CN208518685U - A kind of Underground Subway Station construction period water sealing structure - Google Patents
A kind of Underground Subway Station construction period water sealing structure Download PDFInfo
- Publication number
- CN208518685U CN208518685U CN201821264798.0U CN201821264798U CN208518685U CN 208518685 U CN208518685 U CN 208518685U CN 201821264798 U CN201821264798 U CN 201821264798U CN 208518685 U CN208518685 U CN 208518685U
- Authority
- CN
- China
- Prior art keywords
- water
- substrate
- stop curtain
- underground
- fender post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses a kind of Underground Subway Station construction period water sealing structure and its construction methods, including fender post, water sealing structure between fender post, substrate water-stop curtain, water level line and substrate, fender post is the soil blocking component for protecting Underground Construction and the supporting member for undertaking construction period overburden load, water sealing structure and fender post cooperatively form excavation face side wall water-stop curtain between fender post, substrate water-stop curtain is to form water barrier by reinforce to the substrate soil body, excavation face side wall water-stop curtain and substrate water-stop curtain cooperatively form closed box, isolation underground water, which enters, to be excavated in range.The utility model greatly reduces pump drainage water, avoids water resource waste.
Description
Technical field
The utility model relates to underground structure fields, and in particular to a kind of Underground Subway Station construction period water sealing structure.
Background technique
With the development that urban rail transit in China is built, more and more cities start to carry out subway construction, many subways
Station is built in urban compact and road narrow zone.For subway station under such urban compact and road narrow zone environment
Design, construction, at present often use tunneling engineering method and Dewatering.Under the situation of current underground water critical shortage, apply
A large amount of pump drainage underground water cause serious water resource waste between duration, cannot sufficiently implement the Scientific Outlook on Development of sustainable development,
Therefore, it is necessary to be innovated to the prior art.
Utility model content
Technical problem to be solved in the utility model is subway under current urban compact and road narrow zone environment
The construction period stood a large amount of pump drainage underground water cause serious water resource waste, and it is an object of the present invention to provide a kind of Underground Subway Station
Construction period water sealing structure, solves the above problems.
The utility model is achieved through the following technical solutions:
A kind of Underground Subway Station construction period water sealing structure, including water sealing structure, substrate sealing between fender post, fender post
Curtain, water level line and substrate, the fender post are to protect the soil blocking component of Underground Construction and undertake construction period earthing lotus
The supporting member of load, water sealing structure and fender post cooperatively form excavation face side wall water-stop curtain between the fender post, described
Substrate water-stop curtain is to form water barrier, excavation face side wall water-stop curtain and substrate sealing curtain by reinforce to the substrate soil body
Curtain cooperatively forms closed box, and isolation underground water, which enters, to be excavated in range.
In above scheme, fender post is evenly arranged along full station side wall, and water sealing structure and two sides fender post are total between fender post
Same-action, isolation underground water, which enters, to be excavated in range, is overcome in the prior art, often a large amount of when Underground Subway Station
Pump drainage underground water causes serious water resource waste, and in the present invention, water level line an or more spacing is excavated to station
From position when, closed box is cooperatively formed by excavation face side wall water-stop curtain and substrate water-stop curtain, completely cuts off underground water
It into excavating in range, can avoid a large amount of pump drainage underground water, save water resource；The position root of the above-mentioned above certain distance of water level line
Factually border condition of construction carries out Rational choice.
Further, the substrate water-stop curtain is to carry out slip casting or whirl spraying or consolidation by freezing to the following soil body of substrate, is made
The soil body forms one of water barrier after obtaining the reinforcing, and the depth of the following soil body of substrate is according to underground water pressure-bearing property, head height, base
The actual conditions such as bottom determine.
Further, water sealing structure uses the sealing slip casting of excavation face side wall deep hole, the substrate sealing between the fender post
Curtain uses the sealing slip casting of substrate deep hole, stops between the fender post stake, substrate progress deep hole sealing slip casting formation fender post
Water-bound and substrate water-stop curtain, isolation underground water, which enters, to be excavated in range.
Further, water sealing structure is using high-pressure rotary-spray between stake between the fender post, and the substrate water-stop curtain is using base
Bottom high-pressure rotary-spray forms water sealing structure between fender post to rotary churning pile is set the fender post stake, carries out high pressure to the substrate
Whirl spraying forms substrate water-stop curtain, and isolation underground water, which enters, to be excavated in range.
Further, the fender post is interlocking pile, as excavation face side wall water-stop curtain, carries out high pressure to the substrate
Whirl spraying forms substrate water-stop curtain, and isolation underground water, which enters, to be excavated in range.
The utility model compared with prior art, has the following advantages and benefits:
1, traditional Station construction often guarantees dry slot operating environment using Dewatering scheme, and a large amount of water is caused to provide
Source waste.Water-stop curtain is arranged simultaneously to surface side wall and substrate is excavated in the utility model, seals to underground water outside Station
It closes, the dry slot that the underground water progress drainage in Station more than substrate water barrier can be realized to construction is only needed in construction period
Operation greatly reduces pump drainage water, avoids water resource waste；
2, the utility model carries out pre- Seal treatment to underground water, i.e., before being excavated to level of ground water just to around
Water body is closed, and ensure that construction operation environment, meets the requirement of civilized construction；
3, the utility model is not limited by basement strata, can not obstruct underground water without water barrier or water barrier are excessively thin in substrate
In the case where, it still may be implemented to close the following underground water of substrate；
4, the utility model provides different technical solutions, and the selection such as arrangement can be raised according to formation condition, construction organization, work
Reasonable embodiment；
5, the water sealing structure in the utility model can be used for water seal design during the full station construction of all Underground Subway Stations,
Application range is very wide.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structure schematic cross section of embodiment 1 in the utility model；
Fig. 2 is the construction method step 1 of embodiment 1 in the utility model；
Fig. 3 is the construction method step 2 of embodiment 1 in the utility model；
Fig. 4 is the construction method step 3 of embodiment 1 in the utility model；
Fig. 5 is the structure schematic cross section of embodiment 2 in the utility model；
Fig. 6 is the construction method step 1 of embodiment 2 in the utility model；
Fig. 7 is the construction method step 2 of embodiment 2 in the utility model；
Fig. 8 is the construction method step 3 of embodiment 2 in the utility model.
Label and corresponding parts title in attached drawing:
1- fender post, water sealing structure between 2- fender post, 3- substrate water-stop curtain, 4- water level line, 5- substrate, 6- skirt piles, 7-
Slip casting working face, 8- preliminary bracing, 9- substrate whirl spraying working face, 10- pile foundation plinth, 11- rotary churning pile.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of Underground Subway Station construction period water sealing structure, including fender post 1, go along with sb. to guard him waterproof between piles knot
Structure 2, substrate water-stop curtain 3, water level line 4 and substrate 5, the fender post 1 are to protect the soil blocking component of Underground Construction and hold
The supporting member of construction period overburden load is carried on a shoulder pole, water sealing structure 2 and fender post 1 cooperatively form excavation face between the fender post
Side wall water-stop curtain, the substrate water-stop curtain 3 are to form water barrier by reinforce to the substrate soil body, and excavation face side wall stops
Water curtain and substrate water-stop curtain 3 cooperatively form closed box, and isolation underground water, which enters, to be excavated in range.
In the present embodiment, water sealing structure 2 uses the sealing slip casting of excavation face side wall deep hole, the substrate sealing curtain between fender post
Curtain 3 uses the sealing slip casting of substrate deep hole, carries out Station main structure construction according to normal procedure, to be onstructed to level of ground water
When 4 or more certain distance between fender post 1, substrate 5 carry out the slip casting of deep hole sealing formed water-stop curtain, isolation underground water enter
It excavates in range.
As shown in Figure 2 to 4, the construction method of the present embodiment Underground Subway Station construction period water sealing structure, including with
Lower step:
Step 1: excavating main hole, During Initial Stage Construction supporting 8, the both sides of pile foundation plinth 10 use mechanical hole building in pilot tunnel
Apply skirt piles 6；
Step 2: when structure foundation pit applies the certain altitude above to water level, select slip casting working face 7, to foundation pit side-wall and
Substrate carries out the slip casting of deep hole sealing；
Step 3: continuing subsequent construction, until main structure is completed.
Embodiment 2
As shown in figure 5, a kind of Underground Subway Station construction period water sealing structure, including fender post 1, go along with sb. to guard him waterproof between piles knot
Structure 2, substrate water-stop curtain 3, water level line 4 and substrate 5, the fender post 1 are to protect the soil blocking component of Underground Construction and hold
The supporting member of construction period overburden load is carried on a shoulder pole, water sealing structure 2 and fender post 1 cooperatively form excavation face between the fender post
Side wall water-stop curtain, the substrate water-stop curtain 3 are to form water barrier by reinforce to the substrate soil body, and excavation face side wall stops
Water curtain and substrate water-stop curtain 3 cooperatively form closed box, and isolation underground water, which enters, to be excavated in range.
In the present embodiment, water sealing structure 2 uses the sealing slip casting of excavation face side wall deep hole between the fender post, and the substrate is stopped
Water curtain 3 use the sealing slip casting of substrate deep hole, between the fender post 1, substrate 5 carry out the slip casting of deep hole sealing formed fender post
Between water sealing structure 2 and substrate water-stop curtain 3, isolation underground water enter excavate range in.
As shown in Figure 6 to 8, the construction method of the present embodiment Underground Subway Station construction period water sealing structure, including with
Lower step:
Step 1: excavating main hole, During Initial Stage Construction supporting 8 applies skirt piles 6 using mechanical hole building in pilot tunnel；
Step 2: applying rotary churning pile 11 between fender post, form foundation pit side-wall water-stop curtain；
Step 3: Station main structure construction being carried out according to normal procedure, is applied to structure foundation pit to more than water level one
When determining height, substrate whirl spraying working face 9 is selected, high-pressure spiral jetting diaphragm closing is carried out to 5 soil body of substrate, isolation underground water, which enters, to be opened
It digs in range；
Step 4: continuing subsequent construction, until main structure is completed.
Embodiment 3
A kind of Underground Subway Station construction period water sealing structure, including water sealing structure, substrate sealing between fender post, fender post
Curtain, water level line and substrate, the fender post are to protect the soil blocking component of Underground Construction and undertake construction period earthing lotus
The supporting member of load, water sealing structure and fender post cooperatively form excavation face side wall water-stop curtain between the fender post, described
Substrate water-stop curtain is to form water barrier, excavation face side wall water-stop curtain and substrate sealing curtain by reinforce to the substrate soil body
Curtain cooperatively forms closed box, and isolation underground water, which enters, to be excavated in range.
In the present embodiment, fender post is interlocking pile, as excavation face side wall water-stop curtain, carries out high pressure rotation to the substrate
Spray forms substrate water-stop curtain, and isolation underground water, which enters, to be excavated in range.
The construction method of the present embodiment Underground Subway Station construction period water sealing structure, comprising the following steps:
Step 1: excavating main hole, During Initial Stage Construction supporting applies interlocking pile using mechanical hole building in small pilot tunnel, specifically
Ground is first constructed two A using plain concrete pile A and reinforced concrete pile B arranged for interval, and then construction is B intermediate,
B constructions, the B concrete by cutting away adjacent A intersection, thus real are completed before A pile concrete initial set
It is now engaged, forms excavation face side wall water-stop curtain；
Step 2: Station main structure construction being carried out according to normal procedure, is applied to structure foundation pit to more than water level one
When determining height, substrate whirl spraying working face is selected, high-pressure spiral jetting diaphragm closing is carried out to the substrate soil body；
Step 3: continuing subsequent construction, until main structure is completed.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of Underground Subway Station construction period water sealing structure, which is characterized in that including fender post (1), go along with sb. to guard him waterproof between piles
Structure (2), substrate water-stop curtain (3), water level line (4) and substrate (5), the fender post (1) are protection Underground Construction
Soil blocking component and the supporting member for undertaking construction period overburden load, water sealing structure (2) and fender post (1) is altogether between the fender post
Same-action forms excavation face side wall water-stop curtain, and the substrate water-stop curtain (3) is by carrying out reinforcing formation to the substrate soil body
Water barrier, excavation face side wall water-stop curtain and substrate water-stop curtain (3) cooperatively form closed box, and isolation underground water enters
It excavates in range.
2. a kind of Underground Subway Station construction period water sealing structure according to claim 1, which is characterized in that the substrate
Water-stop curtain (3) is to carry out slip casting or whirl spraying or consolidation by freezing to the following soil body of substrate (5), so that the soil body forms one after the reinforcing
Road water barrier.
3. a kind of Underground Subway Station construction period water sealing structure according to claim 1, which is characterized in that described to go along with sb. to guard him
Waterproof between piles structure (2) uses the sealing slip casting of excavation face side wall deep hole, and the substrate water-stop curtain (3) uses substrate deep hole sealing
Slip casting, between the fender post (1) stake, substrate (5) carry out the slip casting of deep hole sealing formed fender post water sealing structure (2) and substrate
Water-stop curtain (3), isolation underground water, which enters, to be excavated in range.
4. a kind of Underground Subway Station construction period water sealing structure according to claim 1, which is characterized in that described to go along with sb. to guard him
Waterproof between piles structure (2) uses high-pressure rotary-spray between stake, and the substrate water-stop curtain (3) uses substrate high-pressure rotary-spray, encloses to described
Rotary churning pile is set between fender pile (1) stake, forms water sealing structure (2) between fender post, and high-pressure rotary-spray is carried out to the substrate (5), is formed
Substrate water-stop curtain (3), isolation underground water, which enters, to be excavated in range.
5. a kind of Underground Subway Station construction period water sealing structure according to claim 1, which is characterized in that described to go along with sb. to guard him
Stake (1) is interlocking pile, as excavation face side wall water-stop curtain, carries out high-pressure rotary-spray to the substrate (5), forms substrate sealing curtain
Curtain (3), isolation underground water, which enters, to be excavated in range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821264798.0U CN208518685U (en) | 2018-08-03 | 2018-08-03 | A kind of Underground Subway Station construction period water sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821264798.0U CN208518685U (en) | 2018-08-03 | 2018-08-03 | A kind of Underground Subway Station construction period water sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208518685U true CN208518685U (en) | 2019-02-19 |
Family
ID=65333779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821264798.0U Active CN208518685U (en) | 2018-08-03 | 2018-08-03 | A kind of Underground Subway Station construction period water sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208518685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026080A (en) * | 2018-08-03 | 2018-12-18 | 中铁隆工程集团有限公司 | A kind of Underground Subway Station water sealing structure and its construction method |
| CN110259490A (en) * | 2019-06-13 | 2019-09-20 | 广州穗岩土木科技股份有限公司 | A kind of Underground Subway Station construction method |
-
2018
- 2018-08-03 CN CN201821264798.0U patent/CN208518685U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026080A (en) * | 2018-08-03 | 2018-12-18 | 中铁隆工程集团有限公司 | A kind of Underground Subway Station water sealing structure and its construction method |
| CN110259490A (en) * | 2019-06-13 | 2019-09-20 | 广州穗岩土木科技股份有限公司 | A kind of Underground Subway Station construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102966108B (en) | Construction method of deep foundation pit close to building and adopting underground structure as internal support | |
| CN104120731B (en) | A kind of tunnel subsidence protector and construction method thereof | |
| CN105201448A (en) | Method for water-stopping grouting plugging in high-pressure high-flow water gush channel | |
| CN110043264A (en) | A kind of construction method of jacking prefabricated rectangle shaft structure pattern | |
| CN107023026A (en) | A kind of sealing bottom type caisson wall and construction method | |
| CN104404974A (en) | High-pressure-bearing water and thick sand and pebble formation deep foundation pit grouting bottom-sealing structure and construction technology thereof | |
| CN109403333A (en) | A kind of soft lower hard water rich strata deep basal pit reversed construction method | |
| CN108951641A (en) | It is a kind of for the compound support method of ultra-deep pipe gallery foundation trench in water river | |
| CN208518685U (en) | A kind of Underground Subway Station construction period water sealing structure | |
| CN105525619A (en) | Occlusive pipe curtain for bored tunnel in water-rich stratum and construction method of occlusive pipe curtain | |
| CN103742154A (en) | Shield tunnel ventilation shaft construction method | |
| CN110259490A (en) | A kind of Underground Subway Station construction method | |
| CN105019913A (en) | Base rock uplift region shielding tool-changing in-situ reinforcement method | |
| CN205894027U (en) | Structure is oozed in cutting of power station underground factory building | |
| CN104695457A (en) | Construction method of novel vertical shaft horizontal rotation jet grouting pile foundation pit sealing bottom water-resisting layer | |
| CN101864962A (en) | Soft soil layer channel freezing underground excavation in-situ remediation construction method | |
| CN206800431U (en) | A kind of sealing bottom type caisson wall | |
| CN109853604A (en) | A kind of static pressure waterpower suction open caisson construction method | |
| CN110055973A (en) | Construction space foundation pit enclosure structure and water-stopping method under by high metal bridge in limited time | |
| CN206844192U (en) | The soft waterproof Special digging groove device of deep basal pit | |
| CN103114602B (en) | Foundation pit waterproof curtain achieving secondary melting mending through seepage dipping poly condensation bonding bodies and construction method | |
| CN111560964B (en) | Construction method of rear anti-seepage system of foundation pit | |
| CN203835401U (en) | Construction structure for arranging construction vertical shaft above underground engineering | |
| CN109252531A (en) | The waterproof curtain construction method that mixing pile or rotary churning pile are combined with sleeve valve barrel grouting | |
| CN211008655U (en) | Underpass subway supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |