CN207567755U - The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system - Google Patents
The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system Download PDFInfo
- Publication number
- CN207567755U CN207567755U CN201721470165.0U CN201721470165U CN207567755U CN 207567755 U CN207567755 U CN 207567755U CN 201721470165 U CN201721470165 U CN 201721470165U CN 207567755 U CN207567755 U CN 207567755U
- Authority
- CN
- China
- Prior art keywords
- wall
- ultra
- slot section
- reinforcement cage
- section steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system, and between meeting pitted surface and meeting native face, including the phase slot section steel reinforcement cage, I-shaped steel joint and the second stage of slot section steel reinforcement cage being set gradually from left to right, the tip side of a phase slot section steel reinforcement cage is equipped with end socket muscle；The second stage of slot section steel reinforcement cage connect fixation with the inside of I-shaped steel joint flange plate, therebetween only slurry iron sheet and pressure welding muscle are equipped on the outside of connecting node, multiple Grouting Pipe is equipped in a phase slot section steel reinforcement cage and the second stage of slot section steel reinforcement cage connecting pin, close to the corner for meeting native face, multiple Grouting Pipe tube bottom sealing, outer wall, which is enclosed with, only starches adhesive tape；Dividing blade is equipped in multiple Grouting Pipe, multiple Grouting Pipe is separated into three once grouting channels by dividing blade, and the outer wall of each once grouting channel is equipped with a row and penetrates slurry hole along what multiple Grouting Pipe uniform intervals were set.The utility model has the characteristics that safety, is applicable in, and has popularization and practical value well, good economic benefit can be generated after widely promoting and applying.
Description
Technical field
The utility model belongs to building engineering field, be a kind of ground-connecting-wall connector water-stopping system more particularly to ultra-deep even
Wall rigid joint integrates water-stopping system.
Background technology
In recent years, application of the ground-connecting-wall support system in various huge ultradeep foundation pit engineerings is rapidly developed, tool
There is the features such as rigidity is big, barrier performance is good, and construction noise is low, be chiefly used in that soil layer condition is poor, level of ground water is high, the super large of foundation pit depth
In ultra-deep complexity foundation pit.But due to the Various Complex situation in work progress, Traditional flexible connector ground-connecting-wall slot section seam crossing holds
Folder mud slag inclusion and other issues is also easy to produce, causes localized seepage occurs during excavation of foundation pit or even drift sand occurs, piping, circumferentially
Phenomena such as face differential settlement, serious threat deep pit monitor.Therefore, for the quality control on construction difficulty of ultra-deep ground-connecting-wall it is big,
The features such as groundwater seepage pressure is high, the excavation of foundation pit time is long, using a kind of reliable efficient ground-connecting-wall connector water-stopping system just
It is particularly important.
Utility model content
The purpose of this utility model is to provide ultra-deep ground-connecting-wall rigid joint synthesis water-stopping system, and it is easy to solve the prior art
The technical issues of generating drift sand, piping, surrounding ground differential settlement；And prior art construction complexity is solved, and slip casting has some setbacks
The problem of smooth.
To achieve the above object, the utility model adopts the following technical solution：
The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system, set on meeting pitted surface and meet between native face, it is characterised in that：Including
A phase slot section steel reinforcement cage, I-shaped steel joint and the second stage of slot section steel reinforcement cage being set gradually from left to right, the phase slot section reinforcing bar
The tip side of cage is equipped with end socket muscle, and the end socket muscle is trapezoidal；The second phase slot section steel reinforcement cage and I-shaped steel joint flange plate
Inside connection is fixed, and only slurry iron sheet is equipped on the outside of connecting node therebetween, pressure welding muscle is equipped on the outside of the only slurry iron sheet,
The one phase slot section steel reinforcement cage and the second stage of slot section steel reinforcement cage connecting pin are equipped with multiple Grouting Pipe close to the corner for meeting native face, described
Multiple Grouting Pipe tube bottom sealing, outer wall, which is enclosed with, only starches adhesive tape；Dividing blade, the separation leaf are equipped in the multiple Grouting Pipe
Multiple Grouting Pipe is separated into three once grouting channels by piece, and the outer wall of each once grouting channel is equipped with a row along multiple note
Slurry hole is penetrated in the uniform intervals setting of slurry pipe.
It is further preferred that the flange plate width of the I-shaped steel joint is not less than 350mm, the I-shaped steel joint bottom end
It is deeper 300 ~ 500mm than the wall chase of ultra-deep ground-connecting-wall.
Further, for the only slurry iron sheet width not less than 500mm, thickness is not less than 0.35mm, along ultra-deep ground-connecting-wall depth
Elongated arrangement.
Further, the material of the multiple Grouting Pipe is UPVC, and caliber is not more than 40mm, and wall thickness is not less than 2mm, tube top
Higher than 200 ~ 500mm of ultra-deep ground-connecting-wall wall top.
Further, the aperture for penetrating slurry hole is no more than 4mm, between adjacent in the multiple Grouting Pipe under water level
Penetrate slurry hole spacing be 300 ~ 1000mm.
Further, the only slurry adhesive tape is 1 ~ 2 layer, and width is not less than 80mm.
In addition, the multiple Grouting Pipe is fixed by binding tied silk with the second stage of slot section steel reinforcement cage.
It is further preferred that the multiple Grouting Pipe tube bottom is sealed by closing rubber sleave.
The utility model has the characteristics that and advantageous effect compared with prior art：
First, the bottom end of I-shaped steel joint is deeper 300 ~ 500mm than ground-connecting-wall slot bottom in the utility model, under energy insertion groove
In the soil layer of side, concrete is effectively prevent to be streamed from connector bottom, avoid generating due to the second stage of slot section connector can not clean clean with water
Penetrating passage.
Secondly, the utility model uses more Grouting Pipes of UPVC, easy for installation and not cracky, can to slot section seam into
The multiple slip casing by pressure of row blocks the penetrating passage of slot section seam crossing.Meanwhile penetrate slurry hole according to underground water and clay distribution situation with
Depth is arranged, and has not only made have suitable uniform grouting pressure under different depth, but also can better adapt to different seepage states.
Furthermore the utility model can use different injecting paste materials, slip casting in the different chamber of same root Grouting Pipe
Slip casing by pressure flow etc. synchronizes mortar depositing construction, to cope with various underground water and clay distribution situation and different degrees of leakage
Situation.Polyurethane, cement-sodium silicate, superfine cement slurry are such as selected, slip casting is synchronized using more set grouting pumps, it is quick to seal
It blocks up to cope with the emergencies such as more serious leakage piping.
Finally, requirement of the utility model to construction site and construction advantage of lower cost, process procedure it is also less and
It is easy to operate.
The utility model achieves good application effect, and can be widely used in ultra-deep ground-connecting-wall support engineering
Various levels of ground water are high, soil layer infiltration coefficient is big, underground water source supply is more, Ground Settlement control requires high ground-connecting-wall branch
In nurse's journey.
The utility model has the characteristics that safety, is applicable in, and has popularization and practical value well, after widely promoting and applying
Good economic benefit can be generated.
Description of the drawings
Fig. 1 be the utility model is related to the rigid joint of ultra-deep ground-connecting-wall integrate water-stopping system structure diagram；
Fig. 2 be the utility model is related to multiple Grouting Pipe structure diagram.
Reference numeral：1- mono- phase slot section steel reinforcement cages；2- I-shaped steel joints；3- second phase slot section steel reinforcement cages；4- only starches iron sheet；5-
Pressure welding muscle；6- meets pitted surface；7- meets native face；More Grouting Pipes of 8-；9- penetrates slurry hole；10- dividing blades；11- once grouting channels；
12- only starches adhesive tape.
Specific embodiment
To be easy to understand technological means of the utility model, character of innovation, reached purpose and effect, below
The utility model is further illustrated.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art also are able to public based on the application claims and specification institute
The content opened includes doing using the embodiment to recording herein using obvious other technical solutions, these technical solutions
Go out the technical solution of any obvious substitutions and modifications.
The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system, as shown in Figure 1, between meeting pitted surface 6 and meeting native face 7, packet
Include the phase slot section steel reinforcement cage 1 being set gradually from left to right, I-shaped steel joint 2 and the second stage of slot section steel reinforcement cage 3, a phase slot section reinforcing bar
The tip side of cage 1 is equipped with end socket muscle, and end socket muscle is trapezoidal；Connect on the inside of the second stage of slot section steel reinforcement cage 3 and 2 flange plate of I-shaped steel joint
Fixation is connect, only slurry iron sheet 4 is equipped on the outside of connecting node therebetween, 4 outside of iron sheet is only starched and is equipped with pressure welding muscle 5, in a phase slot
Section steel reinforcement cage 1 and the second stage of 3 connecting pin of slot section steel reinforcement cage are equipped with multiple Grouting Pipe 8, multiple Grouting Pipe 8 close to the corner for meeting native face 7
Tube bottom seals, and outer wall is enclosed with only slurry adhesive tape 12；As shown in Fig. 2, repeatedly dividing blade 10, dividing blade are equipped in Grouting Pipe 8
Multiple Grouting Pipe 8 is separated into three once grouting channels 11 by 10, and the outer wall of each once grouting channel 11 is equipped with a row edge
Slurry hole 9 is penetrated in the 8 uniform intervals setting of multiple Grouting Pipe.The flange plate width of I-shaped steel joint 2 is not less than 350mm, the I-shaped
2 bottom end of steel connector is deeper 300 ~ 500mm than the wall chase of ultra-deep ground-connecting-wall, only starches 4 width of iron sheet not less than 500mm, thickness is not less than
0.35mm masters long arrangement along ultra-deep ground-connecting-wall.The material of multiple Grouting Pipe 8 is UPVC, and caliber is not more than 40mm, and wall thickness is not small
In 2mm, tube top is higher than ultra-deep ground-connecting-wall 200 ~ 500mm of wall top, penetrates the aperture in slurry hole 9 no more than 4mm, multiple under water level
The spacing for penetrating slurry hole 9 between adjacent in Grouting Pipe 8 is 300 ~ 1000mm.Only slurry adhesive tape 12 is 1 ~ 2 layer, and width is not less than
80mm, multiple Grouting Pipe 8 are fixed by binding tied silk with the second stage of slot section steel reinforcement cage 3, and multiple 8 tube bottom of Grouting Pipe is by closing rubber
Leather sheath seals.
The rigid joint of ultra-deep ground-connecting-wall integrates the construction method of water-stopping system, which is characterized in that includes the following steps：
Step 1 prepares before constructing：Prepare construction material requested；
Step 2, welding H-bar connector 2：The horizontal main reinforcement of the second stage of 3 both sides of slot section steel reinforcement cage is welded on I-steel to connect
The inside of first 1 two flange plates；
Iron sheet 4 is only starched in step 3, welding：Only slurry iron sheet 4 the second stage of slot section steel reinforcement cage 3 and work will be fixed on by pressure welding muscle 5
At 2 connecting node of word steel connector；
Step 4 sets multiple Grouting Pipe 8：In a phase slot section steel reinforcement cage 1 and the second stage of 3 connecting pin of slot section steel reinforcement cage, close
Multiple Grouting Pipe 8 is fixed in the corner for meeting native face 7；
Step 5 carries out slip casing by pressure：When after excavation of foundation pit, basement main structure construction or find ground-connecting-wall seam
When there is localized seepage, slip casing by pressure is carried out to slot section seam using multiple Grouting Pipe 8, protection is covered after the completion of once grouting
Cap can subsequently carry out secondary, slip casting three times as needed, so far, the utility model ultra-deep ground-connecting-wall rigid joint synthesis sealing
System construction is completed.
Specific embodiment of the utility model presented below：
In the present embodiment, the flange width of I-shaped steel joint is 350mm, and bottom end is than ground-connecting-wall slot bottom depth 500mm；Only starch
Iron sheet width is 500mm, thickness 0.35mm；40 wall thickness of Φ is used as more Grouting Pipes of the UPVC of 2mm, tube top is higher than ground-connecting-wall
Push up 300mm；The aperture in slurry hole is penetrated as 4mm, the spacing under level of ground water is 500mm, and outer wrapping 2 slice width degree in hole is only starching for 80mm
Adhesive tape.For medium-fine sand mixed soil and ultra-deep ground-connecting-wall, starched using microdilatancy superfine cement, the ratio of mud 0.7 ~ 0.8, slip casting pressure
0.4 ~ 1MPa of power.The ultra-deep ground-connecting-wall rigid joint synthesis water-stopping system of the present embodiment, it is with ground-connecting-wall flexible joint or commonly firm
Property the connector cooperation connectors sealing form such as high-pressure rotary jet grouting pile compare, project cost can save 50% or so, for cobble, middle sand,
A variety of different soil layers such as fine sand, flour sand, muck soil, silty clay all have very strong adaptability, level of ground water it is high,
Also there is preferable impervious water-stagnating effect under the hydrogeologic condition that lower seepage discharge is big, water quality corrosivity is strong, and can be according to construction
Need to carry out it is secondary, repeat slip casting three times, be particluarly suitable for ultra-deep ground-connecting-wall engineering, the ground-connecting-wall engineering of even " double wall unifications "
Middle utilization.Simultaneously compared to high-pressure rotary-spray pile joint sealing form, the utility model construction machinery type is few, and construction process is easy,
It can save for more than 20% duration.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. the rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system, set on meeting pitted surface（6）With meet native face（7）Between, it is characterised in that：
Including the phase slot section steel reinforcement cage being set gradually from left to right（1）, I-shaped steel joint（2）With the second stage of slot section steel reinforcement cage（3）, it is described
One phase slot section steel reinforcement cage（1）Tip side be equipped with end socket muscle, the end socket muscle is trapezoidal；The second phase slot section steel reinforcement cage（3）With
I-shaped steel joint（2）The inside connection of flange plate is fixed, and only slurry iron sheet is equipped on the outside of connecting node therebetween（4）, it is described
Only starch iron sheet（4）Outside is equipped with pressure welding muscle（5）, in the phase slot section steel reinforcement cage（1）With the second stage of slot section steel reinforcement cage（3）Connection
End, close to meeting native face（7）Corner be equipped with multiple Grouting Pipe（8）, the multiple Grouting Pipe（8）Tube bottom seals, and outer wall is enclosed with
Only starch adhesive tape（12）；The multiple Grouting Pipe（8）It is interior to be equipped with dividing blade（10）, the dividing blade（10）By multiple Grouting Pipe
（8）It is separated into three once grouting channels（11）, each once grouting channel（11）Outer wall be equipped with a row along multiple slip casting
Pipe（8）Slurry hole is penetrated in uniform intervals setting（9）.
2. ultra-deep ground-connecting-wall rigid joint as described in claim 1 integrates water-stopping system, it is characterised in that：The I-steel connects
Head（2）Flange plate width not less than 350mm, the I-shaped steel joint（2）Bottom end deeper than the wall chase of ultra-deep ground-connecting-wall 300 ~
500mm。
3. ultra-deep ground-connecting-wall rigid joint as described in claim 1 integrates water-stopping system, it is characterised in that：The only slurry iron sheet
（4）Width is not less than 500mm, and thickness is not less than 0.35mm, long arrangement is mastered along ultra-deep ground-connecting-wall.
4. ultra-deep ground-connecting-wall rigid joint as described in claim 1 integrates water-stopping system, it is characterised in that：The multiple slip casting
Pipe（8）Material for UPVC, caliber is not more than 40mm, and wall thickness is not less than 2mm, tube top higher than ultra-deep ground-connecting-wall wall top 200 ~
500mm。
5. ultra-deep ground-connecting-wall rigid joint as described in claim 1 integrates water-stopping system, it is characterised in that：It is described to penetrate slurry hole
（9）Aperture no more than 4mm, the multiple Grouting Pipe under water level（8）On it is adjacent between penetrate slurry hole（9）Spacing be
300~1000mm。
6. ultra-deep ground-connecting-wall rigid joint as described in claim 1 integrates water-stopping system, it is characterised in that：The only slurry adhesive tape
（12）It it is 1 ~ 2 layer, width is not less than 80mm.
7. ultra-deep ground-connecting-wall rigid joint as described in claim 1 integrates water-stopping system, it is characterised in that：The multiple slip casting
Pipe（8）By binding tied silk and the second stage of slot section steel reinforcement cage（3）It is fixed.
8. the ultra-deep ground-connecting-wall rigid joint synthesis water-stopping system as described in claim 1 ~ 7 any one, it is characterised in that：Institute
State multiple Grouting Pipe（8）Tube bottom is sealed by closing rubber sleave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470165.0U CN207567755U (en) | 2017-11-07 | 2017-11-07 | The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470165.0U CN207567755U (en) | 2017-11-07 | 2017-11-07 | The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207567755U true CN207567755U (en) | 2018-07-03 |
Family
ID=62692968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721470165.0U Active CN207567755U (en) | 2017-11-07 | 2017-11-07 | The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207567755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653872A (en) * | 2017-11-07 | 2018-02-02 | 中建局集团建设发展有限公司 | The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system and its construction method |
| CN111827262A (en) * | 2020-07-31 | 2020-10-27 | 广西建工集团建筑工程总承包有限公司 | Construction method of fold-line-shaped irregular underground continuous wall |
-
2017
- 2017-11-07 CN CN201721470165.0U patent/CN207567755U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653872A (en) * | 2017-11-07 | 2018-02-02 | 中建局集团建设发展有限公司 | The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system and its construction method |
| CN111827262A (en) * | 2020-07-31 | 2020-10-27 | 广西建工集团建筑工程总承包有限公司 | Construction method of fold-line-shaped irregular underground continuous wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105863648B (en) | A kind of tunneling is shallow to cover large-section tunnel construction method | |
| CN101429764B (en) | Infiltration water detection and plugging renovation devices and methods for underground continuous wall groove segment seam | |
| CN103277120A (en) | Post-unfreezing water burst prevention method of non-full-depth freezing vertical shaft | |
| CN106703692A (en) | Method using surface orientation bedding drilling grouting to reinforce laminar limestone | |
| CN107653872A (en) | The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system and its construction method | |
| CN105201448A (en) | Method for water-stopping grouting plugging in high-pressure high-flow water gush channel | |
| CN104131575A (en) | Plugging and drainage method for dam foundation on karst highly developed stratum | |
| CN106812540A (en) | A kind of shield launching element wall closing water sealing consolidation structure and construction technology | |
| CN207567755U (en) | The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system | |
| CN105909265B (en) | Pass through the anti-protuberance retrusive deep hole grouting system and method for existing shield tunnel | |
| CN104314106A (en) | Underground diaphragm wall with joint water stop and filling vacancy structure and construction method thereof | |
| CN103696416A (en) | Novel foundation treatment method | |
| CN107268688A (en) | I-shaped steel joint of diaphragm wall reinforces the construction method of sealing | |
| CN201424658Y (en) | Water leakage detection of underground continuous wall groove seams and block repair device | |
| CN102174818A (en) | Controlled impermeable leaking stoppage grout-extruding water-stopping technology of strong water permeable stratum of quaternary system | |
| CN109339118A (en) | A kind of basement bottom board leakage-resistant device and construction method | |
| CN203939036U (en) | A kind of steel sheet pile cofferdam structure that is applicable to river course | |
| CN209603062U (en) | Change the concentrative seepage plugging structure that dynamic water is hydrostatic in gallery | |
| CN204941551U (en) | A kind of subway station of Curve Pipe Jacking supporting and protection structure enlarging shield-tunneling construction | |
| CN209855798U (en) | Pipe jacking structure | |
| CN108915705B (en) | A kind of baffle grouting construction method blocked for shield export & import leak | |
| CN110469338A (en) | A kind of artesian water stratum shield method of reseptance | |
| CN110144896A (en) | Concrete defect leak quick blocking restorative procedure in a kind of underground space engineering | |
| CN204780857U (en) | Pipe is freezed in slip casting | |
| CN105586978A (en) | Construction method of soil replacement stir waterproof curtain based on gravels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |