CN208604486U - Protective device for local uninterrupted precipitation of foundation pit - Google Patents
Protective device for local uninterrupted precipitation of foundation pit Download PDFInfo
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- CN208604486U CN208604486U CN201820647615.7U CN201820647615U CN208604486U CN 208604486 U CN208604486 U CN 208604486U CN 201820647615 U CN201820647615 U CN 201820647615U CN 208604486 U CN208604486 U CN 208604486U
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- steel ring
- cylinder
- foundation pit
- protective device
- sealing plate
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- 238000001556 precipitation Methods 0.000 title claims abstract description 36
- 230000001681 protective effect Effects 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 26
- 238000010276 construction Methods 0.000 abstract description 15
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001012 protector Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 239000003673 groundwater Substances 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000004927 clay Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a protective device for the local uninterrupted precipitation of a foundation pit, which comprises a cylinder body and a sealing plate, wherein the sealing plate is arranged inside the cylinder body; the device is characterized in that the protection device comprises an outer steel ring, an inner steel ring and a water stop ring, the outer steel ring is welded on the outer side of the barrel, and the inner steel ring is welded on the inner side of the barrel; the water stop ring is arranged on the outer side of the cylinder body and is positioned on the same horizontal plane with the bottom surface of the inner steel ring; the sealing plate is tightly attached to the top of the inner steel ring and provided with two process holes, and ball valves are arranged on the process holes. The technical scheme provided by the utility model, its structure is reasonable, the inner steel ring that sets up can bear the shrouding, outer steel ring and peripheral bottom plate link as an organic whole through the concrete in order to resist the buoyancy effect of water when sealing the well, prevent effectively that lateral pressure from to the influence of protector when outside bottom plate concrete placement, guarantee the safety of the local incessant precipitation construction of foundation ditch; the ball valve realizes uninterrupted precipitation in the well sealing process, and the success rate of foundation pit well sealing is ensured.
Description
Technical field
The utility model belongs to construction engineering technical field, is related to a kind of protection dress for the uninterrupted precipitation in foundation pit part
It sets.
Background technique
Foundation pit is the heatable adobe sleeping platform excavated in basic engineering position according to substrate absolute altitude and basic plane size.Architectural engineering exists
Need to give precipitation when excavation of foundation pit, when if level of ground water is higher and substrate table height is under level of ground water to guarantee subsequent apply
Work.In Building Construction, building foundation pit hole bottom is frequently encountered after the completion of large-area precipitation, elevator even depth
It is cheated in deeper hole still under level of ground water, this part engineering construction period is short, if still set around original foundation pit
The scheme for setting multiple catch pits will definitely increase construction cost, extend construction period.
For the precipitation cheated in local rich water hole, due to cheating general depth in such hole compared with deep and area is little, usually adopt
Local large diameter tube well is taken to carry out precipitation.Since well location is within the scope of bottom plate, in subsequent waterproof slab, reinforcing bar binding, coagulation
Soil, which pours, often interferes precipitation in equal process, and water level rising certainly will influence bed course, waterproof after Breakrainfall
And floor structure quality, especially finally the shut-in well stage causes to seal often due to water level rising seriously affects floor structure quality
Well failure.
Therefore, it needs to design a kind of protective device for the uninterrupted precipitation in foundation pit part, solve.
Utility model content
The purpose of this utility model is that in view of the above technical problems, what is provided is a kind of for the uninterrupted precipitation in foundation pit part
Protective device, it is structurally reasonable, the interior steel ring of setting can support sealing plate, outer rim and peripheral bottom plate are linked as one by concrete
The buoyancy of water when body is to resist shut-in well, shadow of the lateral pressure to protective device when effectivelying prevent outermost side floor panels concreting
It rings, guarantees the safety of the uninterrupted dewatering construction in foundation pit part；Ball valve realizes uninterrupted precipitation in shut-in procedures, ensure that foundation pit
The success rate of shut-in well.
In order to solve the above technical problems, a kind of protection dress for the uninterrupted precipitation in foundation pit part provided by the utility model
It sets comprising the inside of cylinder is arranged in cylinder and sealing plate, sealing plate；The protective device further includes outer rim, interior steel ring and stops
Water ring, outer rim are welded on the outside of cylinder, and interior steel ring is welded on the inside of cylinder；The outside of cylinder is arranged in seal ring,
It is located in same level with the bottom surface of interior steel ring；The sealing plate is close to the top setting of interior steel ring.
In some embodiments, the section of the cylinder is rectangular, and the upper position of cylinder, institute is arranged in the outer rim
State the lower position that cylinder is arranged in interior steel ring.
In some embodiments, the outer rim is arranged at the top 1/3 away from cylinder, and the interior steel ring is arranged away from cylinder
At the bottom 1/3 of body.
In some embodiments, the outer rim and interior steel ring are one kind of angle steel, square steel or channel steel.
In some embodiments, the sealing plate is blind plate, and the shape of shape and cylinder matches.
In some embodiments, setting is equipped with ball valve, technique on each fabrication hole there are two fabrication hole on the sealing plate
Aperture is consistent with the internal diameter of ball valve, and the shape of the sealing plate and the shape of cylinder match.
The utility model the utility model has the advantages that
A kind of protective device for the uninterrupted precipitation in foundation pit part provided by the utility model, structurally reasonable, setting
Interior steel ring can support sealing plate, outer rim and peripheral bottom plate are linked together the buoyancy work of water when resisting shut-in well by concrete
With influence of the lateral pressure to protective device when effectivelying prevent outermost side floor panels concreting guarantees the uninterrupted drop in foundation pit part
The safety of water construction；Ball valve realizes uninterrupted precipitation in shut-in procedures, ensure that the success rate of foundation pit shut-in well.
Detailed description of the invention
It will be apparent and more hold by made detailed description, the above-mentioned advantage of the utility model in conjunction with the following drawings
Readily understood, these attached drawings are only schematical, are not intended to limit the utility model, in which:
Fig. 1 is a kind of structural schematic diagram of protective device for the uninterrupted precipitation in foundation pit part described in the utility model；
Fig. 2 is the perspective view (no sealing plate) of Fig. 1；
Fig. 3 is schematic diagram of the utility model in the uninterrupted dewatering construction embodiment in foundation pit part；
Fig. 4 is shut-in well schematic diagram when Water Level in Foundation Pit goes up too fast in Fig. 3；
Fig. 5 is shut-in well schematic diagram when Water Level in Foundation Pit goes up unhappy in Fig. 3；
Fig. 6 is the process that the protective device described in the utility model for the uninterrupted precipitation in foundation pit part carries out foundation pit shut-in well
Figure.
In attached drawing, component representated by each label is as follows:
1. cylinder；2. sealing plate；3. outer rim；4. interior steel ring；5. seal ring；6. deep well pump；7. well casing；8. grain of rice stone；9.
Clay particle；10. power supply line；11. ball valve.
Specific embodiment
Fig. 1 to Fig. 6 is the accompanying drawings of the herein described protective device for the uninterrupted precipitation in foundation pit part, below
With specific embodiments and the drawings, the protective device for the uninterrupted precipitation in foundation pit part a kind of to the utility model carry out detailed
Explanation.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, be it is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art can also be public based on the claim of this application book and specification institute
For the content opened using obvious other technical solutions, these technical solutions include using doing to the embodiment recorded herein
The technical solution of any obvious substitutions and modifications out.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section
Shape and its correlation.It note that for the ease of clearly showing the structure of each component of the utility model embodiment, respectively
It is not drawn according to identical ratio between attached drawing.Identical reference marker is for indicating identical part.
A kind of structural schematic diagram of the protective device for the uninterrupted precipitation in foundation pit part, as shown in Figure 1, it is specifically included
The inside of cylinder 1 is arranged in cylinder 1 and sealing plate 2, sealing plate 2；The protective device further includes outer rim 3, interior steel ring 4 and seal ring
5, outer rim 3 is welded on the outside of cylinder 1, and interior steel ring 4 is welded on the inside of cylinder 1；The outside of cylinder 1 is arranged in seal ring 5,
The bottom surface of itself and interior steel ring 4 is located in same level；The sealing plate 2 is close to the top setting of interior steel ring 4.
In the application, interior steel ring 4 has the function of sealing, while outer rim 3 for the sealing plate 2 inside support, outer rim 3
It is linked together with peripheral bottom plate by concrete, influence of the buoyancy of water to protective device when being effective against shut-in well, it is ensured that construction
Go on smoothly；When the technical solution that the application illustrates can effectively prevent outermost side floor panels concreting, lateral pressure is to anti-
The influence of protection unit, it is ensured that the safety of construction.
In some embodiments, the section of the cylinder 1 is rectangular, and the upper bit of cylinder 1 is arranged in the outer rim 3
It sets, the lower position of cylinder 1 is arranged in the interior steel ring 4.Rectangular cylinder is easy to process, can reduce material loss, convenient for hole
Mouth reinforcement reinforcement.
Fig. 2 is the perspective view for the protective device of the uninterrupted precipitation in foundation pit part, and the outer rim 3 is arranged away from cylinder
At 1 top 1/3, the interior steel ring 4 is arranged at the bottom 1/3 away from cylinder 1.
The outer rim 3 and interior steel ring 4 are one kind of angle steel, square steel or channel steel.In the embodiment shown in Figure 2, steel ring 3
And interior steel ring 4 is channel steel, and 40mm × 40mm × 2mm channel steel and cylinder 1 is used to weld.
When carrying out shut-in well operation, if the water level inside foundation pit goes up unhappy, the sealing plate 2 can choose blind plate,
Its shape and the shape of cylinder 1 match, as shown in Figure 5；If the water level inside foundation pit goes up too fast, needed on the sealing plate 2
It is provided with fabrication hole, shape and the shape of cylinder 1 match, and fabrication hole is for connecting water pump and power supply, to grasp in shut-in well
As when continue to construct, as shown in Figure 4.
Foundation pit shut-in well construction, tool are carried out using the protective device for being used for the uninterrupted precipitation in foundation pit part shown in the application
Body the following steps are included:
S1 lays well casing 7 using drill bit drilling well, and the lower part in 7 outside of well casing is filled using grain of rice stone 8,7 outside of well casing
It is filled using clay particle 9 on top；
S2 is drawn water using deep well pump 6, Water Level in Foundation Pit is made to be down to designed elevation, and bed course and well casing 7 are poured and be integrated；
S3, after the completion of bed course, installation on it for the uninterrupted precipitation in foundation pit part protective device and complete waterproof guarantor
Sheath pours；
S4 carries out reinforcing bar reinforcement in protective device surrounding, completes floor structure reinforcing bar and bind and complete pouring for bottom plate；
S5, the inside of protective device is arranged in using sealing plate 2, and pump power line 10 passes through the ball on the fabrication hole of sealing plate 2
Valve 11, the hose that deep well pump 6 passes through on the ball valve 11 being arranged on the fabrication hole of sealing plate 2 continue to extract the water in foundation pit；At this time
Sealing plate 2 and 1 four side of cylinder can be fully welded, after checking that welding quality is water-tight, close two ball valves 11, complete closing；
S6 fills the high grade slightly expanded concrete in gap on sealing plate 2, completes shut-in well.
Above-mentioned construction procedure is directed to rich groundwater, uninterrupted precipitation operating condition, and the method for foundation pit shut-in well can be protected effectively
The effect for demonstrate,proving shut-in well guarantees the quality of construction.
A kind of protective device concrete operation step for the uninterrupted precipitation in foundation pit part is illustrated below with reference to Fig. 3:
Firstly, using drill bit drilling well, well depth from 4 to 5 meters below most deep basal pit bottom, the material of well casing 7 be water permeable concrete pipe or
The pvc pipe of lower boreholes puts down well casing 7 immediately after the completion of drilling, pipe outer lower portion is filled out with grain of rice stone 8, and top puts into clay particle
9；
Then, it is drawn water using deep well pump 6, drawing water through certain time after water level decreasing, is excavated to designed elevation, will pad
Layer is poured with well casing 7 to be linked together, and water-filtering well tube is cut to more slightly higher than bed course；In the embodiment shown in fig. 3, the pumping used
Wetting system is from the bottom to top successively are as follows: deep well pump 6, galvanized pipe, loose joint, outer silk short tube, ball valve, nipple, plastic flexible pipe.
After the completion of bed course, that is, protective device is put down, surrounding waterproof layer is rolled up to the bottom of seal ring 5, and waterproof protective layer is completed
It pours；
Then, reinforcing bar reinforcement is carried out in casing surrounding by specification, completes the binding of floor structure reinforcing bar；
Then, pouring for bottom plate is carried out；
Then, shut-in well construction is carried out.According to project progress, generally completes 1 month in bottom plate or sealed after the longer time
Well.Different processing modes is selected for the different situations of underground water at this time:
If groundwater run off is little, water pump can directly being extracted out, first filling out a part of clay, top is filled to using packed quick hardening cement
Under steel ring 4 in steel pile casting lower part, cut-and-dried sealing plate 2 is put into immediately, is fully welded with four side casings, is further filled with high first-class
The slightly expanded concrete of grade, after vibration compacting, top steel plate is fully welded closing again, as shown in Figure 5；
If groundwater run off is larger, uninterrupted precipitation shut-in well mode should be taken.Specifically: it uses and contains precasting process hole
Pump power line 10 is passed through the ball valve 11 in sealing plate 2 by sealing plate 2, and sealing plate 2 is put on the interior steel ring 4 inside cylinder 1, interior steel ring 4
Four sides be fully welded with cylinder 1, after checking ne-leakage, shown in the line 10(Fig. 3 that cuts off the power), close two ball valves 11, cut off soft
It manages, the slightly expanded concrete of the high grade of filling, after vibration compacting, top steel plate is fully welded closing again, as shown in Figure 4.
Compared with the prior art the shortcomings that and deficiency, one kind provided by the utility model are used for foundation pit locally uninterrupted precipitation
Protective device, it is structurally reasonable, the interior steel ring of setting can support sealing plate, outer rim is linked as with peripheral bottom plate by concrete
The buoyancy of water when one is to resist shut-in well, lateral pressure is to protective device when effectivelying prevent outermost side floor panels concreting
It influences, guarantees the safety of the uninterrupted dewatering construction in foundation pit part；Ball valve realizes uninterrupted precipitation in shut-in procedures, ensure that base
Cheat the success rate of shut-in well.
The utility model is not limited to above embodiment, anyone can obtain other under the enlightenment of the utility model
Various forms of products, however, make any variation in its shape or structure, it is all with identical or similar to the present application
Technical solution, all fall within the protection scope of the utility model.
Claims (6)
1. a kind of protective device for the uninterrupted precipitation in foundation pit part, including cylinder (1) and sealing plate (2), sealing plate (2) setting exist
The inside of cylinder (1)；It is characterized in that, the protective device further includes outer rim (3), interior steel ring (4) and seal ring (5), outside
Steel ring (3) is welded on the outside of cylinder (1), and interior steel ring (4) is welded on the inside of cylinder (1)；Seal ring (5) is arranged in cylinder
(1) outside is located in same level with the bottom surface of interior steel ring (4)；The sealing plate (2) is close to the top of interior steel ring (4)
Setting.
2. the protective device according to claim 1 for the uninterrupted precipitation in foundation pit part, which is characterized in that the cylinder
(1) section be it is rectangular, in the upper position of cylinder (1), the interior steel ring (4) is arranged in cylinder for the outer rim (3) setting
(1) lower position.
3. the protective device according to claim 1 for the uninterrupted precipitation in foundation pit part, which is characterized in that the outer steel
It encloses (3) to be arranged at the top 1/3 away from cylinder (1), the interior steel ring (4) is arranged at the bottom 1/3 away from cylinder (1).
4. the protective device according to claim 3 for the uninterrupted precipitation in foundation pit part, which is characterized in that the outer steel
It encloses (3) and interior steel ring (4) is one kind of angle steel, square steel or channel steel.
5. the protective device according to claim 1 for the uninterrupted precipitation in foundation pit part, which is characterized in that the sealing plate
It (2) is blind plate, shape and the shape of cylinder (1) match.
6. the protective device according to claim 1 for the uninterrupted precipitation in foundation pit part, which is characterized in that the sealing plate
(2) setting is equipped with ball valve (11), the internal diameter one in technique aperture and ball valve (11) there are two fabrication hole on each fabrication hole on
It causes, the shape of the sealing plate (2) and the shape of cylinder (1) match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647615.7U CN208604486U (en) | 2018-05-03 | 2018-05-03 | Protective device for local uninterrupted precipitation of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647615.7U CN208604486U (en) | 2018-05-03 | 2018-05-03 | Protective device for local uninterrupted precipitation of foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208604486U true CN208604486U (en) | 2019-03-15 |
Family
ID=65661165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820647615.7U Active CN208604486U (en) | 2018-05-03 | 2018-05-03 | Protective device for local uninterrupted precipitation of foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208604486U (en) |
-
2018
- 2018-05-03 CN CN201820647615.7U patent/CN208604486U/en active Active
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