CN211285727U - Shaft type underground space capable of adjusting water buoyancy - Google Patents
Shaft type underground space capable of adjusting water buoyancy Download PDFInfo
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- CN211285727U CN211285727U CN201922003025.8U CN201922003025U CN211285727U CN 211285727 U CN211285727 U CN 211285727U CN 201922003025 U CN201922003025 U CN 201922003025U CN 211285727 U CN211285727 U CN 211285727U
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Abstract
The utility model provides a shaft type underground space capable of adjusting water buoyancy, which comprises a shaft structure and at least one water suction pipe, a water collecting pit, a drain pipe and a water pump; the pit shaft structure is provided with a top plate for sealing or semi-sealing the pit shaft structure, the water collecting pit is arranged at the bottom of the pit shaft structure, one end of the water suction pipe penetrates through the bottom of the pit shaft structure, the other end of the water suction pipe is arranged in the water collecting pit, underground water at the bottom of the pit shaft structure flows into the water collecting pit through the water suction pipe, the water pump is arranged in the water collecting pit, the water discharge pipe is connected with a water outlet of the water pump, and the water is discharged from the water collecting pit through the water discharge pipe. The utility model has the advantages that: the water buoyancy borne by the storage warehouse and the garage can be balanced, and the water buoyancy borne by the underground space can be stably, reduced and adjusted within a certain range.
Description
Technical Field
The utility model relates to an underground construction technical field especially relates to a pit shaft formula underground space of adjustable water buoyancy.
Background
The existing shaft type underground space adopts the modes of dead weight anti-floating, counterweight anti-floating and uplift anchor rod anti-floating, needs to increase a large amount of building materials and costs a large amount of labor. The well bore type subterranean space is commonly used as a garage and a storage.
Disclosure of Invention
An object of the utility model is to provide a pit shaft formula underground space of adjustable water buoyancy can adjust the water buoyancy that the underground space receives in the certain limit.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a shaft type underground space capable of adjusting water buoyancy comprises a shaft structure and at least one water suction pipe, a water collecting pit, a drain pipe and a water pump;
the pit shaft structure is provided with a top plate for sealing or semi-sealing the pit shaft structure, the water collecting pit is arranged at the bottom of the pit shaft structure, one end of the water suction pipe penetrates through the bottom of the pit shaft structure, the other end of the water suction pipe is arranged in the water collecting pit, underground water at the bottom of the pit shaft structure flows into the water collecting pit through the water suction pipe, the water pump is arranged in the water collecting pit, the water discharge pipe is connected with a water outlet of the water pump, and the water is discharged from the water collecting pit through the water discharge pipe.
Furthermore, still include the collector pipe, the pipe that absorbs water be the type of falling U riser, the top of the type of falling U riser is for anti floating design water level elevation position, the pipeline length of the type of falling U both sides differs, longer one end is the end of intaking, the end of intaking of the type of falling U riser run through pit shaft structure bottom, collector pipe one end and a plurality of type of falling U riser go out the water end and connect in parallel, the other end sets up in the sump pit.
The water-absorbing pipe is a straight vertical pipe, the top of the straight vertical pipe is at the position of the height of the anti-floating designed water level, the top of the straight vertical pipe is a water outlet end, the bottom of the straight vertical pipe is a water inlet end, one end of the water-collecting pipe is connected with the water outlet ends at the tops of the straight vertical pipes in parallel, and the other end of the water-collecting pipe is arranged in the water-collecting pit.
Furthermore, at least one water filtering well is arranged below the shaft structure, the water suction pipe penetrates through the shaft structure and is connected with the water filtering well, and a water inlet at the bottom of the water filtering well and the side wall of the water filtering well are filled with filter materials.
Furthermore, the filter material is sand.
Furthermore, the water-well water filtering pipe also comprises a water-well water filtering pipe, wherein one end of the water-well water filtering pipe is arranged in the water-filtering well, and the other end of the water-well water filtering pipe is connected with the water suction pipe.
The shaft structure comprises a top plate, a bottom plate, a back cover and a side wall enclosing the shaft structure, the back cover is arranged below the bottom plate, the top plate is connected with the top of the side wall, the bottom plate is connected with the bottom of the side wall, the water inlet end of the water suction pipe penetrates through the bottom plate and the back cover, and the water collecting pit is arranged on the bottom plate;
the relation formula between the total weight of the dead weight and the weight of the shaft structure and the buoyancy of water is as follows:
Gk: the total weight of the dead weight and the ballast weight of the shaft structure, wherein the ballast weight is the weight of objects such as vehicles and the like stopped in the shaft structure;
v: a volume of the wellbore structure;
ρ: the density of the water;
g: acceleration of gravity;
kw: anti-floating stability and safety factor.
Further, the safety coefficient of the anti-floating stability is not less than 1.05.
Furthermore, a water filtering layer is arranged at the bottom of the back cover, a bottom water filtering pipe is arranged in the water filtering layer, and the water inlet ends of the water suction pipes are respectively connected with the bottom water filtering pipe.
Further, the cross section of the well bore structure is circular or elliptical or polygonal or the combination of the above shapes.
Furthermore, a water level sensor is arranged on the side wall of the water collecting pit and is in signal connection with the water pump, and the type of the water level sensor is DLK 201.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
1. the utility model discloses the underground space is applicable in underground garage or commodity circulation storehouse, can balance the water buoyancy that the underground space receives, can adjust the water buoyancy that underground commodity circulation storehouse and garage received moreover in the certain limit. The utility model discloses the required building material of current well cylinder underground garage or storehouse and labour have been reduced to reduce cost.
2. Through setting up strainer well, drainage layer, strainer can effectually filter groundwater, prevent the pipe blockage.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a partially enlarged view of a portion a of fig. 1.
Fig. 3 is a partially enlarged view of a portion B of fig. 1.
Fig. 4 is a schematic diagram of the connection of components within a wellbore structure.
Fig. 5 is a schematic structural view of an inverted U-shaped riser.
Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a third embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a fourth embodiment of the present invention.
1: back cover, 2: bottom plate, 3: side wall, 4: inside the wellbore, 5: top plate, 6: sump, 7: drainage well, 71: a filter material, 8: well strainer, 9: inverted U-shaped riser, 10: water collecting pipe, 11: water pump, 12: drain pipe, 13: water filtration layer, 14: straight riser, 15: water level sensor, 16: a bottom layer of filter tubes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
The first embodiment is as follows:
as shown in fig. 1 to 5, the present embodiment discloses a shaft-type underground space capable of adjusting water buoyancy, which includes a shaft-structured building and at least one water suction pipe, a sump 6, a drain pipe 12, a water pump 11, a water level sensor 15, a drainage well 7, a water well drainage pipe 8 and a water collection pipe 10; the cross section of the shaft structure building is circular or elliptical or polygonal or the combination of the shapes. The garage and storage are disposed in the interior 4 of the well bore structure.
The building of pit shaft structure includes roof 15, bottom plate 2, back cover 1 and encloses into pit shaft structure's lateral wall 3, and back cover 1 sets up in the below of bottom plate 2, and roof 15 is connected with the top of lateral wall 3, and bottom plate 2 is connected with the bottom of lateral wall 3, and sump 6 sets up on bottom plate 2. The back cover 1 adopts a plain concrete structure, plays a role in stabilizing foundation soil in construction, and plays a role in resisting floating in the using process.
As shown in fig. 3, the water filtering well 7 is arranged below the shaft structure, and the bottom and the side wall of the water filtering well 7 are filled with filter materials 71, wherein the filter materials 71 are sand, and sand is generally used for filtering in buildings. The well strainer 8 is arranged in the strainer 7, the water inlet end of the water suction pipe penetrates through the bottom plate 2 and the sealing plate 1 of the shaft structure to be connected with the well strainer 8, and the water outlet end of the water suction pipe is arranged in the sump 6. The water pump 11 is arranged in the sump 6, and the water pump 11 is connected with the drain pipe 12 to drain the water in the sump 6 out of the sump 6. The water level sensor 15 is arranged on the side wall of the water collecting pit 6, the water level sensor 15 is in signal connection with the water pump 11, the model of the water level sensor 15 is DLK201, the water pump 11 can be opened and closed manually through opening and closing, and opening and closing can be controlled through the signal connection of the water level sensor 15.
As shown in fig. 4, the water suction pipe is an inverted U-shaped vertical pipe 9, the lengths of the pipelines on both sides of the inverted U-shaped vertical pipe 9 are different, the longer end is a water inlet end, the water inlet end of the inverted U-shaped vertical pipe 9 penetrates through the bottom plate 2 and the closing plate 1 of the shaft structure to be connected with the well strainer 8, and the top of the inverted U-shaped vertical pipe is at a position with a height of the anti-floating design water level. One end of the water collecting pipe 10 is connected with the water outlet ends of the inverted U-shaped vertical pipes 9 in parallel, and the other end of the water collecting pipe is arranged in the water collecting pit 6, so that water is intensively drained into the water collecting pit 6 and is pumped away by the water pump 11.
The working principle is as follows:
when the water pressure and buoyancy of the groundwater below the building with the shaft structure are too high and the water pressure is set to be a water level elevation, the groundwater flows into the water collecting tank 6 through the water filtering well 7, the water filtering pipe 8 of the water well, the inverted U-shaped vertical pipe 9 and the water collecting pipe 10 in sequence. The bottom and the side wall of the water filtering well 7 are filled with filter materials, and the filter materials can remove most impurities in the underground water, so that the water filtering pipe 8 of the water well, the inverted U-shaped vertical pipe 9, the water collecting pipe 10 and the water pump 11 are prevented from being blocked by the impurities. The water pump 11 may be turned on manually or by a signal connection to the water pump 11 via a water level sensor 15. When the operator sees that the water level in the sump 6 is too high, the operator can manually start the water pump 11 to pump the underground water in the sump 6, and the underground water flows to a municipal drainage network pipe or other positions through the drainage pipe 12 of the water pump 11. The shaft type underground garage and the storage warehouse can balance the water buoyancy borne by the storage warehouse and the garage, and can stabilize, reduce and adjust the water buoyancy borne by the underground logistics storage warehouse and the garage within a certain range.
When the water pressure and the buoyancy of the underground water below the building with the shaft structure are too high but not too high to exceed the water level elevation, the operation personnel do not need to operate when the underground water is at one side of the water inlet end of the water filtering well 7 or the water filtering pipe 8 of the water well or the inverted U-shaped vertical pipe 9, and the building with the shaft structure cannot be damaged by the water pressure and the buoyancy.
Example two:
as shown in fig. 6, the difference between the second embodiment and the first embodiment is that the water suction pipe of the second embodiment is a straight vertical pipe 14, the water inlet end of the straight vertical pipe 14 penetrates through the bottom plate 2 and the closing plate 1 of the shaft structure to be connected with the water well strainer pipe 8, one end of the water collection pipe 10 is connected in parallel with the water outlet ends of the tops of the straight vertical pipes 14, the other end of the water collection pipe is arranged in the water collection pit 6, the water collection pipe 10 concentrates the groundwater in each straight vertical pipe 14 to flow into the water collection pit 6, and the water pump 11 drains the groundwater in the water collection pit to the municipal drainage pipe network or other positions through the drainage pipe 12, so as to adjust the water buoyancy force applied to the underground logistics storage and the.
Example three:
as shown in fig. 7, the difference between the third embodiment and the first embodiment is: the drainage well 7 and the bottom layer drainage pipe 16 arranged in the drainage well 7 are not arranged below the building of the shaft structure of the third embodiment. The building below of pit shaft structure is equipped with water filtering layer 13, and water filtering layer 13 is the grit, uses the grit to filter usually in the building, transversely is equipped with a bottom strainer 16 in the water filtering layer 13, and the bottom plate 2 and the shrouding 1 that run through the pit shaft structure in proper order of intaking of a plurality of type of falling U standpipe 9 are connected with bottom strainer 16.
The groundwater flows to the sump 6 through the filtering water layer 13, the bottom layer water filtering pipe 16, the inverted U-shaped vertical pipe 9 and the water collecting pipe 10 in sequence, the filtering water layer 13 can filter the groundwater, and the bottom layer water filtering pipe 16, the inverted U-shaped vertical pipe 9, the water collecting pipe 10, the water pump 11 and the drain pipe 12 are prevented from being blocked. The groundwater flows to the sump 6 through the drainage layer 13, the bottom layer strainer 16, the inverted U-shaped stand pipe 9 and the water collecting pipe 10 in sequence, is pumped out by the water pump 11 and is discharged through the drain pipe 12.
Example four:
as shown in fig. 8, the difference between the fourth embodiment and the third embodiment is that the water suction pipe is a vertical pipe 14, the water inlet ends of a plurality of straight vertical pipes 14 sequentially penetrate through the bottom plate 2 and the closing plate 1 of the shaft structure to be connected with the water filter pipe 8, one end of the water collection pipe 10 is connected in parallel with the water outlet ends at the top of the plurality of straight vertical pipes 14, the other end of the water collection pipe is arranged in the water collection pit 6, the water collection pipe 10 concentrates the groundwater in each straight vertical pipe 14 to flow into the water collection pit 6, and the water pump 11 drains the groundwater in the water collection pit to the municipal drainage pipe network or other positions through the drainage pipe 12, so as to adjust the water buoyancy force borne by the underground.
The phenomenon that the shaft structure is lifted due to the fact that the shaft structure is too light in weight and the buoyancy of water is too large is avoided. The relationship between the total weight of the self weight and the weight of the shaft structure and the buoyancy of water is as follows;
Gk: the total weight of the dead weight and the ballast weight of the shaft structure, wherein the ballast weight is the weight of objects such as vehicles and the like stopped in the shaft structure;
v: a volume of the wellbore structure;
ρ: the density of the water;
g: acceleration of gravity;
kw: anti-floating stability and safety factor.
The pipe diameter and the number of the inverted U-shaped vertical pipes 9 or the pipe diameter and the number of the water well filter pipes 8 are determined by calculation according to Darcy's law, so that the phenomenon that the weight of a shaft structure is too light, then the water level elevation is too high, underground water does not flow into a water collecting pit, and the whole shaft is jacked up is avoided.
To sum up, the utility model discloses a filter well or filter layer filter the impurity of groundwater, convey the sump pit with groundwater through each pipeline in, secondly discharge groundwater through the water pump again to can balance the water buoyancy that storehouse and garage received, can stabilize moreover, reduce, adjust the water buoyancy that secret commodity circulation storehouse and garage received in the certain limit.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A pit shaft formula underground space of adjustable water buoyancy which characterized in that: comprises a shaft structure and at least one water suction pipe, a sump, a drain pipe and a water pump;
the sump pit set up on pit shaft structure bottom, suction pipe one end run through pit shaft structure bottom, the other end sets up in the sump pit, underground water under the pit shaft structure flows to the sump pit through the suction pipe in, the water pump set up in the sump pit, the delivery port of drain pipe and water pump is connected, the drain pipe is discharged water from the sump pit.
2. The adjustable water buoyancy wellbore subterranean space of claim 1, wherein: still include the collector pipe, the pipe that absorbs water be the type of falling U riser, the top of the type of falling U riser is the position of anti superficial design water level elevation, the pipeline length of the type of falling U riser both sides is different, longer one end is for intaking the end, shorter one end is for going out the water end, the end of intaking of the type of falling U riser run through pit shaft structure bottom, the outlet end of collector pipe one end and a plurality of type of falling U risers parallelly connected, the other end setting is in the sump pit.
3. The adjustable water buoyancy wellbore subterranean space of claim 1, wherein: the water-absorbing pipe is a straight vertical pipe, the top of the straight vertical pipe is at the position of the height of the anti-floating designed water level, the bottom of the straight vertical pipe is a water inlet end, the top of the straight vertical pipe is a water outlet end, one end of the water-collecting pipe is connected with the water outlet ends at the tops of the straight vertical pipes in parallel, and the other end of the water-collecting pipe is arranged in the water-collecting pit.
4. The adjustable water buoyancy wellbore subterranean space of claim 2 or 3, wherein: the water filter is characterized in that at least one water filter well is arranged below the shaft structure, the water suction pipe penetrates through the shaft structure and is connected with the water filter well, and a water inlet at the bottom of the water filter well and the side wall of the water filter well are filled with filter materials.
5. The adjustable water buoyancy wellbore subterranean space of claim 4, wherein: the water-well water filtering pipe is characterized by further comprising a water-well water filtering pipe, wherein one end of the water-well water filtering pipe is arranged in the water filtering well, and the other end of the water-well water filtering pipe is connected with the water suction pipe.
6. The adjustable water buoyancy wellbore subterranean space of claim 2 or 3, wherein: the shaft structure comprises a top plate, a bottom plate, a back cover and a side wall which is enclosed to form the shaft structure, the back cover is arranged below the bottom plate, the top plate is connected with the top of the side wall, the bottom plate is connected with the bottom of the side wall, the water inlet end of the water suction pipe penetrates through the bottom plate and the back cover, and the water collecting pit is arranged on the bottom plate.
7. The adjustable water buoyancy wellbore subterranean space of claim 6, wherein: the relation formula between the total weight of the dead weight and the weight of the shaft structure and the buoyancy of water is as follows:
v: a volume of the wellbore structure;
8. The adjustable water buoyancy wellbore subterranean space of claim 6, wherein: the bottom of the back cover is provided with a water filtering layer, the water filtering layer is internally provided with a bottom layer water filtering pipe, and the water inlet ends of the water suction pipes are respectively connected with the bottom layer water filtering pipe.
9. The adjustable water buoyancy wellbore subterranean space of claim 1, wherein: the cross section of the shaft structure is circular or elliptical or polygonal or the combination of the shapes.
10. The adjustable water buoyancy wellbore subterranean space of claim 1, wherein: and a water level sensor is arranged on the side wall of the water collecting pit and is in signal connection with the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003025.8U CN211285727U (en) | 2019-11-19 | 2019-11-19 | Shaft type underground space capable of adjusting water buoyancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003025.8U CN211285727U (en) | 2019-11-19 | 2019-11-19 | Shaft type underground space capable of adjusting water buoyancy |
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| Publication Number | Publication Date |
|---|---|
| CN211285727U true CN211285727U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922003025.8U Active CN211285727U (en) | 2019-11-19 | 2019-11-19 | Shaft type underground space capable of adjusting water buoyancy |
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| CN (1) | CN211285727U (en) |
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- 2019-11-19 CN CN201922003025.8U patent/CN211285727U/en active Active
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