CN217352610U - Shield tunnel comprehensive well enclosure structure - Google Patents
Shield tunnel comprehensive well enclosure structure Download PDFInfo
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- CN217352610U CN217352610U CN202221360934.2U CN202221360934U CN217352610U CN 217352610 U CN217352610 U CN 217352610U CN 202221360934 U CN202221360934 U CN 202221360934U CN 217352610 U CN217352610 U CN 217352610U
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- concrete wall
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a shield tunnel comprehensive well enclosure structure, which comprises a well body, wherein a reinforced concrete foundation is poured at the bottom of the well body, and reinforced concrete wall walls are poured on four side walls of the well body positioned at the upper part of the reinforced concrete foundation; a shield equipment supporting foundation arranged along the excavation direction of the shield tunnel is poured at the upper end of the middle part of the reinforced concrete foundation, and well bodies on two sides of the shield equipment supporting foundation form a deposition area; a plurality of supporting piles are arranged in the sedimentation area, perforated steel plates are flatly laid at the upper ends of the supporting piles, the height of each perforated steel plate is lower than that of a supporting foundation of the shield equipment, and a plurality of overflow pipes communicated with the sedimentation area are respectively arranged on four reinforced concrete walls below the perforated steel plates in a penetrating manner; the deposition areas on the two sides are mutually communicated, and a water pumping device is also arranged on the steel plate with holes of any one deposition area. The shield tunnel comprehensive well enclosure structure has the technical characteristics of safe and stable enclosure, large space residual, and timely and efficient drainage.
Description
Technical Field
The utility model relates to a tunnel geotechnical engineering technical field specifically is a shield tunnel synthesizes well envelope.
Background
In the shield tunnel construction process, the comprehensive well is a foundation structure arranged in the tunnel excavation direction, is used for pipeline arrangement, equipment lowering, ventilation and exhaust, personnel entering and exiting, water collection and drainage and the like from the foundation structure, and is an essential structural body in shield construction.
The well body of the synthetic well in the prior art mainly adopts cast-in-situ bored piles, a rod body supporting structure and a well wall to jointly form a well body enclosure structure, the structure needs large-area construction and drilling, the construction difficulty is high, the cost is high, the space in the well body can be influenced by rod body supporting, the space in the well body can be limited for an installation equipment area or a personnel activity area, in addition, the well bottom of the conventional synthetic well is generally directly poured to form a shield equipment foundation for a shield machine and matched equipment thereof, but the foundation can be settled after bearing for a long time, further the subsequent use is influenced, pit digging accumulated water drainage is adopted at the bottom of the well body, the accumulated water drainage is not timely enough, if the water surface rises easily to influence the use of the equipment in the well body in stormy weather or serious rock seepage, the well body strength can also be influenced after pit digging, and the pit digging position is very easy to collapse to cause accidents.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a shield tunnel synthesizes well envelope, this shield tunnel synthesizes well envelope has that enclosure safety is stable, the space remains greatly and the timely efficient technical characterstic of drainage.
The purpose of the utility model is mainly realized through the following technical scheme: the shield tunnel comprehensive well enclosure structure comprises a well body, wherein a reinforced concrete foundation is poured at the bottom of the well body, and reinforced concrete wall walls are poured on four side walls of the well body positioned at the upper part of the reinforced concrete foundation; a shield equipment supporting foundation arranged along the excavation direction of the shield tunnel is poured at the upper end of the middle part of the reinforced concrete foundation, and well bodies on two sides of the shield equipment supporting foundation form a deposition area; a plurality of supporting piles are arranged in the sedimentation area, perforated steel plates are flatly laid at the upper ends of the supporting piles, the height of each perforated steel plate is lower than that of a supporting foundation of the shield equipment, and a plurality of overflow pipes communicated with the sedimentation area are respectively arranged on four reinforced concrete walls below the perforated steel plates in a penetrating manner; the deposition areas on the two sides are communicated with each other, and a water pumping device is further arranged on the steel plate with the hole of any one deposition area.
Based on above technical scheme, shield structure equipment supports ground upper end middle part and is provided with the mounting groove, and mounting groove bottom both sides are run through and are provided with the small opening.
Based on above technical scheme, foraminiferous steel sheet upper end still tiles there is hydrophobic ground mat.
Based on the technical scheme, a plurality of radial through holes are formed in the pipe body of the overflow pipe, and the overflow pipe is communicated with the deposition area, penetrates through the reinforced concrete wall and then extends into the soil body on the outer side of the reinforced concrete wall.
Based on the technical scheme, the length of the overflow pipe extending into the outer side of the reinforced concrete wall is 1-2 m.
Based on the technical scheme, a plurality of anchor rods extending into the soil outside the reinforced concrete wall are further fixed on any reinforced concrete wall.
Based on the technical scheme, the anchor rods positioned at the lower part of the reinforced concrete wall are obliquely and downwards arranged, the anchor rods positioned at the middle part of the reinforced concrete wall are horizontally arranged, and the anchor rods positioned at the upper part of the reinforced concrete wall are obliquely and upwards arranged.
Based on the technical scheme, the water pumping equipment comprises a water pumping control box, wherein a controller and a first electric water pump electrically connected with the controller are arranged in the water pumping control box, a water inlet pipe of the first electric water pump is communicated with a deposition area in an area below a steel plate with a hole, and an outlet pipe of the first electric water pump extends out of the well body through the inner side of the reinforced concrete wall; the lower part of the steel plate with the hole is also provided with a first liquid level sensor which is electrically connected with the controller.
Based on the technical scheme, a second electric water suction pump electrically connected with the controller is further arranged in the water suction control box; and a second liquid level sensor electrically connected with the controller is further arranged on the inner side of the reinforced concrete wall, and the height of the second liquid level sensor is equal to the height of the shield equipment supporting foundation.
Based on the technical scheme, a wireless signal transceiver electrically connected with the controller is further arranged in the water pumping control box.
Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a reinforced concrete ground supports reinforced concrete wall and forms an overall structure, the two load each other, and then can effectively guarantee the integrality of well body bottom and lateral wall, can effectively prevent that the part of well body lateral wall and bottom from collapsing, the settlement problem, enclosure strength is big, have the characteristics of enclosure safety and stability, carry out ponding as whole ponding region through the deposit area that forms, ponding is effectual, and keep apart the deposit area through foraminiferous steel sheet, also be convenient for the installation and the upper portion drainage of well body internal equipment of joining in marriage, shield structure equipment supports highly being higher than foraminiferous steel sheet of ground, can draw water through ponding height control pumping equipment and can not lead to shield structure equipment to support ground ponding, guarantee the use of main part shield structure equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top sectional view of the present invention;
fig. 3 is a circuit connection diagram of the water pumping device of the present invention;
the reference numerals in the drawings denote:
1. a well body; 2. a reinforced concrete foundation; 3. a reinforced concrete wall; 4. a shield tunnel; 5. the shield equipment supports the foundation; 6. a deposition zone; 7. supporting piles; 8. a steel plate with holes; 9. an overflow pipe; 10. a water pumping device; 11. mounting grooves; 12. a leak hole; 13. an anchor rod; 14. a water pumping control box; 15. a controller; 16. a first electric water pump; 17. a first liquid level sensor; 18. a second electric water pump; 19. a second liquid level sensor; 20. a wireless signal transceiver.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
As shown in fig. 1 and fig. 2, the embodiment provides a shield tunnel integrated well enclosure structure, which includes a well body 1, a reinforced concrete foundation 2 is poured at the bottom of the well body 1, and reinforced concrete wall walls 3 are poured on four side walls of the well body 1 located at the upper part of the reinforced concrete foundation 2; a shield equipment supporting foundation 5 arranged along the excavation direction of the shield tunnel 4 is poured at the upper end of the middle part of the reinforced concrete foundation 2, and well bodies 1 on two sides of the shield equipment supporting foundation 5 form a deposition area 6; a plurality of supporting piles 7 are arranged in the sedimentation area 6, perforated steel plates 8 are flatly laid at the upper ends of the supporting piles 7, the height of each perforated steel plate 8 is lower than that of the shield equipment supporting foundation 5, and a plurality of overflow pipes 9 communicated with the sedimentation area 6 are respectively arranged on the four reinforced concrete wall walls 3 below the perforated steel plates 8 in a penetrating mode; the deposition areas 6 on the two sides are communicated with each other, and a water pumping device 10 is further arranged on the steel plate 8 with the holes of any one deposition area 6.
During this embodiment construction, excavate well body 1 to design size in advance at the design position, build the steel bar structure of reinforced concrete foundation 2 and reinforced concrete wall 3 after the completion, and pre-buried warning pipe 9 in the design position, concreting after the completion forms reinforced concrete foundation 2 and reinforced concrete wall 3 after waiting to solidify, after solidifying completely and satisfying the design strength requirement, the shield structure equipment that waters supports ground 5 again, accomplish the back or carry out the installation of knee pile 7 and the laying of foraminiferous steel sheet 8 in step, after all structures are all stable and satisfy the test requirement, build pumping equipment 10 again, and can further install all the other corollary equipment in the well body 1.
Based on the structure, the bottom and four side walls of the well body 1 are enclosed and reinforced by the built reinforced concrete foundation 2 and the built reinforced concrete wall 3, the underground water outside the well body 1 can be guided to the deposition area 6 through the overflow pipe 9 for accumulated water drainage, the deformation, settlement or collapse of the reinforced concrete foundation 2 and the reinforced concrete wall 3 caused by the soft deformation of the soil body due to the underground water can be avoided outside the well body 1, the height of the foundation 5 supported by the shield equipment is higher than that of the perforated steel plate 8 in the design process, the shield equipment can be prevented from being submerged by controlling the water depth of the deposition area 6, the safety of the shield equipment can be ensured, and the shield equipment can support the equipment mounted on the shield equipment through the perforated design of the perforated steel plate 8, and can well drain the seepage water or rainwater and the like generated on the upper side wall of the well body 1, ensure that all the other equipment can not be corroded by water, unnecessary water accessible pumping equipment 10 discharges, and then play fine ponding drainage effect, to sum up, this embodiment overall structure passes through reinforced concrete foundation 2 and the overall structure design of reinforced concrete wall 3, can be fine as whole each other support the atress, and then overall structure enclosure effect is good, need not to build supporting construction in addition again, can be for 1 inside vacant more spaces of well body for the use, reverse reduction well body 1's design size, and through reasonable ponding drainage design, can ensure the safety of 1 interior equipment of well body, and play fine ponding drainage effect.
With continued reference to fig. 1, the shield equipment support foundation 5 is mainly used as an installation foundation for the shield machine and its supporting equipment, and is used for bearing the shield machine and its supporting equipment.
When specifically using, shield structure equipment supports 5 upper ends middle parts and is provided with mounting groove 11, and 11 bottom both sides of mounting groove run through and are provided with small opening 12. 11 mainly used installation shield of mounting groove constructs machine or corollary equipment thereof to in the installation, when specifically using, probably have ponding in the mounting groove 11, consequently design small opening 12 can be effectively with 11 interior ponding dischargements of mounting groove.
The steel plate with holes 8 is mainly used for supporting and installing supporting equipment in the well body 1. Foraminiferous steel sheet 8 is the steel sheet structure of thickness about 15 centimeters, sets up a plurality of through-holes on it so that the drainage, and when concrete application, foraminiferous steel sheet 8 can be formed by a plurality of monomer steel sheet concatenation installations according to 6 sizes in sedimentation zone to reduce the installation degree of difficulty. Furthermore, a hydrophobic ground mat can be tiled at the upper end of the steel plate with the holes 8, so that the drainage is met, meanwhile, wastes such as garbage and stone particles are isolated, and the blockage caused by the entering of the wastes in the deposition area 6 is avoided.
In specific implementation, a plurality of radial through holes are formed in the pipe body of the overflow pipe 9, and the overflow pipe 9 is communicated with the deposition area 6, penetrates through the reinforced concrete wall 3 and then extends into the soil body outside the reinforced concrete wall 3. The overflow pipe 9 is mainly used for introducing underground water outside the reinforced concrete wall 3 into the sedimentation area 6, the underground water can quickly collect water by penetrating into soil outside the reinforced concrete wall 3, and the overflow pipe 9 can also be used as an anchoring structure to reinforce the enclosure strength of the reinforced concrete wall 3 to play a certain auxiliary enclosure effect, so that the length of the overflow pipe 9 extending into the outer side of the reinforced concrete wall 3 can be 1-2 m, and the reinforced concrete wall 3 can be better reinforced while the water collection effect is improved.
With reference to fig. 1 and 2, in order to further improve the enclosure effect of the well body 1, in this embodiment, a plurality of anchor rods 13 extending into the soil outside the reinforced concrete wall 3 are further fixed on any one of the reinforced concrete walls 3. The anchor rod 13 can be installed through drilling and anchoring after the reinforced concrete wall 3 is formed, the installed anchor rod 13 extends into the soil body outside the reinforced concrete wall 3, the whole reinforced concrete wall 3 can be reinforced, and the reinforced concrete wall 3 can bear the stress of the soil body outside without deformation. Further, when the reinforced concrete wall is installed, the anchor rods 13 located at the lower portion of the reinforced concrete wall 3 are obliquely and downwards arranged, the anchor rods 13 located at the middle portion of the reinforced concrete wall 3 are horizontally arranged, the anchor rods 13 located at the upper portion of the reinforced concrete wall 3 are obliquely and upwards arranged, and then the anchor rod structures in different directions are adopted for soil bodies in different depths, so that the anchoring effect of the anchor rods can be enhanced, and the reinforced concrete wall 3 and an external soil body are stressed more uniformly to form a complete complex.
As shown in fig. 2 and 3, the water pumping device 10 is mainly used for pumping accumulated water in the deposition area 6.
In a specific application, the water pumping device 10 may include a water pumping control box 14, a controller 15 and a first electric water pump 16 electrically connected to the controller 15 are disposed in the water pumping control box 14, a water inlet pipe of the first electric water pump 16 is communicated with the deposition area 6 below the steel plate with holes 8, and an outlet pipe of the first electric water pump 16 extends out of the well body 1 through the inner side of the reinforced concrete wall 3; the lower part of the steel plate with holes 8 is also provided with a first liquid level sensor 17, and the first liquid level sensor 17 is electrically connected with the controller 15. During the application, first level sensor 17 sets up in 8 lower parts of foraminiferous steel sheet suitable positions, and when ponding reached first level sensor 17 position in sedimentation zone 6, first level sensor 17 sent the testing result to controller 15, and controller 15 then controls first electronic suction pump 16 and draws water automatically, treat to draw water accomplish or certain time after stop first electronic suction pump 16 can, through the automatic drainage operation in the realization well body 1 that above design can be fine.
On the basis, when meeting the weather of sudden increase of the water accumulation amount of underground water and heavy rain, the accumulated water in the deposition area 6 can submerge the shield equipment supporting foundation 5 due to untimely discharge, and the accumulated water flows backwards into the shield tunnel to cause damage.
Therefore, in further implementation, a second electric water pump 18 electrically connected to the controller 15 is further disposed in the water pumping control box 14; the inner side of the reinforced concrete wall 3 is also provided with a second liquid level sensor 19 electrically connected with the controller 15, and the height of the second liquid level sensor 19 is equal to the height of the shield equipment supporting foundation 5. When the accumulated water reaches the second liquid level sensor 19, the second liquid level sensor 19 sends the detection result to the controller 15, and the controller 15 controls the second electric water pump 18 to automatically pump water, so that the water is simultaneously drained by combining the first electric water pump 16, and the water discharge amount is increased. Further, the inlet and outlet pipes of the second electric water pump 18 may share the same pipe with the first electric water pump 16, or may be arranged separately.
In order to further increase the safety of the well body 1, in the embodiment, a wireless signal transceiver 20 electrically connected with the controller 15 is further disposed in the pumping control box 14. After the second electric water pump 18 is started, the wireless signal transceiver 20 can send the detection data or the pumping data of the first liquid level sensor 17, the second liquid level sensor 19, the first electric water pump 16 and the second electric water pump 18 to the remote construction monitoring system, so that a construction unit or a constructor can judge the accumulated water drainage condition remotely according to the data condition, and therefore, temporary drainage measures can be taken when necessary, and the equipment safety in the well body 1 is ensured.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The shield tunnel comprehensive well enclosure structure comprises a well body and is characterized in that a reinforced concrete foundation is poured at the bottom of the well body, and reinforced concrete wall walls are poured on four side walls of the well body positioned at the upper part of the reinforced concrete foundation;
a shield equipment supporting foundation arranged along the excavation direction of the shield tunnel is poured at the upper end of the middle part of the reinforced concrete foundation, and well bodies on two sides of the shield equipment supporting foundation form a deposition area;
a plurality of support piles are arranged in the deposition area, perforated steel plates are flatly laid at the upper ends of the support piles, the height of each perforated steel plate is lower than that of a supporting foundation of the shield equipment, and a plurality of overflow pipes communicated with the deposition area are respectively arranged on four reinforced concrete walls below the perforated steel plates in a penetrating mode;
the deposition areas on the two sides are communicated with each other, and a water pumping device is further arranged on the steel plate with the hole of any one deposition area.
2. The shield tunnel integrated well enclosure structure of claim 1, wherein the shield equipment is provided with a mounting groove in the middle of the upper end of the supporting foundation, and two sides of the bottom of the mounting groove are provided with a leakage hole in a penetrating manner.
3. The shield tunnel integrated well enclosure structure of claim 1, wherein a hydrophobic ground mat is further tiled on the upper end of the perforated steel plate.
4. The shield tunnel integrated well enclosure structure of claim 1, wherein a plurality of radial through holes are formed in the body of the overflow pipe, and the overflow pipe is communicated with the sedimentation zone, penetrates through the reinforced concrete wall and then extends into the soil outside the reinforced concrete wall.
5. The shield tunnel integrated well enclosure structure of claim 4, wherein the length of the overflow pipe extending to the outside of the reinforced concrete wall is 1-2 m.
6. The shield tunnel integrated well enclosure structure of claim 1, wherein a plurality of anchor rods extending into the soil outside the reinforced concrete wall are further fixed on any one of the reinforced concrete walls.
7. The shield tunnel integrated well enclosure structure of claim 6, wherein the anchor rods positioned at the lower portion of the reinforced concrete wall are disposed obliquely downward, the anchor rods positioned at the middle portion of the reinforced concrete wall are disposed horizontally, and the anchor rods positioned at the upper portion of the reinforced concrete wall are disposed obliquely upward.
8. The shield tunnel integrated well enclosure structure of claim 1, wherein the pumping equipment comprises a pumping control box, a controller and a first electric pumping pump electrically connected with the controller are arranged in the pumping control box, a water inlet pipe of the first electric pumping pump is communicated with a deposition area in an area below the steel plate with the hole, and an outlet pipe of the first electric pumping pump extends out of the well body through the inner side of the reinforced concrete wall;
the lower part of the steel plate with the hole is also provided with a first liquid level sensor which is electrically connected with the controller.
9. The shield tunnel integrated well enclosure structure of claim 8, wherein a second electric water pump electrically connected with the controller is further arranged in the water pumping control box;
and a second liquid level sensor electrically connected with the controller is further arranged on the inner side of the reinforced concrete wall, and the height of the second liquid level sensor is equal to the height of the shield equipment supporting foundation.
10. The shield tunnel integrated well enclosure structure of claim 8, wherein a wireless signal transceiver electrically connected with the controller is further arranged in the pumping control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221360934.2U CN217352610U (en) | 2022-06-01 | 2022-06-01 | Shield tunnel comprehensive well enclosure structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221360934.2U CN217352610U (en) | 2022-06-01 | 2022-06-01 | Shield tunnel comprehensive well enclosure structure |
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| Publication Number | Publication Date |
|---|---|
| CN217352610U true CN217352610U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221360934.2U Active CN217352610U (en) | 2022-06-01 | 2022-06-01 | Shield tunnel comprehensive well enclosure structure |
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|---|---|
| CN (1) | CN217352610U (en) |
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2022
- 2022-06-01 CN CN202221360934.2U patent/CN217352610U/en active Active
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