sleeper 53 are assembled into a whole structure to form a complete whole-section track panel 5, and the steel bars for improving the structural performance of the track bed are bound below the track panel 5;
c. b, lifting the track panel 5 in place, adjusting the state of the steel rail 51, lifting the track panel assembled in the step b in place, and adjusting the state of the steel rail 51, wherein the adjustment of the state of the steel rail 51 comprises adjustment of the track direction state, the steel rail height state and the steel rail horizontal state, so that the technical requirements are met;
d. the tunnel drainage device 1 is movably connected to the installation tool 4, and the installation tool 4 is placed on the steel rail 51, so that the tunnel drainage device 1 is positioned at a preset position;
e. pouring concrete, and disassembling the mounting tool 4.
In the step a, the permeable material is permeable concrete, the leakage-proof measure is to wrap a layer of sealing material on the outer wall of the tunnel drainage device, for example, geotextile is adopted or a layer of leakage-proof shell is additionally arranged for treatment, so that the poured permeable concrete is prevented from flowing out of the permeable hole, and the permeable concrete is ensured to fill the inner space of the drainage cylinder main body.
As one implementation mode, after the permeable material is solidified, when the leakage-proof measure is removed, the permeable concrete oozed out of the outer wall of the tunnel drainage device is cleaned, and the obtained tunnel drainage device is used.
As an embodiment, as shown in fig. 6 and 7, the installation fixture 4 includes a cross beam 41 for being placed on a track, a buckle 45 is connected to the cross beam 41, the installation fixture 4 is fixed on a steel rail 51 through the buckle 45, the installation fixture 4 further includes a connecting rod 42, one end of the connecting rod 42 is connected to the cross beam 41, and the other end is used for being connected to the tunnel drainage device 1, so that the tunnel drainage device 1 is arranged at an embedded position.
As an implementation manner, as shown in fig. 6 and 7, the installation fixture 4 further includes a hanging hook 43 connected to an end portion of the connecting rod 42, correspondingly, a hanging ring 44 is connected to the tunnel drainage device 1 in advance, the tunnel drainage device 1 is movably connected to the hanging hook 43 through the hanging ring 44, after concrete pouring is completed, the hanging ring 44 and the hanging ring 43 are separated, so that the installation fixture 4 is removed, and the hanging ring 44 is removed later through shearing and other manners.
Further, the hanging ring 44 is made of plastic, so that the hanging ring is convenient to cut off.
Claims (9)
1. The construction method of the tunnel drainage device is characterized by comprising a drainage cylinder body which is embedded in the tunnel integral ballast bed and has a cylindrical structure, wherein the drainage cylinder body comprises an embedded end which is arranged in the tunnel integral ballast bed and a drainage end which extends out of the tunnel integral ballast bed, and the embedded end is communicated with the drainage end;
in the process of using the tunnel drainage device for draining the seepage of the whole track bed of the tunnel, the method comprises the following construction steps:
a. the tunnel drainage device is assembled, the tunnel drainage device comprises a base which is connected with the embedded end of the drainage cylinder main body and seals one end of the drainage cylinder main body, water permeable holes are formed in the drainage cylinder main body and the base, a leakage-proof measure is adopted for treating the tunnel drainage device, then a water permeable material is poured into the drainage cylinder main body, and after the water permeable material is solidified, the leakage-proof measure is removed;
b. assembling a track panel, binding track bed steel bars, assembling the steel rail, the fastener and the sleeper into an integral structure to form a complete integral track panel, and binding the steel bars for improving the structural performance of the track bed below the track panel;
c. d, lifting the track panel in place, adjusting the state of the steel rail, lifting the track panel assembled in the step b in place, and adjusting the state of the steel rail, wherein the adjusting of the state of the steel rail comprises adjusting the track orientation state, the steel rail height state and the steel rail horizontal state, so that the technical requirement is met;
d. movably connecting a tunnel drainage device on an installation tool, and placing the installation tool on a steel rail to enable the tunnel drainage device to be positioned at a preset position;
e. pouring concrete and disassembling the mounting tool.
2. The method for constructing a tunnel drainage device according to claim 1, further comprising a base assembled at the pre-buried end of the drainage tube body, wherein the base is provided with a water permeable hole.
3. The method for constructing a tunnel drainage device according to claim 2, wherein the drainage tube body is provided with a water permeable hole, and the drainage tube body is filled with a water permeable material.
4. A construction method of a tunnel drainage apparatus according to any one of claims 1 to 3, wherein the drainage tube body is cylindrical, and the diameter of the pre-buried end is larger than the diameter of the drainage end.
5. A method of constructing a tunnel drainage apparatus according to claim 2 or 3, wherein the base is screwed to the drainage cylinder body.
6. A tunnel monolithic ballast bed, characterized in that the tunnel drainage device is embedded in the tunnel monolithic ballast bed based on the construction method of the tunnel drainage device according to any one of claims 1 to 5.
7. The tunnel monolithic ballast bed according to claim 6, wherein the tunnel drainage devices are sequentially arranged along the tunnel length direction, and the distance between two adjacent tunnel drainage devices is 3-6 m.
8. The tunnel monolithic ballast bed of claim 6, wherein the drainage end of the drainage cartridge body is flush with the ballast surface of the tunnel monolithic ballast bed.
9. The tunnel integral ballast bed according to any one of claims 6 to 8, wherein a transverse ditch and a longitudinal drainage ditch are formed in the tunnel integral ballast bed, the drainage end of the drainage cylinder main body structure is located in the range of the transverse ditch, the transverse ditch is communicated with the longitudinal drainage ditch, and the longitudinal drainage ditch is led to the waste water pump house.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810143026.XA CN108131162B (en) | 2018-02-11 | 2018-02-11 | Tunnel drainage device and tunnel integral ballast bed |
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| CN201810143026.XA CN108131162B (en) | 2018-02-11 | 2018-02-11 | Tunnel drainage device and tunnel integral ballast bed |
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| CN108131162B true CN108131162B (en) | 2023-06-13 |
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