CN206916753U - A kind of water sealing structure of diaphram wall and its seam crossing - Google Patents
A kind of water sealing structure of diaphram wall and its seam crossing Download PDFInfo
- Publication number
- CN206916753U CN206916753U CN201720861806.9U CN201720861806U CN206916753U CN 206916753 U CN206916753 U CN 206916753U CN 201720861806 U CN201720861806 U CN 201720861806U CN 206916753 U CN206916753 U CN 206916753U
- Authority
- CN
- China
- Prior art keywords
- wall
- diaphragm wall
- seam
- diaphragm
- diaphram
- 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 diaphram wall and its water sealing structure of seam crossing, wherein the water sealing structure of diaphram wall seam crossing includes the first diaphragm wall and the second diaphragm wall, first diaphragm wall and the second diaphragm wall junction are provided with protuberance, second diaphragm wall is provided with the inner fovea part being engaged with protuberance with the first diaphragm wall junction, protuberance and inner fovea part junction are provided with copper seal close to the side seams for meeting native face, first diaphragm wall and the second diaphragm wall junction both sides are equipped with pilaster, multigroup triaxial cement mixing pile is provided with the outside of pilaster to be used to block into water route, pilaster and the first diaphragm wall, second diaphragm wall junction is provided with the high-pressure rotary jet grouting pile for sealing.For the utility model by above-mentioned setting, triaxial cement mixing pile has blocked the path of moisture infiltration, and high-pressure rotary jet grouting pile seals the external joint of diaphram wall, and inside setting copper seal further prevents the infiltration of moisture, reaches the effect of effective waterproof.
Description
Technical field
It the utility model is related to Base hole supporting technology field, the sealing of more particularly to a kind of diaphram wall and its seam crossing
Structure.
Background technology
Existing deep foundation pit support form is varied, but has its applicable different condition and different limitations,
The wherein support pattern of diaphram wall uses because having the advantages that noise is small, rigidity is big, stability is high, applied widely
Ground is relatively broad.
Authorization Notice No. is CN203222815U Chinese patent document《A kind of combined type formed using diaphram wall
Basement structure outer wall constructs》In disclose a kind of support pattern of deep basal pit, using diaphram wall and armored concrete or
Armored concrete adds steel pipe to be horizontally supported as construction stage foundation ditch extraordinary maintenance structure, is outside diaphram wall and basement
Liu is provided with certain space between wall, and space interior edge diaphram wall to the outer wall of basement sets gradually waterproof layer, drain pipe, guarantor
Warm layer, the water on the inside of diaphram wall is drained under basement bottom board by drain pipe, reaches the effect of sealing.
But the diaphram wall used in such scheme is merely able to barricade during as the basement construction stage, to it
His structure has no effect, and builds diaphram wall and set basement structure outer wall again, and cost is too big, and cost is too high.Cause
This, can be directly using diaphram wall as basement structure outer wall, and then unifies two walls in structure, but simultaneously, also need
One is provided effectively for the waterproof water sealing structure of seam crossing during construction of diaphragm wall.
Utility model content
First purpose of the present utility model is to provide a kind of water sealing structure of diaphram wall seam crossing, and having can be effective
Mitigate diaphram wall seam crossing and the effect of Seepage occur.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of diaphram wall connects
The both sides of water sealing structure at seam, including the first diaphragm wall and the second diaphragm wall, the first diaphragm wall and the second diaphragm wall are tight respectively
It is affixed on the upstream face of the supported soil body and the back side close to interior of building.First diaphragm wall is set with the second diaphragm wall junction
Seam, the first diaphragm wall are provided with protuberance in seam crossing, and the second diaphragm wall is in seam crossing is provided with and is engaged with protuberance
Recess, seam crossing are provided with copper seal, and copper seal is fixed on protuberance in the side side wall of upstream face, and seam is close to meet
Water surface side is provided with pilaster, and side of the pilaster away from seam, which is provided with, to be used to block the triaxial cement mixing pile into water route, wall
The relative both sides side-walls that post is connected with the first diaphragm wall, the second diaphragm wall are provided with high-pressure rotary jet grouting pile.
By using above-mentioned technical proposal, triaxial cement mixing pile has blocked the path of moisture infiltration, high-pressure rotary jet grouting pile
By spraying, slurry seals the external joint of diaphram wall, and internal setting copper seal further prevents oozing for moisture
Thoroughly, the effect of effective waterproof is reached.
