CN204940315U - A kind of water-stopping system for the large-scale vertical shaft of region of FuShui - Google Patents
A kind of water-stopping system for the large-scale vertical shaft of region of FuShui Download PDFInfo
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- CN204940315U CN204940315U CN201520756291.7U CN201520756291U CN204940315U CN 204940315 U CN204940315 U CN 204940315U CN 201520756291 U CN201520756291 U CN 201520756291U CN 204940315 U CN204940315 U CN 204940315U
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- vertical shaft
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- stopping system
- dewatering
- fushui
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Abstract
The utility model discloses a kind of water-stopping system for the large-scale vertical shaft of region of FuShui, described vertical shaft comprises vertical shaft collar tie beam and vertical shaft just serves as a contrast, and described vertical shaft collar tie beam is connected to the top that vertical shaft just serves as a contrast; Described water-stopping system comprises advanced deep hole grouting equipment and large diameter well point dewatering equipment; The Grouting Pipe of advanced deep hole grouting equipment inserts the outside soil body by vertical shaft inside processing face; Large diameter well point dewatering equipment comprises at least one dewatering well, and dewatering well is arranged on vertical shaft current work face.Utilize the utility model water-stopping system can form the continuous sealing protecting crust in underground in side wall periphery, stop underground water infiltrates vertical shaft possibility by the soil body.After sealing protecting crust is formed, then carry out large diameter well point dewatering construction, its dewatering effect is obvious, and the features such as short construction period, can realize the Rapid Excavation of the vertical shaft earthwork.
Description
Technical field
The utility model belongs to vertical shaft dewatering construction technical field, particularly relates to a kind of water-stopping system for the large-scale vertical shaft of region of FuShui.
Background technology
At the area excavation deep shaft that groundwater table is higher, because aquifer is cut off, under differential pressure action, underground water constantly will inevitably enter vertical shaft by seepage flow, if do not carried out the work of vertical shaft Yield rainfall relation, vertical shaft will be caused to soak, construction condition is deteriorated, bearing capacity of foundation soil declines, also the phenomenons such as quicksand, piping and slope instability may be caused, therefore, for guaranteeing To Construction of Silo safety under flowing pressure effect, effective precipitation and drainage measure must be taked, also known as dewatering project.
In heat enginnering tunneling To Construction of Silo process, conventional precipitation, measures of preventing water have vacuum well-point dewatering and tunneling boring advanced deep hole grouting two kinds.Vacuum well-point dewatering is used for the slightly poor water table aquifer of soil condition, and the method is simple to operate, and dewatering effect is good, and efficiency is high.It is poor and occur the interlayer water layer of drift sand phenomenon that tunneling boring advanced deep hole grouting is used for soil condition, and the method has good stagnant water effect, but operation easier is large, and long construction period, cost is high.But limit by engineering total lever factor target, vertical shaft drift sand formation, as taked tunneling boring advanced deep hole grouting, will inevitably cause working-day claims.Therefore, a kind of novel precipitation, measures of preventing water must be researched and developed, guarantee the soil excavation safety under this engineering drift sand hydrogeological conditions and efficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of water-stopping system for the large-scale vertical shaft of region of FuShui.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of water-stopping system for the large-scale vertical shaft of region of FuShui, for carrying out precipitation to the intermediary water in To Construction of Silo process, described vertical shaft comprises vertical shaft collar tie beam and vertical shaft just serves as a contrast, and described vertical shaft collar tie beam is connected to the top that vertical shaft just serves as a contrast;
Described water-stopping system comprises advanced deep hole grouting equipment and large diameter well point dewatering equipment;
The Grouting Pipe of advanced deep hole grouting equipment inserts the outside soil body by vertical shaft inside processing face;
Large diameter well point dewatering equipment comprises at least one dewatering well, and dewatering well is arranged on vertical shaft current work face.
The utility model is as above for the water-stopping system of the large-scale vertical shaft of region of FuShui, and preferably, the insertion point of Grouting Pipe is positioned at vertical shaft inside, ringwise linear branch, and Grouting Pipe, after the soil body is inserted with different angles in insertion point, presents layered effect; Hoop pitch-row between insertion point is 1 ~ 2m.
The utility model is as above for the water-stopping system of the large-scale vertical shaft of region of FuShui, and preferably, described Grouting Pipe is
42 seamless steel pipes.
The utility model is as above for the water-stopping system of the large-scale vertical shaft of region of FuShui, and preferably, described seat dewatering well comprises
400 without sand filter water pipe, without sand filter water pipe outer wall bag one deck 60 ~ 80 object nylon wire.
The utility model is as above for the water-stopping system of the large-scale vertical shaft of region of FuShui, and preferably, the drilling diameter of described dewatering well is 500 ~ 600mm.
The utility model is as above for the water-stopping system of the large-scale vertical shaft of region of FuShui, and preferably, the quantity of described dewatering well is 2 ~ 3.
The beneficial effects of the utility model are:
Utilize the utility model water-stopping system to construct, the continuous sealing protecting crust in underground can be formed in side wall periphery, stop underground water infiltrates vertical shaft possibility by the soil body.After sealing protecting crust is formed, then carry out large diameter well point dewatering construction, its dewatering effect is obvious, and the features such as short construction period, can realize the Rapid Excavation of the vertical shaft earthwork.With carry out separately vertical shaft intermediary water compared with advanced tunneling boring deep hole grouting, between in the shaft, carrying out large diameter well point dewatering, while guarantee dewatering effect, shorten the engineering time, and save construction cost.
Accompanying drawing explanation
By detailed description done in conjunction with the following drawings, above-mentioned and/or other aspects of the present utility model and advantage will become clearer and be easier to understand, and these accompanying drawings just schematically, do not limit the utility model, wherein:
Fig. 1 is the water-stopping system schematic diagram for the large-scale vertical shaft of region of FuShui of a kind of embodiment of the utility model;
Fig. 2 is the cross sectional representation of Fig. 1.
In accompanying drawing, the list of parts representated by each label is as follows:
1, vertical shaft, 11, vertical shaft collar tie beam, 12, vertical shaft just serves as a contrast;
2, injected hole;
3, dewatering well;
4, the soil body is solidified.
Detailed description of the invention
Hereinafter, the embodiment of the water-stopping system for the large-scale vertical shaft of region of FuShui of the present utility model is described with reference to the accompanying drawings.
The embodiment recorded at this is specific detailed description of the invention of the present utility model, for illustration of design of the present utility model, is all explanatory and exemplary, should not be construed as the restriction to the utility model embodiment and the utility model scope.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and manual, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
The accompanying drawing of this manual is schematic diagram, and aid illustration design of the present utility model schematically shows shape and the correlation thereof of each several part.Note that the structure of each parts for the ease of clearly showing the utility model embodiment, not according to identical scale between each accompanying drawing.Identical reference marker is for representing identical part.
Fig. 1 and Fig. 2 illustrates a kind of water-stopping system for the large-scale vertical shaft of region of FuShui of the utility model, for carrying out precipitation to the intermediary water in To Construction of Silo process, described vertical shaft 1 comprises vertical shaft collar tie beam 11 and vertical shaft just serves as a contrast 12, and described vertical shaft collar tie beam 11 is connected to the top that vertical shaft just serves as a contrast 12;
Described water-stopping system comprises advanced deep hole grouting equipment and large diameter well point dewatering equipment;
The Grouting Pipe of advanced deep hole grouting equipment inserts the outside soil body by vertical shaft inside processing face;
Large diameter well point dewatering equipment comprises at least one dewatering well 4, and dewatering well is arranged on vertical shaft current work face.
In the water-stopping system for the large-scale vertical shaft of region of FuShui of the utility model above-described embodiment, the insertion point of Grouting Pipe is positioned at vertical shaft inside, ringwise linear branch, and Grouting Pipe, after the soil body is inserted with different angles in insertion point, presents layered effect; Hoop pitch-row between insertion point is 1 ~ 2m.Such as, in a kind of specific embodiment, same slip casting point inserts three Grouting Pipe, and every two Grouting Pipe fold certain angle (as 10 ~ 30 degree), form three layers of Grouting Pipe from top to bottom, as shown in Figure 2 in vertical shaft outside.
In the water-stopping system for the large-scale vertical shaft of region of FuShui of the utility model above-described embodiment, described Grouting Pipe is
42 seamless steel pipes.
In the water-stopping system for the large-scale vertical shaft of region of FuShui of the utility model above-described embodiment, described seat dewatering well comprises
400 without sand filter water pipe, without sand filter water pipe outer wall bag one deck 60 ~ 80 object nylon wire.
In the water-stopping system for the large-scale vertical shaft of region of FuShui of the utility model above-described embodiment, the drilling diameter of described dewatering well is 500 ~ 600mm.
In the water-stopping system for the large-scale vertical shaft of region of FuShui of the utility model above-described embodiment, the quantity of described dewatering well is 2 ~ 3.
The work progress of the water-stopping system for the large-scale vertical shaft of region of FuShui of the utility model above-described embodiment is as follows: first carry out advanced deep hole grouting sealing in vertical shaft side wall periphery, then in the shaft between carry out large diameter well point dewatering.
In fig. 1 and 2, vertical shaft 1 is made up of adjacent three split vertical shafts, and vertical shaft comprises vertical shaft and just serves as a contrast 12 and vertical shaft collar tie beam 11.Around vertical shaft, the stable solidification soil body 4 is formed by advanced deep hole grouting.
The measures of preventing water of tunneling boring advanced deep hole grouting under conventional drift sand hydrogeological conditions, though stagnant water effect is good, operation easier is large, and construction period is longer, and cost is high.After the water-stopping system construction utilizing vertical shaft drift sand formation to research and develop, the continuous sealing protecting crust in underground can be formed in side wall periphery, stop underground water infiltrates vertical shaft possibility by the soil body.After sealing protecting crust is formed, (sealing protecting crust is formed by solidifying the soil body 4, the described solidification soil body is mixed by cement-silicate dual slurry with the soil body and solidify to form), carry out large diameter well point dewatering construction again, because its dewatering effect is obvious, the features such as short construction period, can realize the Rapid Excavation of the vertical shaft earthwork.
In a kind of Specific construction process, vertical shaft just serves as a contrast side wall and adopts tilted in borehole wall slip casting method, and shaft excavation carries out interim back cover to during absolute altitude 10 ~ 15m place to excavation face, then beats injected hole 2; Inside vertical shaft, hoop beats inclination Grouting Pipe, and Grouting Pipe adopts
42 seamless steel pipes, along the pitch-row 1 ~ 2m of side ring in vertical shaft, three, same insertion point difference inserts the Grouting Pipe of angle, and horizontal insertion depth is 2.1m outside vertical shaft, and slurries adopt cement-silicate dual slurry; Three different Grouting Pipe inserting angle of same insertion point should carry out slip casting from bottom to top respectively.
In a kind of Specific construction process, during large diameter well point dewatering, in vertical shaft, dewatering well 3 is apart from first lining side wall 2 ~ 3m, and dewatering well adopts clean-out machine pore-forming, stratum from pulping retaining wall, drilling diameter 500 ~ 600mm.Adopt
400 without sand filter water pipe, degree of depth 8m, well casing outsourcing one deck 60 ~ 80 order nylon wire, bolt No. 8 iron wires, and pipe orifice joint place adopts glass wool cloth to paste, and is vertically fixed by 4 wide bamboo canes of 30mm.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the utility model.
Claims (6)
1. for a water-stopping system for the large-scale vertical shaft of region of FuShui, for carrying out precipitation to the intermediary water in To Construction of Silo process, it is characterized in that, described vertical shaft comprises vertical shaft collar tie beam and vertical shaft just serves as a contrast, and described vertical shaft collar tie beam is connected to the top that vertical shaft just serves as a contrast;
Described water-stopping system comprises advanced deep hole grouting equipment and large diameter well point dewatering equipment;
The Grouting Pipe of advanced deep hole grouting equipment enters the outside soil body by vertical shaft inside;
Large diameter well point dewatering equipment comprises at least one dewatering well, and dewatering well is arranged on vertical shaft current work face.
2. the water-stopping system for the large-scale vertical shaft of region of FuShui according to claim 1, is characterized in that, the insertion point of Grouting Pipe is positioned at vertical shaft inside, ringwise linear branch, and Grouting Pipe, after the soil body is inserted with different angles in insertion point, presents layered effect; Hoop pitch-row between insertion point is 1 ~ 2m.
3. the water-stopping system for the large-scale vertical shaft of region of FuShui according to claim 2, is characterized in that, described Grouting Pipe is
42 seamless steel pipes.
4. the water-stopping system for the large-scale vertical shaft of region of FuShui according to claim 1, is characterized in that, described seat dewatering well comprises
400 without sand filter water pipe, without sand filter water pipe outer wall bag one deck 60 ~ 80 object nylon wire.
5. the water-stopping system for the large-scale vertical shaft of region of FuShui according to claim 4, is characterized in that, the drilling diameter of described dewatering well is 500 ~ 600mm.
6. the water-stopping system for the large-scale vertical shaft of region of FuShui according to claim 4 or 5, is characterized in that, the quantity of described dewatering well is 2 ~ 3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756291.7U CN204940315U (en) | 2015-09-28 | 2015-09-28 | A kind of water-stopping system for the large-scale vertical shaft of region of FuShui |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756291.7U CN204940315U (en) | 2015-09-28 | 2015-09-28 | A kind of water-stopping system for the large-scale vertical shaft of region of FuShui |
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| CN204940315U true CN204940315U (en) | 2016-01-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397197A (en) * | 2018-03-05 | 2018-08-14 | 中国水利水电第五工程局有限公司 | A kind of suppleing level super thick soil property country rock shaft excavation method |
| CN110630270A (en) * | 2019-10-25 | 2019-12-31 | 中建八局轨道交通建设有限公司 | Drainage system for treating stagnant water between underground excavation shaft layers and construction method thereof |
| CN112031778A (en) * | 2020-09-11 | 2020-12-04 | 北京住总集团有限责任公司 | Construction method for shaft excavation based on multi-angle pre-reinforcement |
| CN112081176A (en) * | 2020-09-11 | 2020-12-15 | 北京住总集团有限责任公司 | Pressure-bearing water layer vertical shaft construction method based on non-dewatering drainage |
| CN112195938A (en) * | 2020-09-04 | 2021-01-08 | 北京市轨道交通建设管理有限公司 | Treatment method for water seepage of occlusive pile |
-
2015
- 2015-09-28 CN CN201520756291.7U patent/CN204940315U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397197A (en) * | 2018-03-05 | 2018-08-14 | 中国水利水电第五工程局有限公司 | A kind of suppleing level super thick soil property country rock shaft excavation method |
| CN110630270A (en) * | 2019-10-25 | 2019-12-31 | 中建八局轨道交通建设有限公司 | Drainage system for treating stagnant water between underground excavation shaft layers and construction method thereof |
| CN112195938A (en) * | 2020-09-04 | 2021-01-08 | 北京市轨道交通建设管理有限公司 | Treatment method for water seepage of occlusive pile |
| CN112031778A (en) * | 2020-09-11 | 2020-12-04 | 北京住总集团有限责任公司 | Construction method for shaft excavation based on multi-angle pre-reinforcement |
| CN112081176A (en) * | 2020-09-11 | 2020-12-15 | 北京住总集团有限责任公司 | Pressure-bearing water layer vertical shaft construction method based on non-dewatering drainage |
| CN112081176B (en) * | 2020-09-11 | 2022-02-01 | 北京住总集团有限责任公司 | Pressure-bearing water layer vertical shaft construction method based on non-dewatering drainage |
| CN114703921A (en) * | 2020-09-11 | 2022-07-05 | 北京住总集团有限责任公司 | Construction method for preventing surge based on temporary bottom sealing structure |
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