CN221297940U - Concrete bottom plate plugging structure - Google Patents
Concrete bottom plate plugging structure Download PDFInfo
- Publication number
- CN221297940U CN221297940U CN202323189971.9U CN202323189971U CN221297940U CN 221297940 U CN221297940 U CN 221297940U CN 202323189971 U CN202323189971 U CN 202323189971U CN 221297940 U CN221297940 U CN 221297940U
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- water
- grouting
- pipe
- plugging
- steel pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 239000011440 grout Substances 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 abstract description 17
- 238000001914 filtration Methods 0.000 abstract description 12
- 239000002349 well water Substances 0.000 abstract description 12
- 235000020681 well water Nutrition 0.000 abstract description 12
- 230000000149 penetrating effect Effects 0.000 abstract description 11
- 239000011083 cement mortar Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 10
- 238000003466 welding Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process 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
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a concrete bottom plate plugging structure, which comprises a dewatering well water filtering pipe positioned in a dewatering well and a plugging steel pipe for plugging the dewatering well water filtering pipe, wherein a water stopping assembly is arranged on the plugging steel pipe and comprises a water stopping outer ring arranged on the outer wall of the plugging steel pipe, a steel bar penetrating groove arranged on the water stopping outer ring and a grouting piece arranged on the water stopping outer ring, the grouting piece is used for guiding mud poured from the side edge between the water stopping assembly and the dewatering well water filtering pipe for sealing, and the steel bar penetrating groove is not communicated with the plugging steel pipe. This concrete bottom plate plugging structure adopts the grout spare when carrying out the shutoff for the cement mortar that the side was poured can lead into between stagnant water subassembly and the precipitation well drainage pipe, prevents because the cement mortar that the side was poured can't fill between the innermost of stagnant water subassembly and precipitation well drainage pipe, influences sealed effect, has solved well head stagnant water and waterproof problem.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a concrete bottom plate plugging structure.
Background
With the rapid development of economic construction in China, various public buildings and high-rise residential buildings are increased, deep foundation pit construction is frequently encountered, the plugging of a deep foundation pit dewatering well is a key link of the whole foundation construction, the quality of the waterproof engineering at the position is directly influenced, the plugging of the deep foundation pit dewatering well is a key link of the whole foundation construction, and the deep foundation pit dewatering is basically carried out by adopting a construction method of deep well dewatering in a pit at present. The plugging construction technology of the foundation pit dewatering well is a key point in the whole foundation construction, and directly affects the water stopping effect of the foundation pit dewatering well and the water-proof quality of the foundation slab concrete, thereby affecting the construction of the basement foundation.
Patent number CN 204059380U discloses a deep well precipitation well head sealing device in underground garage foundation ditch, including setting up the precipitation well at foundation ditch middle part, the precipitation well is including the bearing layer of outside, fills the gravel layer between bearing layer and well pipe, sets up the immersible pump in the well pipe, and waterproof layer is laid on the precipitation well head edge, waters again and builds basic raft concrete, and the precipitation well head sets up steel drum formula water stop ring, steel drum formula water stop ring includes stack shell and welds in the inboard and outside of stack shell inner water stop and outer water stop, set up annular steel sheet waterstop on the basic raft. Although the device utilizes the steel cylinder cover on the wellhead, seals the steel sleeve upper shed with the steel sheet, reaches shutoff precipitation wellhead purpose, but the stagnant water structure is comparatively complicated, and the shutoff effect is not good, has the infiltration problem.
The utility model discloses a publication number is CN103556644A, discloses a basement bottom plate dewatering well head shutoff sleeve pipe and construction method, and basement bottom plate dewatering well head shutoff sleeve pipe includes the steel pipe of vertical setting, steel pipe bottom outer circumference welding has the stabilizer ring, steel pipe upper portion outer circumference welding has the water stop ring, steel pipe upper portion outer circumference welding has the ring flange, be equipped with the apron on the ring flange, be equipped with the rubber packing ring between ring flange and the apron. In addition, the casing pipe with double safety measures seals the pipe well, groundwater can be continuously pumped out of the basement until the basement construction is completed, the backfill soil is completed, and the post-pouring zone is completed, so that the effective height of the bottom plate after the sealing is ensured, but the water-stopping steel cylinder is not tightly combined with the pipe well.
Disclosure of utility model
The utility model aims to provide a concrete bottom plate plugging structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concrete bottom plate plugging structure, is including being located the precipitation well drainage pipe to and be used for the shutoff steel pipe of shutoff precipitation well drainage pipe, be provided with the stagnant water subassembly on the shutoff steel pipe, this stagnant water subassembly is worn the groove including the stagnant water outer loop that sets up on the shutoff steel pipe outer wall, the reinforcing bar of seting up on the stagnant water outer loop, and set up the grout spare on the stagnant water outer loop, the grout spare is used for leading in the mud of side income between stagnant water subassembly and the precipitation well drainage pipe, seals, the reinforcing bar is worn the groove and is not link up with the shutoff steel pipe.
Further, the grouting member comprises a grouting inlet formed in the outer side wall of the water stop outer ring, a grouting cavity communicated with the grouting inlet and located in the water stop outer ring, and a grouting outlet formed in one side, close to the drainage pipe of the dewatering well, of the water stop outer ring, wherein the grouting outlet is communicated with the grouting cavity.
Further, the plugging steel pipe is divided into an upper pipeline and a lower pipeline through a water stop outer ring, and a plurality of annular grooves are formed in the outer surface of the upper pipeline along the circumferential direction.
Further, the interval between the connected annular grooves is 1-2cm.
Further, a plurality of grouting holes are formed, and the grouting holes are distributed along the radial direction of the water stop outer ring.
Further, a sealing ring is arranged on the outer wall of the lower pipeline, and the sealing ring is sleeved on the lower pipeline and is contacted with the water stop outer ring.
Further, a water stop wing ring is welded on the outer side of the upper pipeline, and the water stop wing ring is positioned on the outer side of the annular groove.
According to the technical scheme, the utility model has the following beneficial effects:
According to the concrete bottom plate plugging structure, the steel bars are fixed through the steel bar penetrating grooves, and then when slurry filling is carried out, the plugging steel pipes can be ensured to stably fix the drainage pipes of the dewatering wells, and the wellhead is plugged;
When the grouting piece is used for plugging, cement mortar enters the grouting cavity through the grouting inlet hole and is discharged through the grouting outlet hole, so that the cement mortar poured into the side can be led between the water stop component and the dewatering well water filtering pipe, the problem that the sealing effect is affected because the cement mortar poured into the side cannot fill between the water stop component and the innermost part of the dewatering well water filtering pipe is prevented, and the problems of wellhead water stop and water prevention are solved;
The plurality of annular grooves are arranged, the annular grooves are equivalent to a scale, and when the redundant plugging steel pipe is cut after plugging is finished, the length positioning can be performed, so that the cutting is convenient;
The whole device has the advantages of simple plugging structure, low cost and good water stopping effect, and can effectively solve the problem of water stopping and plugging of the dewatering well penetrating through the concrete bottom plate when dewatering is finished.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of a plugged steel pipe according to the utility model;
FIG. 3 is a schematic diagram of the structure of the other end of the plugged steel pipe;
fig. 4 is a schematic view of the overall installation structure of the present utility model.
In the figure: 1. plugging the steel pipe; 110. an upper pipeline; 111. an annular groove; 112. a water stop wing ring; 120. a lower pipeline; 121. a seal ring; 2. dewatering well water filtering pipe; 310. a water stop outer ring; 320. penetrating the steel bar through the groove; 331. grouting into the hole; 332. grouting the cavity; 333. grouting and forming holes.
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model provides a concrete bottom plate plugging structure, which comprises a dewatering well water filtering pipe 2 and a plugging steel pipe 1, wherein the dewatering well water filtering pipe 2 is vertically positioned in the dewatering well, a water stopping component is arranged on the plugging steel pipe 1, the water stopping component comprises a water stopping outer ring 310, a reinforcing steel bar penetrating groove 320 and a grouting piece, the inner wall of the water stopping outer ring 310 is welded with the outer wall of the plugging steel pipe 1, a welding seam is full and cannot have gap cracks, the water stopping outer ring 310 is of a circular ring structure, and the thickness of the water stopping outer ring is 150mm; the steel bar penetrating groove 320 horizontally penetrates through the water stopping outer ring 310 and is not communicated with the plugging steel pipe 1, so that the use of the plugging steel pipe 1 is not affected when the steel bar penetrates through the steel bar penetrating groove, the steel bar is fixed through the steel bar penetrating groove 320, and then when slurry filling is carried out, the plugging steel pipe is ensured to stably fix the dewatering well water filtering pipe 2, and a wellhead is plugged.
The grout spare sets up on stagnant water outer loop 310, specifically, the grout spare includes grout inlet 331, grout cavity 332) and grout outlet 333, grout inlet 331 is seted up on the lateral wall of stagnant water outer loop, grout cavity 332) is located inside the stagnant water outer loop, and be linked together with grout inlet, grout outlet 333 is seted up in the bottom surface of stagnant water outer loop, grout outlet 333 is linked together with grout cavity 332, grout outlet 333 has seted up three, and grout outlet 333 distributes along the radial of stagnant water outer loop, the grout spare is provided with two sets of altogether, with the center pin bilateral symmetry setting of stagnant water outer loop, when shutoff, cement mortar gets into in grout cavity 332 through grout inlet 331, then discharge through grout outlet 333, make the cement mortar that the side was poured into can lead into between stagnant water subassembly and the precipitation well filter, prevent because the cement that the side was poured can't fill between the inside of stagnant water subassembly and precipitation well filter, the sealing effect has been influenced, wellhead stagnant water and waterproof problem has been solved.
The plugging steel pipe 1 is divided into an upper pipeline 110 and a lower pipeline 120 through a water stop outer ring, a plurality of annular grooves 111 are formed in the outer surface of the upper pipeline 110 along the circumferential direction, the interval between the connected annular grooves 111 is 1cm, the annular grooves 111 are equivalent to a scale, and when the redundant plugging steel pipe is cut after plugging is finished, the length positioning is performed, so that the cutting is convenient.
The outer wall of the lower pipeline 120 is provided with a sealing ring 121, the sealing ring 121 is sleeved on the lower pipeline and is contacted with the water stop outer ring, the sealing performance of the plugging steel pipe 1 inserted into the dewatering well water filtering pipe 2 is ensured through the sealing ring, namely, a gap between the plugging steel pipe 1 and the dewatering well water filtering pipe 2 is plugged, the plugging steel pipe 1 is fixed, and the later wellhead plugging is facilitated. The outer side of the upper pipeline 110 is welded with a water stop wing ring 112, the welding seam is full and needs no gap crack, and the water stop wing ring 112 is positioned on the upper side of the annular groove 111, so that the use of the annular groove 111 is not affected by the water stop wing ring 112.
The working procedure is as follows:
S1, adopting hot rolling to manufacture a blocked steel pipe (phi 270mm multiplied by 6 mm) in a seamless manner;
s2, embedding a plugging steel pipe: pouring basement bottom plate cushion layer concrete, cutting off drainage pipes of the dewatering well above the surface of the basement bottom plate cushion layer, and then inserting the plugging steel pipes into the drainage pipes of the dewatering well;
s3, 1:2, cement mortar enters the grouting cavity through the grouting inlet hole and is discharged through the grouting outlet hole, the cement mortar poured into the side edge is led between the water stop component and the innermost part of the dewatering well water filtering pipe, the periphery is rounded, and then a fine stone concrete waterproof protection layer is poured;
s3, penetrating the steel bars through the steel bar penetrating grooves and fixing the steel bars with the side wall of the basement, binding the steel bars on the outer side of the water stop outer ring, winding the water stop outer ring, and fixing the steel bars with the side wall of the basement;
S4, pouring basement bottom plate concrete, enabling a precipitation pump to penetrate through the plugging steel pipe to carry out continuous precipitation, and ending precipitation one by the precipitation well;
S5, plugging the dewatering well: taking out the water-reducing pump, backfilling the bottom of the bottom plate pipe hole by adopting graded sand stone, cutting off the plugging steel pipe from the position 60mm below the top surface of the bottom plate of the basement by utilizing the annular groove, and then pouring concrete to plug the upper part of the plugging steel pipe.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a concrete bottom plate plugging structure, includes dewatering well drainage pipe (2) that are located the dewatering well to and be used for shutoff steel pipe (1) of shutoff dewatering well drainage pipe, a serial communication port, be provided with the stagnant water subassembly on shutoff steel pipe (1), this stagnant water subassembly is including setting up stagnant water outer loop (310) on shutoff steel pipe outer wall, seting up reinforcing bar on the stagnant water outer loop wear groove (320), and set up the grout spare on the stagnant water outer loop, the grout spare is used for leading in the mud of side filling between stagnant water subassembly and the dewatering well drainage pipe, seals, reinforcing bar wear groove (320) and shutoff steel pipe (1) not link up.
2. The concrete floor plugging structure according to claim 1, wherein: the grouting part comprises a grouting inlet (331) formed in the outer side wall of the water stop outer ring, a grouting cavity (332) communicated with the grouting inlet and located in the water stop outer ring, and a grouting outlet (333) formed in one side of the water stop outer ring, close to the drainage pipe of the dewatering well, wherein the grouting outlet (333) is communicated with the grouting cavity (332).
3. The concrete floor plugging structure according to claim 1, wherein: the plugging steel pipe (1) is divided into an upper pipeline (110) and a lower pipeline (120) through a water-stopping outer ring, and a plurality of annular grooves (111) are formed in the outer surface of the upper pipeline (110) along the circumferential direction.
4. A concrete floor plugging structure according to claim 3 wherein: the interval between the annular grooves (111) connected is 1-2cm.
5. A concrete floor plugging structure according to claim 2, wherein: the grouting outlet holes (333) are formed in a plurality of ways, and the grouting outlet holes (333) are distributed along the radial direction of the water stop outer ring.
6. A concrete floor plugging structure according to claim 3 wherein: and a sealing ring (121) is arranged on the outer wall of the lower pipeline (120), and the sealing ring (121) is sleeved on the lower pipeline and is contacted with the water stop outer ring.
7. A concrete floor plugging structure according to claim 3 wherein: the outside of upper pipe (110) welds has stagnant water wing ring (112), stagnant water wing ring (112) are located the outside of annular groove (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323189971.9U CN221297940U (en) | 2023-11-24 | 2023-11-24 | Concrete bottom plate plugging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323189971.9U CN221297940U (en) | 2023-11-24 | 2023-11-24 | Concrete bottom plate plugging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221297940U true CN221297940U (en) | 2024-07-09 |
Family
ID=91741817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323189971.9U Active CN221297940U (en) | 2023-11-24 | 2023-11-24 | Concrete bottom plate plugging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221297940U (en) |
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2023
- 2023-11-24 CN CN202323189971.9U patent/CN221297940U/en active Active
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