CN204212167U - Lowering level of ground water structure - Google Patents
Lowering level of ground water structure Download PDFInfo
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- CN204212167U CN204212167U CN201420534997.4U CN201420534997U CN204212167U CN 204212167 U CN204212167 U CN 204212167U CN 201420534997 U CN201420534997 U CN 201420534997U CN 204212167 U CN204212167 U CN 204212167U
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Abstract
The utility model relates to lowering level of ground water field, in particular to a kind of lowering level of ground water structure.It construction main body comprising precipitation pilot tunnel, dewatering well and be made up of many constructing pilot tunnels; Constructing pilot tunnel, precipitation pilot tunnel are adjacent or crossing with construction main body; Dewatering well is arranged on precipitation pilot tunnel and connects.The lowering level of ground water structure that the utility model provides, combines precipitation pilot tunnel and constructing pilot tunnel, and make both adjacent crossing or directly do precipitation pilot tunnel by double for constructing pilot tunnel, temporary works amount is little, and engineering is discarded to be measured little, and construction costs is lower; Do not set up new precipitation pilot tunnel, the disturbance of pilot tunnel construction formation is less, is conducive to the protection of periphery construction of structures; Additionally do not take the urban underground space outside station, the later development being conducive to the underground space utilizes; Little to the construction infection of the successive projects such as station accessory structure.
Description
Technical field
The utility model relates to lowering level of ground water field, in particular to a kind of lowering level of ground water structure.
Background technology
Cavern-pile method is built subway station and is required to implement under anhydrous condition, needs to adopt dewatering measure by below near for groundwater table excavation face before tunnel excavation.Usual dewatering well AT STATION structural perimeter is arranged, sets from ground.But, because hidden construction process station multidigit is in the compact district of the facilities such as building, road and underground utilities, along with the complexity day by day with surrounding enviroment condition of carrying out in a deep going way of subway construction, the condition that ground sets dewatering well will become more and more difficult, therefore be necessary to study the engineering construction scheme setting dewatering well (abbreviation lowering level of ground water) in subterranean tunnel.
The lowering level of ground water scheme of current domestic application is all apply separately precipitation pilot tunnel in underground, in pilot tunnel, set dewatering well.Such as station, Beijing Metro No. 15 line Olympic Green, east side adopts headroom in Mining Method excavation to be the precipitation pilot tunnel of 3.5m × 4.5m AT STATION, then precipitation in hole.
For arranging separately the scheme of precipitation pilot tunnel AT STATION, precipitation pilot tunnel is arranged on outside station structure, is separated construction with station, and there are the following problems for the program:
(1) precipitation pilot tunnel belongs to temporary works, needs to carry out backfill process after work, and the discarded amount of engineering is large, and cost is high;
(2) the contiguous main structure construction of precipitation pilot tunnel, multiple electrodes is obvious, and soil body stability is between the two poor, and the disturbance of formation of constructing is larger;
(3) precipitation pilot tunnel applies separately, takies the urban underground space outside station, is unfavorable for that the later development of the underground space utilizes;
(4) precipitation pilot tunnel occupies the route of the accessory structure such as station entrance-exit, air channel, causes larger obstacle to the construction of successive projects;
(5) the building of precipitation pilot tunnel and both sides, structure close together, be unfavorable for the protection to it.
Utility model content
The purpose of this utility model is to provide a kind of lowering level of ground water structure, to solve the above problems.
A kind of lowering level of ground water structure is embodiments provides, the construction main body comprising precipitation pilot tunnel, dewatering well and be made up of many constructing pilot tunnels of the present utility model;
Constructing pilot tunnel, precipitation pilot tunnel are adjacent or crossing with construction main body;
Dewatering well is arranged on precipitation pilot tunnel and connects.
Further, precipitation pilot tunnel is arranged on the both sides on the top of construction main body, and adjacent with construction main body;
Dewatering well is arranged on construction main body both sides.
Further, precipitation pilot tunnel is arranged on the inside on the top of construction main body;
Dewatering well is arranged on construction body interior.
Further, precipitation pilot tunnel is arranged on the centre position on the top of construction main body;
Dewatering well connects the below of precipitation pilot tunnel, and at the middle part of construction main body.
Further, one end of dewatering well is connected with the below of precipitation pilot tunnel, and the other end is lower than construction main body.
The lowering level of ground water structure that the utility model provides, combines precipitation pilot tunnel and constructing pilot tunnel, and make both adjacent crossing or directly do precipitation pilot tunnel by double for constructing pilot tunnel, temporary works amount is little, and engineering is discarded to be measured little, and construction costs is lower; Do not set up new precipitation pilot tunnel, the disturbance of pilot tunnel construction formation is less, is conducive to the protection of periphery construction of structures; Additionally do not take the urban underground space outside station, the later development being conducive to the underground space utilizes; Little to the construction infection of the successive projects such as station accessory structure.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model detailed description of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model lowering level of ground water constructive embodiment one;
Fig. 2 is the structural representation of the utility model lowering level of ground water constructive embodiment two;
Fig. 3 is the structural representation of the utility model lowering level of ground water constructive embodiment three.
In figure, 1: constructing pilot tunnel; 2: top precipitation pilot tunnel; 3: dewatering well; 4: construction main body; 5: upper precipitation pilot tunnel.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, carry out clear, complete description by the technical solution of the utility model below.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
As shown in drawings, the utility model provides lowering level of ground water structure, the construction main body 4 comprising precipitation pilot tunnel, dewatering well 3 and be made up of many constructing pilot tunnels 1;
Constructing pilot tunnel 1, precipitation pilot tunnel are adjacent or crossing with construction main body 4;
Dewatering well 3 is arranged on precipitation pilot tunnel and connects.
The utility model mainly can be applied in the lowering level of ground water technology of cavern-pile method subway station.In cavern-pile method metro station construction pilot tunnel 1, apply dewatering well 3 specifically, suitably adjust pilot tunnel pattern and reasonable arrangement construction way, under construction costs and construction risk increase little prerequisite, solve the lowering level of ground water problem that cavern-pile method builds subway station.Its feature is that precipitation pilot tunnel is combined with station construction pilot tunnel 1 and arranges, compared with the scheme of precipitation pilot tunnel is set separately outside station, reduce the discarded amount of engineering, reduce construction costs, little to surrounding enviroment disturbance, additionally take little to the underground space, and little to the construction infection of follow-up ancillary works, for cavern-pile method subway station lowering level of ground water problem proposes the solution of novelty.
Adopt the subway station built of cavern-pile method when ground does not set the condition of dewatering well 3, can by precipitation pilot tunnel with station construction pilot tunnel 1 in conjunction with setting, set dewatering well 3 in constructing pilot tunnel 1 AT STATION.Because cavern-pile method structural shape is flexible and changeable, the combination of precipitation pilot tunnel and constructing pilot tunnel 1 also has kinds of schemes.Below by three embodiments, the utility model is described in detail.
Embodiment one
Precipitation pilot tunnel is arranged on the both sides on the top of construction main body 4, and adjacent with construction main body 4;
Dewatering well 3 is arranged on construction main body 4 both sides.
Conventional cavern-pile method constructing pilot tunnel 1 is mainly used in applying skirt piles, and the pilot tunnel outer space later stage needs backfill, and inner space formwork erection builds two lining structures.For meeting precipitation space requirement, constructing pilot tunnel 1 size suitably can be expanded, in pilot tunnel, lay rig and set dewatering well 3, dewatering well 3 is arranged in outside agent structure, and we are referred to as external constructing pilot tunnel 1 precipitation scheme.
In this scheme, in order to make full use of precipitation pilot tunnel 2 space, top, first can apply dewatering well 3 and skirt piles in pilot tunnel, then setting up pilot tunnel median septum again.This scheme should optimize the rig scale of construction setting dewatering well 3 as far as possible, reduces top precipitation pilot tunnel 2 size.
Embodiment two
Precipitation pilot tunnel is arranged on the inside on the top of construction main body 4;
It is inner that dewatering well 3 is arranged on construction main body 4.
For meeting precipitation space requirement, constructing pilot tunnel 1 and upper middle drift are merged, form new large scale constructing pilot tunnel 1 (namely once detaining arch method), then in pilot tunnel, lay rig and set dewatering well 3, dewatering well 3 is arranged in agent structure inside, and we are referred to as constructing pilot tunnel 1 precipitation scheme in body.
Embodiment three
Precipitation pilot tunnel is arranged on the centre position on the top of construction main body 4;
Dewatering well 3 connects the below of precipitation pilot tunnel, and at the middle part of construction main body 4.
For meeting precipitation space requirement, two upper middle drift are merged, forms the upper precipitation pilot tunnel 5 of new large scale, then in upper precipitation pilot tunnel 5, lay rig and set dewatering well 3, dewatering well 3 is arranged in agent structure inside, and we are referred to as upper middle drift precipitation scheme in body.
It should be noted that, for external constructing pilot tunnel 1 precipitation scheme, because constructing pilot tunnel 1 extends out, if walk sequence construction routinely, to cause first and two lining button arch stages, cannot provide thrust at springer outside stake apical cap beam, this problem solves by the construction way of reasonable arrangement top precipitation pilot tunnel 2.When setting dewatering well 3, precipitation pilot tunnel needs larger space to lay rig.After dewatering well 3 has set, precipitation pilot tunnel has only been used for laying and safeguard precipitation pipeline, therefore certain altitude scope bottom precipitation pilot tunnel can be backfilled, and balances the thrust at springer in button arch stage.
In addition, it is pointed out that one end of dewatering well 3 is connected with the below of precipitation pilot tunnel in above-mentioned three kinds of embodiments, the other end is lower than construction main body 4.
Such setting, effectively can be transported to the below of construction main body 4 by dewatering well 3 by the water in precipitation pilot tunnel, make it can not impact construction main body 4 again.
The process characteristic that the utility model is constructed in conjunction with cavern-pile method, innovatively precipitation pilot tunnel is combined with cavern-pile method station construction pilot tunnel 1, suitable adjustment pilot tunnel pattern reasonable arrangement construction way, under construction costs and construction risk increase little prerequisite, successfully solve the lowering level of ground water problem that cavern-pile method builds subway station.
The lowering level of ground water structure that the utility model provides, combines precipitation pilot tunnel and constructing pilot tunnel 1, and make both adjacent crossing or directly do precipitation pilot tunnel by double for constructing pilot tunnel 1, temporary works amount is little, and engineering is discarded to be measured little, and construction costs is lower; Do not set up new precipitation pilot tunnel, the disturbance of pilot tunnel construction formation is less, is conducive to the protection of periphery construction of structures; Additionally do not take the urban underground space outside station, the later development being conducive to the underground space utilizes; Little to the construction infection of the successive projects such as station accessory structure.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a lowering level of ground water structure, is characterized in that, the construction main body comprising precipitation pilot tunnel, dewatering well and be made up of many constructing pilot tunnels;
Described constructing pilot tunnel, described precipitation pilot tunnel are adjacent or crossing with described construction main body;
Described dewatering well is arranged on described precipitation pilot tunnel and connects.
2. lowering level of ground water structure according to claim 1, is characterized in that, described precipitation pilot tunnel is arranged on the both sides on the top of described construction main body, and adjacent with described construction main body;
Described dewatering well is arranged on described construction main body both sides.
3. lowering level of ground water structure according to claim 1, is characterized in that, described precipitation pilot tunnel is arranged on the inside on the top of described construction main body;
Described dewatering well is arranged on described construction body interior.
4. lowering level of ground water structure according to claim 1, is characterized in that, described precipitation pilot tunnel is arranged on the centre position on the top of described construction main body;
Described dewatering well connects the below of described precipitation pilot tunnel, and at the middle part of described construction main body.
5. the lowering level of ground water structure according to any one of claim 1-4, is characterized in that, one end of described dewatering well is connected with the below of described precipitation pilot tunnel, and the other end is lower than described construction main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534997.4U CN204212167U (en) | 2014-09-17 | 2014-09-17 | Lowering level of ground water structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534997.4U CN204212167U (en) | 2014-09-17 | 2014-09-17 | Lowering level of ground water structure |
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| CN204212167U true CN204212167U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420534997.4U Expired - Fee Related CN204212167U (en) | 2014-09-17 | 2014-09-17 | Lowering level of ground water structure |
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| CN (1) | CN204212167U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227961A (en) * | 2017-06-29 | 2017-10-03 | 中铁十二局集团有限公司 | Heavy caliber dewatering well construction method in metro built by mining method hole |
| CN107503774A (en) * | 2017-09-08 | 2017-12-22 | 中铁十六局集团地铁工程有限公司 | A kind of construction of combination piping lane without surface precipitation Construction Method of Metro Station |
| CN107574830A (en) * | 2017-09-08 | 2018-01-12 | 中铁十六局集团地铁工程有限公司 | A kind of subway station combines the precipitation method of piping lane construction |
| CN107964971A (en) * | 2017-11-23 | 2018-04-27 | 北京地矿工程建设有限责任公司 | A kind of precipitation method of subway station using the construction of PBA engineering methods |
| CN111022118A (en) * | 2019-12-12 | 2020-04-17 | 中铁北京工程局集团有限公司 | Construction method for dewatering in pile |
| CN112709247A (en) * | 2021-01-20 | 2021-04-27 | 北京城建道桥建设集团有限公司 | Subway construction dewatering system and method for complex ground |
| CN114183150A (en) * | 2022-02-15 | 2022-03-15 | 中铁隧道局集团路桥工程有限公司 | Construction method for underground excavation station of ultra-shallow buried canopy |
-
2014
- 2014-09-17 CN CN201420534997.4U patent/CN204212167U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227961A (en) * | 2017-06-29 | 2017-10-03 | 中铁十二局集团有限公司 | Heavy caliber dewatering well construction method in metro built by mining method hole |
| CN107503774A (en) * | 2017-09-08 | 2017-12-22 | 中铁十六局集团地铁工程有限公司 | A kind of construction of combination piping lane without surface precipitation Construction Method of Metro Station |
| CN107574830A (en) * | 2017-09-08 | 2018-01-12 | 中铁十六局集团地铁工程有限公司 | A kind of subway station combines the precipitation method of piping lane construction |
| CN107964971A (en) * | 2017-11-23 | 2018-04-27 | 北京地矿工程建设有限责任公司 | A kind of precipitation method of subway station using the construction of PBA engineering methods |
| CN107964971B (en) * | 2017-11-23 | 2019-11-22 | 北京地矿工程建设有限责任公司 | A kind of precipitation method of the subway station using the construction of PBA engineering method |
| CN111022118A (en) * | 2019-12-12 | 2020-04-17 | 中铁北京工程局集团有限公司 | Construction method for dewatering in pile |
| CN112709247A (en) * | 2021-01-20 | 2021-04-27 | 北京城建道桥建设集团有限公司 | Subway construction dewatering system and method for complex ground |
| CN114183150A (en) * | 2022-02-15 | 2022-03-15 | 中铁隧道局集团路桥工程有限公司 | Construction method for underground excavation station of ultra-shallow buried canopy |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20160917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |