CN220167945U - Prefabricated drainage lining structure suitable for tunnel disaster prevention rescue channel - Google Patents
Prefabricated drainage lining structure suitable for tunnel disaster prevention rescue channel Download PDFInfo
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- CN220167945U CN220167945U CN202320983101.XU CN202320983101U CN220167945U CN 220167945 U CN220167945 U CN 220167945U CN 202320983101 U CN202320983101 U CN 202320983101U CN 220167945 U CN220167945 U CN 220167945U
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- 230000002265 prevention Effects 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003673 groundwater Substances 0.000 abstract description 13
- 238000010276 construction Methods 0.000 description 14
- 230000008439 repair process Effects 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a prefabricated drainage lining structure suitable for a tunnel disaster prevention rescue channel, and belongs to the technical field of tunnel engineering. The auxiliary tunnel solves the problem that water leakage frequently occurs in the existing auxiliary tunnel. The lining body is cylindrical and extends along the length direction of the auxiliary tunnel, a plurality of drain holes surrounding the auxiliary tunnel are formed in the lining body, the drain holes are sequentially formed in the length direction of the auxiliary tunnel, water diversion holes which are formed in the side portion and the top of each drain hole and are communicated with the corresponding drain holes are formed in the side portion and the top of each drain hole, the inner ends of the water diversion holes are communicated with the corresponding drain holes, and a water collecting ditch communicated with the drain holes is formed in the bottom of the lining body. The prefabricated drainage lining structure plays a role in strong drainage when groundwater comes in, namely, groundwater flows into a drainage blind pipe through a water diversion pipe and finally flows into a water collecting ditch, and meanwhile, a drainage system is dredged and maintained regularly through a manhole, so that the occurrence of lining water damage is effectively solved or relieved.
Description
Technical Field
The utility model belongs to the field of tunnel engineering, and relates to a prefabricated drainage lining structure suitable for a tunnel disaster prevention rescue channel.
Background
Along with the continuous perfection of railway road networks, the large-length tunnels are more and more, in order to meet the requirements of construction period of the large-length tunnels and realize the goal of 'long-tunnel short-cut', the large-length tunnels are often required to be provided with auxiliary tunnels (flat guide, inclined shafts and transverse holes), meanwhile, the large-length tunnels are required to be provided with disaster prevention and rescue functions for meeting the disaster prevention and rescue requirements, namely, emergency rescue related facilities are required to be arranged in the auxiliary tunnels, and meanwhile, the lining structures of the auxiliary tunnels are required to meet the water-tightness requirements.
At present, the auxiliary tunnel serving as a disaster prevention and rescue channel is weaker than the tunnel positive tunnel in importance and waterproof measures, so that the situation of water leakage often occurs in the auxiliary tunnel after the actual construction is completed, and the disaster prevention and rescue function of the auxiliary tunnel is not good. Therefore, how to realize the rapid and safe construction of the auxiliary tunnel as disaster prevention rescue and prevent the occurrence of water leakage diseases in the auxiliary tunnel becomes an engineering problem to be solved urgently.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a prefabricated drainage lining structure which is applicable to a tunnel disaster prevention rescue channel and does not leak.
The aim of the utility model can be achieved by the following technical scheme:
prefabricated drainage lining structure suitable for tunnel disaster prevention rescue passageway, including being the tube-shape and extending along supplementary gallery length direction's lining body, be equipped with a plurality of wash ports that encircle supplementary gallery setting in the lining body, a plurality of wash ports set gradually along the length direction of supplementary gallery, and the lateral part and the top department of every wash port all are equipped with the diversion hole that outwards link up lining body setting, the inner of diversion hole communicates with the wash port that corresponds with it, the bottom of lining body is equipped with the catchment ditch with a plurality of wash port intercommunication.
The catchment ditch extends along the length direction of auxiliary tunnel, and the groundwater that is located lining up body outside can get into the wash port through the diversion hole, and the collection through the wash port is brought groundwater into the catchment ditch again, finally discharges groundwater through the catchment ditch, has alleviateed lining up body outside groundwater pressure, avoids groundwater to puncture and see through lining up body and appear the condition of seepage.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, a drainage blind pipe communicated with the water collecting ditch is arranged in the drainage hole, a water guide pipe communicated with the drainage blind pipe is arranged in the water guide hole, and a water stop ring used for preventing water from entering is sleeved outside the water guide pipe.
A gap is arranged between the inner wall of the water diversion hole and the water diversion pipe, and the water stop ring can prevent water from entering the gap. Groundwater can only enter the drainage blind pipe through the water diversion pipe and then enter the water collecting ditch, so that the groundwater is prevented from contacting the inside of the lining body, and leakage is prevented.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention and rescue channel, the water stop ring is made of water-swelling materials, such as water-swelling rubber.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, the inner bottom of the lining body is provided with a plurality of repair wells which are respectively communicated with the water collecting ditch, and a plurality of repair wells are sequentially arranged along the length direction of the water collecting ditch.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, the lining body is formed by splicing a plurality of prefabricated lining blocks, the prefabricated lining blocks are divided into arch wall blocks, bottom plate standard blocks, bottom plate water collecting blocks and bottom plate overhauling blocks, the bottom plate water collecting blocks and the bottom plate overhauling blocks are alternately arranged along the length direction of the lining body, the water collecting grooves are formed in the bottom plate water collecting blocks and the bottom plate overhauling blocks, and the water diversion holes are outwards communicated with the arch wall blocks.
The arch wall blocks, the base plate standard blocks, the base plate water collecting blocks and the base plate overhauling blocks are all prefabricated by adopting a mould, and reinforcing steel bars can be added in prefabricated concrete in combination with the external conditions of the tunnel. The inspection well is arranged on the bottom plate inspection block.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, the drainage holes in the base plate standard block, the base plate water collecting block and the base plate overhauling block are obliquely arranged, and the lowest part of each drainage hole is communicated with the water collecting ditch.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, the distance between two adjacent water diversion holes communicated with the same water drainage hole is 50-150 cm.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, the width of the water collecting ditch is 10-40 cm, and the height of the water collecting ditch is 10-50 cm.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, the length of the overhaul well is 50-100 cm, the width of the overhaul well is 50-100 cm, and the depth of the overhaul well is 50-150 cm.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, the diameter of the drainage blind pipe is 3-5 cm.
In the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel, the distance between two adjacent overhaul wells is 3-20 m.
The construction method of the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel comprises the following steps:
step 1: according to the actual condition of the auxiliary tunnel, a mould is manufactured, and a drainage blind pipe, a water diversion pipe, a water collecting channel space and an overhaul well space are reserved in the mould according to the combination function.
Step 2: the prefabricated arch wall blocks, the base plate standard blocks, the base plate water collecting blocks and the base plate overhauling blocks are arranged in the concrete level of the prefabricated blocks, wherein the concrete level of the prefabricated blocks is C20-C50.
Step 3: and transporting the prefabricated lining blocks to the splicing positions.
And 4, after the tunnel face of the auxiliary tunnel is excavated, starting to assemble the lining structure 5-20 m away from the tunnel face.
Step 5: the assembly is carried out according to the sequence of firstly annular and then longitudinal, firstly the bottom plate, then the side wall and finally the arch part.
Step 6: repeating the steps until the whole auxiliary tunnel construction is completed.
Compared with the prior art, the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel has the following advantages: the prefabricated drainage lining structure plays a role in strong drainage when groundwater is assailed, namely, the groundwater flows into a drainage blind pipe through a water diversion pipe and finally flows into a water collecting ditch, and meanwhile, a drainage system can be dredged and maintained regularly through a manhole, so that the occurrence of lining water damage is effectively solved or relieved; when in construction, a prefabrication assembly process is adopted, and the lining and drainage system are rapidly assembled into a ring, so that the construction efficiency is greatly improved, and the structural quality is effectively ensured; the construction is safe and convenient, the construction space between the excavation construction of the tunnel face and the construction space of the lining structure is shortened, related cast-in-situ facilities are not needed, and the construction interference in the tunnel is small; the structural safety is higher.
Drawings
Fig. 1 is a cross-sectional view of a prefabricated drainage lining structure provided by the present utility model.
FIG. 2 is a cross-sectional view taken at A-A in FIG. 1.
FIG. 3 is a cross-sectional view at B-B in FIG. 1.
Fig. 4 is a cross-sectional view of an arch wall block provided by the utility model at a water diversion hole.
In the figure, 1, a drain hole; 2. a water diversion hole; 3. a water collecting ditch; 4. a drainage blind pipe; 5. a water conduit; 6. a water stop ring; 7. repairing the well; 81. arch wall blocks; 82. a base plate standard block; 83. a bottom plate water collecting block; 84. and a bottom plate overhauling block.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
The prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel shown in fig. 1 comprises a tubular lining body extending along the length direction of an auxiliary tunnel, wherein the lining body is formed by splicing a plurality of prefabricated lining blocks.
The prefabricated lining block is divided into an arch wall block 81, a bottom plate standard block 82, a bottom plate water collecting block 83 and a bottom plate overhauling block 84, the arch wall block 81 is positioned at the side part and the top of the lining body, the bottom of the lining body is composed of the bottom plate standard block 82, the bottom plate water collecting block 83 and the bottom plate overhauling block 84, and the bottom plate water collecting block 83 and the bottom plate overhauling block 84 are alternately arranged along the length direction of the lining body.
The arch wall block 81, the base plate standard block 82, the base plate water collecting block 83 and the base plate overhauling block 84 are all prefabricated by adopting a mould, and reinforcing steel bars can be added in prefabricated concrete in combination with the external conditions of a tunnel.
As shown in fig. 1 and 2, a plurality of drainage holes 1 surrounding the auxiliary tunnel are arranged in the lining body, the drainage holes 1 are sequentially and uniformly arranged along the length direction of the auxiliary tunnel, water diversion holes 2 which are arranged outwards through arch wall blocks 81 are arranged at the side part and the top of each drainage hole 1, the inner ends of the water diversion holes 2 are communicated with the corresponding drainage holes 1, and the distance between two adjacent water diversion holes 2 communicated with the same drainage hole 1 is 50-150 cm.
As shown in fig. 1 and 3, the bottom of the lining body is provided with a water collecting ditch 3 communicated with a plurality of water discharging holes 1, the width of the water collecting ditch 3 is 10-40 cm, and the height thereof is 10-50 cm. The water collection ditch 3 extends along the length direction of the auxiliary tunnel, and the water collection ditch 3 penetrates through the bottom plate water collection block 83 and the bottom plate maintenance block 84.
As shown in fig. 3, the inner bottom of the lining body is provided with a plurality of repair wells 7 respectively communicated with the water collecting trench 3, the repair wells 7 are sequentially arranged along the length direction of the water collecting trench 3, and the interval between two adjacent repair wells 7 is 3-20 m.
As shown in fig. 3, the service well 7 is disposed on a floor service block 84. In this embodiment, the manhole 7 has a length of 50-100 cm, a width of 50-100 cm, and a depth of 50-150 cm.
As shown in fig. 1, drain holes 1 in a floor standard block 82, a floor water collecting block 83 and a floor service block 84 are arranged obliquely, and the lowest part of the drain holes 1 communicates with a water collecting channel 3.
In this embodiment, as shown in fig. 4, a drain blind pipe 4 communicated with a water collecting channel 3 is arranged in a drain hole 1, the diameter of the drain blind pipe 4 is 3-5 cm, a water guide pipe 5 communicated with the drain blind pipe 4 is arranged in a water guide hole 2, and a water stop ring 6 for preventing water from entering is sleeved outside the water guide pipe 5.
A gap is arranged between the inner wall of the water diversion hole 2 and the water diversion pipe 5, and the water stop ring 6 can prevent water from entering the gap. Groundwater can only enter the drainage blind pipe 4 through the water diversion pipe 5 and then enter the water collecting ditch 3, so that the groundwater is prevented from contacting the inside of the lining body, and leakage is prevented.
The water stop ring 6 is made of a water-swellable material, such as water-swellable rubber.
The construction method of the prefabricated drainage lining structure suitable for the tunnel disaster prevention rescue channel comprises the following steps:
step 1: according to the actual condition of the auxiliary tunnel, a mould is manufactured, and a drainage blind pipe 4, a water conduit 5, a water collecting channel space and an overhaul well space are reserved in the mould according to the combination function.
Step 2: the prefabricated arch wall block 81, the base plate standard block 82, the base plate water collecting block 83 and the base plate overhauling block 84, and the concrete grade of the prefabricated block is C20-C50.
Step 3: and transporting the prefabricated lining blocks to the splicing positions.
And 4, after the tunnel face of the auxiliary tunnel is excavated, starting to assemble the lining structure 5-20 m away from the tunnel face.
Step 5: the assembly is carried out according to the sequence of firstly annular and then longitudinal, firstly the bottom plate, then the side wall and finally the arch part.
Step 6: repeating the steps until the whole auxiliary tunnel construction is completed.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a prefabricated drainage lining structure suitable for tunnel disaster prevention rescue passageway, is including being the tube-shape and along the lining body that auxiliary tunnel length direction extends, its characterized in that, be equipped with a plurality of wash port (1) that encircle auxiliary tunnel setting in the lining body, a plurality of wash port (1) set gradually along auxiliary tunnel's length direction, and the lateral part and the top department of every wash port (1) all are equipped with outwards link up diversion hole (2) that the lining body set up, the inner of diversion hole (2) communicates with wash port (1) that corresponds with it, the bottom of lining body is equipped with water catch bowl (3) with a plurality of wash port (1) intercommunication.
2. The prefabricated drainage lining structure suitable for the tunnel disaster prevention and rescue channel according to claim 1, wherein a drainage blind pipe (4) communicated with a water collecting ditch (3) is arranged in the drainage hole (1), a water guide pipe (5) communicated with the drainage blind pipe (4) is arranged in the water guide hole (2), and a water stop ring (6) used for preventing water from entering is sleeved outside the water guide pipe (5).
3. The prefabricated drainage lining structure suitable for the tunnel disaster prevention and rescue channel according to claim 1, wherein a plurality of overhaul wells (7) which are respectively communicated with the water collecting channel (3) are arranged at the inner bottom of the lining body, and the overhaul wells (7) are sequentially arranged along the length direction of the water collecting channel (3).
4. The prefabricated drainage lining structure suitable for tunnel disaster prevention and rescue channels according to claim 1, wherein the lining body is formed by splicing a plurality of prefabricated lining blocks, the prefabricated lining blocks are divided into arch wall blocks (81), base plate standard blocks (82), base plate water collecting blocks (83) and base plate overhauling blocks (84), the base plate water collecting blocks (83) and the base plate overhauling blocks (84) are alternately arranged along the length direction of the lining body, water collecting grooves (3) are formed in the base plate water collecting blocks (83) and the base plate overhauling blocks (84), and water diversion holes (2) are formed by outwards penetrating through the arch wall blocks (81).
5. The prefabricated drainage lining structure suitable for the tunnel disaster prevention and rescue channel according to claim 4 is characterized in that drainage holes (1) in a base plate standard block (82), a base plate water collecting block (83) and a base plate overhauling block (84) are obliquely arranged, and the lowest part of the drainage holes (1) is communicated with a water collecting ditch (3).
6. The prefabricated drainage lining structure suitable for a tunnel disaster prevention and rescue channel according to claim 1, wherein the distance between two adjacent diversion holes (2) communicated with the same drainage hole (1) is 50-150 cm.
7. The prefabricated drainage lining structure for a tunnel disaster prevention and rescue channel according to claim 1, wherein the width of the water collecting trench (3) is 10-40 cm and the height thereof is 10-50 cm.
8. A prefabricated drainage lining structure for a tunnel disaster prevention and rescue channel according to claim 3, characterized in that the length of the manhole (7) is 50-100 cm, the width is 50-100 cm, and the depth is 50-150 cm.
9. The prefabricated drainage lining structure suitable for a tunnel disaster prevention and rescue channel according to claim 2, wherein the diameter of the drainage blind pipe (4) is 3-5 cm.
10. A prefabricated drainage lining structure for a tunnel disaster prevention and rescue channel according to claim 3, characterized in that the distance between two adjacent manholes (7) is 3-20 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320983101.XU CN220167945U (en) | 2023-04-27 | 2023-04-27 | Prefabricated drainage lining structure suitable for tunnel disaster prevention rescue channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320983101.XU CN220167945U (en) | 2023-04-27 | 2023-04-27 | Prefabricated drainage lining structure suitable for tunnel disaster prevention rescue channel |
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| Publication Number | Publication Date |
|---|---|
| CN220167945U true CN220167945U (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320983101.XU Active CN220167945U (en) | 2023-04-27 | 2023-04-27 | Prefabricated drainage lining structure suitable for tunnel disaster prevention rescue channel |
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| CN (1) | CN220167945U (en) |
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- 2023-04-27 CN CN202320983101.XU patent/CN220167945U/en active Active
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