CN213867886U - Water guide device for foundation pit construction - Google Patents
Water guide device for foundation pit construction Download PDFInfo
- Publication number
- CN213867886U CN213867886U CN202022677781.1U CN202022677781U CN213867886U CN 213867886 U CN213867886 U CN 213867886U CN 202022677781 U CN202022677781 U CN 202022677781U CN 213867886 U CN213867886 U CN 213867886U
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- water
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- foundation pit
- guide device
- conduit
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 176
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000005086 pumping Methods 0.000 claims abstract description 65
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 abstract description 7
- 230000037431 insertion Effects 0.000 abstract description 7
- 239000003673 groundwater Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The application relates to the field of foundation pit water guide construction, in particular to a water guide device for foundation pit construction, which comprises a water collecting well, a first water pumping device and a guide pipe, wherein a plurality of water filtering holes are formed in the surface of the guide pipe at intervals; the water collecting well comprises a first section and a second section, the first section is arranged above the second section, and the bottom of the second section is the bottom of the water collecting well; the side wall and the bottom of the second section are both permeable layers; the first section is provided with a filter element which is used as the bottom of the first section; the filtering piece is provided with a water outlet which is used for being communicated with the first water pumping device; the first water pumping device is used for pumping out water in the second section; the conduit is connected to an outer wall of the second section, the conduit for insertion into soil and introduction of water into the second section. This application also can have better water guide effect to setting up under the less condition of sump pit quantity, in addition under the great condition of rainfall, also has better water guide effect.
Description
Technical Field
The application relates to the field of foundation pit water guide construction, in particular to a water guide device for foundation pit construction.
Background
At present, when the foundation pit is constructed, water needs to be guided, and a water guide device needs to be used in the water guide process.
The water guide device usually comprises a water collecting well and a water pumping device, and because the bottom of the water collecting well is lower than the horizontal height of the bottom of the foundation pit, underground water can flow into the water collecting well, and the water pumping device is used for pumping water to the water collecting well, so that the underground water around the foundation pit can be effectively reduced, and the foundation pit is stabilized.
In view of the above-mentioned related art, the inventor believes that there is a defect that the water guiding effect is poor when the number of the water collecting wells is small.
SUMMERY OF THE UTILITY MODEL
In order to also have better water guide effect when the less condition of quantity of sump pit, this application provides a water guide device for foundation ditch construction.
The application provides a water guide device for foundation ditch construction adopts following technical scheme:
the utility model provides a water guide device for foundation ditch construction, includes sump pit and first pumping device, its characterized in that: the water filter is characterized by also comprising a conduit, wherein a plurality of water filtering holes are arranged on the surface of the conduit at intervals; the water collecting well comprises a first section and a second section, the first section is arranged above the second section, and the bottom of the second section is the bottom of the water collecting well; the side wall and the bottom of the second section are both permeable layers; the first section is provided with a filter element which is used as the bottom of the first section; the filtering piece is provided with a water outlet which is used for being communicated with the first water pumping device; the first water pumping device is used for pumping out water in the second section; the conduit is connected to an outer wall of the second section, the conduit for insertion into soil and introduction of water into the second section.
Through adopting above-mentioned technical scheme, at the in-process that carries out the water guide to the foundation ditch, through the lateral wall of second section, bottom and pipe increase infiltration area, easily in infiltrating the sump pit with groundwater, this part of water is taken out through first pumping device afterwards. Because the lateral wall and the bottom of second section are the permeable formation, can reduce soil and get into the second section in, reduce the loss of soil. In addition, filter the setting that can reduce because draw water untimely lead to soil to get into in the first section, influence the intensity of sump pit.
Preferably, the conduit is arranged obliquely, and the free end of the conduit is lower than the connecting end of the conduit and the second section.
By adopting the technical scheme, the guide pipe is obliquely arranged, and the arrangement method can introduce slightly deep water into the second section, so that the water is convenient to drain.
Preferably, the free end of the conduit is provided with a tip.
Through adopting above-mentioned technical scheme, the free end of pipe is provided with the pointed end, and the pointed end can reduce the resistance that the pipe received in the soil, changes in the soil outside the pipe insertion second section.
Preferably, the conduit is bolted to the second section.
Through adopting above-mentioned technical scheme, pipe and second section pass through bolted connection, and this kind of connected mode is comparatively convenient, and fixed comparatively firm.
Preferably, the side wall of the first section is provided with a retaining wall, and the retaining wall is a waterproof retaining wall.
Through adopting above-mentioned technical scheme, the lateral wall of first section is provided with waterproof dado, can reduce because the infiltration of first section lateral wall leads to the infiltration volume too big, and waterproof dado can strengthen the intensity of sump pit
Preferably, the filtering piece is a filter screen, and the filter screen is connected with the retaining wall through bolts.
Through adopting above-mentioned technical scheme, filter and choose the filter screen for use, can have better filtering action, reduce soil loss, and when no higher water level in the second section, partial adhesion can drop on the soil of filter screen, reduces the jam of filter screen. The filter screen is connected with the retaining wall bolt, and the mode is more convenient, and joint strength is higher.
Preferably, the guard wall is provided with an annular bulge along the circumferential direction, and the filter screen is abutted against the top surface of the annular bulge; the annular protrusion is provided with a threaded hole, and the filter screen is provided with a corresponding mounting hole so that the bolt penetrates through the mounting hole and is in threaded connection with the threaded hole.
Through adopting above-mentioned technical scheme, at the in-process of installation filter screen, place the filter screen on annular protrusion earlier to make the mounting hole and the screw hole of filter screen aim at, insert the mounting hole with the bolt again, and make bolt and screw hole be connected, in order to accomplish the installation of filter screen.
Preferably, the filter also comprises a second water pumping device, the second water pumping device comprises a second water pumping pipe and a second water pumping pump, and the free end of the second water pumping pipe is arranged above the filter element; the second water suction pump is used for driving the second water suction pipe to pump water.
By adopting the technical scheme, when the underground water quantity is more, the underground water can flow up to the first section. The second pumping device can be taken out the water that is located first section through the second drinking-water pipe and leaves, supplementary first pumping device accelerates pumping speed, and because the setting of filtering piece, the difficult jam of second drinking-water pipe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the guide pipe can improve the collecting effect of the water collecting well on underground water so as to improve the water guiding capacity of a single water collecting well, and the foundation pit also has a good water guiding effect under the condition that fewer water collecting wells are arranged.
2. The tip of the catheter may reduce the resistance to insertion of the catheter into the soil, making insertion of the catheter into the soil easier.
3. When the underground water quantity is more or the rainfall is more, the second water pumping device can accelerate the water pumping speed, and the situation that the accumulated water escapes from the water collecting well and leaks in the foundation pit is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a water guide device for foundation pit construction according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a water guide device for foundation pit construction according to another embodiment of the present invention (conduit position change).
Description of reference numerals: 1. a water collecting well; 11. a first stage; 111. protecting the wall; 112. a filter member; 113. an annular projection; 12. a second stage; 121. a permeable layer; 2. a conduit; 21. water filtering holes; 22. a tip; 3. a first water pumping device; 31. a first pumping pipe; 32. a first water pump; 4. a second water pumping device; 41. a second pumping pipe; 42. and a second water pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a water guide device for foundation ditch construction. Referring to fig. 1, the water guide device includes a water collecting well 1 and a first water pumping device 3, the water collecting well 1 concentrates groundwater, and then the first water pumping device 3 is used to pump away the accumulated water in the water collecting well 1, so as to complete water guide.
In particular, the sump 1 comprises a first section 11 and a second section 12, the first section 11 being arranged above the second section 12. The side wall of the first section 11 may be provided with a retaining wall 111, and the retaining wall 111 is a waterproof retaining wall 111, that is, a layer of cement is coated or sprayed on the side wall of the first section 11, and a waterproof coating is coated, so that it is reduced that groundwater gushes into the water collecting well 1 from the first section 11 due to too much groundwater, and the accumulated water in the water collecting well 1 is not easily pumped out by the first pumping device 3. The bottom of the first section 11 is provided with a filter element 112. in this embodiment, the filter element 112 is a screen which separates dirt from water. In addition, the filter member 112 may be made of geotextile. In order to facilitate the installation of the filter screen at the bottom of the first section 11 and to facilitate the replacement of the filter screen, the filter screen is in threaded connection with the side wall of the first section 11. Specifically, the retaining wall 111 is provided with an annular protrusion 113 along the circumferential direction, the annular protrusion 113 may be made of cement or a steel plate, and the annular protrusion 113 and the retaining wall 111 may be connected by cement or a bolt. The annular protrusion 113 is provided with a plurality of threaded holes, and the number of the threaded holes can be multiple, and the plurality of threaded holes are arranged at intervals. Correspondingly, the filter screen is provided with corresponding mounting holes. When the filter screen is installed, the edge of the filter screen abuts against the top surface of the annular protrusion 113, and then the bolt is threaded through the mounting hole to be connected with the threaded hole. The filter element 112 may be configured to facilitate separation of the first section 11 from the second section 12 to reduce the ingress of mud into the first section 11.
The bottom of the second section 12 is the bottom of the sump well 1, and both the side walls and the bottom of the second section 12 are permeable layers 121, which may be sand layers, which may facilitate the penetration.
In order to allow water around the water collecting well 1 to penetrate into the water collecting well 1, the water guiding device further comprises a conduit 2, and the conduit 2 is mounted on the outer wall of the second section 12, for example, by using bolts, screws, etc. The conduit 2 is used for insertion into the soil and introduction of water into the second section 12.
The surface of the conduit 2 is provided with a plurality of water filtering holes 21 at intervals, and the water filtering holes 21 are provided with geotextile which can prevent soil from entering the conduit 2 from the water filtering holes 21 to cause the blockage of the conduit 2. The free end of the catheter 2 may be provided with a tip 22 and the tip 22 may be a conical, metal tip 22 to reduce the resistance of the soil to the catheter 2 during insertion of the catheter 2. The tip 22 is integrally formed with the catheter 2. The conduit 2 may be arranged horizontally in relation to the well 1, i.e. the length direction of the conduit 2 is perpendicular to the depth direction of the well 1, or the conduit 2 may be arranged obliquely in relation to the well 1 as shown in fig. 2, and the free end of the conduit 2 is lower than the connecting end of the conduit 2 and the second section 12 for leading water deep into the second section 12.
The first pumping device 3 is used for pumping water to the water collection well 1, and may include a first pumping pipe 31 and a first pumping pump 32, and the first pumping pump 32 provides power so that the first pumping pipe 31 pumps the accumulated water from the water collection well 1. In this embodiment, the first water pumping device 3 can pump out the water in the second section 12. Namely, the first pumping pipe 31 is located in the second segment 12, and the free end of the first pumping pipe 31 is provided with a mud filter. In order to facilitate the installation of the first water pumping pipe 31, the filtering member 112 is provided with a water outlet hole, the water outlet hole is used for communicating with the first water pumping device 3, and a sealing member may be arranged at the joint of the water outlet hole and the first water pumping device. It should be noted here that the first water pumping pipe 31 has a certain gap with the bottom of the second section 12, so as to facilitate water pumping, and in addition, when the accumulated water is not much, water pumping may not be performed, so as to reduce water loss and soil erosion.
However, when the water seepage amount is too much, the first water pumping device 3 pumps water too slowly, and the second water pumping device 4 can be arranged to pump water more quickly. Specifically, the second pumping device 4 may include a second pumping pipe 41 and a second pumping pump 42, and the second pumping pump 42 is used for driving the second pumping pipe 41 to pump water. The free end of the second suction pipe 41 is fitted with a mud screen and the free end of the second suction pipe 41 is located above the filter element 112 to extract the accumulated water in the first section 11. Besides, a plurality of second water pumping devices 4 can be additionally arranged according to actual requirements for water drainage. In this case, the filter member 112 can filter a large amount of silt to reduce the occurrence of clogging of the second pumping duct 41 with silt. In addition, after the accumulated water is pumped out, part of silt accumulated in the filter element 112 can also fall under the action of gravity, so that the service life of the filter element 112 is prolonged.
The implementation principle of the water guide device for foundation pit construction in the embodiment of the application is as follows: in the process of conducting water guiding on the foundation pit, the water collecting well 1 is dug firstly, the water collecting well 1 is provided with a first section 11 and a second section 12, the second section 12 is provided with a water seepage layer, and underground water can be introduced into the water collecting well 1. In case of a small number of the water collecting wells 1, the side wall of the second section 12 of the water collecting well 1 may be provided with a guide pipe 2, and the guide pipe 2 may be used for water seepage through its seepage holes and guiding groundwater into the water collecting well 1. The water entering the water collecting well 1 is pumped out through the first water pumping device 3, and if the underground water is too much or the rainfall is too much, and the first section 11 has a large amount of accumulated water, the second water pumping device 4 can be added to pump water in the first section 11, so that the water pumping effect is enhanced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a water guide device for foundation ditch construction, includes sump pit (1) and first pumping device (3), its characterized in that: the water filter is characterized by also comprising a conduit (2), wherein a plurality of water filtering holes (21) are formed in the surface of the conduit (2) at intervals;
the water collecting well (1) comprises a first section (11) and a second section (12), the first section (11) is arranged above the second section (12), and the bottom of the second section (12) is the bottom of the water collecting well (1);
the side wall and the bottom of the second section (12) are both permeable layers (121);
the first section (11) is provided with a filter element (112), and the filter element (112) is used as the bottom of the first section (11);
the filtering piece (112) is provided with a water outlet which is used for being communicated with the first water pumping device (3);
the first water pumping device (3) is used for pumping out water in the second section (12);
the conduit (2) is connected to the outer wall of the second section (12), the conduit (2) being intended to be inserted into the soil and to introduce water into the second section (12).
2. The water guide device for foundation pit construction according to claim 1, wherein: the guide pipe (2) is obliquely arranged, and the free end of the guide pipe (2) is lower than the connecting end of the guide pipe (2) and the second section (12).
3. The water guide device for foundation pit construction according to claim 2, wherein: the free end of the catheter (2) is provided with a tip (22).
4. The water guide device for foundation pit construction according to claim 3, wherein: the conduit (2) is connected to the second section (12) by means of bolts.
5. The water guide device for foundation pit construction according to any one of claims 1 to 4, wherein: the side wall of the first section (11) is provided with a protective wall (111), and the protective wall (111) is a waterproof protective wall (111).
6. The water guide device for foundation pit construction according to claim 5, wherein: the filtering piece (112) is a filter screen, and the filter screen is connected with the protective wall (111) through bolts.
7. The water guide device for foundation pit construction according to claim 6, wherein: the protective wall (111) is provided with an annular bulge (113) along the circumferential direction, and the filter screen is abutted against the top surface of the annular bulge (113);
the annular bulge (113) is provided with a threaded hole, and the filter screen is provided with a corresponding mounting hole so that the bolt penetrates through the mounting hole and is in threaded connection with the threaded hole.
8. The water guide device for foundation pit construction according to claim 5, wherein: the water guide device further comprises a second water pumping device (4), the second water pumping device (4) comprises a second water pumping pipe (41) and a second water pumping pump (42), and the free end of the second water pumping pipe (41) is arranged above the filtering piece (112);
the second water suction pump (42) is used for driving the second water suction pipe (41) to pump water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677781.1U CN213867886U (en) | 2020-11-18 | 2020-11-18 | Water guide device for foundation pit construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677781.1U CN213867886U (en) | 2020-11-18 | 2020-11-18 | Water guide device for foundation pit construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213867886U true CN213867886U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022677781.1U Expired - Fee Related CN213867886U (en) | 2020-11-18 | 2020-11-18 | Water guide device for foundation pit construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213867886U (en) |
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2020
- 2020-11-18 CN CN202022677781.1U patent/CN213867886U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |