CN110409420A - Meet the diaphram wall that pitted surface has precipitation function concurrently - Google Patents
Meet the diaphram wall that pitted surface has precipitation function concurrently Download PDFInfo
- Publication number
- CN110409420A CN110409420A CN201910727023.5A CN201910727023A CN110409420A CN 110409420 A CN110409420 A CN 110409420A CN 201910727023 A CN201910727023 A CN 201910727023A CN 110409420 A CN110409420 A CN 110409420A
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- water tank
- reinforcement cage
- steel reinforcement
- round tube
- pitted surface
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- 238000001556 precipitation Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 136
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 230000002787 reinforcement Effects 0.000 claims abstract description 37
- 238000010276 construction Methods 0.000 claims abstract description 27
- 239000004567 concrete Substances 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims abstract description 8
- 238000011065 in-situ storage Methods 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0001—Rubbers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of diaphram walls met pitted surface and have precipitation function concurrently, it include steel reinforcement cage, round tube and water tank, round tube is in inside that is vertically arranged and being embedded in steel reinforcement cage, the top of round tube is stretched out from the top of steel reinforcement cage, water tank is fixed on the lower part for meeting pitted surface of steel reinforcement cage, water tank is connected with the bottom of round tube, water tank and round tube form closed connected system, the native face of meeting of water tank is respectively arranged with multiple inlet openings, and steel reinforcement cage is placed in groove and is formed with cast in situ ferroconcrete wall body by way of casting concrete.Water tank of the invention is prefabricated in advance, is embedded in diaphram wall meets pitted surface lower part, water tank (dewatering well) can come into operation at the end of construction, therefore on the inside of base pit engineering no longer need to that traditional dewatering well is arranged, duration and the cost of dewatering well is greatly saved.
Description
Technical field
The present invention relates to architectural engineering diaphram wall field, specifically a kind of underground met pitted surface and have precipitation function concurrently
Diaphragm wall.
Background technique
With the fast development of China's Urban Underground Space Excavation, large-scale subway system, basement in high rise building,
Underground station, sponge urban construction etc. all suffer from deep-foundation pit engineering, and diaphram wall has become city Deep Underground Space and opens
The common structure of hair is mainly reflected in that diaphram wall can not only be used for temporary support structures, also can be used as permanent structure, these
Proof has been obtained during the underground space development of big city in advantage.Diaphram wall have intercept water, antiseepage, load-bearing, gear
The functions such as water, good integrity, speed of application are fast, Construction Vibration is small, wall stiffness is big, are suitble to construct in intensive building
Deng, and be concerned and find broad application.
Traditional diaphram wall has the function of well to intercept water, antiseepage, when traditional diaphram wall bottom is embedded in water barrier,
The underground water of base pit engineering surrounding can not penetrate into inside foundation pit, and traditional dewatering well (pipe need to only be arranged on the inside of foundation pit at this time
Well well-points dewatering), by underground water potential drop on the inside of foundation pit to bottom plate hereinafter, as shown in Figure 1.
When well point is constructed, drill hole of drilling machine, borehole cleaning need to be passed through, well casing is hung, fill out multiple steps such as filtrate, well-flushing, installation water pump
Suddenly, it also needs to pull out well casing, shut-in well after the use of well point.One fairly large base pit engineering often needs to set a fairly large number of drop
Well, overall expenses is higher, and occupies construction site.
The problem of present invention is paid close attention to are as follows: in the base pit engineering using diaphram wall supporting, diaphram wall bottom is embedding
Enter in water barrier, underground water can not penetrate into inside foundation pit outside foundation pit, send out and open up a kind of novel dewatering well on the inside of foundation pit
Underground water in water-bearing layer carries out well-points dewatering, so that it had not only been able to satisfy the related request of precipitation, but also have easy construction, low cost
The characteristics of.
Summary of the invention
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of underground met pitted surface and have precipitation function concurrently
Diaphragm wall, water tank (dewatering well) is prefabricated, be embedded in steel reinforcement cage meet pitted surface lower part, water tank (dewatering well) is i.e. at the end of construction
It can come into operation, no longer need to that traditional dewatering well is separately provided, there is construction is simple, the feature of low cost.
In order to achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of diaphram wall met pitted surface and have precipitation function concurrently, it is characterised in that: include steel reinforcement cage, round tube and water storage
Case, the round tube are in inside that is vertically arranged and being embedded in the steel reinforcement cage, and the top of round tube is from the top of the steel reinforcement cage
It stretches out, the water tank is fixed on the lower part for meeting pitted surface of the steel reinforcement cage, and water tank is connected with the bottom of the round tube, storage
Water tank and the round tube form closed connected system, and the native face of meeting of water tank is respectively arranged with multiple inlet openings, the steel
It is formed with cast in situ ferroconcrete wall body in muscle cage merging groove and by way of casting concrete, constitutes diaphram wall；
Underground water passes through multiple inlet openings and enters, is stored in the water tank, then latent in the round tube bottom by being placed in
Water pump extracts earth's surface discharge out.
The diaphram wall met pitted surface and have precipitation function concurrently, it is characterised in that: the thickness of the water tank is little
In the half of the steel reinforcement cage thickness, the bottom surface of water tank is arc-shaped shape.
The diaphram wall met pitted surface and have precipitation function concurrently, it is characterised in that: the aperture of the multiple inlet opening
Rate is not less than 50%；Bind the multistorey strainer mesh for having pore size different in the outside of multiple inlet openings.
The diaphram wall met pitted surface and have precipitation function concurrently, it is characterised in that: the native face of meeting of the water tank exists
The surrounding of the multiple inlet opening is fixed with a circle rubber enclosing, and the rubber enclosing meets the height in native face apart from the water tank
Slightly larger than the gap between the steel reinforcement cage and groove.
The diaphram wall met pitted surface and have precipitation function concurrently, it is characterised in that: the water tank by steel or
Plastics are made, and water tank should have enough intensity and rigidity, do not occur to rupture and fail under construction loads and soil pressure effect.
Compared with prior art, the present invention has the advantage that
1, water tank of the invention is prefabricated in advance, is embedded in steel reinforcement cage meets the lower part of pitted surface, that is, is embedded in, at the end of construction
Water tank (dewatering well) can come into operation, therefore on the inside of base pit engineering no longer need to that traditional dewatering well is arranged, and drop is greatly saved
The construction period of well and cost, it is practical.
2, when reducing level of ground water inside foundation pit using traditional dewatering well, dewatering well is located on the inside of foundation pit, occupies construction
There are interference and influence in space on the construction of other work posts, and need to be blocked after use；And water tank of the present invention
(dewatering well) is placed in diaphram wall, is not take up construction space, such as can be without blocking without particular/special requirement after use.
3, the gully that the present invention is made of water tank and round tube, can be not only used for decompression of drawing water, also can be used as level of ground water
Peephole uses.
Detailed description of the invention
Fig. 1 is well-points dewatering schematic diagram on the inside of common foundation pit.
Fig. 2 is the three dimensional structure diagram of steel reinforcement cage in the present invention.
Fig. 3 is the three dimensional structure diagram one of water tank in the present invention.
Fig. 4 is the three dimensional structure diagram two of water tank in the present invention.
Fig. 5 is the three dimensional structure diagram for hiding the water tank after rubber enclosing.
Fig. 6 is three dimensional structure diagram of the invention.
Fig. 7 is the structural schematic diagram of groove in the present invention.
Fig. 8 is that the present invention hangs steel reinforcement cage schematic diagram.
Fig. 9 is casting concrete schematic diagram of the present invention.
Figure 10 is precipitation schematic diagram of the present invention.
Description of symbols: 1, traditional diaphram wall；2, traditional dewatering well；3, saturation after precipitation；4, steel reinforcement cage；5,
Water tank；6, multiple inlet openings；7, round tube；8, rubber enclosing；9, cast in situ ferroconcrete wall body；10, groove；A, water-bearing layer；
B, water barrier；Arrow indicates water flow movement direction of drawing water in figure.
Specific embodiment
Referring to attached drawing:
Traditional diaphram wall 1 is embedded in water barrier B, and traditional diaphram wall 1 has obstructed foundation pit outside underground water to base
Cheat internal penetration, it is only necessary to reduce water level to draw water on the inside of foundation pit, underground water is on excavation of foundation pit without influence on the outside of foundation pit.
Common practice is that traditional dewatering well 2 is arranged on the inside of foundation pit at present, reduces mine water position, as shown in Figure 1.
A kind of diaphram wall met pitted surface and have precipitation function concurrently includes steel reinforcement cage 4, round tube 7 and water tank 5, round tube 7
In vertically arranged and be embedded in the inside of steel reinforcement cage 4, the top of round tube 7 is stretched out from the top of steel reinforcement cage 4, and water tank 5 is fixed on
The lower part for meeting pitted surface of steel reinforcement cage 4, water tank 5 are connected with the bottom of round tube 7, and water tank 5 and round tube 7 form closed connected component
The native face of meeting of system, water tank 5 is respectively arranged with multiple inlet openings 6, and steel reinforcement cage 4 is placed in groove 10 and by casting concrete
Mode is formed with cast in situ ferroconcrete wall body 9, constitutes diaphram wall；Underground water passes through multiple inlet openings 6 and enters, is stored in
In water tank 5, then the extraction earth's surface discharge of the immersible pump by being placed in 7 bottom of round tube.
The side that above-mentioned " meeting pitted surface " pit earthwork referred to excavates.Above-mentioned " lower part " referred to, " inside ", "vertical",
The nouns of locality such as " bottom ", " top ", posture when being based on construction of diaphragm wall determine.Steel reinforcement cage 4 suspends in midair when construction
Above groove 10, and it is in plummet state, as shown in Fig. 8~Figure 10.Under this posture, to determine referring specifically to for each noun of locality
To the noun of locality that other places are mentioned in specification also is estimated to obtain by this posture.Above-mentioned orientation or positional relationship be based on
Orientation or positional relationship shown in the drawings, merely to description is convenient, rather than indicate or imply signified device or
Component must have a particular orientation, constructs and operate, therefore be not considered as limiting the invention.
The thickness of water tank 5 is not more than the half of 4 thickness of steel reinforcement cage, as shown in Fig. 2, on the one hand making coagulation when cast-in-place construction
It is native in the steel reinforcement cage 4 of effective 5 lower part of injection water tank and to be able to achieve and effectively vibrate, on the other hand make diaphram wall entirety
There is enough intensity, apparent strength weak layer will not be formed at water tank 5.
The bottom surface of water tank 5 is arc-shaped shape, and as shown in Fig. 3~Fig. 5, circular shape is convenient for the concrete of lower part to upstream
It is dynamic, and it is smaller to 5 impact force of water tank.
The height of water tank 5 is greater than the height of immersible pump, when immersible pump being made to enter 5 inside of water tank based on round tube 7, diving
The water inlet of pump is located in water tank 5.
The percent opening of multiple inlet openings 6 is not less than 50%；The outside binding of multiple inlet openings 6 has different more of pore size
Layer strainer, can prevent big partial size soil from entering the inside of water tank 5 by multiple inlet openings 6；It is placed in latent in 7 bottom of round tube
The underground water being stored in water tank 5 can be extracted to earth's surface and is discharged by water pump；It is multiple that " percent opening " refers to that water tank 5 meets Tu Mianshang
The area of inlet opening 6 meets the surface area ratio in native face with it.
Surrounding of the native face in multiple inlet openings 6 of meeting of water tank 5 is fixed with a circle rubber enclosing 8, and rubber enclosing 8 is apart from storage
Water tank 5 meets the height in native face slightly larger than the gap between steel reinforcement cage 4 and groove 10, when rubber enclosing 8 can prevent casting concrete
Concrete diffuses in the inside of water tank 5, and rubber enclosing 8 is resilient deformation under load action.
Water tank 5 is made of steel or plastics, and water tank 5 should have enough intensity and rigidity, in construction loads and soil pressure
Do not occur to rupture under power effect and fail.
Water tank 5 and round tube 7 form the drainage system of intercommunication.Since water tank 5 is prefabricated production, therefore a variety of public affairs can be taken
Know ancillary measure, it is ensured that the validity of drainage system makes displacement volume meet Drainage Design requirement.Water tank 5 and round tube 7 are on ground
The prefabricated completion in face, construction quality is controllable, meets the requirements its drainage performance.
What water tank 5 was formed on steel reinforcement cage 4 in advance meets pitted surface lower part, as shown in Figure 2.Diaphram wall after construction is as schemed
Shown in 6, the cast-in-place ordinary reinforced concrete wall 9 including being located at the water tank 5 and rest part of meeting pitted surface lower part.
When design, it should accurately determine the position of water tank 5, be located on water barrier B, and be located at containing for bottom of foundation ditch
Among water layer A, i.e., water tank 5 is located among the water-bearing layer A of foundation pit inside bottom after need to ensuring to construct, as shown in Figure 10.
Groundwater infiltration among the A of water-bearing layer is stored in water tank 5, then is drained by immersible pump extraction.
Round tube 7 is equivalent to the well casing of traditional dewatering well, can be made of plastic tube or steel pipe.Round tube 7 should have enough
Internal diameter sinks down into immersible pump inside water tank 5 based on the hole of round tube 7.Water band is connected on immersible pump, starts immersible pump
The underground water penetrated into inside water tank 5 is extracted to earth's surface discharge.After precipitation, immersible pump can be withdrawn from round tube 7, be moved
It removes, without pulling out round tube 7.
Construction method of the invention, is briefly discussed below:
(1), smooth location, surveying setting-out pour and lead wall, excavate groove 10, as shown in Figure 7.
(2), make steel reinforcement cage 4 in advance, and meet the fixed water tank 5 in pitted surface lower part in steel reinforcement cage 4, water tank 5 with 7 groups of round tube
At the drainage system of intercommunication, as shown in Fig. 2~Fig. 5；The lifting of steel reinforcement cage 4 is put into groove 10, and makes the side with water tank 5
On the inside of foundation pit, as shown in Figure 8.
The water tank 5 installed additional inside steel reinforcement cage 4 and 7 overall weight of round tube are smaller, will not be to the lifting construction of steel reinforcement cage 4
It has an impact.
When design, it should be ensured that water tank 5 is located on water barrier B, among the water-bearing layer A of bottom of foundation ditch.
(3), casting concrete, forms diaphram wall, and the rest part in addition to water tank 5 is that cast-in-place reinforcing bar is mixed
Solidifying cob wall body 9, as shown in Figure 9.
During casting concrete, however not excluded that part concrete enters multiple water inlets of water tank 5 through rubber enclosing 8
At hole 6, multiple inlet openings 6 may be blocked.Therefore before concrete initial set, the intermittent, period into water tank 5 of round tube 7 can be based on
Property inflation, with gas dredging, remove the concrete of ot-yet-hardened at multiple inlet openings 6, block multiple inlet openings 6 will not,
Prevent multiple inlet openings 6 from losing pervious function.
(4), excavation can gradually extract underground based on the immersible pump for being set to 7 bottom of round tube in digging process
Water.When excavation of foundation pit to designed elevation, underground water is down to design water level based on the dewatering well in diaphram wall, finally formed
Saturation 3 meets construction requirement after precipitation, as shown in Figure 10.
Due in diaphram wall insertion water barrier B, diaphram wall has obstructed outside foundation pit underground water to inside foundation pit
Infiltration, therefore only need to reduce water level to draw water on the inside of foundation pit, and it is set to drawing water in foundation pit inside bottom water tank 5
System, which can carry out the underground water inside foundation pit to extract, drains.
Generally, foundation pit surrounding is distributed evenly according to a certain number of dewatering wells of design scheme.It is dropped in design arrangement
The position of well just using the diaphram wall for setting water tank 5 in mentioning, makes inside dewatering well setting diaphram wall.And not
The position of dewatering well is set, traditional cast-in-situ steel reinforced concrete diaphram wall is still used.As it can be seen that without all unit groove sections
Dewatering well is arranged in diaphram wall, only on-demand reasonable Arrangement.
Water tank 5 is prefabricated in advance, is embedded in diaphram wall lower inside, is embedded in ground at the end of construction of diaphragm wall
The water tank 5 (dewatering well) of lower diaphragm wall inside bottom can come into operation, therefore no longer need to be arranged on the inside of base pit engineering traditional
Duration and the cost of dewatering well is greatly saved in dewatering well, practical；Under reducing foundation pit internally using traditional dewatering well
When water level, dewatering well is located on the inside of foundation pit, occupies construction space, has interference and influence to the construction of other work posts, and use terminates
After need to be blocked；And water tank 5 (dewatering well) of the present invention is placed in diaphram wall, is not take up construction space, using terminating
It afterwards such as can be without blocking without particular/special requirement；The gully being made of water tank 5 and round tube 7, can be not only used for decompression of drawing water, can also
It is used as observation of groundwater levels hole.
The partial shape and part connection type for meeting the diaphram wall that pitted surface has precipitation function concurrently are shown only in attached drawing,
According to mentioned thinking, thus it is possible to vary shape, the connection type of each section of each component (water tank, round tube) form other correlations
The diaphram wall of type met pitted surface and have precipitation function concurrently, belongs to equivalent modifications and change of the invention, herein no longer
It repeats.
Attached drawing only for illustration, is not considered as limiting the invention；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, is not considered as limiting the invention.
The present invention is not limited to above-mentioned specific embodiment, according to above content, according to the ordinary technical knowledge of this field
And customary means, under the premise of not departing from above-mentioned basic fundamental thought of the invention, the present invention can also make other diversified forms
Equivalent modifications, replacement or change, be within the scope of the present invention.
Claims (5)
1. a kind of diaphram wall met pitted surface and have precipitation function concurrently, it is characterised in that: include steel reinforcement cage, round tube and water storage
Case, the round tube are in inside that is vertically arranged and being embedded in the steel reinforcement cage, and the top of round tube is from the top of the steel reinforcement cage
It stretches out, the water tank is fixed on the lower part for meeting pitted surface of the steel reinforcement cage, and water tank is connected with the bottom of the round tube, storage
Water tank and the round tube form closed connected system, and the native face of meeting of water tank is respectively arranged with multiple inlet openings, the steel
Cast in situ ferroconcrete wall body is formed in muscle cage merging groove and by way of casting concrete.
2. the diaphram wall according to claim 1 met pitted surface and have precipitation function concurrently, it is characterised in that: the water tank
Thickness be not more than the steel reinforcement cage thickness half, the bottom surface of water tank is arc-shaped shape.
3. the diaphram wall according to claim 1 met pitted surface and have precipitation function concurrently, it is characterised in that: it is the multiple into
The percent opening in water hole is not less than 50%；Bind the multistorey strainer mesh for having pore size different in the outside of multiple inlet openings.
4. the diaphram wall according to claim 1 met pitted surface and have precipitation function concurrently, it is characterised in that: the water tank
Surrounding of the native face in the multiple inlet opening of meeting be fixed with a circle rubber enclosing, the rubber enclosing is met apart from the water tank
The height in native face is slightly larger than the gap between the steel reinforcement cage and groove.
5. the diaphram wall according to claim 1 met pitted surface and have precipitation function concurrently, it is characterised in that: the water storage
Case is made of steel or plastics, and water tank should have enough intensity and rigidity, does not occur under construction loads and soil pressure effect
Rupture and failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727023.5A CN110409420B (en) | 2019-08-07 | 2019-08-07 | Underground continuous wall with pit facing surface and precipitation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727023.5A CN110409420B (en) | 2019-08-07 | 2019-08-07 | Underground continuous wall with pit facing surface and precipitation function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110409420A true CN110409420A (en) | 2019-11-05 |
| CN110409420B CN110409420B (en) | 2024-04-16 |
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| CN201910727023.5A Active CN110409420B (en) | 2019-08-07 | 2019-08-07 | Underground continuous wall with pit facing surface and precipitation function |
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Cited By (3)
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| CN111305180A (en) * | 2020-02-24 | 2020-06-19 | 姚燕明 | Foundation pit confined water early warning equipment system and monitoring method |
| CN111441722A (en) * | 2020-03-24 | 2020-07-24 | 中国二十冶集团有限公司 | Drilling construction method for pressure-bearing-resistant underwater dewatering well in ultra-deep foundation pit surrounded by ground wall |
| CN114382073A (en) * | 2021-12-30 | 2022-04-22 | 中铁十四局集团有限公司 | Underground continuous wall system for protecting spring veins or underground water and construction method thereof |
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| CN211036962U (en) * | 2019-08-07 | 2020-07-17 | 中煤第三建设（集团）有限责任公司 | Underground continuous wall with pit-facing surface and dewatering function |
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| JP2004360259A (en) * | 2003-06-03 | 2004-12-24 | Taisei Corp | Basic structure of structure |
| CN108193666A (en) * | 2018-01-09 | 2018-06-22 | 中铁十六局集团北京轨道交通工程建设有限公司 | Underground continuous wall groove segment and diaphram wall |
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|---|---|---|---|---|
| CN111305180A (en) * | 2020-02-24 | 2020-06-19 | 姚燕明 | Foundation pit confined water early warning equipment system and monitoring method |
| CN111305180B (en) * | 2020-02-24 | 2024-05-17 | 宁波市轨道交通集团有限公司 | Early warning equipment system and monitoring method for foundation pit confined water |
| CN111441722A (en) * | 2020-03-24 | 2020-07-24 | 中国二十冶集团有限公司 | Drilling construction method for pressure-bearing-resistant underwater dewatering well in ultra-deep foundation pit surrounded by ground wall |
| CN111441722B (en) * | 2020-03-24 | 2021-12-07 | 中国二十冶集团有限公司 | Drilling construction method for pressure-bearing-resistant underwater dewatering well in ultra-deep foundation pit surrounded by ground wall |
| CN114382073A (en) * | 2021-12-30 | 2022-04-22 | 中铁十四局集团有限公司 | Underground continuous wall system for protecting spring veins or underground water and construction method thereof |
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| CN110409420B (en) | 2024-04-16 |
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