It is of the present utility model to be further arranged to：Copper seal width is more than the length of protuberance, and both sides stretch into the
Inside one diaphragm wall and the second diaphragm wall.
By using above-mentioned technical proposal, copper seal both sides are poured into inside the first diaphragm wall and the second diaphragm wall,
Seepage paths during moisture penetration being extended, by have also been enlarged the sealing scope of seam crossing, preventing the moisture penetration of seam both sides from entering ground
Continue to permeate by seam again after lower diaphragm wall, avoid the occurrence of Seepage.
It is of the present utility model to be further arranged to：First diaphragm wall and the second diaphragm wall length are all mutually 6m-8m, and width is
600mm-1000mm。
By using above-mentioned technical proposal, the length and width of diaphram wall is rationally set, can farthest be protected
The quality after construction casting finished product is demonstrate,proved, prevents the one-time-concreting scale of construction from causing very much the mass defects such as leakiness of vibrating greatly, so as to avoid
Diaphram wall barrier performance itself declines to a great extent.
It is of the present utility model to be further arranged to：Overlap is provided between every two of triaxial cement mixing pile, is overlapped
Partial-length is more than or equal to the 10% of triaxial cement mixing pile maximum diameter of pile.
By using above-mentioned technical proposal, triaxial cement mixing pile forms continuous stake group, along connecing for diaphram wall
Continuous and sealing water-stop curtain is formed at seam, the further seepage paths for increasing moisture, reaches the effect for strengthening waterproof.
It is of the present utility model to be further arranged to：Between triaxial cement mixing pile and the first diaphragm wall and the second diaphragm wall
Gap, gap width 100mm-200mm be present.
By using above-mentioned technical proposal, the spacing between triaxial cement mixing pile and diaphram wall is rationally set,
The excessive waterproof effect for causing triaxial cement mixing pile of spacing is set to be decreased obviously, setting spacing, too small to be unfavorable for underground continuous
Earth excavation during wall grooving, influences the stability after the grooving of diaphram wall, is also unfavorable for stability during mud off.
It is of the present utility model to be further arranged to：Clinch is provided between high-pressure rotary jet grouting pile and triaxial cement mixing pile,
And clinch length is 200mm-400mm.
By using above-mentioned technical proposal so that high-pressure rotary jet grouting pile and triaxial cement mixing pile be linked to be one it is continuous close
Envelope is overall, has blocked the permeation pathway of diaphram wall seam crossing moisture, forms reliable water protecting curtain together.
Second purpose of the present utility model is to provide a kind of diaphram wall, also can while having effective sealing effect
Make overall more firm effect.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of diaphram wall,
Include the water sealing structure of at least one diaphram wall seam crossing, the top of the water sealing structure of diaphram wall seam crossing, which is provided with, to be led to
Long armored concrete Guan Liang.
By using above-mentioned technical proposal, after the completion of at least one section of the first diaphragm wall and the second construction of diaphragm wall, then
Elongated armored concrete Guan Liang is poured at the top of it so that concrete bonds even closer with diaphram wall so that underground
Diaphragm wall turns into the more firm entirety of an entirety.
In summary, the utility model has the advantages that：Triaxial cement mixing pile has blocked moisture infiltration
Path, high-pressure rotary jet grouting pile seal the external joint of diaphram wall, simultaneously because high-pressure rotary jet grouting pile and triaxial cement stirring
Stake mutually overlap joint turns into continuous and sealing a water-stop curtain, then the copper seal by being set inside diaphram wall enters one
Step prevents the infiltration of moisture, is finally reached the effect of effective waterproof.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of the present embodiment one, is mainly presented with the first diaphragm wall and the second diaphragm wall junction
The water sealing structure that seam is set, include triaxial cement mixing pile, high-pressure rotary jet grouting pile, pilaster, protuberance, inner fovea part and stop
Water copper sheet；
Fig. 2 is the structural representation of joint case；
Fig. 3 is the overall structure diagram of the present embodiment two, basically illustrates the first diaphragm wall, the second diaphragm wall and Guan Liang
Between position relationship.
In figure：1st, the first diaphragm wall；11st, protuberance；2nd, the second diaphragm wall；21st, inner fovea part；3rd, copper seal；4th, pilaster；
5th, triaxial cement mixing pile；51st, gap；6th, high-pressure rotary jet grouting pile；7th, Guan Liang；8th, upstream face；9th, back side；10th, seam；101、
Joint case；102nd, groove.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Specific embodiment is only that it is not to limitation of the present utility model, this area to explanation of the present utility model
Technical staff can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but only
All to be protected in right of the present utility model by Patent Law.
Embodiment one：A kind of water sealing structure of diaphram wall seam crossing, as shown in figure 1, including the first diaphragm wall 1 and
The both sides of two diaphragm walls 2, the first diaphragm wall 1 and the second diaphragm wall 2 are to be close to the upstream face 8 of the supported soil body and close respectively
The back side 9 of interior of building.
As shown in figure 1, the first diaphragm wall 1 and the junction of the second diaphragm wall 2 are provided with seam 10, the first diaphragm wall 1 is in seam
Outwardly protuberance 11 is provided with 10, and the second diaphragm wall 2 is provided with the indent being engaged with protuberance 11 at seam 10
Portion 21, protuberance 11 are fixed with copper seal 3 in the side side wall of upstream face 8, and it is continuous that the one end of copper seal 3 stretches into first
Inside wall 1.
The foundation trench that the first diaphragm wall 1 is first carried out during construction is excavated, and close patch is provided with the end of foundation trench one end after grooving
Together in the joint case 101 of the soil body（Referring to Fig. 2）, the length of joint case 101 is equal to the depth of foundation trench and width is equal to foundation trench width, connects
Side side of the head case 101 away from the soil body is provided with the groove 102 of indent, and the length of groove 102 is equal to the length of joint case 101.
After the installation of joint case 101, steel reinforcement cage is hung into foundation trench, while steel reinforcement cage is installed, copper seal 3 is fixed on reinforcing bar
On cage, and copper seal 3 fits in groove 102 in the side side wall of upstream face 8, and the length of copper seal 3 is equal to steel reinforcement cage
Length and width are more than the width of the side wall of groove 102.
After the completion of above-mentioned work, start the casting concrete into foundation trench, it is after concrete initial set, joint case 101 is upward
Detach foundation trench so that foundation trench end is provided with the protuberance 11 in outwardly concrete.Treat that the concrete of the first diaphragm wall 1 reaches
When meeting intensity, the foundation trench for continuing the second diaphragm wall 2 from the one end for being provided with joint case 101 excavates, after the grooving of the second diaphragm wall 2
Continue that steel reinforcement cage and casting concrete are installed, so as to complete the construction of the second diaphragm wall 2, and the second diaphragm wall 2 connects with first
The inner fovea part 21 that continuous the junction self-assembling formation of wall 1 and protuberance 11 are engaged, so as to the first diaphragm wall 1 and the second diaphragm wall 2 it
Between formed seam 10.Wherein, the first diaphragm wall 1 and length of the second diaphragm wall 2 is identical is between 6 ~ 8m, while width is
600-1000mm。
As shown in figure 1, be provided with the pilaster 4 that pours of armored concrete close to the side of upstream face 8 at seam 10, pilaster 4 with
Set centered on seam 10, side of the pilaster 4 away from seam 10 is provided with two groups of triaxial cement mixing piles 5, and every two three axles
Clinch is equipped between cement mixing method 5, clinch length is not less than the single maximum diameter of pile of triaxial cement mixing pile 5
10%.Gap 51 between triaxial cement mixing pile 5 and pilaster 4 be present, the width in gap 51 is 100mm-200mm.
As shown in figure 1, the relative both sides side wall that pilaster 4 contacts with diaphram wall is provided with high-pressure rotary jet grouting pile 6, more
High-pressure rotary jet grouting pile 6 is continuously arranged along pilaster 4 and diaphram wall l-shaped, and also is provided with taking between triaxial cement mixing pile 5
Socket part, and clinch length is 200mm-400mm.
By the setting of triaxial cement mixing pile 5, completely cut off the path of moisture penetration, extend seepage paths, then because high pressure is revolved
Stake 6 is sprayed, sealing is crammed into the gap of junction, forms continuous water-stop curtain, the sealing work(at further reinforced seam 10
Energy.
Embodiment two：A kind of diaphram wall, as shown in figure 3, including at least one above-mentioned diaphram wall seam crossing
Water sealing structure.
As shown in figure 3,2 cubic metres of earth of the second diaphragm wall is completed and then excavated in the concreting of the first diaphragm wall 1, grooving is simultaneously
Casting concrete, after the completion for the treatment of that all diaphram wall section constructions are equal, then on its top uniformly pour the reinforcing bar of same widths
Concrete Guan Liang 7 a so that entirety can be bonded as by being segmented the diaphram wall poured, strengthen overall stress-bearing capability.
Claims (8)
1. a kind of water sealing structure of diaphram wall seam crossing, including the first diaphragm wall (1) and the second diaphragm wall (2), described
The side of one diaphragm wall (1) is close to the back side (9) of interior of building, the upstream face of opposite side support soil body to be close to
(8), it is characterised in that：First diaphragm wall (1) is provided with seam (10) with the second diaphragm wall (2) junction, and described first connects
Continuous wall (1) is provided with protuberance (11) in the seam (10) place, and second diaphragm wall (2) is provided with and protrusion in seam (10) place
The inner fovea part (21) that portion (11) is engaged, seam (10) place are provided with copper seal (3), and the copper seal (3) is fixed on
For the protuberance (11) in the side side wall of upstream face (8), the seam (10) is provided with wall close to the side of upstream face (8)
Post (4), side of the pilaster (4) away from seam (10) are provided with the triaxial cement mixing pile (5) for being used for blocking infiltration path,
The pilaster (4) is additionally provided with high-pressure rotary jet grouting pile (6), the height with first diaphragm wall (1), the second diaphragm wall (2) junction
Pressure rotary-spraying stake (6) is along pilaster（4）Relative two side walls, the first diaphragm wall (1) and the second diaphragm wall (2) is L-shaped continuously sets
Put.
A kind of 2. water sealing structure of diaphram wall seam crossing according to claim 1, it is characterised in that：The sealing copper
Piece (3) is more than the outwardly length of the protuberance (11) along first diaphragm wall and the size of the second diaphragm wall orientation
Degree, and it is internal to stretch into first diaphragm wall (1).
A kind of 3. water sealing structure of diaphram wall seam crossing according to claim 1, it is characterised in that：Described first connects
Continuous wall (1) is all mutually 6m-8m, width 600mm-1000mm with the second diaphragm wall (2) length.
A kind of 4. water sealing structure of diaphram wall seam crossing according to claim 1, it is characterised in that：The three axles water
Overlap is provided between every two of soil mixing pile (5), the overlap length is more than or equal to the single three axles cement
The 10% of the maximum diameter of pile of native mixing pile (5).
A kind of 5. water sealing structure of diaphram wall seam crossing according to claim 1, it is characterised in that：The three axles water
Gap be present between soil mixing pile (5) and the pilaster (4)（51）, the gap（51）Width is 100mm-200mm.
A kind of 6. water sealing structure of diaphram wall seam crossing according to claim 1, it is characterised in that：The high pressure rotation
Clinch is provided between spray stake (6) and the triaxial cement mixing pile (5), and clinch length is 200mm-400mm.
A kind of 7. diaphram wall, it is characterised in that：Connect including at least one underground as claimed in any one of claims 1 to 6
The water sealing structure of continuous wall seam crossing.
A kind of 8. diaphram wall according to claim 7, it is characterised in that：The sealing of the diaphram wall seam crossing
The top of structure is provided with elongated armored concrete Guan Liang (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861806.9U CN206916753U (en) | 2017-07-14 | 2017-07-14 | A kind of water sealing structure of diaphram wall and its seam crossing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861806.9U CN206916753U (en) | 2017-07-14 | 2017-07-14 | A kind of water sealing structure of diaphram wall and its seam crossing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206916753U true CN206916753U (en) | 2018-01-23 |
Family
ID=61347794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720861806.9U Expired - Fee Related CN206916753U (en) | 2017-07-14 | 2017-07-14 | A kind of water sealing structure of diaphram wall and its seam crossing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206916753U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206339A (en) * | 2019-06-14 | 2019-09-06 | 北京翔鲲水务建设有限公司 | A kind of push pipe passes through construction method of underground continuous wall |
| CN110409511A (en) * | 2019-07-24 | 2019-11-05 | 中铁二十局集团第四工程有限公司 | A kind of interlocking pile and ground-connecting-wall seam crossing water-stopping method |
| CN110820700A (en) * | 2019-11-18 | 2020-02-21 | 国家电网有限公司 | Hydropower station diaphragm wall and construction method thereof |
| CN111924904A (en) * | 2020-08-07 | 2020-11-13 | 中国水电基础局有限公司 | Method and device for realizing water stop between adjacent members of underground water reaction wall |
| CN112982440A (en) * | 2021-03-16 | 2021-06-18 | 浙江理工大学 | Deep foundation pit supporting structure and deep foundation pit supporting method based on limited space |
| CN114908766A (en) * | 2022-05-10 | 2022-08-16 | 中建八局浙江建设有限公司 | Seepage-proofing reinforcing structure at joint of adjacent diaphragm walls and construction method thereof |
-
2017
- 2017-07-14 CN CN201720861806.9U patent/CN206916753U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206339A (en) * | 2019-06-14 | 2019-09-06 | 北京翔鲲水务建设有限公司 | A kind of push pipe passes through construction method of underground continuous wall |
| CN110409511A (en) * | 2019-07-24 | 2019-11-05 | 中铁二十局集团第四工程有限公司 | A kind of interlocking pile and ground-connecting-wall seam crossing water-stopping method |
| CN110409511B (en) * | 2019-07-24 | 2021-10-08 | 中铁二十局集团第四工程有限公司 | Water stopping method for joint of secant pile and diaphragm wall |
| CN110820700A (en) * | 2019-11-18 | 2020-02-21 | 国家电网有限公司 | Hydropower station diaphragm wall and construction method thereof |
| CN111924904A (en) * | 2020-08-07 | 2020-11-13 | 中国水电基础局有限公司 | Method and device for realizing water stop between adjacent members of underground water reaction wall |
| CN112982440A (en) * | 2021-03-16 | 2021-06-18 | 浙江理工大学 | Deep foundation pit supporting structure and deep foundation pit supporting method based on limited space |
| CN114908766A (en) * | 2022-05-10 | 2022-08-16 | 中建八局浙江建设有限公司 | Seepage-proofing reinforcing structure at joint of adjacent diaphragm walls and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206916753U (en) | A kind of water sealing structure of diaphram wall and its seam crossing | |
| CN109736340B (en) | Dewatering device and method for guaranteeing integrity of cushion layer by reserving dewatering well on foundation slab | |
| CN107542115A (en) | Underground project waterproof structure and its construction method | |
| CN102839691B (en) | Quick sealing method and device for sandless cement pipe deep well dewatering wellhead | |
| CN111810176A (en) | Subway station end reinforcement construction method for water-rich sand layer shield construction | |
| CN107524174A (en) | A kind of diaphragm wall I-shaped steel joint provided with water expandable waterstop | |
| CN103205986A (en) | Concrete raft foundation construction-joint grouting device and construction method | |
| CN105113513B (en) | Anti-seepage foundation pit supporting structure and construction method | |
| CN106088758A (en) | A kind of double-deck assembled underground granary | |
| CN208072433U (en) | A kind of interim precipitation steel sleeve being used for basic posthole and catch pit | |
| CN105401586A (en) | Construction method for bottomless steel jacket box capable of stopping water simply | |
| CN106567397B (en) | The control method and control device of deep basal pit underground water | |
| CN106051316B (en) | A kind of pipeline wears the construction method in pond | |
| CN106088762B (en) | A kind of prefabricated assembled round underground granary of insertion slot type encased steel plate | |
| CN107345405A (en) | Grouting method at concrete raft foundation construction joint | |
| CN102777190B (en) | Opening structure of tunnel of shield method | |
| CN106088759B (en) | The equal stepped prefabricated assembled circular underground granary of steel plated inside and outside one kind | |
| CN106088764B (en) | A kind of stepped prefabricated assembled circular underground granary of encased steel plate | |
| CN110468862A (en) | A kind of plugging structure for subway station precipitation well head | |
| CN106013909B (en) | A kind of outsourcing Plastic preform assembled underground granary | |
| CN206035048U (en) | Prefabricated assembled underground granary of interior plastic cover | |
| CN105484205B (en) | Concrete anti-seepage panel reconstruct dam heel cover plate water sealing structure and its construction method | |
| CN204589917U (en) | Soil core wall rockfill dam bank slope concrete cover | |
| CN106193744A (en) | A kind of inside and outside circular prefabricated assembled underground granary of all steel plateds | |
| CN207121919U (en) | A kind of foundation ditch compound water stop curtain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20200714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |