CN207121916U - Shut-in well structure - Google Patents
Shut-in well structure Download PDFInfo
- Publication number
- CN207121916U CN207121916U CN201720323002.3U CN201720323002U CN207121916U CN 207121916 U CN207121916 U CN 207121916U CN 201720323002 U CN201720323002 U CN 201720323002U CN 207121916 U CN207121916 U CN 207121916U
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- Prior art keywords
- steel pipe
- interior
- shut
- outer steel
- well structure
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Abstract
One kind shut-in well structure, it is related to base pit dewatering structure, including bottom plate, bed course, in addition to outer steel pipe and interior steel pipe, interior steel pipe is arranged in outer steel pipe, and outer steel pipe and interior steel pipe are all set through bottom plate and bed course, interior steel pipe top is provided with controlled valve, and the steel plate support of horizontal closure is provided between interior steel pipe and outer steel pipe, chimney filter is arranged between interior steel pipe and outer steel pipe, chimney filter bottom is less than outer steel pipe bottom, and top flushes with steel plate support, and interior length of steel pipe is between outer steel pipe length and chimney filter length.This programme provides a kind of shut-in well structure, and construction technology simplifies, saved consumptive material, shortened the duration；It can repeatedly use, improve itself construction value.
Description
Technical field
Base pit dewatering structure is the utility model is related to, more particularly to a kind of shut-in well structure.
Background technology
Base pit engineering is to excavate the earthwork at engineering underground structure, ensures foundation ditch and safety of surrounding environment and enclosing for taking
The general name of the engineering measures such as shield, support, precipitation, reinforcing, shoveling and backfill, including reconnoitre, design, constructing, detecting and monitoring.Ground
Lower water management is for Foundation Pit Construction and reduces and influence draining, precipitation, sealing or recharge for taking etc. to surrounding enviroment and arrange
Apply.Base pit dewatering is in the inside and outside embedded well casing of foundation ditch, is drawn water using plant equipment, the precipitation method for reducing groundwater level.
Shut-in well is important step in foundation pit dewatering project, it is therefore an objective to solves dewatering project and terminates dewatering well closing and engineering in the hole in later stage
Local waterproof problem, ensure the continuity of base plate strength, it is ensured that pressure reduction well position occurs without infiltration, protruded during engineering use
With get deeply stuck in problem.
As shown in figure 1, a kind of shut-in well structure of the prior art, before shut-in well, drop steel pipe b 100mm under bottom plate a top surfaces
Cut-out, below bed course c bottoms absolute altitude 1m is backfilled using medium coarse sand d, then with high grade element concrete e（A grade higher than bottom plate a concretes）Pour
Under to bottom plate a top surfaces at 100mm, steel top plate f is welded with, weld seam is full, there must not be gap, is finally poured with microdilatancy concrete g flat.Should
In kind shut-in well structure, steel pipe is blocked completely, can not be realized multiple precipitation operation, be caused the construction value of shut-in well low.
Utility model content
The purpose of this utility model is to provide a kind of shut-in well structure so that the closure work of dewatering well is simplified, drop
Water is easy to operate, and its construction value improves.
Above-mentioned purpose of the present utility model technical scheme is that：One kind shut-in well structure, including bottom
Plate, bed course, in addition to outer steel pipe and interior steel pipe, interior steel pipe are arranged in outer steel pipe, and outer steel pipe and interior steel pipe all run through bottom plate
Set with bed course, interior steel pipe top is provided with controlled valve, and the steel plate support of horizontal closure, interior steel are provided between interior steel pipe and outer steel pipe
Chimney filter is arranged between pipe and outer steel pipe, chimney filter bottom is less than outer steel pipe bottom, and top flushes with steel plate support, and interior length of steel pipe is situated between
Between outer steel pipe length and chimney filter length.
By using above-mentioned technical proposal, precipitation is realized with controlled valve, instead of the knot blocked completely in the prior art
Structure, on the one hand cause the closure step of precipitation shut-in well to be reduced, shorten construction period, save construction consumptive material, reduce
Engineering cost；Reduce difficulty of construction；Using controlled valve, it is necessary to need to only open controlled valve during precipitation, and be easy into
The multiple precipitation operation of row, improve the construction value of shut-in well.
Preferably, outer steel pipe outer wall is provided with least one pair of outer water-proof wing-ring, and interior outer wall of steel pipe is provided with least one pair of interior sealing
Wing ring.
By using above-mentioned technical proposal, outer steel pipe and interior outer wall of steel pipe all set water-proof wing-ring, so as to play waterproof
Effect so that shut-in well service life is longer.
Preferably, interior steel pipe flushes with the top nozzle of outer steel pipe, and controlled valve is located in the mouth of pipe of outer steel pipe, outer steel pipe
The mouth of pipe is provided with flange plate, and steel deck-plate is covered with flange plate.
By using above-mentioned technical proposal, interior steel pipe and its controlled valve are all disposed within outer steel pipe, are played certain anti-
Protective effect is destroyed, while also make it that shut-in well structure is compacter；Flange plate provides fulcrum for welding steel deck-plate, realizes to shut-in well
The closure of well head.
Preferably, bottom plate is provided with recessed notch, and steel deck-plate flushes with notch.
By using above-mentioned technical proposal, bottom plate sets recessed notch, so as to which the structures such as steel deck-plate are all placed in into bottom
It is following at the top of plate so that shut-in well is compact-sized, and concealed structure can more reduce its destroyed possibility.
Preferably, flax silk cement admixture is filled between chimney filter and outer steel pipe.
By using above-mentioned technical proposal, flax silk cement is filled between chimney filter and outer steel pipe, on the one hand plays connection filter
Pipe and the effect of outer steel pipe, play a supporting role to chimney filter, on the other hand play a part of the bulk strength of increase shut-in well structure.
Preferably, microdilatancy concrete, the top of microdilatancy concrete and the notch bottom of bottom plate are filled between outer steel pipe and interior steel pipe
Portion flushes, and bottom flushes with steel plate support.
By using above-mentioned technical proposal, tamped above steel plate support with microdilatancy concrete, steel plate is held up and arrives compaction, this
Outside, rectangular structure can also be played a protective role, it is waterproof, tamper-proof.
Preferably, interior diameter of steel tube is 1/10th of outer steel pipe diameter.
By using above-mentioned technical proposal, the diameter of interior steel pipe and the diameter ratio of outer steel pipe use the numerical value, if interior steel pipe
Too small, then efficiency of being drawn water during precipitation is low, if interior steel pipe is too big, the space between chimney filter and interior steel pipe for water storage is just too small,
It is low to again result in efficiency of drawing water.
To sum up, a kind of shut-in well structure described in the utility model, construction technology simplify, have saved consumptive material, shortened the duration；
It can repeatedly use, improve itself construction value.
Brief description of the drawings
Fig. 1 is the schematic diagram of background technology；
Fig. 2 is schematic diagram of the present utility model.
Reference：A, bottom plate；B steel pipes；C, bed course；D, medium coarse sand；E, high grade element concrete；F, steel top plate；G, microdilatancy
Concrete；1st, bottom plate；2nd, bed course；3rd, outer steel pipe；4th, interior steel pipe；5th, controlled valve；6th, steel plate support；7th, chimney filter；8th, outer water-proof wing-ring；9、
Interior water-proof wing-ring；10th, flange plate；11st, steel deck-plate；12nd, flax silk cement admixture；13rd, microdilatancy concrete.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Fig. 2 a kind of shut-in well structure, including bottom plate 1, bed course 2, bottom plate 1 are provided with recessed notch.Also include position
In outer steel pipe 3 and interior steel pipe 4 in notch, 1/10th of the interior a diameter of diameter of outer steel pipe 3 of steel pipe 4, interior steel pipe 4 is arranged on outer
In steel pipe 3, and both run through bottom plate 1 and bed course 2.The outer wall of outer steel pipe 3 is provided with least one pair of outer water-proof wing-ring 8, outside interior steel pipe 4
Wall is provided with least one pair of interior water-proof wing-ring 9.
Interior steel pipe 4 flushes with the top nozzle of outer steel pipe 3, and the interior top of steel pipe 4 is provided with controlled valve 5, and controlled valve 5 is located at
In the mouth of pipe of outer steel pipe 3.The mouth of pipe of outer steel pipe 3 is provided with flange plate 10, and steel deck-plate 11, steel deck-plate 11 and groove are covered with flange plate 10
Mouth flushes.
The steel plate support 6 of horizontal closure is provided between interior steel pipe 4 and outer steel pipe 3.The interior steel pipe 4 of steel plate support more than 6 and outer steel
Microdilatancy concrete 13 is filled between pipe 3, the top of microdilatancy concrete 13 flushes with the pocket bottom of bottom plate 1, and bottom and steel plate support 6 are neat
It is flat.
Steel plate support is arranged with chimney filter 7 between the interior steel pipe 4 and outer steel pipe 3 below 6, the bottom of chimney filter 7 is less than the bottom of outer steel pipe 3
Portion, top flush with steel plate support 6, and the interior length of steel pipe 4 is between the length of outer steel pipe 3 and the length of chimney filter 7.Chimney filter 7 and outer steel pipe 3
Between be filled with flax silk cement admixture 12.
When needing precipitation, precipitation can be carried out by opening controlled valve 5, convenient and swift, repeat operation.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
1. one kind shut-in well structure, including bottom plate（1）, bed course（2）, it is characterised in that：Also include outer steel pipe（3）With interior steel pipe（4）,
Interior steel pipe（4）It is arranged on outer steel pipe（3）It is interior, and outer steel pipe（3）With interior steel pipe（4）All run through bottom plate（1）And bed course（2）Set,
Interior steel pipe（4）Top is provided with controlled valve（5）, interior steel pipe（4）With outer steel pipe（3）Between be provided with the steel plate support of horizontal closure（6）,
Interior steel pipe（4）With outer steel pipe（3）Between be arranged with chimney filter（7）, chimney filter（7）Bottom is less than outer steel pipe（3）Bottom, top and steel plate
Support（6）Flush, interior steel pipe（4）Length is between outer steel pipe（3）Length and chimney filter（7）Between length.
2. shut-in well structure according to claim 1, it is characterised in that：The outer steel pipe（3）Outer wall is provided with outside at least one pair of
Water-proof wing-ring（8）, interior steel pipe（4）Outer wall is provided with least one pair of interior water-proof wing-ring（9）.
3. shut-in well structure according to claim 1, it is characterised in that：The interior steel pipe（4）With outer steel pipe（3）Head tube
Mouth flushes, controlled valve（5）Positioned at outer steel pipe（3）The mouth of pipe in, outer steel pipe（3）The mouth of pipe is provided with flange plate（10）, flange plate
（10）On be covered with steel deck-plate（11）.
4. shut-in well structure according to claim 3, it is characterised in that：The bottom plate（1）It is provided with recessed notch, steel lid
Plate（11）Flushed with notch.
5. shut-in well structure according to claim 1, it is characterised in that：The chimney filter（7）With outer steel pipe（3）Between be filled with
Flax silk cement admixture（12）.
6. shut-in well structure according to claim 1, it is characterised in that：The outer steel pipe（3）With interior steel pipe（4）Between fill
There is microdilatancy concrete（13）, microdilatancy concrete（13）Top and bottom plate（1）Pocket bottom flush, bottom and steel plate support（6）Flush.
7. shut-in well structure according to claim 1, it is characterised in that：The interior steel pipe（4）A diameter of outer steel pipe（3）Diameter
1/10th.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720323002.3U CN207121916U (en) | 2017-03-29 | 2017-03-29 | Shut-in well structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720323002.3U CN207121916U (en) | 2017-03-29 | 2017-03-29 | Shut-in well structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207121916U true CN207121916U (en) | 2018-03-20 |
Family
ID=61614274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720323002.3U Expired - Fee Related CN207121916U (en) | 2017-03-29 | 2017-03-29 | Shut-in well structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207121916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440775A (en) * | 2018-12-27 | 2019-03-08 | 云南省建设投资控股集团有限公司 | A kind of sunk type foundation pit Yield rainfall relation system, construction method and application method |
| CN109930614A (en) * | 2019-04-12 | 2019-06-25 | 中亿丰建设集团股份有限公司 | Deep basal pit pipe well runs the not damaged construction method of closed bottom structure |
| CN111424694A (en) * | 2020-04-17 | 2020-07-17 | 广东省水利水电第三工程局有限公司 | Well sealing device and well sealing method for foundation structure water collecting well |
-
2017
- 2017-03-29 CN CN201720323002.3U patent/CN207121916U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440775A (en) * | 2018-12-27 | 2019-03-08 | 云南省建设投资控股集团有限公司 | A kind of sunk type foundation pit Yield rainfall relation system, construction method and application method |
| CN109440775B (en) * | 2018-12-27 | 2020-11-24 | 云南省建设投资控股集团有限公司 | Sinking type foundation pit dewatering and drainage system, construction method and use method |
| CN109930614A (en) * | 2019-04-12 | 2019-06-25 | 中亿丰建设集团股份有限公司 | Deep basal pit pipe well runs the not damaged construction method of closed bottom structure |
| CN109930614B (en) * | 2019-04-12 | 2024-05-17 | 中亿丰建设集团股份有限公司 | Nondestructive construction method for deep foundation pit tube well operation closed bottom plate structure |
| CN111424694A (en) * | 2020-04-17 | 2020-07-17 | 广东省水利水电第三工程局有限公司 | Well sealing device and well sealing method for foundation structure water collecting well |
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Legal Events
| 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: 20180320 Termination date: 20210329 |