CN106193044A - A kind of body segmenting slip casting method - Google Patents
A kind of body segmenting slip casting method Download PDFInfo
- Publication number
- CN106193044A CN106193044A CN201610533148.0A CN201610533148A CN106193044A CN 106193044 A CN106193044 A CN 106193044A CN 201610533148 A CN201610533148 A CN 201610533148A CN 106193044 A CN106193044 A CN 106193044A
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- Prior art keywords
- slip casting
- steel pipe
- pipe
- rubber
- wall
- 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.)
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Links
- 238000007569 slipcasting Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 229920001971 elastomer Polymers 0.000 claims abstract description 54
- 239000005060 rubber Substances 0.000 claims abstract description 54
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 238000005266 casting Methods 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims abstract description 3
- 239000007924 injection Substances 0.000 claims abstract description 3
- 125000006850 spacer group Chemical group 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of body segmenting slip casting method, comprise the steps: to choose a steel pipe with some slurry outlets, by described steel pipe press-in to the soil body；A casting head is inserted afterwards in described steel pipe, the two rubber shroudings that described casting head is located in described Grouting Pipe by Grouting Pipe and the spacer sleeve of side-wall hole form, composition slip casting cavity under the enclosing of rubber shrouding and described steel pipe inner wall described in two, wherein, under without thrust effect, described rubber shrouding and described steel pipe inner wall are matched in clearance；Extrude rubber shrouding described in two by elasticity adjusting mechanism on described casting head to expand, being interference fit with described steel pipe inner wall；By described Grouting Pipe to described slip casting chamber internal injection, serosity slurry outlet on described steel pipe injects the soil body and forms slip casting enlarged footing.It is an advantage of the invention that easy and simple to handle, utilize extrusion expansion characteristic and the rebound characteristics of rubber shrouding, can freely control the movement in steel pipe of the slip casting cavity or lock sealing.
Description
Technical field
The invention belongs to Geotechnical Engineering field, be specifically related to a kind of body segmenting slip casting method.
Background technology
Steel pipe is widely used in Geotechnical Engineering field, uses generally as steel-pipe pile.Its construction method is by steel pipe
It is inserted directly into soil body desired depth and i.e. forms steel-pipe pile to undertake load.
Bearing capacity of pile foundation is directly related with stake size, is typically intended to undertake bigger load and then must use larger-diameter steel
Pile tube.Form the injecting cement paste of large-size in Practical Project in stake week also through stake end, slip casting around pile, it is formed with stake and is jointly subject to
Power body, bearing capacity is greatly improved.But for same steel-pipe pile, engineering can only realize pile end grouting often, by steel
Pile tube body completes slip casting around pile simultaneously and is the most preferably solved.
Summary of the invention
In place of it is an object of the invention to according to above-mentioned the deficiencies in the prior art, it is provided that a kind of body segmenting slip casting method, should
Segmenting slip casting method realizes segmenting slip casting by arranging portable slip casting cavity in steel pipe, and by compressing slip casting cavity
The rubber shrouding at both ends makes its outward expansion so that it is guaranteed that cavity sealing during slip casting.
The object of the invention realizes being completed by techniques below scheme:
A kind of body segmenting slip casting method, it is characterised in that if described segmenting slip casting method comprises the steps: that choosing one has
The steel pipe of dry slurry outlet, by described steel pipe press-in to the soil body；A casting head, described casting head is inserted afterwards in described steel pipe
The two rubber shroudings being located in described Grouting Pipe by Grouting Pipe and the spacer sleeve of side-wall hole form, at rubber shrouding described in two
And composition slip casting cavity under the enclosing of described steel pipe inner wall, wherein, under without thrust effect, described rubber shrouding is with described
Steel pipe inner wall is matched in clearance；Extrude rubber shrouding described in two by the elasticity adjusting mechanism on described casting head to expand,
Being interference fit with described steel pipe inner wall；By described Grouting Pipe to described slip casting chamber internal injection, serosity is through described steel pipe
On slurry outlet inject the soil body formed slip casting enlarged footing.
Before carrying out slip casting, the outer pull-up structure of an assembled, described assembling are set between described steel pipe and described Grouting Pipe
The outer pull-up structure of formula by the ring flange being fixed on described outer wall of steel pipe and is fixed on the doughnut-shaped steel plate on described Grouting Pipe outer wall
Composition, it is fixed to be realized zip by some pull bars between described ring flange and described doughnut-shaped steel plate.
After completing slip casting, described elasticity adjusting mechanism stops extruding described rubber shrouding, makes described rubber shrouding and institute
Stating and become matched in clearance from interference fit between steel pipe inner wall, next the slip casting section in mobile described casting head to described steel pipe is high
Degree.
Described elasticity adjusting mechanism includes support platform, force transmission element and rotary compressing member, and described support platform is fixed
Being arranged at below the described rubber shrouding of bottom, described force transmission element is movably set in described in two between rubber shrouding, described rotation
Formula compressing member is arranged at above the described rubber shrouding on top.
Described support platform includes the sleeve pipe being coaxially fixedly installed with described Grouting Pipe and is positioned at described sleeve upper end face
Annular backing plate.
Described force transmission element includes that coaxial sleeve is located at the sleeve pipe in described Grouting Pipe and is positioned at described sleeve pipe upper/lower terminal face
On annular backing plate.
Described rotary compressing member includes backing plate and is positioned at the screwdown valve above described backing plate, and described screwdown valve is with described
Grouting Pipe outer wall is threaded engagement.
It is an advantage of the invention that simple in construction, Grouting Pipe and two rubber shroudings enclosing the slip casting cavity formed can edge
Steel pipe short transverse moves freely and carries out segmenting slip casting；Can freely control the expanded size of rubber shrouding, it is possible to prevent in slip casting
Time serosity leak outside and can bear higher grouting pressure under the auxiliary of the outer pull-up structure of assembled, and with steel pipe assembled even
Connect, install, dismantle convenient, recyclable.
Accompanying drawing explanation
Fig. 1 is middle tube body segmenting slip casting principle schematic of the present invention；
Fig. 2 is the body segmenting slip casting principle schematic in the present invention with the outer pull-up structure of assembled；
Fig. 3 is the A-A view in Fig. 2 of the present invention；
Fig. 4 is the B-B view in Fig. 2 of the present invention；
Fig. 5 is the schematic diagram that middle tube body segmenting slip casting structure of the present invention completes construction.
Detailed description of the invention
Inventive feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, with
It is easy to the understanding of technical staff of the same trade:
Such as Fig. 1-5, in figure labelling 1-23 be respectively as follows: Grouting Pipe 1, external screw thread 2, pressure valve 3, sleeve pipe 4, backing plate 5, rubber shrouding 6,
Outside backing plate 7, sleeve pipe 8, backing plate 9, steel pipe 10, slurry outlet 11, guard member 12, rubber shrouding 13, backing plate 14, sleeve pipe 15, assembled
Pull-up structure 16, doughnut-shaped steel plate 17, pull bar 18, ring flange 19, through hole 20, through hole 21, slip casting around pile enlarged footing 22, pile end grouting expand
Major part 23.
Embodiment 1: as shown in Figure 1,5, the present embodiment is specifically related to a kind of body segmenting slip casting method, in order at steel pipe 10
Interior priority completes applying of pile end grouting enlarged footing 23 and slip casting around pile enlarged footing 22, specifically includes following steps:
(1) as it is shown in figure 1, choose the steel pipe 10 that an end seal is closed, stake end uses closed pile top form to be beneficial to be pressed into the soil body
Among；By the pile top of steel pipe 10 down, the designated depth in the soil body of press-in construction site；If offering on the sidewall of steel pipe 10
Dry slurry outlet 11, slurry outlet 11 is distributed mainly at an end and two, stake side height and position, installs in the outside of slurry outlet 11
Protected part 12, to prevent the soil body from blocking slurry outlet 11；
(2) as it is shown in figure 1, shift to an earlier date prefabricated one on workshop or ground, construction site and be used for being arranged at the casting head in steel pipe 10,
The two rubber shroudings 6 and 13 that casting head is set in Grouting Pipe 1 by Grouting Pipe 1 and coaxial spaced certain distance form, at note
It is additionally provided with on slurry pipe 1 and can extrude the elasticity adjusting mechanism that rubber shrouding 6 and 13 expands simultaneously；Elasticity adjusting mechanism is revolved
Pine, so that the inwall of two rubber shroudings 6 and 13 and steel pipe 10 is matched in clearance, presses down described casting head to the end of steel pipe 10
End, within the slurry outlet 11 that 1 end tube wall of steel pipe is distributed is in the close range of two rubber shroudings 6 and 13；Treat described
Casting head in place after, spin down elasticity adjusting mechanism, two rubber shroudings 6 and 13 after by thrust to circumference occur swollen
Swollen, thus constitute interference fit with the inwall of steel pipe 10, two rubber shroudings 6 and 13 and steel pipe 10 inwall going along with sb. to guard him under composition
Slip casting cavity, and the position holding of slip casting cavity is fixing；
Wherein:
The leading section of Grouting Pipe 1 is closed, and offers slurry outlet on its tube wall between two rubber shroudings 6 and 13；Rubber
Shrouding 6 and rubber shrouding 13 coaxial package and are arranged in Grouting Pipe 1 the most at a certain distance；Two rubber shroudings 6 and 13 exist
Time under effect without thrust, its edge is matched in clearance with the inwall of steel pipe 10；And when two rubber shroudings 6 and 13 are compensating roller
Time under the thrust effect of mechanism, two rubber shroudings 6 and 13 circumferentially expand thus are interference fit with the inwall of steel pipe 10, shape
Become the slip casting cavity closed；
Elasticity adjusting mechanism is made up of, wherein: (a) the support platform arranged from bottom to top, force transmission element and rotary compressing member
Support platform is fixedly installed on the lower section of rubber shrouding 13, including the sleeve pipe 15 fixing with Grouting Pipe 1 coaxial welding and be positioned at
The annular backing plate 14 of sleeve pipe 15 upper surface, backing plate 14 contacts with the lower surface of rubber shrouding 13 thus provides to rubber shrouding 13
Support force upwards；B () force transmission element movable is arranged between two rubber shroudings 6 and 13, be located at Grouting Pipe 1 including coaxial sleeve
On sleeve pipe 8 and lay respectively at the backing plate 7 and 9 in sleeve pipe 8 both ends of the surface, the length of sleeve pipe 8 is according to slip casting cavity Len req
Determine, it should be noted that in order to not stop the slurry outlet in Grouting Pipe 1, sleeve pipe 8 uses framework to construct；(c) rotary compression
Part is arranged at the top of rubber shrouding 6, including pressure valve 3, sleeve pipe 4 and backing plate 5, has one section on the outer wall of Grouting Pipe 1
External screw thread 2, pressure valve 3 has the female thread suitable with aforementioned external screw thread 2, thus constitutes threaded engagement with Grouting Pipe 1 and be connected,
Sleeve pipe 4 and backing plate 5 are all the most sheathed with Grouting Pipe 1 movable, and pressure valve 3 can produce compression during being rotated down
Power
(3) as shown in Figure 1,5, the upper port of Grouting Pipe 1 is connected outside grouting equipment, open outside grouting equipment to Grouting Pipe
1 inner high voltage slip casting, serosity slurry outlet in Grouting Pipe 1 is spurted into and is enclosed, by two rubber shroudings 6 and 13, the slip casting chamber constituted
In body, rear slurry spread in the outside soil body by the slurry outlet 11 on steel pipe 10, thus form stake in the end of steel pipe 10
End slip casting enlarged footing 23；
(4) as shown in Figure 1,5, after the construction of pile end grouting enlarged footing 23 to be done, pressure valve 3 is upwards unscrewed, so that two rubbers
Glue shrouding 6 and 13 external diameter resilience, recovers the clearance fit relationship between steel pipe 10 inwall；Upwards lifting Grouting Pipe 1 to stake side
Slip casting fragment position, the slurry outlet 11 that 10 side pipe walls of steel pipe are distributed be in two rubber shroudings 6 and 13 close range it
In；After Grouting Pipe 1 is the most in place, pressure valve 3 is spinned down again, two rubber shroudings 6 and 13 after by thrust to
Circumference expands, thus constitutes interference fit with the inwall of steel pipe 10, and the Grouting Pipe 1 position in steel pipe 10 keeps fixing；
(5) outside grouting equipment as shown in Figure 1,5, is opened to Grouting Pipe 1 inner high voltage slip casting, serosity pulp in Grouting Pipe 1
Hole is spurted into and is enclosed in the slip casting cavity constituted by two rubber shroudings 6 and 13, rear slurry by the slurry outlet on steel pipe 10
11 spread in the outside soil body, thus form slip casting around pile enlarged footing 22 at the middle part of steel pipe 10；
(6) as shown in Figure 1,5, after the construction of slip casting around pile enlarged footing 22 to be done, pressure valve 3 is upwards unscrewed, so that two rubbers
Glue shrouding 6 and 13 external diameter resilience, recover and steel pipe 10 inwall between clearance fit relationship, the most upwards lifting Grouting Pipe 1 from
Open steel pipe 10 and complete construction.
Embodiment 2: as shown in Figure 2-5, the present embodiment is specifically related to one and utilizes the outer pull-up structure of assembled to carry out body segmentation note
Slurry method, this segmenting slip casting method is with the difference of segmenting slip casting method in embodiment 1: treat two rubber shroudings 6 and
After 13 are produced, by thrust, the inwall composition interference fit expanded with steel pipe 10, between steel pipe 10 and Grouting Pipe, arrange one
The outer pull-up structure of assembled, thus the position fixing Grouting Pipe 1 further prevents its situation about being shifted over during slip casting.
As in Figure 2-4, the outer pull-up structure of this assembled is used for fixing Grouting Pipe 1 and two rubber shroudings 6 and 13 thereon
Position, including the ring flange 19 being fixed on steel pipe 10 outer wall and the doughnut-shaped steel plate 17 being fixedly welded in Grouting Pipe 1, two
It is fixed to realize zip through some pull bars 18 between person, wherein: ring flange 19 coaxial welding is fixed in the outside wall surface of steel pipe 10, when
Can also be so by two semicircle ring flanges to spell banding in the outside wall surface of steel pipe 10, the outer ring of ring flange 19 interval offer
There are some through hole 20 wearing for pull bar 18；Doughnut-shaped steel plate 17 is fixedly welded on the portion outside Grouting Pipe 1 exposes to steel pipe 10
On Fen, its external diameter and through hole 21 set on it and the external diameter of ring flange 19 and through hole 20 one_to_one corresponding, by by pull bar
18 run through through hole 20 and through hole 21 and through nut screwing clamping locking thus realize the locking between doughnut-shaped steel plate 17 and ring flange 19
Fixing, the outer drawing mechanism of this assembled spacing under, Grouting Pipe 1 and two rubber shroudings 6 and 13 are equal when bearing high-pressure slip-casting
Will not be shifted over.
In the present embodiment, remaining step of segmenting slip casting method is all same as described in embodiment 1, therefore does not repeats them here.
Claims (7)
1. a body segmenting slip casting method, it is characterised in that described segmenting slip casting method comprises the steps: that choosing has
The steel pipe of some slurry outlets, by described steel pipe press-in to the soil body；A casting head, described slip casting is inserted afterwards in described steel pipe
The two rubber shroudings that head is located in described Grouting Pipe by Grouting Pipe and the spacer sleeve of side-wall hole form, and seal at rubber described in two
Composition slip casting cavity under the enclosing of plate and described steel pipe inner wall, wherein, described rubber shrouding and institute under without thrust effect
Stating steel pipe inner wall is matched in clearance；Extrude rubber shrouding described in two by the elasticity adjusting mechanism on described casting head and occur swollen
Swollen, being interference fit with described steel pipe inner wall；By described Grouting Pipe to described slip casting chamber internal injection, serosity is through described steel
Slurry outlet on pipe injects the soil body and forms slip casting enlarged footing.
A kind of body segmenting slip casting method the most according to claim 1, it is characterised in that before carrying out slip casting, at described steel
Arranging the outer pull-up structure of an assembled between pipe and described Grouting Pipe, the outer pull-up structure of described assembled is by being fixed on described outer wall of steel pipe
On ring flange and the doughnut-shaped steel plate composition that is fixed on described Grouting Pipe outer wall, described ring flange and described doughnut-shaped steel plate it
Between realized zip by some pull bars fixed.
A kind of body segmenting slip casting method the most according to claim 1, it is characterised in that after completing slip casting, described degree of tightness
Governor motion stops extruding described rubber shrouding, makes between described rubber shrouding and described steel pipe inner wall between interference fit becomes
Gap coordinates, next the slip casting section height in mobile described casting head to described steel pipe.
A kind of body segmenting slip casting method the most according to claim 1, it is characterised in that described elasticity adjusting mechanism includes
Support platform, force transmission element and rotary compressing member, described support platform is fixedly installed on below the described rubber shrouding of bottom,
Described force transmission element is movably set in described in two between rubber shrouding, and described rotary compressing member is arranged at the described rubber envelope on top
Above plate.
A kind of body segmenting slip casting method the most according to claim 4, it is characterised in that described support platform includes and institute
State the sleeve pipe that Grouting Pipe is coaxially fixedly installed and the annular backing plate being positioned at described sleeve upper end face.
A kind of body segmenting slip casting method the most according to claim 4, it is characterised in that described force transmission element includes coaxial sleeve
It is located at the sleeve pipe in described Grouting Pipe and is positioned at the annular backing plate on described sleeve pipe upper/lower terminal face.
A kind of body segmenting slip casting method the most according to claim 4, it is characterised in that described rotary compressing member includes
Backing plate and be positioned at the screwdown valve above described backing plate, described screwdown valve and described Grouting Pipe outer wall are threaded engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533148.0A CN106193044B (en) | 2016-07-08 | 2016-07-08 | A kind of tube body segmenting slip casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533148.0A CN106193044B (en) | 2016-07-08 | 2016-07-08 | A kind of tube body segmenting slip casting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106193044A true CN106193044A (en) | 2016-12-07 |
| CN106193044B CN106193044B (en) | 2018-11-30 |
Family
ID=57472669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610533148.0A Active CN106193044B (en) | 2016-07-08 | 2016-07-08 | A kind of tube body segmenting slip casting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106193044B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023302A (en) * | 2017-05-26 | 2017-08-08 | 华东交通大学 | A kind of micro-disturbance advanced tubule device and its application method |
| CN111021333A (en) * | 2019-12-25 | 2020-04-17 | 西南交通大学 | Spiral steel pile for segmented pressure grouting and grouting process thereof |
| CN112982368A (en) * | 2021-02-02 | 2021-06-18 | 中铁工程设计咨询集团有限公司 | Underpass railway roadbed grouting device and grouting method thereof |
| CN113062318A (en) * | 2021-04-29 | 2021-07-02 | 上海长凯岩土工程有限公司 | Inclined strut steel pipe top locking type remote constraint bin grouting device and construction method thereof |
| CN113152457A (en) * | 2021-04-29 | 2021-07-23 | 上海长凯岩土工程有限公司 | Inclined strut steel pipe multi-section type remote restraint bin grouting device and construction method thereof |
| CN113373931A (en) * | 2021-06-18 | 2021-09-10 | 南京东土建设科技有限公司 | Grouting device with independently controlled upper end and lower end |
| CN114542797A (en) * | 2022-01-26 | 2022-05-27 | 中铁十四局集团隧道工程有限公司 | Lining sleeve pipe growth reinforcing device and method used in pipe curtain jacking meeting resistance |
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| CN1485505A (en) * | 2003-08-29 | 2004-03-31 | 北京市城市建设工程研究院 | Slip casting lattice pipe with double plug and construction process |
| US20080193225A1 (en) * | 2007-02-14 | 2008-08-14 | Cesare Melegari | Equipment and method for constructing micropiles in soil, in particular for the anchorage of active anchors |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107023302A (en) * | 2017-05-26 | 2017-08-08 | 华东交通大学 | A kind of micro-disturbance advanced tubule device and its application method |
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| CN111021333A (en) * | 2019-12-25 | 2020-04-17 | 西南交通大学 | Spiral steel pile for segmented pressure grouting and grouting process thereof |
| CN112982368A (en) * | 2021-02-02 | 2021-06-18 | 中铁工程设计咨询集团有限公司 | Underpass railway roadbed grouting device and grouting method thereof |
| CN112982368B (en) * | 2021-02-02 | 2022-04-19 | 中铁工程设计咨询集团有限公司 | Underpass railway roadbed grouting device and grouting method thereof |
| CN113062318A (en) * | 2021-04-29 | 2021-07-02 | 上海长凯岩土工程有限公司 | Inclined strut steel pipe top locking type remote constraint bin grouting device and construction method thereof |
| CN113152457A (en) * | 2021-04-29 | 2021-07-23 | 上海长凯岩土工程有限公司 | Inclined strut steel pipe multi-section type remote restraint bin grouting device and construction method thereof |
| CN113152457B (en) * | 2021-04-29 | 2024-05-28 | 上海长凯岩土工程有限公司 | Inclined strut steel pipe multi-section type remote constraint bin grouting device and construction method thereof |
| CN113373931A (en) * | 2021-06-18 | 2021-09-10 | 南京东土建设科技有限公司 | Grouting device with independently controlled upper end and lower end |
| CN114542797A (en) * | 2022-01-26 | 2022-05-27 | 中铁十四局集团隧道工程有限公司 | Lining sleeve pipe growth reinforcing device and method used in pipe curtain jacking meeting resistance |
| CN114542797B (en) * | 2022-01-26 | 2022-10-18 | 中铁十四局集团隧道工程有限公司 | Lining sleeve pipe growth reinforcing device and method used in pipe curtain jacking meeting resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106193044B (en) | 2018-11-30 |
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Denomination of invention: A segmented grouting method for pipe body Effective date of registration: 20231115 Granted publication date: 20181130 Pledgee: Bank of Shanghai Limited by Share Ltd North Branch Pledgor: SHANGHAI CHANGKAI GEOTECHNICAL ENGINEERING Co.,Ltd. Registration number: Y2023310000742 |
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