CN209508996U - A kind of water stop curtain structure - Google Patents
A kind of water stop curtain structure Download PDFInfo
- Publication number
- CN209508996U CN209508996U CN201920074118.7U CN201920074118U CN209508996U CN 209508996 U CN209508996 U CN 209508996U CN 201920074118 U CN201920074118 U CN 201920074118U CN 209508996 U CN209508996 U CN 209508996U
- Authority
- CN
- China
- Prior art keywords
- water
- stop curtain
- stake
- curtain structure
- gravel
- 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.)
- Expired - Fee Related
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses a kind of water stop curtain structures, the water stop curtain structure is combined by multiple water-stop curtain stake groups arranged side by side, each adjacent water-stop curtain stake, which mutually overlaps, forms multiple overlaps, each water-stop curtain stake is by being located at the upper part of argillic horizon and being grouped as positioned at the lower part of gravel layer, gravel layer thickness is greater than 10m, the partial size of circle gravel is 20-100mm, the water-stop curtain stake is by rotary drilling rig pilot hole, through three axes agitating pile made of the stirring of three axis blenders after filling soil cement.The utility model water-stop curtain is suitable for deep gravel layer, gravel layer thickness is greater than 10m, the earth formation that the partial size of circle gravel is 20-100mm, using rotary digging (long spire) drilling machine pilot hole, priming petock soil, multiple three axes agitating piles made of being stirred by three axis blenders are formed by overlapping side by side, solve the problems, such as that deep gravel layer is difficult to form water-stop curtain.
Description
Technical field
The utility model belongs to technical field of buildings, and in particular to a kind of water stop curtain structure.
Background technique
In the foundation pit supporting project of city, to be often related to foundation pit sealing, these processing usually require water-stop curtain, sealing
There are many patterns for curtain, such as using the rotation that adds high pressure between plain concrete (clay) and armored concrete interlocking pile, reinforced concrete pile
Wall, high-pressure rotary jet grouting pile, TRD water-stop curtain etc. are continuously stirred in spray stake, underground deeply.
With the exploitation of the underground space, urban architecture, municipal administration, deep-foundation pit engineering scale are increasing, ultra-deep foundation pit engineering
Become an indispensable engineering in urban development, in practice process, water-stop curtain construction is in deep gravel layer
One difficult point, this is because it is big by pore-forming resistance, it cannot descend to bore, and at high cost；In addition, the depth of water-stop curtain generally requires
Relatively depth or soil layer deep have rubble, cementing piece, close sand granulosa and there is complex situations, the deep-mixed pile such as underground water to be difficult to
Achieve the purpose that sealing.
To achieve the goals above, special to propose the utility model.
Utility model content
In order to solve problem above of the existing technology, the utility model provides a kind of water stop curtain structure, this reality
With novel water-stop curtain construction is simple, at low cost, water-stagnating effect is good.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of water stop curtain structure, the water stop curtain structure are combined by multiple water-stop curtain stake groups arranged side by side, often
A adjacent water-stop curtain stake, which mutually overlaps, forms multiple overlaps, each water-stop curtain stake is by positioned at the upper part of argillic horizon
It is grouped as with the lower part for being located at gravel layer, gravel layer thickness is greater than 10m, and the partial size of circle gravel is 20-100mm, the sealing curtain
Curtain stake is by rotary drilling rig pilot hole, priming petock soil, through three axes agitating pile made of the stirring of three axis blenders.
Since 2 thickness of gravel layer is greater than 10m, the partial size of circle gravel is that construction water-stop curtain is relatively difficult under 20-100mm, is adopted
It is difficult with being bored under tri-axes deep mixing, or even it is unable to pore-forming, current ultra-deep tri-axes deep mixing stake, can construct 8-30m in gravel layer,
It is difficult to solve the requirement of water seal for deep foundation pit curtain length, the utility model uses rotary drilling rig pilot hole, and rotary drilling rig uses long spiral shell
Rotary drill machine, pitch of holes is depending on the bit diameter of three axis blenders, using measures such as mud off or casings when rotary digging pilot hole.
Further, the soil cement is that cement is mixed with soil according to mass ratio 1:10-30, the slump of soil cement
Degree is 160-220mm.
Further, in two adjacent water-stop curtain stakes one of water-stop curtain pile center to another water-stop curtain
The distance of pile center is 900-1500mm.
Further, the bit diameter of the three axis blenders is identical, the diameter be 650mm, 850mm or
1000mm。
Further, one layer of protective layer is fixedly installed between the water stop curtain structure and foundation pit walls.
Further, the protective layer includes steel mesh lamella and waterproof roll layer.
Further, the two sides of the overlap are respectively equipped with the water-seal pile for playing sealing effect.With existing skill
Art is compared, the utility model has the following beneficial effects:
The utility model water-stop curtain is suitable for deep gravel layer, and gravel layer thickness is greater than 10m, and the partial size of circle gravel is 20-
The earth formation of 100mm, using rotary drilling rig pilot hole, filling soil cement, multiple three axis made of being stirred by three axis blenders
Mixing pile is formed by overlapping side by side, solves the problems, such as that deep gravel layer is difficult to form water-stop curtain；And the water-stop curtain of preparation
Globality and compactness are good, are equipped with water-seal pile in two sides, effectively can prevent underground water from leaking, water-stagnating effect is good.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the water stop curtain structure of the utility model；
Fig. 2 is another structural schematic diagram of the water stop curtain structure of the utility model.
1- argillic horizon in figure；2- gravel layer；3- water-stop curtain stake；31- water-stop curtain stake is located at the upper part of argillic horizon；
32- water-stop curtain stake is located at gravel layer；4- overlap.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figs. 1-2, present embodiment discloses a kind of water stop curtain structures, and the water stop curtain structure is by arranged side by side
Multiple water-stop curtain stakes 3 form, and each adjacent water-stop curtain stake 3 mutually overlap joint forms multiple overlaps 4, each sealing curtain
By being located at the upper part 31 of argillic horizon 1 and forming positioned at the lower part 32 of gravel layer, 2 thickness of gravel layer is greater than 10m, circle for curtain stake 3
The partial size of gravel is 20-100mm, and the water-stop curtain stake 3 uses long-spiral drilling machine by rotary drilling rig pilot hole, rotary drilling rig, fills
Soil is filled the water, through three axes agitating pile made of the stirring of three axis blenders.
2 thickness of gravel layer is greater than 10m, and the partial size of circle gravel is that construction water-stop curtain is relatively difficult under 20-100mm, using three
It is difficult that axis stirs lower brill deeply, or even is unable to pore-forming, and current ultra-deep tri-axes deep mixing stake, can construct 8-30m in gravel layer, it is difficult to
The requirement of water seal for deep foundation pit curtain length is solved, the utility model uses rotary drilling rig pilot hole, the rotary drilling rig of the utility model
For long-spiral drilling machine, for pitch of holes depending on the bit diameter of three axis blenders, when rotary digging pilot hole, uses mud off or casing
Equal measures.
The soil cement is that cement is mixed with soil according to mass ratio 1:10-30, and the slump of soil cement is 160-
220mm after maintenance 1-3 days, stirs to form water stop curtain structure using three axis blenders.
The utility model uses soil cement, returns out ground after filling mud pressure in hole from hole bottom, is recycled；Using this
The cement of utility model and intensity under the mass ratio of soil are lower, and the quality of the water of addition influences the size of the slump, further
Scheme, can be added in soil cement early strength agent and chicken girt etc. increase soil cement intensity auxiliary material.
One of water-stop curtain pile center is to another water-stop curtain pile center in two adjacent water-stop curtain stakes 3
Distance is 900-1500mm.The bit diameter of the three axis blenders is identical, the diameter be 650mm, 850mm or
1000mm。
Since the diameter in hole and the diameter of drill bit are related, the drill bit of different-diameter forms different apertures, thus sealing
The aperture of curtain pile also can be different, can be selected according to actual condition of construction.
Further embodiment is fixedly installed one layer of protective layer between the water stop curtain structure and foundation pit walls, described
Protective layer include steel mesh lamella and waterproof roll (not marked in figure).
The protective layer that the water stop curtain structure of the utility model is arranged between foundation pit walls is sealing in order to further increase
Performance, while intensity can be increased using steel mesh lamella.
The water stop curtain structure of the utility model is respectively equipped with one in the two sides of overlap 4 and plays stopping for sealing effect
Water stake.
The purpose being arranged in this way is possible to generate due to being overlap joint between adjacent water-stop curtain stake 3 in overlap 4
The case where leak, the utility model increase a water-seal pile in the two sides of overlap 4, not only avoid the production of water leakage situation
It is raw, and can also play the role of reinforcing reinforcement, the intensity of weakness zone is increased, the water body even avoided outside foundation pit is reduced
It flows into foundation pit and the case where leak occurs, play the effect of sealing.The water-seal pile of the utility model passes through made of cement mixing only
Water stake.
The utility model water-stop curtain is suitable for deep gravel layer, and gravel layer thickness is greater than 10m, and the partial size of circle gravel is 20-
The earth formation of 100mm, using rotary drilling rig pilot hole, filling soil cement, multiple three axis made of being stirred by three axis blenders
Mixing pile is formed by overlapping side by side, solves the problems, such as that deep gravel layer is difficult to form water-stop curtain；And the water-stop curtain of preparation
Globality and compactness are good, are equipped with water-seal pile in two sides, effectively can prevent underground water from leaking, water-stagnating effect is good.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of water stop curtain structure, which is characterized in that the water stop curtain structure is by multiple water-stop curtain stake groups arranged side by side
It is combined into, each adjacent water-stop curtain stake, which mutually overlaps, forms multiple overlaps, each water-stop curtain stake is by being located at clay
Layer upper part and be grouped as positioned at the lower part of gravel layer, gravel layer thickness be greater than 10m, circle gravel partial size be 20-100mm, institute
The water-stop curtain stake stated is by rotary drilling rig pilot hole, priming petock soil, through three axes agitating pile made of the stirring of three axis blenders.
2. water stop curtain structure according to claim 1, which is characterized in that the soil cement is cement and soil according to matter
Amount is mixed than 1:10-30, and the slump of soil cement is 160-220mm.
3. water stop curtain structure according to claim 1, which is characterized in that wherein one in two adjacent water-stop curtain stakes
The distance of a water-stop curtain pile center to another water-stop curtain pile center is 900-1500mm.
4. water stop curtain structure according to claim 1, which is characterized in that the bit diameter of the three axis blenders is
650mm, 850mm or 1000mm.
5. water stop curtain structure according to any one of claims 1-4, which is characterized in that the water stop curtain structure
One layer of protective layer is fixedly installed between foundation pit walls.
6. water stop curtain structure according to claim 5, which is characterized in that the protective layer include steel mesh lamella and
Waterproof roll layer.
7. water stop curtain structure according to claim 1, which is characterized in that the two sides of the overlap are respectively equipped with one
A water-seal pile for playing sealing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920074118.7U CN209508996U (en) | 2019-01-16 | 2019-01-16 | A kind of water stop curtain structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920074118.7U CN209508996U (en) | 2019-01-16 | 2019-01-16 | A kind of water stop curtain structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209508996U true CN209508996U (en) | 2019-10-18 |
Family
ID=68201066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920074118.7U Expired - Fee Related CN209508996U (en) | 2019-01-16 | 2019-01-16 | A kind of water stop curtain structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209508996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074920A (en) * | 2020-01-16 | 2020-04-28 | 周同和 | Construction method for inserting anti-seepage blanket into cement-soil continuous wall to form composite curtain and composite curtain prepared by construction method |
-
2019
- 2019-01-16 CN CN201920074118.7U patent/CN209508996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074920A (en) * | 2020-01-16 | 2020-04-28 | 周同和 | Construction method for inserting anti-seepage blanket into cement-soil continuous wall to form composite curtain and composite curtain prepared by construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202337983U (en) | Ejector, drill combination structure and combination drilling tools | |
| Bell | Methods of treatment of unstable ground | |
| CN104612179B (en) | Through the construction method of the diaphram wall of super thick silty sand ground | |
| CN104612143A (en) | Bored composite pile structure under karst cave/soil cave geological condition | |
| CN107989032A (en) | A kind of construction method of punching interlocking pile | |
| CN103015429A (en) | Long auger rotary-jet mixing steel reinforced cement-soil pile foundation pit water-resisting and supporting method | |
| CN105970946A (en) | Basalt fiber reinforced cement soil mixing pile and construction method thereof | |
| CN104196017A (en) | Method for preventing lava zone hole punching/drilling cast-in-place pile mud leakage and hole collapse | |
| CN105525619A (en) | Occlusive pipe curtain for bored tunnel in water-rich stratum and construction method of occlusive pipe curtain | |
| CN112112654A (en) | Isolation plate structure in upper soft and lower hard stratum and construction method thereof | |
| CN209508996U (en) | A kind of water stop curtain structure | |
| CN201459737U (en) | Foundation pit supporting structure | |
| CN107268608A (en) | Building waste earth-boring stake forming hole method | |
| CN110468828A (en) | A kind of construction method of pattern foundation pit supporting structure water-stop continuous wall | |
| CN111424695B (en) | Seepage-proofing and leakage-stopping method for deep-buried karst pipeline | |
| CN112012746A (en) | Construction method of railway tunnel deep and large vertical shaft under condition of thick-layer water-rich broken zone | |
| CN101793024B (en) | Construction method for multi-head small-diameter deep mixing and high-pressure jet combined anti-seepage wall of foundation pit | |
| CN114737979B (en) | Construction method for continuously passing large-diameter water conveying pipeline downwards in shield region | |
| CN110318392A (en) | A kind of major diameter cement earth pile method of construction | |
| CN205296194U (en) | Rich irrigated land layer undercut tunnel interlock pipe curtain | |
| CN207647514U (en) | A kind of shield tunnel vertical shaft end bracing means | |
| CN101709579B (en) | Construction method of conjoined mortar piling wall | |
| CN112982374A (en) | Multilayer goaf drilling and grouting method | |
| CN1069093A (en) | Stabilization method for concrete structure pressed and filled by expanded agent cement paste | |
| CN205369235U (en) | High pressure jet grouting pile structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20220116 |