CN213805457U - Non-penetrating local precipitation construction structure - Google Patents
Non-penetrating local precipitation construction structure Download PDFInfo
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- CN213805457U CN213805457U CN202022549136.1U CN202022549136U CN213805457U CN 213805457 U CN213805457 U CN 213805457U CN 202022549136 U CN202022549136 U CN 202022549136U CN 213805457 U CN213805457 U CN 213805457U
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- fixedly arranged
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- outer sleeve
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- 238000001556 precipitation Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000001914 filtration Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 abstract description 6
- 238000001764 infiltration Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 2
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Abstract
The utility model discloses a local dewatering construction structures of non-penetrating, including the foundation ditch, the fixed bed course that is provided with in foundation ditch bottom, the fixed waterproof layer that is provided with in bed course upper end, the nearly fixed foundation ditch upper end that extends to in waterproof layer both ends, the fixed foundation slab that is provided with in waterproof layer upper end, the pit has been seted up to the inside fixed sump pit in foundation ditch bottom, the inside fixed outer tube that is provided with of sump pit, the inside internal downcomer that is provided with of outer tube, the fixed immersible pump that is provided with in internal downcomer bottom, the output fixedly connected with drain pipe of immersible pump. The utility model discloses a local precipitation construction structures of non-penetrating, simple structure, convenient operation, low in manufacturing cost, the suitability is strong, and drainage speed is fast, and work efficiency is high, has not only solved the problem of easy ponding when deep basal pit is under construction, has solved the influence of deep basal pit infiltration to waterproof construction moreover, and the effect is showing.
Description
Technical Field
The utility model relates to a local precipitation construction technical field of non-penetrating especially relates to a local precipitation construction structures of non-penetrating.
Background
Along with the development of urban high-rise buildings, deep foundation pit engineering is more and more, the treatment of underground water becomes the key in the construction process, in the areas with high underground water level, large thickness of confined aquifers and rich water quantity, when underground engineering is constructed, because an elevator shaft and a water collecting well are 2-3m lower than the building foundation, the depth of a precipitation well must be increased, so that the precipitation cost is increased, in order to ensure that the internal energy of the foundation pit can be constructed under a dry condition, the foundation pit is provided with precipitation and drainage measures, which is the key for ensuring the engineering quality of the basement, so that the precipitation wells can be independently arranged in the elevator shaft and the water collecting pit, and the purpose of precipitation is achieved by pumping water.
Traditional precipitation structure generally sets up the sand well and carries out precipitation, the setting of sand well is more complicated, the cost is higher, and the setting depth ratio of sand well is darker, to the place that sand content is high, because the sand texture is looser, heavy equipment is difficult to get into, excavate on the sand ground, easy collapse has, the material transports the difficulty, the technical difficulty such as the efficiency of construction is low, it is darker than peripheral basic pit in the local darker region of foundation ditch such as elevartor shaft and sump pit, so can meet groundwater when excavating local pit, need carry out the precipitation and handle, and because the loose characteristic of sand, collapse and drift sand appear easily when carrying out the precipitation and handle, influence work efficiency, so provide a simple structure, can effectively reduce the water level in the precipitation well fast, guarantee the safe local precipitation structure of non-penetrating type of construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a non-penetrating local precipitation construction structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a non-penetrating local precipitation construction structure comprises a foundation pit, wherein a cushion layer is fixedly arranged at the bottom of the foundation pit, the upper end of the cushion layer is fixedly provided with a waterproof layer, the two ends of the waterproof layer are fixedly extended to the upper end of the foundation pit, a foundation slab is fixedly arranged at the upper end of the waterproof layer, a water collecting pit is fixedly arranged in the bottom end of the foundation pit, an outer sleeve is fixedly arranged inside the water collecting pit, an inner downcomer is fixedly arranged inside the outer sleeve, the bottom of the inner downcomer is fixedly provided with a submersible pump, the output end of the submersible pump is fixedly connected with a drain pipe, one end of the drain pipe, which is far away from the submersible pump, extends out of the inner downcomer and extends to the outside of the foundation pit, one end of the inner downcomer, which extends out of the outer sleeve, is fixedly connected with a flange plate, the flange plate is characterized in that a blind flange is fixedly arranged at the upper end of the flange plate, and the blind flange is tightly connected with the flange plate through a connecting bolt.
As a further description of the above technical solution:
and sand filter materials are fixedly arranged between the water collecting pit and the outer sleeve pipe and between the outer sleeve pipe and the inner downcomer pipe.
As a further description of the above technical solution:
and the lower ends of the outer sleeve and the inner downcomer are fixedly provided with a plurality of water permeable holes.
As a further description of the above technical solution:
and a water filtering layer is fixedly arranged at the lower end of the outer sleeve outside the water permeable hole.
As a further description of the above technical solution:
the ring flange upper end is provided with the annular groove, the inside fixed stagnant water packing ring that is provided with of annular groove.
As a further description of the above technical solution:
and the bottoms of the outer sleeve and the inner downcomer are welded and sealed by using steel plates.
The utility model discloses following beneficial effect has:
the utility model provides a local precipitation construction structures of non-penetrating type, through setting up outer tube and interior downcomer to set up the sandstone filtration material and seep water outside the outer tube and between the interior downcomer, infiltration efficiency is higher, can seep water by the continuation, through setting up the water filtering layer at the outer tube outer wall, can filter the infiltration, and hold back native granule, fine sand, little stone material etc. thereby avoid getting into the downcomer and block up the immersible pump and lead to the precipitation well inefficacy, have more outstanding filtration, the drainage, the isolation is used.
The utility model provides a pair of local dewatering construction structures of non-penetrating uses the infiltration of immersible pump in with the downcomer to pass through outside the drain pipe discharge foundation ditch, makes the foundation ditch internal energy under the dry condition construction, has effectively guaranteed the quality of basement engineering, and this dewatering structure drainage is fast, and work efficiency is high, has not only solved the problem of easy ponding when deep basal pit is under construction, has solved the influence of deep basal pit infiltration to water-proof construction moreover, and the effect is showing.
The utility model provides a pair of local rainfall construction structures of non-penetrating type, through including downcomer upper end set up the ring flange, can cooperate with blind flange after the precipitation construction is accomplished, the shutoff well head uses, adopts flange shutoff well head structure simpler, and is sealed effectual, and the connection reliability is high, sets up the stagnant water packing ring simultaneously on the fitting surface of ring flange and blind flange, has further increased well head shutoff structure's leakproofness.
Drawings
Fig. 1 is a front sectional view of a non-penetrating local precipitation construction structure provided by the present invention;
FIG. 2 is an enlarged view of FIG. 1-A according to the present invention;
fig. 3 is the utility model provides a ring flange connection schematic diagram of local precipitation construction structures of non-penetrating type.
Illustration of the drawings:
1. a foundation pit; 2. a sump; 3. a cushion layer; 4. a waterproof layer; 5. a foundation slab; 6. an outer sleeve; 7. An inner downcomer; 8. a sand filter material; 9. a flange plate; 10. a drain pipe; 11. filtering a water layer; 12. water permeable holes; 13. a submersible pump; 14. an annular groove; 15. a water stop gasket; 16. a blind flange; 17. and connecting the bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a local dewatering construction structures of non-penetrating, including foundation ditch 1, 1 fixed bed course 3 that is provided with in bottom of foundation ditch, 3 fixed waterproof layers 4 that are provided with in upper end of bed course, the nearly fixed extension in waterproof layer 4 both ends is to 1 upper end of foundation ditch, the fixed foundation slab 5 that is provided with in waterproof layer 4 upper end, 1 bottom internal fixation of foundation ditch has seted up sump pit 2, 2 internal fixation of sump pit is provided with outer tube 6, interior downcomer 7 of the internal fixation of outer tube 6 is provided with, the fixed immersible pump 13 that is provided with in 7 bottoms of interior downcomer, immersible pump 13's output fixedly connected with drain pipe 10, the one end that immersible pump 13 was kept away from to drain pipe 10 stretches out interior downcomer 7 and extends to foundation ditch 1 outside, interior downcomer 7 stretches out the one end fixedly connected with ring flange 9 of outer tube 6, the fixed blind flange 16 that is provided with in ring flange 9 upper end, through connecting bolt 17 fastening connection between blind flange 16 and the ring flange 9.
All fixed sandstone filtration material 8 that is provided with between sump pit 2 and outer tube 6 and interior downcomer 7, a plurality of holes 12 of permeating water have all been fixed to have seted up to outer tube 6 and interior downcomer 7 lower extreme, and the outer tube 6 lower extreme is fixed in the hole 12 outside of permeating water and is provided with water filtration layer 11, and ring flange 9 upper end is provided with annular groove 14, and annular groove 14 is inside fixed to be provided with stagnant water packing ring 15, and outer tube 6 and interior downcomer 7 bottom all use the steel sheet to carry out welded seal.
The working principle is as follows: when the non-penetrating local precipitation construction structure is used, water in a foundation pit 1 firstly passes through the water seepage filtering action of the sandstone filtration material 8, then enters the inner sleeve 6 through the filtering interception action of the filtering water layer 11, then enters the inner precipitation pipe 7 through the water seepage holes 12, and then enters the inner precipitation pipe 7 through the water seepage action of the sandstone filtration material 8, two layers of sandstone filtration materials 8 are arranged to effectively seep water, the water seepage effect is more obvious, the seeped water in the inner precipitation pipe 7 is discharged out of the foundation pit 1 through the suction action of the submersible pump 13 through the drain pipe 10, so that the precipitation in the foundation pit 1 is realized, the construction can be carried out under a dry condition in the foundation pit 1, the quality of basement engineering is effectively ensured, the flange plate 9 can be matched with the blind flange 16 after the precipitation construction is finished, the flange plate is used for plugging a well mouth, the flange plugging structure is simpler, the sealing effect is good, the connection reliability is high, and meanwhile, the water stop gasket 15 is arranged on the matching surface of the flange plate 9 and the blind flange 16, the leakproofness of well head block structure has further been increased, this local precipitation construction structures of non-penetrating simple structure, convenient operation, low in manufacturing cost, the suitability is strong, the drainage is fast, work efficiency is high, has not only solved the problem of easy ponding when foundation ditch 1 is under construction, has solved the influence of foundation ditch 1 infiltration to waterproof construction moreover, and the effect is showing.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a local precipitation construction structures of non-penetrating, includes foundation ditch (1), its characterized in that: the foundation pit is characterized in that a cushion layer (3) is fixedly arranged at the bottom of the foundation pit (1), a waterproof layer (4) is fixedly arranged at the upper end of the cushion layer (3), the two ends of the waterproof layer (4) are nearly fixedly extended to the upper end of the foundation pit (1), a base plate (5) is fixedly arranged at the upper end of the waterproof layer (4), a water collecting pit (2) is fixedly arranged in the bottom end of the foundation pit (1), an outer sleeve (6) is fixedly arranged in the water collecting pit (2), an inner downcomer (7) is fixedly arranged in the outer sleeve (6), a submersible pump (13) is fixedly arranged at the bottom of the inner downcomer (7), a drain pipe (10) is fixedly connected with the output end of the submersible pump (13), one end, far away from the submersible pump (13), of the drain pipe (10) extends out of the inner downcomer (7) and extends out of the foundation pit (1), and one end, extending out of the outer sleeve (6), of the inner downcomer (7) is fixedly connected with a flange (9), the flange plate is characterized in that a blind flange (16) is fixedly arranged at the upper end of the flange plate (9), and the blind flange (16) is fixedly connected with the flange plate (9) through a connecting bolt (17).
2. The non-penetrating local precipitation construction structure of claim 1, wherein: and sand filter materials (8) are fixedly arranged between the water collecting pit (2) and the outer sleeve (6) and between the outer sleeve (6) and the inner downcomer (7).
3. The non-penetrating local precipitation construction structure of claim 1, wherein: the lower ends of the outer sleeve (6) and the inner downcomer (7) are fixedly provided with a plurality of water permeable holes (12).
4. The non-penetrating local precipitation construction structure of claim 1, wherein: and a water filtering layer (11) is fixedly arranged at the lower end of the outer sleeve (6) outside the water permeable hole (12).
5. The non-penetrating local precipitation construction structure of claim 1, wherein: an annular groove (14) is formed in the upper end of the flange plate (9), and a water stop gasket (15) is fixedly arranged inside the annular groove (14).
6. The non-penetrating local precipitation construction structure of claim 1, wherein: and the bottoms of the outer sleeve (6) and the inner downcomer (7) are welded and sealed by steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022549136.1U CN213805457U (en) | 2020-11-06 | 2020-11-06 | Non-penetrating local precipitation construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022549136.1U CN213805457U (en) | 2020-11-06 | 2020-11-06 | Non-penetrating local precipitation construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213805457U true CN213805457U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022549136.1U Expired - Fee Related CN213805457U (en) | 2020-11-06 | 2020-11-06 | Non-penetrating local precipitation construction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213805457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108669A (en) * | 2021-12-02 | 2022-03-01 | 山东威如建设工程有限公司 | Civil engineering is with large-scale foundation ditch prevention of seepage water system |
-
2020
- 2020-11-06 CN CN202022549136.1U patent/CN213805457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108669A (en) * | 2021-12-02 | 2022-03-01 | 山东威如建设工程有限公司 | Civil engineering is with large-scale foundation ditch prevention of seepage water system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |