CN113323721B - Drainage structure and drainage method for tunnel with underground buried section - Google Patents
Drainage structure and drainage method for tunnel with underground buried section Download PDFInfo
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- CN113323721B CN113323721B CN202110474409.7A CN202110474409A CN113323721B CN 113323721 B CN113323721 B CN 113323721B CN 202110474409 A CN202110474409 A CN 202110474409A CN 113323721 B CN113323721 B CN 113323721B
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- gallery
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- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 11
- 238000009412 basement excavation Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011176 pooling Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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Abstract
The invention relates to a drainage structure of a tunnel with a lower penetrating and hidden buried section and a drainage method thereof, the drainage structure comprises a motor vehicle lane, non-motor lanes arranged on two sides of the motor vehicle lane, a regulating corridor arranged below the non-motor vehicle lane, a comprehensive pipe corridor arranged on the outer side of the non-motor vehicle lane and a drainage corridor arranged below the comprehensive pipe corridor, wherein transverse intercepting ditches are arranged on the non-motor vehicle lane and the motor vehicle lane at intervals, the transverse intercepting ditches of the non-motor vehicle lane are obliquely arranged towards the motor vehicle lane, the transverse intercepting ditches of the motor vehicle lane are obliquely arranged towards the drainage corridor, the drainage corridor is communicated with the motor vehicle lane, the drainage corridor is positioned at the lowest position of the tunnel, a drainage pump room is further arranged on the outer side of the drainage corridor, the drainage pump room is provided with a water pump, and the drainage corridor and the regulating corridor are communicated through pre-buried steel pipes so as to drain rainwater.
Description
Technical Field
The invention relates to construction of a buried tunnel drainage structure, in particular to a drainage method of a tunnel drainage structure with a lower penetrating buried section.
Background
In increasingly congested cities, roads and space resources above and below are becoming more and more valuable. How to use underground space to the maximum extent and play the function of underground structure becomes important content for municipal infrastructure construction. The urban tunnel and the utility tunnel belong to two different types of underground structures, if the urban tunnel and the utility tunnel can be combined together, the integrated construction of the tunnel and the utility tunnel is realized, and the underground space resources can be fully utilized. The sponge city is a new generation city rain and flood management concept, and the city has good elasticity in the aspects of adapting to environmental changes and responding to natural disasters caused by rainwater, and the city is also called as a water elasticity city. When raining, water is absorbed, stored, permeated and purified, and the stored water is released and utilized when needed.
Urban inland inundation refers to the phenomenon that water accumulation disasters are caused in cities due to strong precipitation or continuous precipitation exceeding urban drainage capacity. The objective cause of waterlogging is that rainfall intensity is large and the range is concentrated. The places with special don't worry can form ponding, and the ponding can be formed even if the rainfall intensity is relatively large and the time is relatively long. Some urban drainage pipe networks in China are immature in development, pipelines are aged, and drainage standards are low. Some places are not sound and the drainage facilities are not perfect, and the construction lag of the drainage system is an important cause of waterlogging. In addition, a large number of hard pavements in cities, such as asphalt road and cement road surfaces, have poor water permeability during rainfall, are not easy to infiltrate, and can easily form accumulated water on the road surfaces.
Disclosure of Invention
In order to solve the problems in the prior art, a drainage structure of a tunnel with a penetrating and buried section and a drainage method thereof are provided, wherein the drainage structure can fully utilize underground space and drain water fully.
In order to achieve the above object, the present invention adopts the following technical scheme: a drainage structure and a drainage method for a tunnel with a buried section.
The drainage structure comprises a motor vehicle lane, non-motor vehicle lanes arranged on two sides of the motor vehicle lane, a regulating corridor arranged below the non-motor vehicle lane, a utility tunnel arranged outside the non-motor vehicle lane and a drainage corridor arranged below the utility tunnel, wherein the non-motor vehicle lane and the motor vehicle lane are respectively provided with a transverse water interception channel at intervals, the transverse water interception channels of the non-motor vehicle lane are obliquely arranged towards the motor vehicle lane, the transverse water interception channels of the motor vehicle lane are obliquely arranged towards the drainage corridor, the drainage corridor is communicated with the motor vehicle lane, the drainage corridor is positioned at the lowest part of the tunnel, a drainage pump room is further arranged outside the drainage corridor, the drainage pump room is communicated with the drainage corridor and the regulating corridor through an embedded steel pipe so as to drain rainwater, and the utility tunnel and the non-motor vehicle lane are required to be subjected to concrete filling support in the actual construction, so that the construction period is prolonged, and the drainage pump is also arranged below the motor vehicle lane, and the drainage corridor is communicated with the non-motor vehicle lane through the regulating corridor; the drainage structure is provided with two layers, so that the space is fully utilized, the construction period for carrying out concrete filling and supporting on the comprehensive pipe rack and the non-motor vehicle lane in actual construction is reduced, the cost of the enclosure structure is saved, and the investment is reduced.
As the preferable scheme, the motor vehicle lane, the storage adjusting corridor and the drainage corridor share one bottom plate, so that the structure is convenient to construct synchronously at one time, and the safety is better.
Preferably, the floor elevation of the drainage gallery is lower than the floor elevation of the motor vehicle lane, so that rainwater is promoted to flow towards the drainage gallery.
Preferably, a transverse drain pipe is arranged between the motor vehicle lane and the drainage gallery to enable the transverse water interception ditch to be communicated with the drainage gallery, and the transverse drain pipe is arranged at the bottom of the regulation gallery.
As a preferable scheme, a gate is arranged at the inlet of the regulating and accumulating gallery.
Preferably, the interval between the transverse water intercepting ditches is 0.4m, and the inclination gradient is 2%.
As a preferable scheme, the lowest part of the drainage gallery is provided with an inspection well, rainwater is collected at the inspection well, mixed soil is deposited in the inspection well, and the water pump pumps out the deposited rainwater.
The invention also provides a drainage method of the drainage structure of the underpass buried section tunnel, which comprises the following steps:
s1: rainwater enters a buried section of the tunnel, and is trapped by a transverse intercepting ditch;
S2: rainwater in the transverse intercepting ditch of the non-motor vehicle lane is collected to the motor vehicle lane, and the rainwater in the transverse intercepting ditch of the motor vehicle lane flows into the drainage gallery through the embedded steel pipe;
S3: the rainwater enters a drainage pump room through an inspection well at the lowest point of the drainage gallery and through an embedded steel pipe, and is discharged through a water pump. Preferably, the method further comprises opening a gate of the regulation gallery when in the flood phase, the regulation gallery pooling flood.
Preferably, the method further comprises opening a gate of the regulation gallery when in the flood phase, the regulation gallery pooling flood.
Compared with the prior art, the invention has the following advantages:
1. And a regulation gallery is constructed below the non-motor vehicle lane, and a drainage gallery is arranged below the comprehensive pipe gallery, so that underground and structural space is fully utilized, the cost of separately taking a tunnel or the comprehensive pipe gallery as a building is saved, and investment is reduced.
2. Due to synchronous implementation, mutual protection measures are not needed during construction, and the safety is good.
3. The motor vehicle lane 1, the storage gallery 4 and the drainage gallery 5 share a bottom plate, a common foundation pit is formed, the excavation operation surface is small, the occupied area and the period are short, and the peripheral interference is small during implementation.
4. The drainage gallery and the regulation gallery are built in a combined way, and the regulation and drainage can be carried out in the rainstorm period.
5. The drainage gallery is utilized for longitudinally draining the tunnel, so that the drainage effect is remarkable.
Drawings
FIG. 1 is a schematic view of a drainage structure at a tunnel cross section of the present invention.
FIG. 2 is a schematic view of drainage of the upper vertical section of the drainage structure of the present invention.
FIG. 3 is a schematic view of drainage of the lower vertical section of the drainage structure of the present invention.
Wherein, 1 motor vehicle lane, 2 non-motor vehicle lane, 3 utility tunnel, 4 regulation corridor, 5 drainage corridor, 6 horizontal intercepting ditch, 7 pre-buried steel pipe, 8 inspection shaft, 9 drainage pump house, 10 horizontal drain pipes.
The arrows in the figure indicate the direction of water flow
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. are based on the positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the method or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "held," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication of the inner sections of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and 3, the embodiment of the invention provides a tunnel drainage structure with a lower penetrating buried section, the drainage structure comprises a motor vehicle lane 1, non-motor vehicle channels arranged on two sides of the motor vehicle lane 1, a regulating corridor 4 arranged below the non-motor vehicle lane 2, a utility tunnel 3 arranged outside the non-motor vehicle lane 2 and a drainage corridor 5 arranged below the utility tunnel 3, wherein transverse intercepting water channels 6 are arranged on the non-motor vehicle lane 2 and the motor vehicle lane 1 at intervals, the transverse intercepting water channels 6 of the non-motor vehicle lane are obliquely arranged towards the motor vehicle lane, the transverse intercepting water channels 6 of the motor vehicle lane are obliquely arranged towards the drainage corridor 5, the drainage corridor 5 is communicated with the motor vehicle lane 1, the drainage corridor 5 is positioned at the lowest part of the tunnel, a water pump is further arranged outside the drainage corridor 5, the drainage corridor 9 is provided with a water pump, the drainage corridor 9 is communicated with the drainage corridor 5 through an embedded 7 between the non-motor vehicle lane 2 and the motor vehicle lane 1, so that rainwater drainage is also arranged in the non-motor vehicle lane 2 and the utility tunnel 1 at intervals, and the drainage corridor 3 is further communicated with the drainage corridor 3 due to the fact that the drainage corridor is supported in the non-motor vehicle lane 2, and the water pump is further communicated with the utility tunnel 3, and the drainage corridor 3 is also arranged in the lower side of the utility tunnel 2, and the utility tunnel is required to be communicated with the utility tunnel 3, and the drainage corridor is also is communicated with the utility tunnel 3 by the drainage corridor 3, and the utility tunnel is further communicated with the utility tunnel through the drainage corridor 3 through the embedded water channel 4; according to the technical scheme, the drainage structure is provided with two layers, so that the space is fully utilized, the construction period for carrying out concrete filling and supporting on the comprehensive pipe rack 3 and the non-motor vehicle lane in actual construction is reduced, the cost of the enclosure structure is saved, and the investment is reduced; further, the storage adjusting gallery 4 is communicated with the drainage pump room 9 through the embedded steel pipe 7, and the height of the bottom plate of the drainage gallery 5 is 2.5m lower than that of the bottom plate of the motor vehicle lane 1; the co-building structure can fully utilize underground and structural space, save the cost of the tunnel or the comprehensive pipe gallery 3 which is independently used as the enclosure and the structure of the structure, and reduce investment; and the common foundation pit is small in excavation working face, short in occupied area and period, and less in peripheral interference during implementation.
Further, the motor vehicle lane 1, the storage gallery 4 and the drainage gallery 5 share a bottom plate, the heights of the outer bottom plates of the drainage galleries 5 at the bottom plate are the same, the thickness of the bottom plates of the pipe galleries is 1m, the thicknesses of the outer side walls and the top plates are 0.8m, the thickness of the bottom plates of the non-motor vehicle lane 2 is 0.35m, and the thicknesses of the other inner side walls are 0.5m; the width of the motor vehicle lane 1 is 8.5 meters, and the width of the non-motor vehicle lane 2 and the width of the regulation pipe gallery are 6.7 m.
Further, a lateral drain pipe 10 is provided between the motor vehicle lane 1 and the drain gallery 5 to communicate the lateral water intercepting drain 6 with the drain gallery 5, the lateral drain pipe 10 being provided at the bottom of the regulation gallery.
Further, a gate is arranged at the inlet of the storage gallery 4, when the storage gallery is in a flood period, the gate is opened to collect flood, and then the flood period is discharged from the drain pump house 9; in the technical scheme, the water pump used by the regulation gallery 4 is a special water pump and does not adopt the same line with the water pump used by the drainage gallery 5.
Further, the width of the lateral intercepting drain 6 is 0.4m, and the inclination of the lateral intercepting drain is 2%.
Further, the lowest place of drainage corridor 5 is equipped with inspection shaft 8, and the silt that the rainwater carried is deposited at inspection shaft 8, avoids blockking up, and still many places minimum in this structure are equipped with inspection shaft 8 in order to deposit the rainwater.
As shown in fig. 2, the embodiment of the invention further provides a drainage method of the drainage structure of the underpass buried section tunnel, which comprises the following steps:
S1: the rainwater enters a buried section of the tunnel, and the rainwater is trapped by the transverse intercepting ditch 6;
S2: rainwater in the transverse intercepting ditch 6 of the non-motor vehicle lane 2 is collected to the motor vehicle lane 1, and the rainwater in the transverse intercepting ditch 6 of the motor vehicle lane 1 flows into the drainage gallery 5 through the embedded steel pipe 7 by the inspection well 8;
s3: through the inspection well 8 at the lowest point of the drainage gallery 5, enters the drainage pump house 9 through the embedded steel pipe 7, and is discharged through the water pump. Preferably, the method further comprises opening a gate of the regulation gallery 4 when in the flood period, and the regulation gallery 4 collects flood;
S4: when in flood period, the gate of the regulating gallery 4 is opened, and the regulating gallery 4 collects flood.
Compared with the prior art, the invention has the following advantages:
1. and a regulation gallery 4 is constructed below the non-motor vehicle lane 2, and a drainage gallery 5 is arranged below the comprehensive pipe gallery 3, so that the underground and structural space is fully utilized, the cost of the tunnel or the comprehensive pipe gallery 3 which is independently used as the enclosure and the structure of the structure is saved, and the investment is reduced.
2. Due to synchronous implementation, mutual protection measures are not needed during construction, and the safety is good.
3. The motor vehicle lane 1, the storage gallery 4 and the drainage gallery 5 share a bottom plate, a common foundation pit is formed, the excavation operation surface is small, the occupied area and the period are short, and the peripheral interference is small during implementation.
4. The drainage gallery 5 and the regulation gallery 4 are built in a combined way, and the regulation and drainage can be carried out in the rainstorm period.
5. The drainage gallery 5 is utilized for longitudinally draining the tunnel, so that the drainage effect is remarkable.
It should be noted that the above embodiments are merely representative examples of the present invention. Many variations of the invention are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the principles of the present invention should be considered to fall within the scope of the present invention.
Claims (7)
1. The utility model provides a wear secretly to bury section tunnel drainage structures down which characterized in that: the drainage structure comprises a motor vehicle lane, non-motor vehicle lanes arranged on two sides of the motor vehicle lane, a regulating and accumulating corridor arranged below the non-motor vehicle lanes, a comprehensive pipe corridor arranged on the outer side of the non-motor vehicle lanes and a drainage corridor arranged below the comprehensive pipe corridor, wherein transverse water intercepting ditches are arranged on the non-motor vehicle lanes and the motor vehicle lanes at intervals, the transverse water intercepting ditches of the non-motor vehicle lanes are obliquely arranged towards the motor vehicle lanes, the transverse water intercepting ditches of the motor vehicle lanes are obliquely arranged towards the drainage corridor, the drainage corridor is communicated with the motor vehicle lanes, the drainage corridor is positioned at the lowest part of the tunnel, a drainage pump house is further arranged on the outer side of the drainage corridor, and a water pump is arranged between the drainage pump house and the drainage corridor and the regulating and accumulating corridor and is communicated with each other through pre-buried steel pipes so as to drain rainwater; a gate is arranged at the inlet of the regulating and accumulating gallery (4); the width of the transverse intercepting ditch is 0.4m, and the inclination of the transverse intercepting ditch is 2%.
2. The drainage structure of the underpass buried tunnel according to claim 1, wherein the motor vehicle lane (1), the storage gallery (4) and the drainage gallery (5) share a single floor.
3. A underpass buried tunnel drainage structure according to claim 1, characterized in that the floor level of the drainage gallery (5) is lower than the floor level of the motor vehicle.
4. A underpass buried tunnel drainage structure according to claim 1, characterized in that a transverse drain pipe (10) is provided between the motor vehicle lane (1) and the drainage gallery (5) to communicate the transverse intercepting drain with the drainage gallery (5).
5. The underdrain buried tunnel drainage structure of claim 1, wherein an inspection well is provided at a lowest position of the drainage gallery.
6. A drainage method of a underpass buried tunnel drainage structure according to any one of claims 1 to 5, comprising the steps of:
s1: rainwater enters a buried section of the tunnel, and is trapped by a transverse intercepting ditch;
S2: rainwater in the transverse intercepting ditch of the non-motor vehicle lane is collected to the motor vehicle lane, and the rainwater in the transverse intercepting ditch of the motor vehicle lane flows into the drainage gallery through the embedded steel pipe;
S3: the rainwater enters a drainage pump room through an inspection well at the lowest point of the drainage gallery and through an embedded steel pipe, and is discharged through a water pump.
7. The method of draining a underdrain tunnel drain structure of claim 6, further comprising opening a gate of a regulating gallery to collect flood water when in a flood phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474409.7A CN113323721B (en) | 2021-04-29 | 2021-04-29 | Drainage structure and drainage method for tunnel with underground buried section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474409.7A CN113323721B (en) | 2021-04-29 | 2021-04-29 | Drainage structure and drainage method for tunnel with underground buried section |
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| Publication Number | Publication Date |
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| CN113323721A CN113323721A (en) | 2021-08-31 |
| CN113323721B true CN113323721B (en) | 2024-05-28 |
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| CN113323721A (en) | 2021-08-31 |
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