CN208235526U - A kind of single-point bellows grouting device controlling soil deformation - Google Patents
A kind of single-point bellows grouting device controlling soil deformation Download PDFInfo
- Publication number
- CN208235526U CN208235526U CN201820133657.9U CN201820133657U CN208235526U CN 208235526 U CN208235526 U CN 208235526U CN 201820133657 U CN201820133657 U CN 201820133657U CN 208235526 U CN208235526 U CN 208235526U
- Authority
- CN
- China
- Prior art keywords
- slip casting
- outer tube
- slurries
- casting bag
- utility
- 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
Abstract
The utility model discloses a kind of single-point bellows grouting device for controlling soil deformation, including slip casting core pipe and outer tube, the bottom of the outer tube is equipped with slip casting bag, and the outside of the slip casting bag is equipped with protective sleeve.Between the slip casting bag and the lower port of the outer tube for closing connection, the protective sleeve by be sticked to the housing infratubal port and be located at the slip casting bag on the outside of two panels thin rubber sheet form.When carrying out slip casting using the utility model, slurries are quantified in injection outer tube to projected depth by Grouting Pipe using grouting gun, the slip casting bag equipped with slurries enters the corresponding soil body after washing protective sleeve open.The utility model can accurately control volume, position, the shape of injecting cement paste, slurries are avoided to contact with underground water with the soil body in a liquid state, prevent the influence to environment is closed on, simultaneously, it prevents from returning on slurries using rubber ring and unidirectional rubber membrane, realizes and rectify a deviation to the precise controlling and orientation of soil deformation.
Description
Technical field
The utility model belongs to ground and basic engineering construction technical field more particularly to a kind of note for controlling soil deformation
Sizing device.
Background technique
With the fast development of Chinese society economy, Modernized City Construction progress is constantly accelerated, and large-scale synthesis is multi-functional
Groups of building continue to bring out, and infrastructure construction is also being gradually improved.In Excavation Process, the Unloading Effect of the adjacent side soil body is led
Foundation pit enclosure structure is caused to generate corresponding deformation, so as to cause adjacent building basis or hole outer tunnel etc. as the soil body generates together
Corresponding displacement deformation.For example, existing operation tactics are mostly the shield tunnel that precast concrete section of jurisdiction is connected with high-strength bolt,
It is more sensitive to deformation.Excessive deformation not only results in the opening connected between section of jurisdiction, faulting of slab ends, track buckling deformation, influences ground
The operation of iron train, serious person even can because deformed between section of jurisdiction joint open it is excessive caused by leak leak husky phenomenon and cause tunnel into one
Large deformation and damage occur for step.Therefore change stringent to the existing operation carry out such as building foundation and tunnel during project management
Shape control seems most important.
It is often not efficient, economical using deformation rectifying effect of the slurry injection technique of sleeve valve tube to the soil body at present, it is primarily present
Following defect:
First, sleeve valve barrel grouting is difficult to control volume, the location and shape of injecting cement paste, generally can not form continuous stake
Body, especially when groundwater velocity is larger, slurries are often washed away by underground water, it is difficult to be gone out in fixed area setting and hardening, and easily
Existing running pulp alters slurry phenomenon along Grouting Pipe and adjacent structure, and the diffusion of slurries can cause potentially to influence on the construction of periphery engineering,
To underground water and soil is closed on by certain pollution, it is unfavorable for environmental protection.
Second, slurry injection technique of sleeve valve tube once completes slip casting, it is difficult to carry out slip casting supplement to the slurry in the soil body.
Third is when pressure is larger or slip casting position is intensive, and the slip casting of mini-valve tube formula may be filled there is a phenomenon where slurries are counter.
Therefore, the grouting device for researching and developing a kind of controllable soil deformation while controllable slip casting position shape is existing market
The urgent need of development.
Utility model content
To be solved in the utility model is that conventional slurry injection technique of sleeve valve tube is unable to satisfy control soil deformation and slip casting position
The technical issues of setting shape provides a kind of single-point bellows grouting device for controlling soil deformation, i.e., injects slurries direct weighting
It in the slip casting bag of high elastic and strength, expand slip casting can in fixed area, accurately controlling for slurry volume realized, due to adopting
With slip casting bag, the shape of slurries can control, therefore in this technique, length of the settable slip casting bag along correction direction is larger, collection
Middle grouting pressure increases the directionality to exert a force to object construction.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of control soil deformation single-point bellows slip casting dress
It sets, including slip casting core pipe and outer tube, the bottom of the outer tube is equipped with slip casting bag, and the outside of the slip casting bag is equipped with shield capsule
Set.
Further, the single-point bellows grouting device of the utility model control soil deformation, wherein the slip casting bag and institute
It states for closing connection between the lower port of outer tube, the protective sleeve is by being sticked to the housing infratubal port and being located at the note
Starch the two panels thin rubber sheet composition on the outside of capsule.
The outer diameter of the outer tube is 80~100mm, and the material of the outer tube uses pvc pipe.
The shape and size of the slip casting bag determine according to the design requirement of required control soil deformation, the slip casting bag
Material use high-strength high-elasticity rubber.
Compared with prior art, the utility model has the beneficial effects that
The beneficial effects of the utility model are:
(1) the utility model can realize precise controlling: slurries (cement grout and waterglass) direct weighting be injected high-elastic
Property high-intensitive capsule among, expand slip casting can in fixed area, realize accurately controlling for slurry volume, prevent simultaneously
Phenomenon is returned on slurries, improves the accuracy of slip casting positioning.
(2) the utility model can realize orientation correction: due to can control the shape of slurries using capsule, therefore in this item
In mesh, length of the capsule along correction direction is larger, concentrates grouting pressure, increases the directionality to object construction force, realizes
Orientation correction and raising slip casting efficiency.
(3) the utility model can be realized environmentally protective: capsule avoid slurries in a liquid state with underground water and the soil body
Contact, prevents the influence to environment is closed on.
Detailed description of the invention
Fig. 1 is schematic diagram before single-point bellows grouting device slip casting；
Fig. 2 is schematic diagram after single-point bellows grouting device slip casting；
In figure: 1-outer tube, 2-protective sleeves, 3-slip casting bags.
Specific embodiment
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, it is described
Specific embodiment is only explained the utility model, is not intended to limit the utility model.
As shown in Figure 1, the utility model proposes a kind of control soil deformation single-point bellows grouting device, including slip casting
Core pipe and outer tube 1, the bottom of the outer tube 1 are equipped with slip casting bag 3, and the outside of the slip casting bag 3 is equipped with protective sleeve 2.It is described
It is closing connection between slip casting bag 3 and the lower port of the outer tube 1, the protective sleeve 2 is by being sticked to 1 lower end of outer tube
Mouth and the two panels thin rubber sheet composition for being located at 3 outside of slip casting bag.The outer diameter of the outer tube 1 is 80~100mm, described
The material of outer tube 1 uses pvc pipe.Design requirement of the shape and size of the slip casting bag 3 according to required control soil deformation
It determines, the material of the slip casting bag 3 uses the rubber of high-strength high-elasticity.
Using above-mentioned control soil deformation single-point bellows grouting device carry out slip casting method the following steps are included:
Step 1: surveying and locating: drawing piling plan according to design requirement, measure hole location using total station and ground is high
Journey determines bore position and depth.
Step 2: drilling: checking the levelness of drilling machine body and the verticality of drilling rod before drilling, it is desirable that the basic water of drilling machine
Flat, for the vertical missing of drilling rod less than 1%, when drilling, keeps middling speed, when encountering hard formation, slow down it is slow bore, prevent bit freezing.Drilling uses
Mud off prevents collapse hole.Using drilling machine drilling and forming hole, aperture is generally 80~100mm, in boring procedure, using mud
Retaining wall prevents collapse hole；When being drilled into design hole depth can whole hole mention brill.
Step 3: installing slip casting casing: according to the size and shape of correction Demand Design slip casting bag 3, to meet to target
The directionality of structure force, and being connected to 3 close and firm of slip casting bag at the lower port of the outer tube 1；It will be as shield capsule
The two panels thin rubber sheet of set 2 is connected firmly to the lower port of the outer tube 1 and positioned at the outside of slip casting bag 3；By outer tube 1
To design hole depths in insertion drilling, mouth, which goes out, to close the lid when installing at the top of the outer tube 1, prevents sundries from entering, influences
Slip casting operation quality.
Step 4: slip casting: being quantified slurries in injection outer tube 1 to projected depth, slurry by Grouting Pipe using grouting gun
Liquid enters in the slip casting bag 3 of 1 bottom of outer tube, since slip casting bag 3 has good elasticity and intensity, with the increasing of grouting amount
Add, the volume of slip casting bag 3 becomes larger, as shown in Fig. 2, the slip casting bag 3 equipped with slurries enters corresponding soil after washing protective sleeve 2 open
Body.Slip casting is carried out using the utility model grouting device, slurries therein can be using the mixing of the dual liquid type of cement and waterglass
Liquid, specific parameter of preparing need to finally be determined by professional laboratory assistant person by test of many times and in conjunction with actual conditions.In above-mentioned slip casting
Cheng Zhong takes corresponding grouting pressure and slip casting time, slip casting using grouting gun length as slip casting step pitch length according to the actual situation
Amount.After the completion of every section of slip casting, the slip casting core pipe length an of step pitch is moved up or down；Every completion 2m slip casting, a section of dismantling
Slip casting core pipe stops slip casting when reaching design grouting amount.
Water pipe is inserted to Grouting Pipe bottom, residual slurry in cleaning pipe after the completion of slip casting, in case repeating slip casting.
Carrying out slip casting using the grouting device provided in the utility model is injected grout into slip casting bag, can be accurate
Volume, position, the shape for controlling injecting cement paste, avoid slurries and contact in a liquid state with underground water with the soil body, prevent to facing
The influence of near-ambient, meanwhile, it prevents from returning on slurries using rubber ring and unidirectional rubber membrane, realizes the precise controlling to soil deformation
It rectifies a deviation with orientation.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned
Specific embodiment, the above mentioned embodiment is only schematical, rather than restrictive, the ordinary skill of this field
Personnel are under the enlightenment of the utility model, in the case where not departing from the utility model aims, can also make many variations, this
It belongs within the protection of the utility model a bit.
Claims (4)
1. a kind of single-point bellows grouting device for controlling soil deformation, including slip casting core pipe and outer tube (1), which is characterized in that
The bottom of the outer tube (1) is equipped with slip casting bag (3), and the outside of the slip casting bag (3) is equipped with protective sleeve (2).
2. controlling the single-point bellows grouting device of soil deformation according to claim 1, which is characterized in that the slip casting bag
It (3) is closing connection between the lower port of the outer tube (1), the protective sleeve (2) is by being sticked to the outer tube (1) lower end
Mouth and the two panels thin rubber sheet being located on the outside of the slip casting bag (3) composition.
3. controlling the single-point bellows grouting device of soil deformation according to claim 1, which is characterized in that the outer tube
(1) outer diameter is 80~100mm, and the material of the outer tube (1) uses pvc pipe.
4. controlling the single-point bellows grouting device of soil deformation according to claim 1, it is characterised in that: the slip casting bag
(3) material uses the rubber of high-strength high-elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133657.9U CN208235526U (en) | 2018-01-25 | 2018-01-25 | A kind of single-point bellows grouting device controlling soil deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820133657.9U CN208235526U (en) | 2018-01-25 | 2018-01-25 | A kind of single-point bellows grouting device controlling soil deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208235526U true CN208235526U (en) | 2018-12-14 |
Family
ID=64578650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820133657.9U Active CN208235526U (en) | 2018-01-25 | 2018-01-25 | A kind of single-point bellows grouting device controlling soil deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208235526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265720A (en) * | 2018-01-25 | 2018-07-10 | 天津大学 | A kind of single-point bellows grouting device and its method for controlling soil deformation |
-
2018
- 2018-01-25 CN CN201820133657.9U patent/CN208235526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265720A (en) * | 2018-01-25 | 2018-07-10 | 天津大学 | A kind of single-point bellows grouting device and its method for controlling soil deformation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108411920A (en) | A kind of the multiple spot bellows grouting device and its method of control soil deformation | |
| CN108265720A (en) | A kind of single-point bellows grouting device and its method for controlling soil deformation | |
| CN203846485U (en) | Long pile percussion drill hole forming construction device | |
| CN105275381B (en) | Impact drill drilling construction method in rich water pebble layer | |
| CN107975375B (en) | A kind of miniature steel pipe pile reinforced soft foundation construction method of city tunnel | |
| CN101787698B (en) | Anti-corrosion inclusion bored concrete pile used for saline soil foundation and construction method thereof | |
| CN208235525U (en) | A kind of multiple grouting device controlling soil deformation | |
| CN106988302A (en) | A kind of high inclination-angle competent bed rotary digging pile driving construction engineering method | |
| CN109440794A (en) | A kind of fine method of disposal suitable for shallow embedding subway shield tunnel construction Tunnel Karst | |
| CN104912065A (en) | Underwater anchor pile construction method | |
| CN106638578A (en) | High-pressure circulation grouting minitype steel pipe pile and construction method thereof | |
| CN114319388A (en) | Construction method of foundation pit enclosure structure in existing building in karst area | |
| CN103334772A (en) | Slurry capable of stabilizing tunnel face of underground excavation sand layer, slurry preparation method, grouting equipment and grouting process | |
| CN208235526U (en) | A kind of single-point bellows grouting device controlling soil deformation | |
| CN103343534A (en) | Closed precipitation method for foundation pit construction | |
| CN102817361B (en) | Double bushing top cover for broken rock curtain grouting and construction method of double bushing top cover | |
| CN103397634A (en) | Anchoring construction method for fastener steel tube pile cofferdam | |
| CN104074184B (en) | Pile base post-grouted expanded-base bored pile | |
| CN206752456U (en) | Airway double steel pile castings in underground are worn under pile foundation | |
| CN208235524U (en) | A kind of multiple spot bellows grouting device controlling soil deformation | |
| CN209384285U (en) | One kind closing on the existing bridge bearing platform protection construction of open-cut foundation ditch | |
| CN111287177A (en) | Construction method of large-diameter overlong punched cast-in-place pile in dense pebble bed area | |
| CN106930274A (en) | The a full set of cylinder rotatory boring castinplace pile construction method that a kind of reinforcing bar cage location is fixed | |
| CN203701145U (en) | Underground pipe network inspection well concrete assembly | |
| CN115305917A (en) | Post-grouting steel strip corrugated pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |